Academic literature on the topic 'Castle Of Dragon'
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Journal articles on the topic "Castle Of Dragon"
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Spisak, April. "Dragon Castle (review)." Bulletin of the Center for Children's Books 65, no. 1 (2011): 11–12. http://dx.doi.org/10.1353/bcc.2011.0559.
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Waskerbarth, Suzi. "In a Nutshell: Bechtel Scholar Studies Chapbooks, Sendak." Children and Libraries 13, no. 1 (March 23, 2015): 3. http://dx.doi.org/10.5860/cal.13n1.03.
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These are the words we sigh after, picturing the princess in the castle, the prince vanquishing the dragon, the child, quiet, sound asleep. Quiet seems to be a theme in books of manners for children, I’ve found. Chew your food with your mouth closed (quietly). Sit next to your sister (quietly) without biting her. Do not speak (be quiet) until spoken to, and when you do speak, speak quietly.
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Benešovská, Klára. "St George the Dragon-slayer at Prague Castle - the Eternal Pilgrim without a Home?" Umění / Art LV, no. 1 (January 1, 2007): 28–39. http://dx.doi.org/10.2478/v10008-007-0002-4.
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Powers, Korine. "Hannibal Lecter as Avenging War Orphan in Thomas Harris’s Hannibal Rising." Twentieth-Century Literature 66, no. 1 (March 1, 2020): 125–46. http://dx.doi.org/10.1215/0041462x-8196740.
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Beginning with Red Dragon (1981), horror icon Hannibal Lecter thrilled audiences as the ultimate unreadable reader, consuming minds and bodies behind the polished veneer of aristocratic taste and psychological expertise. Yet by the end of the twentieth century, Lecter had shifted from monster to hero. This article argues that Thomas Harris’s prequel novel, Hannibal Rising (2006), makes Lecter more palatable by portraying his serial murders as an act of vengeance against a postwar society that allowed war criminals to rejoin the consumer milieu. Hannibal Rising uses graphic depictions of the atrocities of the Second World War—including freezing, starvation, immolation, and enslavement—to mitigate Lecter’s cannibalistic classism and restore his humanity. Lecter is rendered mute by the trauma of consuming his sister, the patrician Lecter Castle becomes a Soviet orphanage, and Lecter’s eventual victims are war criminals who have reintegrated into society across the Western world. In return, Hannibal Rising’s readers are asked to project the specter of Lecter’s trauma and these war criminals’ violence onto all of Lecter’s victims. No act of cannibalism, Hannibal Rising suggests, is more monstrous than the war crimes and subsequent Allied apathy that Hannibal fights and bites against.
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Moore, R. I. "Anti-Semitism and the Birth of Europe." Studies in Church History 29 (1992): 33–57. http://dx.doi.org/10.1017/s0424208400011207.
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In August 1976 the remains of a substantial building were uncovered in the courtyard of the Palais de Justice at Rouen, by the street which has been called at least since 1116 the rue aux Juifs (see plate I). That it was a Jewish building is confirmed by the Hebrew graffiti on its interior walls. It can be dated firmly to the years around 1100 by its scale, style, and workmanship, which are strongly reminiscent of the so-called ‘Norman exchequer’ in the ducal castle at Caen. The quality of its masonry is as good as may be found anywhere in northern Europe at this time. The function of the building is not altogether certain. At 14.14 X 9.46 metres, with at least one storey above the ground floor, it seems too large for a private dwelling, and indeed it is bigger than any known synagogue of this date north of the Alps. Not only the graffiti, but the lions of Judah finely carved at the base of one column, and the dragon from Psalm 91 on another, strongly suggest a religious purpose. The synagogue was on this street, but it is usually thought to have been on the south side, opposite the Palais de Justice site. This has led Norman Golb, the author of a major study of the Jewish community at Rouen, to suggest that the building unveiled in 1976 was a school, which acted as a centre of advanced study, not only for the Jewry of Rouen, but for a much larger region in which educational and scholarly activity is attested throughout the twelfth century by a rich crop of surviving manuscripts and other references, including many from places like Pont-Audemer, Touques, Falaise, Evreux, and Coutances, which were by no means major urban centres at this time.
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Osberg, Richard H. "The Goldsmiths' “Chastell” of 1377." Theatre Survey 27, no. 1-2 (November 1986): 1–15. http://dx.doi.org/10.1017/s0040557400008772.
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Among the many devices of the pageant carpenter's art, including the Trees of Jesse, mountains “inuironed with red roses and white,” thrones of justice, dragons, and fonts, the castle had become, at least by the mid-fifteenth century, practically a cliché. Its origins as a pageant structure, however, have yet to be satisfactorily explained, and its iconography is still open to interpretation. Theatre historians have long been interested in the “castle” pageant that the Goldsmiths' guild organized for the coronation of Richard II because it is the first English civic pageant for which any detailed description survives. The nineteenth-century antiquary, William Herbert, believed there to be no record of the “castle” pageant in the Company's own books, however, and following this lead, Robert Withington, the great compiler of pageant history, so reports the matter.
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Hulick, Jeannette. "Dragons at Crumbling Castle and Other Tales by Terry Pratchett." Bulletin of the Center for Children's Books 68, no. 9 (2015): 464. http://dx.doi.org/10.1353/bcc.2015.0387.
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Skoric, M., V. Mrlik, J. Svobodova, V. Beran, M. Slany, P. Fictum, J. Pokorny, and I. Pavlik. " Infection in a female Komodo dragon (Varanus komodoensis) caused by Mycobacterium intracellulare: a case report." Veterinární Medicína 57, No. 3 (April 4, 2012): 163–68. http://dx.doi.org/10.17221/5857-vetmed.
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In early 2002, a bean-like whitish nodule 2 × 1 × 1 cm in size was diagnosed on the tongue of a female Komodo dragon (Varanus komodoensis) kept in a zoological garden in the Czech Republic. The nodule was removed at surgery and histopathological examination revealed a specific granulomatous inflammation. The granuloma contained a necrotic mass surrounded by a variable layer of palisading epithelioid macrophages and multinucleated giant cells with a variable admixture of lymphocytes and plasma cells. Signs of mineralisation within the granuloma were not observed. Using Ziehl-Neelsen (ZN) staining the presence of acid-fast rods (AFR) was determined and the presence of mycobacteria was confirmed by PCR. Four years later, this female died after multiple injuries caused by a male during mating. Necropsy and histopathological examinations revealed granulomatous pneumonia and myocarditis with ZN-positive AFR within granulomas. Mycobacteria were cultured from 13 of 19 tissue samples: Mycobacterium intracellulare was confirmed by sequencing of isolates from multiple affected organs including the respiratory tract, tail muscle, inguinal lymph nodes and blood; Mycobacterium sp. were also isolated from the tongue. In addition, mycobacteria were detected in 15 (46.9%) of 32 environmental samples examined in both years. M. intracellulare was detected in water sediment from the female’s terrarium in 2002, and in faeces and peat from the terrarium and in water sediment from the male terrarium in 2006. Except for M. intracellulare (n = 4), M. smegmatis (n = 1), M. a. hominissuis (n = 3), M. fortuitum (n = 2), M. interjectum (n = 1), M. peregrinum/alvei/septicum (n = 1) and Mycobacterium sp. (n = 2) were also isolated from different environmental samples.
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Anwer Salih, Ari, and Ari Sami Hussain Nadhim. "BURR-HOLE DRAINAGE WITH DRAIN VERSUS BURR-HOLE DRAINAGE WITH DRAIN AND IRRIGATION IN TREATING CHRONIC SUBDURAL HEMATOMA: A CASE-CONTROL STUDY." Journal of Sulaimani Medical College 10, no. 2 (September 21, 2020): 181–86. http://dx.doi.org/10.17656/jsmc.10255.
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Lestari, Sri. "ROTAN JERNANG SEBAGAI PENOPANG KEHIDUPAN MASYARAKAT: KASUS KABUPATEN MUARA ENIM, PROVINSI SUMATERA SELATAN." Jurnal Penelitian Sosial dan Ekonomi Kehutanan 14, no. 3 (December 15, 2017): 191–203. http://dx.doi.org/10.20886/jpsek.2017.14.3.191-203.
Full textDissertations / Theses on the topic "Castle Of Dragon"
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Young, Chi-Hung, and 楊紀宏. "Investment Feasibility Analysis on Vietnam's Themed Educational Indoor Playing Castle: A Case Study of Tom Dragon." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/51625144961628151550.
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碩士國立高雄大學
國際高階經營管理碩士在職專班(IEMBA)
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The present paper is to conduct an investment feasibility analysis in Vietnam for Tom Dragon Ltd., Taiwan that has more than 12 year experience in historical child theme. Since 1986, Vietnam has reformed the economy, established the open policy, and developed the law for a reward to attract foreign investment, which therefore results in international capital entering into Vietnam. Until September, 2008 Taiwan becomes the largest Vietnamese foreign capital investment country. The total investment capital reaches as high as 19.5 billion and 1,523 ten thousand US dollars. The industries they develop mainly are ready-made clothing textile industry, shoe industry, food processing industry, rubber product industry, wooden furniture industry, primarily. However, investment in child theme park is not found. It is realized that any enterprise to the overseas investment should consider the social culture, the custom public sentiment, the politics, the investment reward favorable condition, and related investment law. This study presents a qualitative research for investment feasibility in Vietnam via an interview of Tom Dragon ltd. Co. The SWOT analysis is used to derive the research findings. Research implications are also addressed.
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Dilip, D. "Maintaining Underwater Cassie State for Sustained Drag Reduction in Channel Flow." Thesis, 2016. http://hdl.handle.net/2005/3157.
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Water droplets tend to bead up on rough or textured hydrophobic surfaces by trapping air on the crevices underneath resulting in “Cassie” state of wetting. When a textured hydrophobic surface is immersed in water, the resulting underwater “Cassie” state can lead to significant drag reduction. The entrapped air pockets act as shear free regions and the composite interface consisting of alternate no slip and no shear regions thus formed can deliver substantial drag reduction during flow. The magnitude of drag reduction depends not only on the fractional coverage of air on the surface, but also on the size of the air pockets, with larger sized air pockets facilitating larger drag reduction.
It is a common observance that Lotus leaf when kept immersed in water for a few minutes loses its water repellency due to the loss of entrapped air on the surface. Underwater Cassie state on textured hydrophobic surfaces is also not sustainable because of the depletion of air pockets caused by the diffusion of trapped air into water. This causes the drag reduction to diminish with time. Rate of diffusion of air across the water–air interface depends on the concentration gradient of air across the interface. Under flow conditions, removal of entrapped air is further enhanced by convection, leading to more rapid shrinkage of the air pockets. In order to sustain the Cassie state, it is thus necessary to continuously supply air to these air pockets. In this work, we explore the possibility of supplying air to the cavities on the textured surface inside a microchannel by controlling the solubility of air in water close to the surface. The solubility is varied by i) Controlling the absolute pressure inside the channel and ii) Localized heating of the surface
To trap uniform air pockets, a textured surface containing a regular array of blind holes is used. The textured surface is generated by photo etching of brass and is rendered hydrophobic through a self-assembled monolayer. The sustainability of the
underwater Cassie state of wetting on the surface is studied at various flow conditions. The air trapped on the textured surface is visualized using total internal reflection based technique, with the pressure drop (or drag) being simultaneously measured.
Water which is initially saturated with air at atmospheric conditions, when subjected to sub-atmospheric pressures within the channel becomes supersaturated causing the air bubbles to grow in size. Further growth causes the bubbles to merge and eventually detach from the surface. The growth and subsequent merging of the air bubbles leads to a substantial increase in the pressure drop because as the air pockets grow in size, they project into the flow and start obstructing the flow. On the other hand, a pressure above the atmospheric pressure within the channel makes the water undersaturated with air, leading to gradual shrinkage and eventual disappearance of air bubbles. In this case, the air bubbles do cause reduction in the pressure drop with the minimum pressure drop (or maximum drag reduction) occurring when the bubbles are flush with the surface. The rate of growth or decay of air bubbles is found to be significantly dependent on the absolute pressure in the channel. Hence by carefully controlling the absolute pressure, the Cassie state of wetting can be sustained for extended periods of time. A drag reduction of up to 15% was achieved and sustained for a period of over 5 hours.
Temperature of water also influences the solubility of air in water with higher temperatures resulting in reduced solubility. Thus locally heating the textured hydrophobic surface causes the air bubbles to grow, with the rate of growth being dependent on the heat input. The effect of trapped air bubbles on thermal transport is also determined by measuring the heat transfer rate through the surface in the presence and absence of trapped air bubbles. Even though the trapped air bubbles do cause a reduction in the heat transfer coefficient by about 10%, a large pressure drop reduction of up to 15% obtained during the experiments helps in circumventing this disadvantage. Hence for the same pressure drop across the channel, the textured hydrophobic surface helps to augment the heat transfer rate.
The experiments show that, by varying the solubility of air in water either by controlling the pressure or by local heating, underwater Cassie state of wetting can be sustained on textured hydrophobic surfaces, thus delivering up to 15% drag reduction in both cases for extended periods of time. The results obtained hold important implications towards achieving sustained drag reduction in microfluidic applications.
Books on the topic "Castle Of Dragon"
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Eric, Braun. Lance Dragon defends his castle with simple machines. North Mankato, MN: Picture Window Books, 2013.
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Eric, Braun. Lance Dragon defends his castle with simple machines. North Mankato, MN: Picture Window Books, 2013.
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Glaz, Kazimir. Smok wawelski: The Wawel castle dragon or Indo-European origin of sensybilism. Toronto: Toronto Center for Contemporary Art, 2006.
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Fitzgerald, Ruby. Harmonies of War: the Guide. Chicago, IL: Soldier Bear Entertainment, 2016.
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ill, Lippincott Gary A., and Copyright Paperback Collection (Library of Congress), eds. Castle beneath the sea. Los Angeles, CA: Price Stern Sloan, 1990.
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Alexander, Barbara. A furnace for Castle Thistlewart. San Diego, Calif: Oak Tree Publications, 1985.
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1975-, Lawrence Jack, Campbell Jim 1977-, and Digikore Studios, eds. Dragons: Riders of Berk : The ice castle. London: Titan Books Limited, 2015.
Find full textBook chapters on the topic "Castle Of Dragon"
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Banerjee, Ian, Peraphan Jittrapirom, and Jens S. Dangschat. "Data-driven urbanism, digital platforms, and the planning of MaaS in times of deep uncertainty: What does it mean for CAVs?" In AVENUE21. Politische und planerische Aspekte der automatisierten Mobilität, 441–70. Berlin, Heidelberg: Springer Berlin Heidelberg, 2021. http://dx.doi.org/10.1007/978-3-662-63354-0_20.
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ZusammenfassungThis paper offers a critical review of three coevolving socio-technical paradigms: (a) “data-driven urbanism,” (b) digital platforms, and (c) “Mobility-as-a-Service” (MaaS). It explores the complex relationship unfolding between data-driven cities and digital platforms, while drawing on MaaS as a case to discuss the challenges of implementing mobility services via digital platforms. Inferences are drawn from the ongoing debate accompanying these three paradigms to identify potential criteria for the design of socially accountable governance models for the deployment of connected and automated vehicles (CAVs).
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Archer, Melenie, Dawn A. Morley, and Jean-Baptiste R. G. Souppez. "Real World Learning and Authentic Assessment." In Applied Pedagogies for Higher Education, 323–41. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-46951-1_14.
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Abstract Archer, Morley and Souppez critique the value of building authentic assessment to reflect better a real world learning approach that prepares students more explicitly for employment after graduation. The two case studies within this chapter are drawn from the different disciplines of festival and event management and yacht design; both aim to prepare students for their respective industries from the onset of their degree programmes. The case studies present how the use of well-managed pedagogic strategies, such as peer review and assessment, reflective practice and the use of formative feedback, can prepare students successfully for authentic and high-risk summative assessments. The authors argue for a learning and teaching approach that emphasises sequential, real world assessment that focuses on student longitudinal development.
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Benfield, Richard W. "The effect of the coronavirus on garden tourism." In New directions in garden tourism, 169–80. Wallingford: CABI, 2021. http://dx.doi.org/10.1079/9781789241761.0169.
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Abstract This chapter is essentially a postscript written as the effects of COVID-19 changed, so dramatically, the nature of garden operation and visitation. Much of the impact is drawn from the American Public Gardens Association (APGA) surveys of its member gardens in March (the immediate effects) and April 2020 (the results of the closure on revenue, staffing, and programs). In the final paragraphs the measures being taken to permit a (partial) reopening and the effects of the partial opening are examined. A case study is presented of Longwood Gardens, Kennett Square, Pennsylvania, USA, after COVID-19.
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Benfield, Richard W. "The effect of the coronavirus on garden tourism." In New directions in garden tourism, 169–80. Wallingford: CABI, 2021. http://dx.doi.org/10.1079/9781789241761.0012.
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Abstract This chapter is essentially a postscript written as the effects of COVID-19 changed, so dramatically, the nature of garden operation and visitation. Much of the impact is drawn from the American Public Gardens Association (APGA) surveys of its member gardens in March (the immediate effects) and April 2020 (the results of the closure on revenue, staffing, and programs). In the final paragraphs the measures being taken to permit a (partial) reopening and the effects of the partial opening are examined. A case study is presented of Longwood Gardens, Kennett Square, Pennsylvania, USA, after COVID-19.
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Anderson, E. N. "Feng-shui: Ideology and Ecology." In Ecologies of the Heart. Oxford University Press, 1996. http://dx.doi.org/10.1093/oso/9780195090109.003.0006.
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My first direct encounter with feng-shui came soon after I arrived in Hong Kong in 1965. A new hospital was being built on a hill overlooking Castle Peak Bay, where my family and I lived. The hospital foundations cut deep into the slope. Several old peasants told me, “This is very bad; the construction has cut the dragon’s pulse.” I learned that the hill had a dragon in it, whose blood circulation had been cut by the foundation trench. This seemed strange to me. I noted it down as a fascinating local belief, and thought no more of it. Soon afterward, a typhoon dumped two feet of rain on Hong Kong within a few days. The oversteepened, undercut slope failed, and a torrent of mud descended, washing out the hospital foundations and burying a house or two at the hill foot. “See?” said my friends. “This is what happens when you cut the dragon’s pulse.” A light went on in my head. The Chinese peasants, pragmatic to the core, had described the phenomenon in terms strange to me; but the phenomenon they described was perfectly real. I reflected that the geologists’ terms “oversteepening” and “slope failure” were not much more empirically verifiable than the dragon. Any Chinese peasant would find them even stranger than I had found that eminent serpent, since I had already learned from reading that ancient Chinese saw dragons in the scaly, ridged contours of mountain ranges. As time went on, I learned that I had found more than a different way of talking about obvious facts. Chinese site planning seemed more and more rational. I learned that villages protected the groves of trees that ringed them, because trees attract good influences and also provide shade, firewood, fruit, leafmold, timber, and other goods. I learned that roads to villages were made crooked to discourage evil beings—and that the evil beings included not only demons but also soldiers, government officials, and (other) bandits.
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Nicolson, Ken. "Dragon Garden." In Landscapes Lost and Found. Hong Kong University Press, 2016. http://dx.doi.org/10.5790/hongkong/9789622093393.003.0003.
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Case study 2: Dragon Garden is a designed cultural landscape that is still largely intact and serves as a valuable counterpoint to the loss of Tiger Balm Garden. The garden was owned and designed by Lee Iu-cheung, a philanthropic businessman who based the layout on fung shui principles as well as sustainable construction techniques which were advanced for their time. The garden was integrated sensitively into the surrounding landscape, incorporating stream courses and ornamental pools. It became known for its iconic dragon motifs, sculptures, seasonal floral displays, and being featured in the Bond movie The Man with the Golden Gun. Despite being sold to a developer, the garden was saved by the timely intervention by a descendent of the founder who recognised the heritage value of the site. Subsequent detailed study of the garden design has revealed subtle layers of meaning and symbolism that had previously been overlooked.
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Ogden, Daniel. "The Etiquette of the Saintly Dragon Fight (ii)." In The Dragon in the West, 233–59. Oxford University Press, 2021. http://dx.doi.org/10.1093/oso/9780198830184.003.0008.
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A number of recurring sets of motifs of an elaborate kind and with a degree of independence from the principal narrative course (charted in Chapter 6) are documented and analysed here: the dragon and its great brood of serpents; the sacrifice of virgins to the dragon; the attempt to compel the saint to make sacrifice before an idol inhabited by a dragon; the saint’s revival of the boy that had been the dragon’s last victim; the sending of dragons back against the magicians that had unleashed them; and female dragon-fighting saints. Consideration is also given to some matters of ‘meta-narrative’ interest, namely the impact of the attribution of multiple dragon-fights to a single saint (e.g. Silvester and Fronto) and, more intriguingly, the impact of the attribution of fights against what is effectively the same dragon to different saints, as most notably in the case of the Dragon of Rome.
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Ogden, Daniel. "To the River and Back." In The Dragon in the West, 332–71. Oxford University Press, 2021. http://dx.doi.org/10.1093/oso/9780198830184.003.0012.
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An idealized principal narrative course is reconstructed for the medieval Germanic dragon fight. The motifs reviewed include: the transformation of a man into a dragon whilst lying on treasure; the generation of a dragon from a corpse; the development of a tiny worm into a vast dragon; the offering of a princess’s hand to a champion; the champion’s protective clothing; his ambushing of the dragon between its cave-lair and a water-source; the dragon’s uniquely vulnerable spot; the champion’s named sword; the special properties of the dragon’s blood. A pair of recurring narrative subroutines are also investigated: in one the champion intervenes on a lion’s behalf upon coming across it engaged in a fight with a dragon, and after killing the dragon has lifelong loyal pet in the lion; in the other the champion is cast into a snake pit, with varying outcomes.
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Dresvina, Juliana. "The significance of the demonic episode in the legend of St Margaret." In A Maid with a Dragon. British Academy, 2016. http://dx.doi.org/10.5871/bacad/9780197265963.003.0011.
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Chapter 11 focuses on St Margaret’s encounter with the dragon and the black demon. It argues that the saint’s conversation with the black demon, in which Margaret is tempted with arcane knowledge and then casts out the devil, is an act of exorcism influenced by the early Judaeo-Christian writings such as the Testament of Solomon or Questions of Bartholomew. Margaret’s role as an exorcist connects her with King Solomon who was also believed to be efficient against the demons harming expectant mothers and newborn children. This, and not her miraculous ‘birth’ from the dragon, may have initially made her specialise in protecting women in labour – the specialisation that later made Margaret the patron saint of childbirth.
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Ogden, Daniel. "Worms (Still) and Wyverns." In The Dragon in the West, 309–31. Oxford University Press, 2021. http://dx.doi.org/10.1093/oso/9780198830184.003.0011.
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What was the form of the dragon in the medieval Germanic world? The ancient Germanic dragon was probably ever a simple worm in form, doubtless a fiery one, as the classical dragon had been, and as indeed the Indo-European dragon had been. The exciting new format of the winged dragon of Christian-Latin culture was embraced avidly and was often substituted into established dragon-fight tales, as we see in the case of Anglo-Saxon Beowulf and in those of many Norse examples. But it is a testament to the force of the established story-type that on occasion this substitution had to remain superficial and cosmetic, with the new winged creatures remaining strangely flightless in their featured fights.
Conference papers on the topic "Castle Of Dragon"
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Sinha, A. K., V. G. Havanagi, and S. Mathur. "Settlement of Soft Clays with Prefabricated Vertical Drain." In International Symposium on Ground Improvement Technologies and Case Histories. Singapore: Research Publishing Services, 2009. http://dx.doi.org/10.3850/gi154.
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Otsushi, Kazutaka, Tomoo Kato, Takashi Hara, Atsushi Yashima, Yu Otake, Kazuhiko Sakanashi, and Ayumi Honda. "Study on a Liquefaction Countermeasure for Flume Structure by Sheet-Pile with Drain." In International Symposium on Ground Improvement Technologies and Case Histories. Singapore: Research Publishing Services, 2009. http://dx.doi.org/10.3850/gi123.
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Sheikh, Bahman, and Tong Qiu. "Velocity and Drag Force Distribution of Fluid Flow in Mono- and Binary-Sized Particulate Porous Media." In Eighth International Conference on Case Histories in Geotechnical Engineering. Reston, VA: American Society of Civil Engineers, 2019. http://dx.doi.org/10.1061/9780784482148.009.
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Cerantola, D. J., M. S. Zawislak, and A. M. Birk. "Reducing Nacelle Pressure Drag." In ASME Turbo Expo 2017: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/gt2017-63978.
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Decreasing drag on aircraft components was beneficial towards improving fuel economy and operational range. A generic axisymmetric nacelle-strut configuration typical of those housing fuselage-mounted engines was evaluated at a Reynolds number of 6 × 105 based on the nacelle maximum diameter d = 26.5 cm and an angle of attack of 20 deg. It was estimated that drag could be reduced by 20%. Three case studies were evaluated that added a fillet to the nacelle-strut corner, vortex generating triangular tabs, and flow-path obstructing vanes to improve flow control by reducing suction-side separation. Experimental results showed that a 0.11 d radius of curvature fillet reduced drag by 8% with respect to the baseline case. Numerical results employing the realizable k-ε turbulence model with wall functions predicted no improvements with the tabs and an 8% reduction with the vanes.
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Geng, Jihui, William Lowry, and Kelly Thomas. "Drag Loads From Vapor Cloud Explosions." In ASME 2018 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/pvp2018-84307.
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Drag loads due to the gas flows generated by vapor cloud explosions (VCEs) can damage piping and vessels, particularly near or in the flammable cloud. There is little guidance available to the piping and vessel designer regarding the magnitude of such drag loads, beyond evaluating drag loads on a case-by-case basis [e.g., using computational fluid dynamics (CFD)]. This paper presents a newly developed set of drag loads vs standoff distance for a range of flame speeds and vapor cloud sizes. Nine flame speeds were evaluated, up to and including supersonic flame speeds. Cloud sizes are characterized using energy scaled standoff distances (i.e., Sachs scaling). The purpose of this work is to provide a database of drag loads that can be used to evaluate the structural response of piping, vessels, equipment, and supporting structures. The database presentation is similar to that used for existing VCE blast load charts, such as those used in the Baker-Strehlow-Tang (BST) and TNO MEM (Multi-Energy Model) methods.
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Bowen, Will, and Keith Alexander. "Surface Piercing Drag in CFD." In ASME 2011 30th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2011. http://dx.doi.org/10.1115/omae2011-49651.
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Drag force on surface piercing flat plates oriented normal to a flow has been modeled using Ansys CFX v12.1 and compared to experimental results. Surface piercing refers to a body which is subjected to a two phase external flow, with the surface being the boundary between the two phases, in this case water and air. It is known that at high velocities flow behind a water piercing flat plate will separate due to a low pressure region created in the wake of the plate. This is known as the mechanism of ventilation. Once ventilation occurs, profile drag is decreased on the plates, due to the back side of the plate being exposed to air and thus atmospheric pressure. However, for surface piercing flow energy is dissipated in the form of waves and spray which increases the drag. The resulting change in drag can be expressed as a surface piercing drag coefficient of a plate, which changes as a function of speed or Froude Number and has been empirically shown to fluctuate from approximately 1.1 to 1.7 for a square plate. (Hoerner) The aim of the report is to verify and present the CFD results for surface piercing drag at a range of speeds from 0–10 m/s (0–36 kph). The results for a fully simulated domain are compared to experimental results at speeds of 0–3 m/s. One rectangular plate of aspect ratio 1 was tested in a towing tank and speed was limited. For speeds of 1–3 m/s the comparison was within 10%.
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Su, Junwei, Hamed Esmaeilzadeh, and Hongwei Sun. "Study of Frequency Response of Quartz Crystal Microbalance to Different Wetting States of Micropillar Surfaces." In ASME 2017 Fluids Engineering Division Summer Meeting. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/fedsm2017-69550.
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Enhanced wettability, known as superhydrophobicity or superhydrophilicity has drawn extensive attention in the past for wide range potential applications such as superhydrophobic surfaces for self-cleaning, anti-icing, dropwise condensation, and drag reduction. This research focuses on the investigation of the frequency responses of quartz crystal microbalance (QCM) devices coated with micropillars to the different wetting states of drops. A theoretical model was developed to correlate the resonant frequency shifts of QCMs with the penetrated (Wenzel state) and suspended (Cassie state) states based on the Euler-Bernoulli beam theory. In the experimental validation of the theory, Poly(methyl methacrylate) (PMMA) micropillars were fabricated on the QCMs using nanoimprint lithography (NIL) method and the different wetting states were generated by plasma treatment and chemical coating. The frequency shifts of the QCM device were measured by a network analyzer. A good agreement between experimental measurements and theoretical predictions was obtained. It was found that the micropillars operating in the penetrated state results in one order of magnitude higher frequency shift of QCM than the micropillars in suspended state. There exists a highly nonlinear vibrating behavior of micropillars with different heights in both penetrated and suspended states. The QCM based technology is a valuable tool for studying the wettability of different superhydrophobic or superhydrophilic surfaces.
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Yoshihara, S., A. Takahashi, M. Saito, B. J. MacDonald, and K. Manabe. "Development of Fuzzy Inference System With Learning Algorithm for Determining Press-Forming Conditions." In ASME 2010 International Manufacturing Science and Engineering Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/msec2010-34020.
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A fuzzy inference system with an associated database was developed in order to determine the forming conditions required to obtain the objective height of a drawn cup using magnesium alloy sheet. The results from both experimental and finite element analyses (FEA) have been used for constructing the database which contains information on the forming conditions used and the resultant height of the drawn cup. A case study utilizing circular-cup deep-drawing was used to test the inference system, whereby experimental results for the height of the drawn cup using specific forming conditions (temperature, blank size and blank holding force) agreed with those predicted using the inference system. This confirms the validity of the inference system. Furthermore, a learning method was developed in order to improve the system using further experimental results, the FEA results and a fuzzy algorithm. The experimental analysis showed good agreement between the required objective height and the experimentally measured height of the drawn cup.
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Liu, Yang, Chad Rollins, Nam Dinh, and Hong Luo. "Sensitivity Analysis of Interfacial Momentum Closure Terms in Two Phase Flow and Boiling Simulations Using MCFD Solver." In ASME 2017 Heat Transfer Summer Conference. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/ht2017-4963.
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In this paper, a general workflow for the global Sensitivity Analysis (SA) has been proposed based on the coupling of VUQ toolkit DAKOTA and Multiphase Computational Fluid Dynamics (MCFD) solver boilEulerFoam. A surrogate model is first constructed based on sampling simulations from boilEulerFoam. This surrogate is based on Gaussian Processes Model (GPM) and is validated and proved to have good properties. The Morris Screening method is then applied based on the surrogate to those interfacial momentum closure terms for SA, including drag, lift, turbulent dispersion, wall lubrication, and virtual mass. Two different cases are considered, one is on low-pressure adiabatic flow, and the other is on high pressure boiling flow. Each case has its experimental background with data support. The radial void fraction distribution, gas velocity, relative velocity and liquid temperature (only for high pressure boiling case) are chosen as the Quantities of Interest (QoIs) which are of key interests for two-phase flow simulation and boiling crisis prediction. The interfacial force coefficient of each closure term is chosen as the input parameter. For the boiling case, the bubble diameter effect is also analyzed. Three remarks are drawn from this work on SA. First, it demonstrates the feasibility of surrogate model in the VUQ work for models in MCFD solver. The computational cost can be significantly reduced by employing the surrogate model. Secondly, through the Morris Sensitivity measurements, the importance of interfacial forces on different QoIs and regions can be analyzed and ranked for the two cases. Such analysis is also helpful for further model parameter calibration. Last but not least, the limitation of current work and the desired future work are discussed.
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Nazir, Kamran, and C. H. Sohn. "Effect of Initial Height on Drain Time of Water Drainage Through Cylindrical Tank." In ASME/JSME/KSME 2015 Joint Fluids Engineering Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/ajkfluids2015-34660.
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Draining of liquids through cylindrical tanks is very common phenomena. An interesting but undesirable Aircore is generated during draining process. Therefore understanding of air core formation and its growth is of quite interest in literature. In present study, water draining through cylindrical tanks is studied by experimental techniques. Rotational Froude number is varied based on different initial heights of water in the cylinder. Spatial and temporal variation of critical height and critical time against experiments performed is reported in paper. From comparison of critical height ratio against Froude numbers under consideration, it is found that air core generates slower for lower Froude numbers. Therefore, for higher initial heights of liquid column in the tank, the Aircore generates later as compared to lower initial liquid height case, and this seems to be the reason for the same drain time for all the initial water heights being used in the study. In order to validate the concept, further experiments are performed without initial swirl of tank. Thus causing no Aircore to generate during draining. It is found that with decreasing height the drain time decreases. This validate the concept that early Aircore generation was the major reason behind same drain times with different volumes of water in the cylinder.
Reports on the topic "Castle Of Dragon"
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Hossain, Niamat Ullah Ibne, Raed Jaradat, Seyedmohsen Hosseini, Mohammad Marufuzzaman, and Randy Buchanan. A framework for modeling and assessing system resilience using a Bayesian network : a case study of an interdependent electrical infrastructure systems. Engineer Research and Development Center (U.S.), April 2021. http://dx.doi.org/10.21079/11681/40299.
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This research utilizes Bayesian network to address a range of possible risks to the electrical power system and its interdependent networks (EIN) and offers possible options to mitigate the consequences of a disruption. The interdependent electrical infrastructure system in Washington, D.C. is used as a case study to quantify the resilience using the Bayesian network. Quantification of resilience is further analyzed based on different types of analysis such as forward propagation, backward propagation, sensitivity analysis, and information theory. The general insight drawn from these analyses indicate that reliability, backup power source, and resource restoration are the prime factors contributed towards enhancing the resilience of an interdependent electrical infrastructure system.
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Allen, Luke, Joon Lim, Robert Haehnel, and Ian Dettwiller. Helicopter rotor blade multiple-section optimization with performance. Engineer Research and Development Center (U.S.), June 2021. http://dx.doi.org/10.21079/11681/41031.
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This paper presents advancements in a surrogate-based, rotor blade design optimization framework for improved helicopter performance. The framework builds on previous successes by allowing multiple airfoil sections to designed simultaneously to minimize required rotor power in multiple flight conditions. Rotor power in hover and forward flight, at advance ratio 𝜇 = 0.3, are used as objective functions in a multi-objective genetic algorithm. The framework is constructed using Galaxy Simulation Builder with optimization provided through integration with Dakota. Three independent airfoil sections are morphed using ParFoil and aerodynamic coefficients for the updated airfoil shapes (i.e., lift, drag, moment) are calculated using linear interpolation from a database generated using C81Gen/ARC2D. Final rotor performance is then calculated using RCAS. Several demonstrative optimization case studies were conducted using the UH-60A main rotor. The degrees of freedom for this case are limited to the airfoil camber, camber crest position, thickness, and thickness crest position for each of the sections. The results of the three-segment case study show improvements in rotor power of 4.3% and 0.8% in forward flight and hover, respectively. This configuration also yields greater reductions in rotor power for high advance ratios, e.g., 6.0% reduction at 𝜇 = 0.35, and 8.8% reduction at 𝜇 = 0.4.
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Qamhia, Issam, and Erol Tutumluer. Review of Improved Subgrade and Stabilized Subbases to Evaluate Performance of Concrete Pavements. Illinois Center for Transportation, May 2021. http://dx.doi.org/10.36501/0197-9191/21-016.
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This report presents findings on the evaluation of foundation layers under concrete pavements in the state of Illinois. It also provides recommendations and scenarios where unbound granular layers can be safely used under concrete pavements as economical and well-performing subbase layers. The current practice and mechanistic design methods for constructing concrete pavements in Illinois was first evaluated, including historical studies that led to the current design procedures and policies. The performance of concrete pavements with unbound granular layers in Illinois were then evaluated, and several case studies of well-performing concrete pavements with granular subbases, high traffic levels, and low distress levels and severity were realized. Next, the practices of surrounding states were evaluated, and several Midwest states, i.e., Wisconsin, Minnesota, Iowa, and Michigan, were found to regularly use unbound granular layers under concrete pavements with no issues. A literature review on the most recent requirements and recommendations for designing granular subbases under concrete pavements was then presented. It is concluded that subbase layers under concrete pavements are mainly used to provide uniform support and prevent pumping. Based on the case study evaluations and literature, a stable, drainable, and durable daylighted granular subbase design is recommended for traffic factors up to 10.0. Stability is ensured by limiting the ratio of gravel-to-sand fractions in the aggregate mix between 1.3 and 1.9. Drainability requirements can be met by limiting the percentage of fines passing the No. 200 sieve (0.075 mm) to 4% and by checking the quality of drainage is at least fair based on the time required to drain 50% of the water. Lastly, a geotextile fabric is recommended for use below the granular subbase for separation to ensure drainability throughout design life.
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Dorr, Andrea, Eva Heckl, and Joachim Kaufmann. Evaluierung des Förderschwerpunkts Talente. KMU Forschung Austria, December 2020. http://dx.doi.org/10.22163/fteval.2020.495.
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With the funding programme Talents, the Federal Ministry for Climate Action, Environment, Energy, Mobility, Innovation and Technology (BMK) supports people in applied research throughout their entire career. The overarching goal is to increase the utilisation of human potential in the application-oriented, scientific and technical RTI sector. The programme objectives are 1) to inspire young people for research and development, 2) to connect researchers with the economic sector, 3)to guarantee equal opportunities for all. Within the framework of three fields of intervention, there are various programme lines: 1) Intervention field Young Talents with the programme lines Internships for Students and Talents Regional, 2) Intervention field Female Talents with the programme lines FEMtech Internships for Female Students, FEMtech Career and FEMtech Career Check for SMEs (2015 and 2016), as well as FEMtech Research Projects; and 3) Intervention field Professional Talents with the programme lines The Austrian Job Exchange for Research, Development and Innovation as well as Career Grants for Interviews, Relocation and Dual Careers in Applied Research. After an interim evaluation in 2014, a final evaluation took place at the end of the programme period (end of 2020). The programme was analysed with regard to its conception, implementation, achievement of objectives and impact. Furthermore, conclusions and recommendations for the further development of the Talents programme have been drawn. The methodological basis of the evaluation is a document analysis, secondary data analysis (FFG monitoring data), interviews with experts, online surveys of funding recipients (FEMtech Career / FEMtech Career Check for SMEs and Career Grants), case studies (FEMtech Career projects) and workshops.
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Sanz, E., P. Alonso, B. Haidar, H. Ghaemi, and L. García. Key performance indicators (KPIs). Scipedia, 2021. http://dx.doi.org/10.23967/prodphd.2021.9.002.
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The project “Social network tools and procedures for developing entrepreneurial skills in PhD programmes” (prodPhD) aims to implement innovative social network-based methodologies for teaching and learning entrepreneurship in PhD programmes. The multidisciplinary teaching and learning methodologies to be developed will enable entrepreneurship education to be introduced into any PhD programme, providing students with the knowledge, skills, and motivation to engage in entrepreneurial activities. However, the use of the output of the project will depend on the nature and profile of the research or scientific field. In this context, key performance indicators (KPIs) form the base on which the quality and scope of the methodologies developed in the project will be quantified and benchmarked. The project’s final product will be an online tool that higher education students can use to learn entrepreneurship from a social network perspective. Performance measurement is one of the first steps of any project and involves the choice and use of indicators to measure the effectiveness and success of the project’s methods and results. All the KPIs have been selected according to criteria of relevance, measurability, reliability, and adequacy, and they cover the process, dissemination methods, and overall quality of the project. In this document, each KPI is defined together with the units and instruments for measuring it. In the case of qualitative KPIs, five-level Likert scales are defined to improve indicator measurability and reliability. The KPIs for prodPhD are divided into three main dimensions, depending on the stage of the project they evaluate. The three main dimensions are performance and development (which are highly related to the project’s process), dissemination and impact (which are more closely correlated with the project’s output), and overall project quality. Different sources (i.e., European projects and papers) have been drawn upon to define a set of 51 KPIs classified into six categories, according to the project phase they aim to evaluate. An Excel tool has been developed that collects all the KPIs analysed in the production of this document. This tool is shared in the Scipedia repository.
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Cox, Jeremy. The unheard voice and the unseen shadow. Norges Musikkhøgskole, August 2018. http://dx.doi.org/10.22501/nmh-ar.621671.
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The French composer Francis Poulenc had a profound admiration and empathy for the writings of the Spanish poet Federico García Lorca. That empathy was rooted in shared aspects of the artistic temperament of the two figures but was also undoubtedly reinforced by Poulenc’s fellow-feeling on a human level. As someone who wrestled with his own homosexuality and who kept his orientation and his relationships apart from his public persona, Poulenc would have felt an instinctive affinity for a figure who endured similar internal conflicts but who, especially in his later life and poetry, was more open about his sexuality. Lorca paid a heavy price for this refusal to dissimulate; his arrest in August 1936 and his assassination the following day, probably by Nationalist militia, was accompanied by taunts from his killers about his sexuality. Everything about the Spanish poet’s life, his artistic affinities, his personal predilections and even the relationship between these and his death made him someone to whom Poulenc would be naturally drawn and whose untimely demise he would feel keenly and might wish to commemorate musically. Starting with the death of both his parents while he was still in his teens, reinforced by the sudden loss in 1930 of an especially close friend, confidante and kindred spirit, and continuing throughout the remainder of his life with the periodic loss of close friends, companions and fellow-artists, Poulenc’s life was marked by a succession of bereavements. Significantly, many of the dedications that head up his compositions are ‘to the memory of’ the individual named. As Poulenc grew older, and the list of those whom he had outlived lengthened inexorably, his natural tendency towards the nostalgic and the elegiac fused with a growing sense of what might be termed a ‘survivor’s anguish’, part of which he sublimated into his musical works. It should therefore come as no surprise that, during the 1940s, and in fulfilment of a desire that he had felt since the poet’s death, he should turn to Lorca for inspiration and, in the process, attempt his own act of homage in two separate works: the Violin Sonata and the ‘Trois Chansons de Federico García Lorca’. This exposition attempts to unfold aspects of the two men’s aesthetic pre-occupations and to show how the parallels uncovered cast reciprocal light upon their respective approaches to the creative process. It also examines the network of enfolded associations, musical and autobiographical, which link Poulenc’s two compositions commemorating Lorca, not only to one another but also to a wider circle of the composer’s works, especially his cycle setting poems of Guillaume Apollinaire: ‘Calligrammes’. Composed a year after the ‘Trois Chansons de Federico García Lorca’, this intricately wrought collection of seven mélodies, which Poulenc saw as the culmination of an intensive phase in his activity in this genre, revisits some of ‘unheard voices’ and ‘unseen shadows’ enfolded in its predecessor. It may be viewed, in part, as an attempt to bring to fuller resolution the veiled but keenly-felt anguish invoked by these paradoxical properties.
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Sexual coercion: Young men's experiences as victims and perpetrators. Population Council, 2004. http://dx.doi.org/10.31899/pgy22.1008.
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Available evidence suggests that a considerable number of young people experience nonconsensual sex across the world, however research has mainly concentrated on the experiences of young girls and their perspectives of perpetrators of violence. Little is known about coercion among young males as victims or perpetrators. Case studies presented at an international consultative meeting in September 2003 in New Delhi, India, challenged the common assumption that only women are victims of violence, and shed light on the experiences of young males as victims of sexual coercion. These case studies also discussed the perspectives of young males as perpetrators of violence against young women. The evidence comes from small-scale studies from Goa, India; Ibadan, Nigeria; Leon, Nicaragua; Mexico City, Mexico; Phnom Penh, Cambodia, and selected settings in Peru and South Africa. The findings therefore are instructive but not representative. Common themes drawn from these diverse studies and key issues are discussed in this brief.