Relevant bibliographies by topics / Melting term

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Melting term'

Author: Grafiati
Published: 30 May 2022
Last updated: 31 May 2022

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Journal articles on the topic "Melting term"

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Zhou, Jian, Jing Li, Guoqiang Liu, Tao Yang, and Yongli Zhao. "Long-Term Performance and Deicing Effect of Sustained-Release Snow Melting Asphalt Mixture." Advances in Civil Engineering 2019 (June 11, 2019): 1–12. http://dx.doi.org/10.1155/2019/1940692.

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To accelerate snow and ice melting, traditional chloride-based salts are spreaded on asphalt pavement surface, causing serious environmental pollution and infrastructure corrosion. For sustained-release snow melting asphalt mixture, the snow melting agent of Mafilon is directly added to asphalt mixture by replacing partial mineral powder to develop a new type of functional asphalt mixture. In this paper, through the Marshall test, immersion Marshall test, rutting test, trabecular bending test, and Cantabro test, the effects of Mafilon addition on asphalt pavement performance is systematically
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Abdelaziz, Yasser A., F. M. Megahed, and M. M. Abdel-Aal. "LONG-TERM STABILITY OF Co-C AND Pd-C EUTECTIC FIXED POINTS FOR THERMOCOUPLES CALIBRATION." Measuring Equipment and Metrology 82, no. 1 (2021): 26–29. http://dx.doi.org/10.23939/istcmtm2021.01.026.

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Eutectic fixed points are close to becoming a reference for high temperatures calibration, especially as the new International Temperature Scale (ITS) approach to issue after the re-definition of the Kelvin unit. In this work the long-term stability of Co-C and Pd-C eutectic fixed points were investigated using NIS-Egypt facilities. The eutectic points were measured using Pt/Pd thermocouple. The total exposure to the Co-C and Pd-C melting temperature was about 200 h for the fixed-point cell and 150 h for the Pt/Pd thermocouple. The emfs of the thermocouple at the melting point were observed to
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Mira, Nadarajan, Liu, González-Benito, and Pritchard. "Lipid Thermal Fingerprints of Long-term Stored Seeds of Brassicaceae." Plants 8, no. 10 (2019): 414. http://dx.doi.org/10.3390/plants8100414.

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Thermal fingerprints for seeds of 20 crop wild relatives of Brassicaceae stored for 8 to 44 years at the Plant Germplasm Bank—Universidad Politécnica de Madrid and the Royal Botanic Gardens, Kew’s Millennium Seed Bank—were generated using differential scanning calorimetry (DSC) and analyzed in relation to storage stability. Relatively poor storing oily seeds at −20 °C tended to have lipids with crystallization and melting transitions spread over a wide temperature range (c. 40 °C) that spanned the storage temperature, plus a melting end temperature of around 15 °C. We postulated that in dry st
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Lysenko, N. O., O. O. Pedash, V. V. Klochykhin, and P. O. Kasai. "Influence of long-term soaking on the structure and properties of IN625 alloy samples made by selective laser melting." Paton Welding Journal 2022, no. 1 (2022): 41–47. http://dx.doi.org/10.37434/tpwj2022.01.08.

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Dolan, Brenda, Steven A. Rutledge, S. Lim, V. Chandrasekar, and M. Thurai. "A Robust C-Band Hydrometeor Identification Algorithm and Application to a Long-Term Polarimetric Radar Dataset." Journal of Applied Meteorology and Climatology 52, no. 9 (2013): 2162–86. http://dx.doi.org/10.1175/jamc-d-12-0275.1.

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AbstractA new 10-category, polarimetric-based hydrometeor identification algorithm (HID) for C band is developed from theoretical scattering simulations including wet snow, hail, and big drops/melting hail. The HID is applied to data from seven wet seasons in Darwin, Australia, using the polarimetric C-band (C-POL) radar, to investigate microphysical differences between monsoon and break periods. Scattering simulations reveal significant Mie effects with large hail (diameter > 1.5 cm), with reduced reflectivity and enhanced differential reflectivity Zdr and specific differential phase Kdp r
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Winther, Jan-Gunnar. "Short- and Long-Term Variability of Snow Albedo." Hydrology Research 24, no. 2-3 (1993): 199–212. http://dx.doi.org/10.2166/nh.1993.0022.

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The progress of snow albedo for the 1991 winter from Helligdagshaugen research site, Norway, is presented. The temporal reduction of albedo decreases as the snow undergoes a process of metamorphosis, as long as the snow depth is large enough to prevent absorption of solar radiation by the underlying terrain. Later, as the snow depth becomes less than about 10 cm and the area of bare patches grows, there is an increase in the temporal rate of reduction in albedo. An accumulated daily maximum temperature index is shown to be a good predictor of both the long-term development of the snow albedo a
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Karelin, V. A., and Vl V. Salomatov. "A review of modern numerical and analytical models of heat transfer in a dielectric layer during melting due to microwave radiation." Journal of Physics: Conference Series 2119, no. 1 (2021): 012074. http://dx.doi.org/10.1088/1742-6596/2119/1/012074.

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Abstract In this work, numerical and analytical solutions of heat transfer in a dielectric layer during melting in the microwave field were considered. We considered solutions, where the source term was obtained based on the solution of Maxwell equation, as well as using the Lambert law. The conditions applicable for analytical solutions, allowing the parametric analysis, are determined. The areas of application of the technology of microwave melting of dielectrics, in particular with melting ice on water, defrosting products, etc., were also considered.
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Ospennikova, O. G., P. G. Min, A. M. Rogalev, and V. E. Vadeev. "On the chemical composition, structure and mechanical properties of alloy EP648 fabricated by deformation, project die casting and selective laser melting." Voprosy Materialovedeniya, no. 1(101) (May 3, 2020): 44–54. http://dx.doi.org/10.22349/1994-6716-2020-101-1-44-54.

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The paper studies chemical composition, structure and mechanical properties of the heat-resistant nickel EP648 alloy obtained by deformation, die project casting and selective laser melting. It is shown that the deformed material is characterized by low porosity, high impact strength and ductility, the cast material has large grains, high long-term strength and low-cycle fatigue. The material obtained by selective laser melting is characterized by an increased content of oxygen and nitrogen, fine-grain structure with large variation in grain size strongly expressed and heredity, and also high
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Warner, Roland C., and W. Κ. Budd. "Modelling the long-term response of the Antarctic ice sheet to global warming." Annals of Glaciology 27 (1998): 161–68. http://dx.doi.org/10.3189/1998aog27-1-161-168.

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The primary effects of global warming on the Antarctic ice sheet can involve increases in surface melt for limited areas at lower elevations, increases in net accumulation, and increased basal melting under floating ice. For moderate global wanning, resulting in ocean temperature increases of a few °C, the large- increase in basal melting can become the dominant factor in the long-term response of the ice sheet. The results from ice-sheet modelling show that the increased basal melt rates lead to a reduction of the ice shelves, increased strain rates and flow at the grounding lines, then thinn
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Elgafy, Ahmed, Osama Mesalhy, and Khalid Lafdi. "Numerical and Experimental Investigations of Melting and Solidification Processes of High Melting Point PCM in a Cylindrical Enclosure." Journal of Heat Transfer 126, no. 5 (2004): 869–75. http://dx.doi.org/10.1115/1.1800492.

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In the present work, a computational model is developed to investigate and predict the thermal performance of high melting point phase change material during its melting and solidification processes within a cylindrical enclosure. In this model the phases are assumed to be homogeneous and a source term, S, arises from melting or solidification process is considered as a function of the latent heat of fusion and the liquid phase fraction. The numerical model is verified with a test problem and an experiment is performed to assess the validity of the assumptions of it and an agreement between ex
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Dissertations / Theses on the topic "Melting term"

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Elkandari, Bader M. H. M. "Excimer laser surface melting treatment on 7075-T6 aluminium alloy for improved corrosion resistance." Thesis, University of Manchester, 2013. https://www.research.manchester.ac.uk/portal/en/theses/excimer-laser-surface-melting-treatment-on-7075t6-aluminium-alloy-for-improved-corrosion-resistance(c2da3b82-eeb5-4eae-a1dc-e4aefba18c62).html.

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High strength 7xxx aluminium alloys are used extensively in the aerospace industry because the alloys offer excellent mechanical properties. Unfortunately, the alloys can suffer localised corrosion due to the presence of large intermetallic particles at the alloy surface that are aligned in the rolling direction. Laser surface melting (LSM) techniques offer the potential to reduce and/or to eliminate the intermetallic phases from the surface of the alloy without affecting the alloy matrix.The present study concerns the application of LSM using an excimer laser to enhance the corrosion resistan
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Боянівський, Владислав Петрович. "Підвищення ефективності печей для переплавки алюмінієвого брухту". Master's thesis, Київ, 2018. https://ela.kpi.ua/handle/123456789/24376.

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Магістерська дисертація на тему «Підвищення ефективності печей для переплавки алюмінієвого брухту»: 104 с., 35 рис., 12 табл., 4 додатки, 15 джерел. Об’єкт дослідження – піч для переплавки алюмінієвого брухту. Мета роботи – підвищення енергетичної ефективності та удосконалення конструкції печей для переплавки алюмінієвого брухту. Проаналізовані основні способи підвищення енергетичної ефективності. Наведені результати розрахунків енергетичної ефективності печі місткістю 6 т, потужністю 600 кВт, для переплвки алюмінієвого брухту. Показано, що за рахунок зменшення терміну відкриття форк
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Berlin, Katja. "In-situ transmission electron microscopy on high-temperature phase transitions of Ge-Sb-Te alloys." Doctoral thesis, Humboldt-Universität zu Berlin, 2018. http://dx.doi.org/10.18452/19219.

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Das Hochtemperaturverhalten beeinflusst viele verschiedene Prozesse von der Materialherstellung bis hin zur technologischen Anwendung. In-situ Transmissionselektronenmikroskopie (TEM) bietet die Möglichkeit, die atomaren Prozesse während struktureller Phasenübergänge direkt und in Realzeit zu beobachten. In dieser Arbeit wurde in-situ TEM angewendet, um die Reversibilität des Schmelz- und Kristallisationsprozesses, sowie das anisotropen Sublimationsverhaltens von Ge-Sb-Te (GST) Dünnschichten zu untersuchen. Die gezielte Probenpräparation für die erfolgreiche Beobachtung der Hochtemperatur-Phas
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Simonelli, Marco. "Microstructure evolution and mechanical properties of selective laser melted Ti-6Al-4V." Thesis, Loughborough University, 2014. https://dspace.lboro.ac.uk/2134/15070.

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Selective laser melting (SLM) has been shown to be an attractive manufacturing route for the production of ??/?? titanium alloys, and in particular Ti-6Al-4V. A thorough understanding of the relationship between the process, microstructure and mechanical properties of the components produced by this technology is however crucial for the establishment of SLM as an alternative manufacturing route. The purpose of the present study is thus to determine the microstructure evolution, crystallographic texture and the mechanical properties of SLM Ti-6Al-4V. The effect of several processing parameters
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Wei, Lung-Chih, and 韋志龍. "Crystallization Kinetics and Melting Behavior of PEEK and Influence of Transcrystallinity on the Long-Term Tensile-Tensile Property of AS4/PEEK Composites." Thesis, 2001. http://ndltd.ncl.edu.tw/handle/90490581219301463049.

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碩士<br>國立中山大學<br>材料科學研究所<br>89<br>Crystallization kinetics and melting behavior of PEEK were studied by differential scanning calriometry (DSC) and modulated differential scanning calriometry (MDSC). The isothermal crystallization was performed in DSC between 290 and 320°C. The Avrami constants (n1, n2) and the level off time were determined from the Avrami analysis. The n1 values varied from 1.50 to 2.98, and the n2 values were between 0.52 and 1.37. The minimum induction time required for the occurrence of double melting peaks was obtained by increasing the isothermal crystallization time in
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Di, Pierro Michele. "Optimization of force fields for molecular dynamics." Thesis, 2014. http://hdl.handle.net/2152/28355.

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A technology for optimization of potential parameters from condensed phase simulations (POP) is discussed and illustrated. It is based on direct calculations of the derivatives of macroscopic observables with respect to the potential parameters. The derivatives are used in a local minimization scheme, comparing simulated and experimental data. In particular, we show that the Newton Trust-Region protocol allows for accurate and robust optimization. POP is illustrated for a toy problem of alanine dipeptide and is applied to folding of the peptide WAAAH. The helix fraction is highly sensitive to
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Books on the topic "Melting term"

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McElroy, Michael B. Energy and Climate. Oxford University Press, 2016. http://dx.doi.org/10.1093/oso/9780190490331.001.0001.

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The climate of our planet is changing at a rate unprecedented in recent human history. The energy absorbed from the sun exceeds what is returned to space. The planet as a whole is gaining energy. The heat content of the ocean is increasing; the surface and atmosphere are warming; mid-latitude glaciers are melting; sea level is rising. The Arctic Ocean is losing its ice cover. None of these assertions are based on theory but on hard scientific fact. Given the science-heavy nature of climate change, debates and discussions have not played as big a role in the public sphere as they should, and in
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Omstedt, Anders. The Development of Climate Science of the Baltic Sea Region. Oxford University Press, 2017. http://dx.doi.org/10.1093/acrefore/9780190228620.013.654.

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Dramatic climate changes have occurred in the Baltic Sea region caused by changes in orbital movement in the earth–sun system and the melting of the Fennoscandian Ice Sheet. Added to these longer-term changes, changes have occurred at all timescales, caused mainly by variations in large-scale atmospheric pressure systems due to competition between the meandering midlatitude low-pressure systems and high-pressure systems. Here we follow the development of climate science of the Baltic Sea from when observations began in the 18th century to the early 21st century. The question of why the water l
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Vuorinen, Ilppo. Post-Glacial Baltic Sea Ecosystems. Oxford University Press, 2018. http://dx.doi.org/10.1093/acrefore/9780190228620.013.675.

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Post-glacial aquatic ecosystems in Eurasia and North America, such as the Baltic Sea, evolved in the freshwater, brackish, and marine environments that fringed the melting glaciers. Warming of the climate initiated sea level and land rise and subsequent changes in aquatic ecosystems. Seminal ideas on ancient developing ecosystems were based on findings in Swedish large lakes of species that had arrived there from adjacent glacial freshwater or marine environments and established populations which have survived up to the present day. An ecosystem of the first freshwater stage, the Baltic Ice La
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Liu, Xiaodong, and Libin Yan. Elevation-Dependent Climate Change in the Tibetan Plateau. Oxford University Press, 2017. http://dx.doi.org/10.1093/acrefore/9780190228620.013.593.

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As a unique and high gigantic plateau, the Tibetan Plateau (TP) is sensitive and vulnerable to global climate change, and its climate change tendencies and the corresponding impact on regional ecosystems and water resources can provide an early alarm for global and mid-latitude climate changes. Growing evidence suggests that the TP has experienced more significant warming than its surrounding areas during past decades, especially at elevations higher than 4 km. Greater warming at higher elevations than at lower elevations has been reported in several major mountainous regions on earth, and thi
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Book chapters on the topic "Melting term"

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Ahbari, Abdellatif, Laila Stour, and Ali Agoumi. "Impacts of Climate Change on the Hydro-Climatology and Performances of Bin El Ouidane Reservoir: Morocco, Africa." In African Handbook of Climate Change Adaptation. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-45106-6_245.

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AbstractIn arid and humid contexts, dams’ reservoirs play a crucial role in water regulation and flood control. Under the projected climate change (CC) effects, even a preoptimized management approach (MA) of a reservoir needs to be assessed in this projected climate. This chapter aims to assess the impacts of CC on the Hydroclimatic (HC) variables of the basin upstream the reservoir of Bin El Ouidane (Morocco), and the effects on the performances of its preoptimized MA. The applied Top-Down assessment procedure included CORDEX climate projections, hydrological, siltation, evaporation, and management models. Concerning the HC variables, the results obtained concord with those reported in the literature in terms of trend, but not always in terms of intensity of change. On the other hand, the projections expected a decrease in the performances of the reservoir, except for criterion allocations’ standard deviation, calibrated during the optimization. Also, interesting conclusions have been found like: the change in precipitation dominant form, the accentuation of the pluvial hydrological regime, the advanced snow melting due to the temperature increase. This chapter presents a typical case study on how to use climate projections for reservoir MA adaptation, without being highly and negatively influenced by the climate model uncertainties.
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Johnson, Elizabeth Lominska, and Graham E. Johnson. "The Japanese Occupation, Recovery, and Transformation 1941–1970." In A Chinese Melting Pot. Hong Kong University Press, 2019. http://dx.doi.org/10.5790/hongkong/9789888455898.003.0004.

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Kwan Mun Hau Village in Tsuen Wan includes the Yau, Chan, and Fan lineages. Some members also lived in nearby villages. Both reconstructed full genealogies and printed them for their members in the 1960s-70s, bringing them to the present and mentioning their halls, re-sited when Kwan Mun Hau moved in 1964. The Yau also preserved an important document, a will from 1837, dividing the property among the branches. Kwan Mun Hau has two protective shrines, one honouring nine long-term workers who died defending the village. Before the Japanese occupation, marriages were arranged, and sometimes made with small daughters-in-law. Women were expected to work hard for their husbands’ families. Children often did not survive, and families resorted to adoption.
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Johnson, Elizabeth Lominska, and Graham E. Johnson. "The Early Years of the Yau, Chan, and Fan Lineages in Tsuen Wan." In A Chinese Melting Pot. Hong Kong University Press, 2019. http://dx.doi.org/10.5790/hongkong/9789888455898.003.0003.

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Tsuen Wan’s history as a Hakka district dates to the 18th century, after the lifting of the coastal expulsion order in the early Qing dynasty. It was poor and rugged, with some reclamation on the coast, and was famous for its pineapples, which could be taken by boat to Hong Kong Island. A daily coastal market developed, and connections to urban Hong Kong grew as industry developed. The district was self-governing through a body attached to the central Tianhou temple, and relatively peaceful, with many small lineages. Wealthier families often hired long-term workers to help with farming and business, but women were also known for their hard work in agriculture, and kin relationships through women helped in creating a tight-knit society. There also were strong bonds among women, expressed through their laments and mountain songs.
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Zocchi, Giovanni. "Statics of DNA Deformations." In Molecular Machines. Princeton University Press, 2018. http://dx.doi.org/10.23943/princeton/9780691173863.003.0002.

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DNA is a deformable molecule. The term “deformable” implies phenomena rooted in the collective behavior of many atoms, and a description based on concepts of continuum and statistical mechanics. Long DNA molecules are an excellent experimental system to study the equilibrium conformations and dynamics of long, flexible molecules. This chapter discusses the following: DNA melting, the zipper model, experimental melting curves, base pairing and base stacking as separate, Hamiltonian formulation of the zipper model, 2 × 2 model, nearest neighbor model, connection to nonlinear dynamics, linear and nonlinear elasticity of DNA, bending modulus and persistence length, measurements of DNA elasticity (short and long molecules), the Euler instability, and the DNA yield transition.
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Eliasoph, Nina. "How to Learn Something in an Empowerment Project." In Making Volunteers. Princeton University Press, 2011. http://dx.doi.org/10.23943/princeton/9780691147093.003.0001.

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This chapter is an overview of “empowerment projects.” It shows how empowerment projects are supposed to blend different kinds of people and different kinds of organizations—civic association, state agency, nonprofit organization, family, and cultural tradition. Since funding is usually short-term, all of this blending has to happen flexibly, rapidly, and transparently, with documentation for multiple sources, each with a separate form. Organizers celebrate all this melting of stiff boundaries, finding it exciting and empowering. But the blending also produces tensions, as it is often hard to juggle this many different types of relationships all in one place, all at once.
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Mallon, Christopher, Shai Y. Waisman, and Ray C. Schrock. "Emergency Sales in the US and the UK." In The Law and Practice of Restructuring in the UK and US. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780198755395.003.0002.

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Any business that relies on confidence in its financial position, its brand name or goodwill, talented (but mobile) employees, or short-term contracts with customers or counterparties will be particularly hard hit by suggestions that it is or may soon be experiencing financial distress. Businesses of this type have been likened to ‘melting ice cubes’—once exposed to the heat of potential insolvency, value in the business melts away rapidly as customers and counterparties look to terminate relationships, key employees look to exit, and the goodwill and brand name of the business become tarnished. The catastrophic and rapid collapse during 2008 of famous Wall Street and the City of London names illustrated this in dramatic fashion, but businesses of almost every type will suffer negative effects once financial difficulties become more widely known.
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Bianchi, Thomas S. "Effects of Sea-Level Rise and Subsidence on Deltas." In Deltas and Humans. Oxford University Press, 2016. http://dx.doi.org/10.1093/oso/9780199764174.003.0010.

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As I briefly mentioned in Chapter 3, the global mean sea level, as deduced from the accumulation of paleo-sea level, tide gauge, and satellite-altimeter data, rose by 0.19 m (range, 0.17–0.21 m) between 1901 and 2010 (see Figure 3.3). Global mean sea level represents the longer-term global changes in sea level, without the short-term variability, and is also commonly called eustatic sea-level change. On an annual basis, global mean sea-level change translates to around 1.5 to 2 mm. During the last century, global sea level rose by 10 to 25 cm. Projections of sea-level rise for the period from 2000 to 2081 indicate that global mean sea-level rise will likely be as high as 0.52 to 0.98 m, or 8 to 16 mm/ yr, depending on the greenhouse gas emission scenarios used in the models. Mean sea-level rise is primarily controlled by ocean thermal expansion. But there is also transfer of water from land to ocean via melting of land ice, primarily in Greenland and Antarctica. Model predictions indicate that thermal expansion will increase with global warming because the contribution from glaciers will decrease as their volume is lost over time. (Take a look at Figure 5.1 if you have doubts about glaciers melting.) And remember our discussion in Chapter 2 about the role of the oceans in absorbing carbon dioxide (CO2) and the resultant ocean acidification in recent years. The global ocean also absorbs about 90% of all the net energy increase from global warming as well, which is why the ocean temperature is increasing, which in turn results in thermal expansion and sea-level rise. To make things even more complicated, the expansion of water will vary with latitude because expansion of seawater is greater with increasing temperature. In any event, sea level is expected to rise by 1 to 3 m per degree of warming over the next few millennia.
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Corazza, Laura. "ICT and Interculture Opportunities Offered by the Web." In Encyclopedia of Information Communication Technology. IGI Global, 2009. http://dx.doi.org/10.4018/978-1-59904-845-1.ch047.

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In Italy, as in other European countries such as Germany and France, the words “multicultural” and “intercultural” have distinct meanings1. In some ways the passage the one from the other indicates the evolution of a concept that, when examined in detail, forces us to re-examine educational political, and cultural choices in a society. “In Italy, especially in the field of pedagogy, the term multicultural indicates a situation where cultures co-exist side by side but as yet, have not found a means of comparison and relating to each other . . The term intercultural, which originated in France and then spread to other European countries, on another hand, describes a situation of interaction between different cultures, often describing a prospect, a possible point of arrival or an objective to strive for; a situation in which the people of different cultures begin to open up to reciprocal relationships, thereby bringing about the possibility of integration, characterised by a political and cultural pluralism which aims at reciprocal respect and appreciation between the respective cultures”2. With Multiculturalism, people accept to live with those from other cultures with tolerance but without promoting forms of exchange and democratic co-existence. The form of social organization that derives from this is that of the “melting pot” which encourages the development of ghettos or “Little Italy” and “China towns”. However the Intercultural approach is reciprocal. It is for those who accept and listen, those who are tolerant, those who are not afraid of “contamination” but constantly seek to mediate between different points of view and backgrounds.
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Newnham, Robert E. "Thermoelectricity." In Properties of Materials. Oxford University Press, 2004. http://dx.doi.org/10.1093/oso/9780198520757.003.0023.

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When two different metals are connected together in a circuit and the two junctions are held at different temperatures, five physical phenomena take place simultaneously. Thermal and electric currents flow in the circuit, giving rise to Joule heating and thermal conduction. The driving forces for these currents are three interrelated thermoelectric phenomena: the Seebeck Effect, the Peltier Effect, and the Thomson Effect. For commonly used thermocouples, a voltage is developed when the junctions are held at different temperatures. In practice, one junction is held at a constant temperature (often the melting point of ice), and the open circuit voltage is measured as a function of the temperature of the second junction. If the reference temperature is 0◦C, then the thermocouple voltage can be expressed as a power series. . . . V = αT + βT2 + γ T3 +· · · , . . . where T is the temperature in ◦C and the coefficients depend on the choice of metals. Data for Cu–Ni and Cu–Fe thermocouples are presented in Fig. 21.2 along with the governing equations. If the cold junction is at a temperature other than 0◦C, it is only necessary to add a constant term. From this it follows that dV/dT at one junction is independent of the temperature of the second junction.
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Czebreszuk, Janusz. "Metallurgy in the Early Bronze defensive settlement in Bruszczewo, site 5, Śmigiel commune, Kościan district: One more step on the way to the synthesis." In Treasures of Time: Research of the Faculty of Archaeology of Adam Mickiewicz University in Poznań. Adam Mickiewicz University Poznan, 2021. http://dx.doi.org/10.14746/wa.2021.15.978-83-946591-9-6.

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Long-term excavations carried out in the defensive settlement of the Únětice Culture in Bruszczewo (Śmigiel commune, Kościan district) have resulted in an abundant assemblage of artefacts related to metallurgy. These represent various ready-made products (i.e., ornaments, tools, and weapons), as well as some scrap prepared for smelting. Other finds included smelting by-products (metal prills/droplets) and unfinished and never used artefacts with preserved casting seams. Also, the artefact assemblage recorded at this site connected with metallurgy but made of other materials is unique in Europe. In this context, it is worth mentioning: tuyeres, melting pots, and clay footings, as well as a stone casting mould used for making open bracelets. This article presents an analysis and a description of these finds. The metal artefacts were analysed on the basis of the results of a metallurgical study, to which almost all metals recorded in Bruszczewo were subjected. Also, the applied chronological frame was based on the types of metal typical of the Únětice culture. The significant number of artefacts and their multi-aspect, archaeological and metallurgical analyses, place Bruszczewo among the key points on the map of knowledge of Early Bronze metallurgy on our continent. Moreover, this article indicates that the presented site offers great research potential that can be used in further studies into prehistoric metallurgical knowledge, including technological innovations.
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Conference papers on the topic "Melting term"

1

Marzuki, H. Hashiguchi, M. Vonnisa, Harmadi, and Muzirwan. "Long-Term Change in Rainfall Rate and Melting Layer Height in Indonesia." In 2018 Progress in Electromagnetics Research Symposium (PIERS-Toyama). IEEE, 2018. http://dx.doi.org/10.23919/piers.2018.8597606.

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Xiao, Yumin, R. S. Amano, E. K. Lee, Youn-Suk Choi, and Jianhui Xie. "A Non-Source Term Methodology in Simulation of Solidification." In ASME 2002 International Mechanical Engineering Congress and Exposition. ASMEDC, 2002. http://dx.doi.org/10.1115/imece2002-33222.

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In this paper a non-source term method is developed to solve the energy equation. In this new method the discrete form of the energy equation remains the same and no extra source term is introduced. The mushy-zone is treated as a porous media during solidification. This method is incorporated into the existing finite volume based CFD code. Test cases analyzed in this paper include solidification of pure metal, pure metal solidification with natural convection due to the buoyancy, and binary alloy mushy flow problem with variable Cp. The calculated results are in good agreements with available
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Li, Zheng, Mo Yang, and Yuwen Zhang. "Lattice Boltzmann Method Simulation of 3-D Melting Using Double MRT Model With Interfacial Tracking Method." In ASME 2016 Heat Transfer Summer Conference collocated with the ASME 2016 Fluids Engineering Division Summer Meeting and the ASME 2016 14th International Conference on Nanochannels, Microchannels, and Minichannels. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/ht2016-7407.

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Three-dimensional melting problems are investigated numerically with Lattice Boltzmann method (LBM). Regarding algorithm’s accuracy and stability, Multiple-Relaxation-Time (MRT) models are employed to simplify the collision term in LBM. Temperature and velocity fields are solved with double distribution functions, respectively. 3-D melting problems are solved with double MRT models for the first time in this article. The key point for the numerical simulation of a melting problem is the methods to obtain the location of the melting front and this article uses interfacial tracking method. The i
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ElGafy, Ahmed, Osama Mesalhy, Khalid Lafdi, and K. Bowman. "Mathematical Model to Describe Thermal Behavior of Phase Change Materials Contained in a Cylindrical Enclosure." In ASME 2003 Heat Transfer Summer Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/ht2003-47353.

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Heat transfer processes undergoing liquid-solid phase transformation have been of continuing interest for many researchers. Phase Change Materials, (PCMs); have received great consideration in electronic industry for cooling of electronics and in telecommunication equipment to control internal temperature under emergency operating conditions. High melting temperature materials have been proposed as thermal energy storage mediums in space applications because of their high melting temperatures and latent heat. In the present work, a numerical simulation is developed to predict the thermal perfo
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Srinivasan, Vedanth. "Numerical Simulation of Melting/Solidification Phenomena Using a Multi–Fluid Modeling Approach." In ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-63841.

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In this article, a fixed-grid finite volume approach to simulate the convection-dominated solidification/melting process is presented. An Eulerian multi–fluid modeling approach is employed to track the phase change interface by obtaining solutions to governing volume fraction, momentum and energy transport equations. The liquid-solid interfacial phase transfer effects are modeled using a novel mass transfer function incorporating the latent heat modification due to the phase change process. The alterations in the local phasic fractions and the resultant cellular latent heat is correctly realiz
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Jiang, J., and Y. X. Tao. "Interaction Coefficient Between Ice Particles in Convective Melting of Granular Packed Bed." In ASME 1999 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1999. http://dx.doi.org/10.1115/imece1999-1032.

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Abstract To numerically simulate the convective melting of packed bed it is necessary to determine the thermophysical properties or their constitutive equations. One of the most uncertain values among them is the solute interaction coefficient of solid particles, which represents the interaction force between solid particles and is equivalent to the viscosity term in Navier-Stokes equations if the dirty fluid model is applied. It was found from the previous study that the solute (solid particle) interaction coefficient, μs, characterizes the solubility such as the melting rate, the distributio
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Takase, Kazuyuki, Toshiharu Muramatsu, Takahisa Shobu, and Kazuyuki Tsukimori. "Computational Simulations on Melting Process of Fine Metal Powders With Laser Irradiation Welding." In ASME 2009 International Mechanical Engineering Congress and Exposition. ASMEDC, 2009. http://dx.doi.org/10.1115/imece2009-13219.

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At the commercial use stage in sodium-cooled fast breeder reactors, securing maintenance and repair better than an equal to that of present water-cooled reactors is needed. Especially a repair technology that secures the plant integrity for long-term operation period becomes indispensable in the heat exchanger tubes of the steam generator that form the boundary of sodium and water coolants. Then the present study focused on the standardization of welding technology with a laser. An experimental study regarding the welding of a stainless steel plate with the laser using fine metal powders is be
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Prabhu, Vinit V., Ethan Languri, and Kashif Nawaz. "Experimental Validation of Mushy Zone Constant for Modeling of Solidification/Melting for Thermal Energy Storage Applications." In ASME 2020 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/imece2020-24395.

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Abstract The thermal energy storage (TES) systems use phase change materials (PCM’s) for storage and release of thermal energy. A lot of research is being conducted in recent times for fast, efficient storage and release of thermal energy using phase change materials in order to utilize the vast amount of latent heat available at constant temperature during phase change process. The numerical modeling for solidification and melting of PCM is employed in various commercial software and applied for different applications which include the solidification or melting. In the numerical simulation of
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Mani, Kasi B., Mohammad R. Hossan, and Prashanta Dutta. "Microwave Heating of Multi-Layered Composites for Bonding." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-85770.

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A detailed theoretical analysis has been carried out to study selective heating of multilayered dielectric composite under microwave heating by solving an unsteady energy equation with an electric field and frequency dependent heat source term. The source term is computed from simplified Maxwell’s equations under plane wave assumption. Analytical solution obtained from this study is used to understand the effect of layer thickness on temperature distribution in a thin layer of poly-aniline sandwiched between two polymer (PMMA) substrates. It is found that dielectric properties, sample thicknes
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Haidong, Ma, Wang Yungang, and Zhao Qinxin. "The Effect of Calcium-Bearing Mineral on Ash Melting Behavior During Zhundong Coal Combustion." In ASME 2017 Power Conference Joint With ICOPE-17 collocated with the ASME 2017 11th International Conference on Energy Sustainability, the ASME 2017 15th International Conference on Fuel Cell Science, Engineering and Technology, and the ASME 2017 Nuclear Forum. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/power-icope2017-3221.

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Two typical pulverized Zhundong coal with different calcium oxide contents in ash were selected to use in this work. The liquid nitrogen was used to cool ash rapidly at different temperatures, in order to avoid changes in mineral condition. The ash melting behavior and mineral transition mechanism, especially calcium-bearing minerals was studied by ash melting point test platform, XRD, XRF, SEM and EDS. The results showed that the different states of calcium are the dominant reasons for different sintering behaviors of coal ash. The calcium-bearing minerals in ash, such as calcium oxide (CaO),
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