Relevant bibliographies by topics / Finishing boards

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

Academic literature on the topic 'Finishing boards'

Author: Grafiati
Published: 5 June 2025
Last updated: 24 June 2025

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Journal articles on the topic "Finishing boards"

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BORYSIUK, PIOTR, ANNA TETELEWSKA, AURIGA RADOSŁAW, and IZABELLA JENCZYK-TOŁŁOCZKO. "The influence of temperature on selected strength properties of furniture particleboard." Annals of WULS, Forestry and Wood Technology 108 (October 31, 2019): 128–34. http://dx.doi.org/10.5604/01.3001.0013.7697.

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The influence of temperature on selected strength properties of furniture particleboard. As a part of the study, the influence of temperature on selected properties of furniture particleboard was tested. P2 type industrial particleboards in three finishing options: raw boards (1), boards covered with melamine film in white (2) and black (3) (10 samples per variant) have been subjected to temperatures from -20oC to +120oC, at 10oC intervals. The Time of exposure for individual temperatures was 7 days. MOR, MOE and IB were determined for tested boards. It has been shown that temperatures above 50oC have a negative effect on strength properties of boards. A large decrease in all tested parameters was observed in the temperature range from +60oC to +120oC. It was also noted that finishing boards with melamine film did not improve their durability.
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SAITO, Takeshi, and Shin-ichi WAKABAYASHI. "The Surface Finishing Technologies on Printed Wiring Boards." Journal of The Surface Finishing Society of Japan 68, no. 9 (2017): 480–87. http://dx.doi.org/10.4139/sfj.68.480.

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Kołodziej-Gajowy, Sylwia, and Magdalena Garcarek. "TILT AND SLIDING DOOR SYSTEM, NEW SOLUTIONS." Space&FORM 2022, no. 49 (2022): 23–40. http://dx.doi.org/10.21005/pif.2022.49.b-02.

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The aim of the research was to develop and implement both on the domestic and international market the compact system technology, i.e. a system of tilt and sliding doors inside the premises with replaceable finishing panels with skirting and perimeter strips. As a result of these studies, new technological solutions were created in relation to traditional doors, eliminating limitations as to height, width, weight and type of finishing material on the door and integrated skirting boards. The research was carried out according to the TRL scheme - technological readiness levels.
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Hokanson, Taylor, and Nick Bontrager. "Good Artists Torrent, Great Artists Fork." Media-N 15, no. 2 (2019): 1–4. http://dx.doi.org/10.21900/j.median.v15i2.74.

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In this workshop, Professors Nick Bontrager and Taylor Hokanson introduce the tools and services required to fabricate printed circuit boards, or PCBs. The process is more accessible than ever before, and is cheap enough to allow individuals to obtain functional prototypes, in small quantities, that are indistinguishable from similar PCBs that might be produced in the hundreds of thousands for industry or commercial applications. Using an “unpopulated” demonstration board designed by the workshop co-chairs, participants walk through all the steps needed to assemble and solder surface-mount components, finishing the event with a battery-operated, wearable, LED light display.
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OKUNO, Kazuyoshi. "Special Issue/Recent Trend and Future of Surface Finishing for Printed Wiring Boards Reviews. Surface Finishing of Printed Wiring Boards. Mainly on Electroless Plating." Journal of the Surface Finishing Society of Japan 44, no. 7 (1993): 578–82. http://dx.doi.org/10.4139/sfj.44.578.

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Gliniak, Maciej, Tomasz Dróżdż, Sławomir Kurpaska, and Anna Lis. "Using Geiger Dosimetry EKO-C Device to Detect Ionizing Radiation Emissions from Building Materials." Sensors 21, no. 2 (2021): 645. http://dx.doi.org/10.3390/s21020645.

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The purpose of the article is to check and assess what radiation is emitted by particular building materials with the passage of time. The analysis was performed with the EKO-C dosimetry device from Polon-Ekolab. The scope of the work included research on sixteen selected construction materials, divided into five groups. The analysis of the results showed that samples such as bricks (first group) and hollow blocks (second group) emit the highest radiation in the tested objects. When comparing these materials, the highest value was recorded when measuring the ceramic block of 15.76 mSv·yr−1. Taking into account the bricks, the highest value of radiation was shown by a full clinker brick, 11.3 mSv·yr−1. Insulation materials and finishing boards are two other groups of building materials that have been measured. They are characterised by a low level of radiation. In the case of materials for thermal insulation, the highest condition was demonstrated by graphite polystyrene of 4.463 mSv·yr−1, while among finishing boards, the highest value of radiation was recorded for the measurement of gypsum board of 3.76 mSv·yr−1. Comparing the obtained test results to the requirements of the Regulation of the Council of Ministers on ionizing radiation dose limits applicable in Poland, it can be noted that the samples examined individually do not pose a radiation risk to humans. When working with all types of samples, the radiation doses are added up. According to the guidelines of the regulation, the total radiation dose does not exceed 50 mSv·yr−1 and does not constitute a threat to human health.
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Tsvetkov, V. E., A. E. Anokhin, M. Yu Ekimova, and O. P. Machneva. "Influence of paper type on processes of impregnation and lamination of wood-based boards." Adhesives. Sealants. Technologias, no. 12 (2021): 34–40. http://dx.doi.org/10.31044/1813-7008-2021-0-12-34-40.

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The results of studies evaluating the influence of a type of penetrated paper on the processes of impregnation and hot lamination of wood-based board materials are presented. A woodchip board was used as a base to carry out the hot lamination for the finishing process of materials. After this process, the woodchip board is named «laminated woodchip board». Papers of different manufacturers, papers’ main properties and technological characteristics were tested.
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Kirilovs, Edgars, Laura Krūklīte, Silvija Kukle, and Zane Zelča. "Nanolevel Finishing for Veneered Products." Environment. Technology. Resources. Proceedings of the International Scientific and Practical Conference 1 (June 16, 2015): 56. http://dx.doi.org/10.17770/etr2015vol1.198.

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<p class="R-AbstractKeywords"><span lang="EN-US">Wood veneer is mainly used for interior decoration applications in many different segments. It's ideal for residential projects, hotel projects, offices giving to the any interior a unique look and feel. In addition, veneer is also processed to create a variety of products such as veneer parquet, flexible veneer sheets, wood veneer boards, wood veneer wallpaper, etc. From the other side, veneered surfaces will always to a greater or lesser degree could change color, particular upon exposure to natural and artificial light. The degree of color change will depend on such factors as the species chosen, the coating type used and intensity and period of the exposure to light. In addition, conventional finishes have a tendency to yellow with age which can have quite dramatic effects on the original color of the selected timber. To minimize these effects new finishes have to be developed. In the paper new, unvisible nanolevel coating for veneer finish based on the sol-gel process is offered. It is known that the sol–gel technique is an established industrial process for the generation of colloidal nanoparticles from liquid phase, which has been further developed in last years for the production of advanced coatings. It is well adapted for oxide nanoparticles and composites synthesis. The main advantages of sol-gel techniques are comparable low processing temperatures offering unique opportunities for access to organic and inorganic materials. The sol synthesis and application technology as well protective properties of coating will be discussed. </span></p>
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Henke, Milena, Barbara Lis, and Tomasz Krystofiak. "Evaluation of Surface Roughness Parameters of HDF for Finishing under Industrial Conditions." Materials 15, no. 18 (2022): 6359. http://dx.doi.org/10.3390/ma15186359.

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One of the most important properties of the surface of wood-based panels is their roughness. This property determines the way of working with the material in the processes of gluing and surface varnishing. The aim of this study was to determine the effect of various sanding belt configurations and the feeding speed of the conveyor belt during grinding on the surface roughness of high-density fiberboards (HDF). The research material was prepared under industrial conditions. Three types of boards were selected for the tests. After grinding, the roughness parameters were measured both transversely and longitudinally relative to the grinding direction, using a Mitutoyo SJ-210 profilometer and the optical method. Based on ANOVA analysis of the data, it was found that the type of HDF boards used and the configuration of the abrasive belts had a statistically significant impact on the roughness. The samples for which the grinding process was performed with sanding belts of the highest grain size had the lowest roughness. For the amplitude roughness parameters, the direction of roughness measurement had a significant influence. These results may provide valuable guidance for the furniture industry in the preparation of HDF for furniture production.
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Eskin, Vladislav D., Vladimir N. Ermolin, and Anna I. Krivorotova. "Structural Boards Made of Hydrodynamically Activated Pine (Pinus sylvestris) Bark without Binders." Lesnoy Zhurnal (Forestry Journal), no. 5 (October 18, 2024): 175–87. http://dx.doi.org/10.37482/0536-1036-2024-5-175-187.

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Bark is a large-tonnage waste in a number of wood processing technologies requiring efficient use. One of the promising areas of bark use is the production of boards without synthetic binders. Research has been conducted on the production of structural boards from Pinus sylvestris bark without a binder. The method is based on preliminary hydrodynamic activation of bark. The initial bark undergoes primary crushing in a hammer mill. After that, it is mixed with water at a concentration of 6 %. Then the resulting mass is activated in a rotary pulsation disperser, a carpet is formed from it, cold pressing is carried out, and then hot pressing. As a criterion for assessing the degree of mass activation, water-retaining capacity is adopted. The dependencies have been determined between the duration of treatment and water-retaining capacity, as well as the strength of the boards and water-retaining capacity. The latter made it possible to obtain the optimal value of the water-retaining capacity equal to 290 %. A multifactorial experiment has been conducted to develop the optimal hot pressing mode. As a result, the optimal mode for pressing the boards has been determined: temperature – 190 °C; specific process duration – 2.8 min/mm; pressing pressure – 4.4 MPa. The properties of the boards produced in this mode are: density – 980 kg/m 3 ; bending strength – 24 MPa; swelling during soaking for 24 hours – 5 %; water absorption – 9 %. After soaking and subsequent drying to a moisture content of 5 %, the boards retain 75 % of their before soaking. In this case, the geometric dimensions return to the original ones. The resulting boards can be used as a sheet finishing and structural material, in house-building (as a base for floor and roofing materials), in furniture production, especially in severe temperature and humidity conditions. The conducted research shows the possibility of producing board materials with high performance properties from pine bark without binders.
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Dissertations / Theses on the topic "Finishing boards"

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Otten, Caroline [Verfasser], Sven [Akademischer Betreuer] Dänicke, Annette [Akademischer Betreuer] Zeyner, and Klaus [Akademischer Betreuer] Eder. "Effects of varying supply of essential amino acids and energy on voluntary feed intake, performance, nitrogen retention and chemical body composition of growing-finishing boars / Caroline Otten. Betreuer: Sven Dänicke ; Annette Zeyner ; Klaus Eder." Halle, Saale : Universitäts- und Landesbibliothek Sachsen-Anhalt, 2014. http://d-nb.info/1050977629/34.

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Chen, Po-You, and 陳帛佑. "The Application of Electroless Pure Palladium Deposition for Surface Finishing on Print Circuit Boards." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/60327369628005553814.

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碩士<br>國立清華大學<br>化學工程學系<br>97<br>我們的研究主要是在於開發一項替代性的表面處理製程，以改善印刷電路板工業上傳統金薄膜之表面處理製程的缺失。這項替代製程為：在銅基板上直接沉積一層無電鍍純鈀，其可以達到降低製程成本以及複雜度的目的。 　　為了檢視這項製程的效果，首先我們必須發展出一個可用的無電鍍純鈀鍍液。此鍍液的組成為：以氯化鈀作為鈀沉積層的來源，以乙二胺或檸檬酸鈉作為錯合劑，並且以甲酸鈉作為還原劑。 　　由紫外－可見光譜的結果顯示，乙二胺本身的pH值對於他的錯合能力有很大的影響。如果我們把乙二胺調至酸性條件下，其質子化的胺基會使他對鈀離子的錯合能力降低。因此我們可以鍍出以置換反應為主的鈀鍍層。但如果我們把pH值保持在乙二胺原本的強鹼性條件下，則會有乙二胺－鈀離子的強錯合物產生。因此我們可以得到以自催化還原反應為主的鈀鍍層。 以檸檬酸鈉作為錯合劑的鍍液系統相較於乙二胺系統有較好的穩定性，而鈀離子與檸檬酸鈉間的最佳比例為1:50。如果我們用氨水把鍍液的pH值調到6∼8，則能到較強的檸檬酸鈉－鈀離子錯合物。但若用氫氧化鈉來調整pH則無額外的錯合效果。這是因為氨水分子中所含的胺基也有錯合能力的緣故。而由實驗顯示，此系統之純還原鍍鈀液在pH=6以及65℃.時會有最好的浸鍍活性。 由XRD的結果顯示，檸檬酸鈉系統的無電鍍鈀層為一多晶薄膜。但由於純置換的活化鈀層厚度太薄，因此鈀的訊號很弱而銅的訊號明顯。此外，打線能力測試結果顯示其拉力幾乎都大於6 cN，可通過工業上的評量標準。
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Books on the topic "Finishing boards"

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Simmons, Walter J. Finishing. 2nd ed. Duck Trap Press, 1999.

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Agency, Ireland Environmental Protection. Integrated pollution control licensing: BATNEEC guidance note for the manufacture of integrated circuits and printed circuit boards. Environmental Protection Agency, 1996.

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Wittman, Rebecca J. Brightwork: The art of finishing wood. 2nd ed. McGraw Hill, 2007.

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Wittman, Rebecca J. Brightwork: The art of finishing wood. 2nd ed. McGraw Hill, 2007.

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Pagel, Paul. Modifications to reduce drag out at a printed circuit board manufacturer. Risk Reduction Engineering Laboratory, Office of Research and Development, U.S. Environmental Protection Agency, 1992.

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California State University, Sacramento. Office of Water Programs., ed. Treatment of wastewater from electroplating, metal finishing, and printed circuit board manufacturing. Foundation of California State University, Sacramento, 1986.

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7

Alberta Research Council. Industrial Technologies Dept. Forest Products Program., Danada Forestry Canada, Alberta Forest Service, and Canada-Alberta Forest Resource Development Agreement., eds. Coatings and embossed panels, FP 2.5.1. Forestry Canada, 1988.

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Alberta Research Council. Industrial Technologies Dept. Forest Products Program., Canadian Forestry Service, Alberta Forest Service, and Canada-Alberta Forest Resource Development Agreement., eds. Coatings and embossed panels: FP 2.5.1. Canadian Forestry Service, 1987.

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Simmons, Walter J. Finishing. 2nd ed. Duck Trap Pr, 2003.

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Recommended Specifications for the Application and Finishing of Gypsum Board. Gypsum Assn, 1991.

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Book chapters on the topic "Finishing boards"

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Holik, Herbert, and Rüdiger Feldmann. "Finishing." In Handbook of Paper and Board. Wiley-VCH Verlag GmbH & Co. KGaA, 2006. http://dx.doi.org/10.1002/3527608257.ch8.

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Feldmann, R¨︁diger. "Finishing." In Handbook of Paper and Board. Wiley-VCH Verlag GmbH & Co. KGaA, 2013. http://dx.doi.org/10.1002/9783527652495.ch21.

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Sung, Jung Yeol, Opeadura Timileyin Osunbami, and Olayiwola Adeola. "Developing nutritional guidelines for pigs." In Advances in pig nutrition. Burleigh Dodds Science Publishing Limited, 2024. http://dx.doi.org/10.19103/as.2024.0140.05.

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Pig feeding and nutrition is a crucial aspect of pig farming, as it directly impacts growth, health, and productivity from birth to market weight. In this chapter the authors consider the key factors in the setting of nutritional guidelines, such as breed and genetic traits affecting nutrient and energy requirements, production goals, and growth stage and weight. Discussion then moves to how to formulate diets to maximise feed efficient and performance while still minimising nutrient excretion. Here the authors consider the diets of nursery pigs, growing-finishing pigs, boars, and gilts and sows. Finally, the authors examine the key challenges in formulating nutritional guidelines and their potential solutions. These challenges include heat stress, the presence of toxigenic fungi and mycotoxins in feed ingredients, post-weaning diarrhoea, and the potential detrimental effect of high dietary leucine concentration.
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Dusinberre, William. "The Capitalist as Rice Planter." In Them Dark Days. Oxford University PressNew York, NY, 1996. http://dx.doi.org/10.1093/oso/9780195090215.003.0011.

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Abstract Such was the fame of Robert Allston’s “Celebrated Georgetown [rice] seed” (grown on South Carolina’s Pee Dee River seventy miles north of Charleston) that in 1858 the penny-pinching Charles Manigault had paid a 37 percent premium, and taken considerable trouble, to get his hands on a supply.1 The times were good for Allston. In 1853 his rice alone sold for $43,500 (yielding a net revenue of perhaps $35,000).2 At that time the most prosperous merchant in Charleston could hope for little more than $16,000 profits in a year, and the best-paid Charleston lawyer earned no more than about $9,000. Allston-keen to lure his son Benjamin into planting, and to consolidate his own operations-in 1859 bought (or assumed liability for the purchase of) some 192 slaves.3 About this time he was also buying 450 additional acres of rice land for himself and Benjamin. He was a hardworking man who, unlike many of his rich neighbors, eschewed Charleston during the long summers, residing instead at Pawleys Island on the Atlantic, whence he could journey often to supervise personally the management of his estate. When Adele Petigru-a member of one of the liveliest families in Charleston-had married Allston in 1832, she knew she was exiling herself for most of the year from South Carolina’s social capital, and her sisters had tried to dissuade her from doing so. Beginning in about 1855, however, Allston’s daughters were sent to Charleston to Madame de Togno’s finishing school (where all the boarders had to speak French); and in 1857 Allston bought what was reputed “the finest establishment in Charleston.”
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Conference papers on the topic "Finishing boards"

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Brusic, Vlasta. "Corrosion Inhibitors in the Electronic Industry." In CORROSION 1996. NACE International, 1996. https://doi.org/10.5006/c1996-96235.

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Abstract The most widely used inhibitors in the electronics industry are chromates, phosphates, and silicates in chip processing and azoles in printed circuit board (PCB) fabrication. Azoles are the principal constituents of Organic Solderability Preservatives (OSPs) used on bare copper that could replace Hot Air Solder Leveling (HASL). For years HASL has been the most prevalent surface finishing process in PCB fabrication. This process is currently under scrutiny, because of safety and environment concerns (lead exposure, waste disposal), process limitations (stress, extendibility to fine-pitch device assembly), and cost. The use of azoles is a cost-effective solution to these concerns but it is also a source of new ones. Aside from being typical corrosion inhibitors, the azoles are expected to provide protection to a copper surface against thermal oxidation yet at higher temperatures inhibitors themselves are not stable. The challenge of bringing azoles to PCB manufacture has resulted in close interaction of the board shop, assembly customer, and the OSP chemistry suppliers. This paper is an overview of the relevant work in which a compromise between process demands and achievable inhibitor performance is discussed.
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Kozłowski, Aleksander, Tomasz W. Siwowski, and Tomasz Kozłowski. "Low-cost affordable single family housing in Poland. Light steel frame as an alternative construction solution." In IABSE Congress, New York, New York 2019: The Evolving Metropolis. International Association for Bridge and Structural Engineering (IABSE), 2019. http://dx.doi.org/10.2749/newyork.2019.0228.

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&lt;p&gt;Conventional single family houses in Poland are being built in the improved traditional construction technology with massive load-bearing structure created by masonry walls made of ceramic , silicate or aerated concrete blocks, concrete foundations, concrete rib-and-slab floor and pitched timber or concrete flat roof. Expanded polystyrene and mineral wool are being used as thermal insulation. Such solution is very time- consuming and costly due to more and more expensive manpower. The change in economy from communism to free market caused the beginning of modern thinking about construction technology for family house to be light, eco-friendly, innovative and low-cost. The definition of the term “affordable” in relation to single family housing, as well as the socio-economical background for the low-cost housing in Poland is presented. The paper presents proposal of low-cost family house construction built in light steel frame technology. The supporting structure is composed of steel frame made of cold-formed galvanized C shape profiles. Externally the steel frame is covered with cement bonded particle boards, covered with polystyrene insulation and finishing coat according to ETICS system. From the inside the steel frame is covered with plasterboards. The main thermal insulation of the building is created by mineral wool filling the interior spaces of walls, ceiling and roof panels. Comparison of the total construction costs of a 136 sq m building made in light steel frame technology with buildings of identical dimensions made in other, popular and available traditional technologies showed that a steel technology is approx. 10-20 percent cheaper. The paper presents also the comparison of the low-cost model steel structure houses worked out in Czech Republic, Portugal, Romania and Brazil, including technical parameters, structure type and cost of erection.&lt;/p&gt;
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Hackenberg, Daniel, Robert Harper, Robert Ferrara, et al. "NSWCCD Maneuvering and Seakeeping Basin (MASK) Wavemaker Fabrication and Installation." In SNAME 29th American Towing Tank Conference. SNAME, 2010. http://dx.doi.org/10.5957/attc-2010-020.

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The design, and ongoing development and fabrication of a new segmented flap-type wavemaker array and associated powering, monitoring, control, and safety systems for the Naval Surface Warfare Center, Carderock Division’s (NSWCCD) Maneuvering and Seakeeping Basin (MASK) represents a major technological improvement to the existing wave generation capabilities at the facility. The new wavemaker, comprised of 216 individual wave boards configured as a dry-backed continuous array, incorporates a robust modular electromechanical design, with both position and force-based absorption feedback capabilities, and uses a programmable computer-based wave generation, monitoring, control, and visualization system. An industry technical team comprised of six different companies, in collaboration with NSWCCD facilities and hydrodynamic engineers and scientists have completed detailed design analyses and documentation. This high-visibility program draws on broad technical disciplines including mechanical, electrical, ocean, civil, construction, corrosion, computer, and software engineering expertise, as well as program management and administrative support. The completion of final design documentation, using both 2- and 3-dimensional drawing and modeling techniques, has led to the next phase of system development involving the fabrication, assembly, and design validation of subsystem and component level prototype hardware as well as the fabrication and assembly of long-lead production hardware. Ongoing work includes the off-site fabrication of all mechanical subsystems and components; electric drive, monitoring, communications and control electronics and enclosures; and definition of wavemaker-to-basin mounting structures and the physical interfaces necessary to install the wavemaker system. The size and scope of this project is significant, both in terms of design effort as well as material and fabrication requirements. For example, the finished MASK Basin wavemaker installation will include over 80 tons of stainless and galvanized structural steel, over 65,000 pounds of reinforced fiberglass and over 500 cubic yards (50 truck loads) of poured concrete to support the new wavemaker structures. This paper provides an overview of the wavemaker system design/build process and a current status on the fabrication and assembly of all major system components. Specific topics discussed include: The review and status of overall manufacturing plans and fabrication/ installation schedules. The development of detailed design, manufacturing, and assembly drawings, and fabrication and QA procedures. Materials qualification and selection considerations to meet operational life and maintenance requirements. The lay-up, fabrication, and finishing of large-scale reinforced fiberglass wave paddles. Laser cutting and machining of stainless steel mechanical components. Prototype mechanical hardware fabrication and fitment validation. The assembly of production quantity hardware assemblies and electronic control enclosures
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Fess, E., and J. Ruckman. "Deterministic Microgrinding of Aspheres." In Optical Fabrication and Testing. Optica Publishing Group, 1998. http://dx.doi.org/10.1364/oft.1998.owa.3.

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The Moore Asphere Grinder was designed and built by Moore Tool (Bridgeport, CT) with inputs from the COM-led Machine Technical Advisory Board. The scope of this latest COM machine development project was to design and build a cost effective, high precision machine that would deterministically microgrind aspheric optical components in brittle optical glass materials. The ground surfaces had to be compatible with COM and QED-developed magnetorheological finishing processes. Moore Tool’s design goals were to design a machine dedicated to grinding aspheres up to 100mm in diameter in a production environment (see page 2 for machine specifications). With the new capabilities of this grinder and the magnetorheological finishing process, COM’s goal was to demonstrate a 10x reduction in the cost of asphere fabrication.
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Liedes, Jyrki, and Rank Pneumo. "Opticam PM Machine Design." In Optical Fabrication and Testing. Optica Publishing Group, 1992. http://dx.doi.org/10.1364/oft.1992.tuc8.

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Rank Pneumo has worked with the Center for Optics Manufacturing and the Center's Manufacturing Advisory Board to design a multi-axis prism grinding machine. The Opticam PM is a three axis, high precision CNC reciprocating grinder. It is designed for the automated manufacturing of glass prisms. Unique features of the design incorporate electrolytic in-process dressing1 of the finishing wheel, a frictionless hydrostatic reciprocating cylinder, and machine resident metrology to provide RQM (Real-time Quality Management).
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Cowels, Sundiata. "From Aerodyne to Vectodyne: The Quest for the Optimum, High Speed VTOL Transport." In Vertical Flight Society 79th Annual Forum & Technology Display. The Vertical Flight Society, 2023. http://dx.doi.org/10.4050/f-0079-2023-18084.

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Vertol Aircraft Corporation's Vectodyne concept (based on the theories of re-known aerospace engineer Dr. Alexander Lippisch and other lesser known inventors) was a tubular wing, dual contra-rotating, propeller driven aircraft design that never left the drawing board. It was created in answer to a 1956 U.S. Army request for unconventional VTOL Tactical Transport weight and performance proposals that would offer direction in the development of a new type of cargo aircraft that would potentially be deployed within the 1962-1965 timeframe. This paper will address the aerodyne origins of the Vectodyne, its strengths, weaknesses and dismissal, and finishing with the vindication flight of the propulsive technology behind its design via a single engine surveillance drone, ending with the question, "After fifty years of false starts, is the Vectodyne a viable concept with today's technology?"
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7

Azzouz, M. Salim, and Jan Brink. "Twists and Turns of a Senior Design Project." In ASME 2016 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/imece2016-66194.

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Teaching senior design courses and labs has not been an easy task for the two authors. It has been rather a daunting working task associated with great learning experiences. It was decided early on from the initiation of the mechanical engineering program at the McCoy School of Engineering at Midwestern State University that the senior design project within the senior design class is a testing and enriching experience for senior mechanical engineering students as well as the teaching faculty. The senior design course and labs are conducted as a research experience for undergraduate students and their assigned faculty. The proposed senior project spans over two semesters, fall and spring, where the students experience a full mechanical engineering related project from the inception phase, through the design and construction phases, and finishing with the testing and analysis phases. The inception phase stands essentially for the brainstorming phase where the students are required to come-up with a set of diverse solutions to their assigned project problem. The design and construction phases stand for choosing an optimal particular solution for their problem according to a set of defined criteria. Then, the students start the preliminary design phase with related cost estimation, and then finalize the design with a set of final drawings. After the design phase, the students start building a machine, an apparatus, a prototype or putting together the elements of a process. In this period they work intensely, with their faculty, the purchasing department, and mostly the department machinist, or the surrounding town machine shops. The testing and analysis phase stands for designing an experimental set-up, writing a testing procedure, and obtaining real time recorded data and proceeding with its analysis. In this technical paper, the authors talk about the requirements for a senior project known as the deliverables, the teaching tools used throughout the class work and labs, the students’ partial and final PowerPoints presentations and weekly and final reports. The authors describe the students overall achievements, and the archiving of the projects. Additionally, the authors talk about the twists and turns encountered during a senior project, with students, other faculty, the machinist, the lab technician, the secretary, and suppliers, and other difficulties experienced in running a full project with real final products. Finally, the authors talk about the aftermath of a senior project, eventual publications related to the project, and what is the view point of the American Board of Engineering and Technology (ABET) on these senior projects.
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8

Banacky, Pavol, Stefan Buchta, Milan Zatkulak, Milan Breza, and Arnold Adamek. "Method and Technology Applied at the Processing and Stabilization of Intermediate-Level Radioactive Chromate-Sulphuric Acid Within the Project of Decommissioning of the Nuclear Power Plant-A1 at Jaslovske Bohunice." In ASME 2001 8th International Conference on Radioactive Waste Management and Environmental Remediation. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/icem2001-1311.

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Abstract At the decommissioning of the nuclear power plant A1 (NPP-A1) at Jaslovske Bohunice, the radioactive (RA) waste of different physical and chemical characteristics has to be treated. A part of this waste cannot be stabilized directly by standard – running technologies for RA waste treatment installed in Jaslovske Bohunice. Among the most specific was, an extremely reactive, concentrated chromate-sulphuric acid (CSA) that had been used as a strong oxidizing agent for cleaning technological heavy-water tanks more than 15 years ago. Prior to solve the problem of radioactive elements stabilization for long-term disposal, it was necessary to solve the problem of CSA chemical stabilization. With respect to radiation safety regulations, the direct neutralization of CSA with strong bases was excluded from the very beginning because of the extremely strong exothermic character of the reaction and the possibility of thermal explosion. After laboratory experiments, with both the inactive simulants and real CSA, the neutralization of undiluted CSA with a hydrate of secondary salt of ortho-phosphoric acid was found to be the best solution. The reaction of 96 w% sulphuric acid/CSA with a powder form of the phosphate salt is calm, fast enough, slightly exothermic, and yields the reaction product in the powder form. More over, the main part of the radioactive elements that are contaminants of the CSA undergo during this process chemical transformation into very slightly soluble phosphate structures. The powder form of the reaction product is, in the next step, immobilized into the solid matrix by cementation technology. Besides the Portland cement (PC), the powder of calcium hydroxide is also introduced. This reacts in the cement slurry with primary phosphates and converts them into less soluble secondary phosphates, and also enables to form apatite structures at the process of cement slurry hardening. As a result, the contaminating radioactive ions, are immobilized not only physically within the solid matrix, but they are also chemically bound into stable and very slightly soluble chemical structures. Based on the described method, the technology was build-up in the area of the nuclear power plant. The core of the technology is the chemical reactor with the coat-cooler, stirring device, and input jets for liquid media, input device for solid/powder media and output device for emptying the reactor vessel. The technological process is managed from the central control board. Processed CSA is injected/spaterred into the reactor vessel with stirred phosphate salt. After finishing neutralization reaction, indicated by the time-dependent temperature profile, the powders of PC and calcium hydroxide are introduced and homogenized with the reaction product. The last step is an injection of water, formation of cement slurry that is permanently stirred, and finally emptied-out into 200 l barrel where slurry is left to harden. By this, cyclic batch-based technological regime, the total amount of stored-contaminated CSA was processed, and 20 barrels, each of 200 l, of immobilized/stabilized – hardened radioactive waste have been prepared for long-term disposal. The amount of embedded salts into the cement matrix was chosen as to fulfill the acceptance criteria for the Slovak radioactive waste repository at Mochovce.
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Reports on the topic "Finishing boards"

1

Johnson, L. E. Plutonium Finishing Plant Final Safety Analysis Report Functional Safety Review Board and Fluor Daniel Hanford Review Report. Office of Scientific and Technical Information (OSTI), 1999. http://dx.doi.org/10.2172/1579343.

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