Bibliografias temáticas / Bundle separation

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Literatura científica selecionada sobre o tema "Bundle separation"

Autor: Grafiati

Publicado: 4 de junho de 2021

Última modificação: 11 de fevereiro de 2022

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Artigos de revistas sobre o assunto "Bundle separation"

Meyer, N., A. N. Hrymak, and L. Kärger. "Modeling Short-Range Interactions in Concentrated Newtonian Fiber Bundle Suspensions." International Polymer Processing 36, no. 3 (2021): 255–63. http://dx.doi.org/10.1515/ipp-2020-4051.

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Abstract Sheet Molding Compounds (SMC) offer a cost efficient way to enhance mechanical properties of a polymer with long discontinuous fibers, while maintaining formability to integrate functions, such as ribs, beads or other structural reinforcements. During SMC manufacturing, fibers remain often in a bundled configuration and the resulting fiber architecture determines part properties. Accurate prediction of this architecture by simulation of flow under consideration of the transient rheology and transient fiber orientations can speed up the development process. In particular, the interacti

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Sadikin, Azmahani, and Norasikin Mat Isa. "Flow Separation Prediction in a Single-Phase Flow in an Inline Tube Bundles." Applied Mechanics and Materials 465-466 (December 2013): 608–12. http://dx.doi.org/10.4028/www.scientific.net/amm.465-466.608.

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The vertical single-phase flow was studied on the shell side of a horizontal tube bundle. In the present study, CFX version 14.0 from ANSYS was used to predict the flow regimes in the two tube bundles; i.e. the 19 mm and 38 mm arranged in an in-line configuration with a pitch to diameter ratio of 1.32. The simulations were undertaken to inform on how the fluid flowed within the tube passages in different tube bundle diameter that gives different gaps between the tubes, where the fluid must pass. The results show that the maximum gaps between the tubes have no clear effect to the flow where the

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Tilney, Lewis G., Patricia S. Connelly, Kelly A. Vranich, Michael K. Shaw, and Gregory M. Guild. "Regulation of Actin Filament Cross-linking and Bundle Shape in Drosophila Bristles." Journal of Cell Biology 148, no. 1 (2000): 87–99. http://dx.doi.org/10.1083/jcb.148.1.87.

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Previous studies demonstrate that in developing Drosophila bristles, two cross-linking proteins are required sequentially to bundle the actin filaments that support elongating bristle cells. The forked protein initiates the process and facilitates subsequent cross-linking by fascin. Using cross-linker–specific antibodies, mutants, and drugs we show that fascin and actin are present in excessive amounts throughout bundle elongation. In contrast, the forked cross-linker is limited throughout bundle formation, and accordingly, regulates bundle size and shape. We also show that regulation of cross

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Lin, Chuan Ju. "Concurrent and Separate Grade-Bundles with a Common Grade Sample Linking Designs for Vertical Scaling." Advanced Materials Research 108-111 (May 2010): 1348–53. http://dx.doi.org/10.4028/www.scientific.net/amr.108-111.1348.

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Mathematics tests of multiple-choice items for grades 2 through 6 were vertically scaled with the three-parameter logistic model using two different linking procedures: concurrent and separate by grade bundles. This research implements two designs under the separate by grade bundles procedure: grade bundle of two grades and grade bundle of three grades. All the items were calibrated using the 3-parameter logistic model (3-PLM) in the computer program, Bilog-MG with Grade 4 as the reference group. Under the separate grade-bundles method, the mean/sigma of the ability (i.e., θ) transformation me

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Janson, Marcel E., Thanuja Gangi Setty, Anne Paoletti та P. T. Tran. "Efficient formation of bipolar microtubule bundles requires microtubule-bound γ-tubulin complexes". Journal of Cell Biology 169, № 2 (2005): 297–308. http://dx.doi.org/10.1083/jcb.200410119.

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The mechanism for forming linear microtubule (MT) arrays in cells such as neurons, polarized epithelial cells, and myotubes is not well understood. A simpler bipolar linear array is the fission yeast interphase MT bundle, which in its basic form contains two MTs that are bundled at their minus ends. Here, we characterize mto2p as a novel fission yeast protein required for MT nucleation from noncentrosomal γ-tubulin complexes (γ-TuCs). In interphase mto2Δ cells, MT nucleation was strongly inhibited, and MT bundling occurred infrequently and only when two MTs met by chance in the cytoplasm. In w

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Kiat, W. Y., K. Yamamoto, and S. Ohgaki. "Optimal Fiber Spacing in Externally Pressurized Hollow Fiber Module for Solid Liquid Separation." Water Science and Technology 26, no. 5-6 (1992): 1245–54. http://dx.doi.org/10.2166/wst.1992.0567.

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Flux decline and clogging mechanism in hollow fiber bundle by activated sludge and kaolin clay suspensions were investigated experimentally. Filtration characteristics of hollow fiber bundles consisting of 10 fiber threads but different in packing density were observed. The main reason for severe flux decline was due to the accumulation of particles at the space in between fibers. The results showed that there was no particle accumulation when fiber packing density β was lower than a critical value βa. Maximum filtration flux and maximum membrane productivity Q/Vr,which is defined as the filtr

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Li, Yao, Haiqing Si, Jingxuan Qiu, Yingying Shen, Peihong Zhang, and Hongyin Jia. "CFD-based structure optimization of plate bundle in plate-fin heat exchanger considering flow and heat transfer performance." International Journal of Chemical Reactor Engineering 19, no. 5 (2021): 499–513. http://dx.doi.org/10.1515/ijcre-2020-0219.

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Abstract The plate-fin heat exchanger has been widely applied in the field of air separation and aerospace due to its high specific surface area of heat transfer. However, the low heat transfer efficiency of its plate bundles has also attracted more attention. It is of great significance to optimize the structure of plate-fin heat exchanger to improve its heat transfer efficiency. The plate bundle was studied by combining numerical simulation with experiment. Firstly, according to the heat and mass transfer theory, the plate bundle calculation model of plate-fin heat exchanger was established,

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Gurjarpadhye, Abhijit, Kenneth W. Hewett, Charles Justus, et al. "Cardiac neural crest ablation inhibits compaction and electrical function of conduction system bundles." American Journal of Physiology-Heart and Circulatory Physiology 292, no. 3 (2007): H1291—H1300. http://dx.doi.org/10.1152/ajpheart.01017.2006.

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Retroviral and transgenic lineage-tracing studies have shown that neural crest cells associate with the developing bundles of the ventricular conduction system. Whereas this migration of cells does not provide progenitors for the myocardial cells of the conduction system, the question of whether neural crest affects the differentiation and/or function of cardiac specialized tissues continues to be of interest. Using optical mapping of voltage-sensitive dye, we determined that ventricles from chick embryos in which the cardiac neural crest had been laser ablated did not progress to apex-to-base

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Кулаков, В. В., Д. С. Шмелев, А. Н. Иванова та А. К. Голубков. "Особенности конструирования углерод-углеродных композитов фрикционного назначения, изготовленных аэродинамическим методом, на основе дискретных волокон". Механика композиционных материалов и конструкций 27, № 2 (2021): 261–71. http://dx.doi.org/10.33113/mkmk.ras.2021.27.02.261_271.07.

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The designing of carbon-carbon composites (СCС) for friction use is an important problem, since the existing approaches are applicable only to technologies for obtaining materials using continuous fiber in the form of tapes and fabrics and are not suitable for products with chaotic reinforcement by short fibers, the use of which improves the mechanical characteristics of ССС both under static and dynamic influences. Also, this technology has economic advantages due to the use of cheaper raw materials and a significant reduction in the time of the molding stage in the presence of comparable phy

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Deeb, Rawad. "Effect of angle of attack on heat transfer and hydrodynamic characteristics for staggered drop-shaped tubes bundle in cross-flow." Proceedings of the Russian higher school Academy of sciences, no. 3 (December 18, 2020): 21–36. http://dx.doi.org/10.17212/1727-2769-2020-3-21-36.

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Tube bundles can be used as a separation heat exchanger in the organic Rankine cycle power plants (ORC), while the hot gas passes over the outer surface, and the working substance ORC flows inside the tubes. A numerical study has been conducted to clarify heat transfer and hydrodynamics of a cross-flow heat exchanger with staggered drop-shaped tubes at different flow angles of attack in comparison with circular tubes of the same equivalent diameter. The study was performed for the Reynolds number Re= 1.8  103 ~ 9.4  103, the longitudinal and transverse spacing of the tubes in the bundle are

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Mais fontes

Teses / dissertações sobre o assunto "Bundle separation"

Mäder, Thomas, Daisy Nestler, Susann Scheffler, and Bernhard Wielage. "Verfahren zur Vereinzelung von Kohlenstofffasern aus Rovings." Universitätsbibliothek Chemnitz, 2013. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-118839.

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Für die elektrochemische Mikrobearbeitung superharter Werkstoffe, die Herstellung von faserbasierten Sensoren und die komplexe Funktionalisierung von faserverstärkten, polymeren Verbundwerkstoffen werden endlose Kohlenstoffeinzelfasern benötigt. Kohlenstofffasern werden in den jeweiligen Herstellungsprozessen (PAN und Pech) immer nur im Bündel gefertigt und angeboten. Einzelne Kohlenstofffasern sind nicht verfügbar. Für die Vereinzelung von Kohlenstofffasern aus dem Bündel wurden verschiedene Verfahren voruntersucht. Anschließend wurde auf Basis der Verfahren mit dem höchsten Vereinzelungspote

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Mäder, Thomas, Daisy Nestler, Susann Scheffler, and Bernhard Wielage. "Verfahren zur Vereinzelung von Kohlenstofffasern aus Rovings." Technische Universität Chemnitz, 2012. https://monarch.qucosa.de/id/qucosa%3A19928.

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Khaddour, Fadi. "Amélioration de la production de gaz des « Tight Gas Reservoirs »." Thesis, Pau, 2014. http://www.theses.fr/2014PAUU3005/document.

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La valorisation des réservoirs gaziers compacts, dits Tight Gas Reservoirs (TGR), dont les découvertes sont importantes, permettrait d’augmenter significativement les ressources mondiales d’hydrocarbures. Dans l’objectif d’améliorer la production de ces types de réservoirs, nous avons mené une étude ayant pour but de parvenir à une meilleure compréhension de la relation entre l’endommagement et les propriétés de transport des géomatériaux. L’évolution de la microstructure d’éprouvettes qui ont été soumises préalablement à des chargements dynamiques est étudiée. Une estimation de leurs perméabi

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Livros sobre o assunto "Bundle separation"

Petro, Michael T. Misjudging Separation Of Church And State: 50 Bundled Facts You Won't Learn At Harvard Law School Or Read In The New York Times. Petro Publications, 2017.

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Capítulos de livros sobre o assunto "Bundle separation"

Bahro, Horst. "Koordination, Kooperation, Separation — Schaffung und Nutzung von Hochschulkapazitäten im Zwischendeck der Bund-Länder- und Länder-Länder-Zusammenarbeit —." In Politik und Verwaltung nach der Jahrtausendwende — Plädoyer für eine rationale Politik. VS Verlag für Sozialwissenschaften, 1998. http://dx.doi.org/10.1007/978-3-322-95073-4_12.

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Sheen, Jen. "Chapter 21 Methods for Mesophyll and Bundle Sheath Cell Separation." In Methods in Cell Biology. Elsevier, 1995. http://dx.doi.org/10.1016/s0091-679x(08)61462-4.

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Trabalhos de conferências sobre o assunto "Bundle separation"

Nguyen, Nam-Trung, Yi Sun, and Yien-Chian Kwok. "Improved Capillary Electrophoresis Separation Using a Capillary Bundle." In ASME 2008 First International Conference on Micro/Nanoscale Heat Transfer. ASMEDC, 2008. http://dx.doi.org/10.1115/mnht2008-52062.

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Joule heating is an undesirable effect in capillary electrophoresis (CE). The heat generated by the electrical current leads to a temperature gradient along the separation channel and consequently affects the separation quality. Since the heat is inversely proportional to the electric resistance of the separation column, increasing the electric resistance can reduce the effect of Joule heating. Currently, due to the limit of fabrication technique and detection apparatus, the typical dimensions of CE microchannels are in the range of 50 μm to 200 μm. In this paper, we describe the method of red

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Holloway, Mary V., Donald E. Beasley, and Michael E. Conner. "Investigation of Swirling Flow in Rod Bundle Subchannels Using Computational Fluid Dynamics." In 14th International Conference on Nuclear Engineering. ASMEDC, 2006. http://dx.doi.org/10.1115/icone14-89068.

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The fluid dynamics for turbulent flow through rod bundles representative of those used in pressurized water reactors is examined using computational fluid dynamics (CFD). The rod bundles of the pressurized water reactor examined in this study consist of a square array of parallel rods that are held on a constant pitch by support grids spaced axially along the rod bundle. Split-vane pair support grids are often used to create swirling flow in the rod bundle in an effort to improve the heat transfer characteristics for the rod bundle during both normal operating conditions and in accident condit

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Feng, Jia, Jianqiang Shan, and Bo Zhang. "Coupled Neutronics/Thermal-Hydraulics Analysis of PT–SCWR With 54-Element Bundle Design." In 2013 21st International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/icone21-16516.

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The radial power distribution is uneven in the Pressure Tube type SCWR bundle because of the higher fuel enrichment and the separation of light water coolant and heavy water moderator. The uneven profile will usually result in high cladding temperature. In order to optimize bundle design, the analysis of coupled neutronics/thermal-hydraulics was carried out. The neutronics code WIMS-AECL and the subchannel code ATHAS are selected to conduct the coupled neutronics/thermal-hydraulics analysis for the PT-SCWR 54-elements bundle design. The analysis of the reference case showed that the maximum cl

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Ridluan, Artit, Surasing Arayangkun, and Coochart Phayom. "Unsteady Isothermal Flow Through a Staggered Tube Bundle Array." In ASME 2012 Fluids Engineering Division Summer Meeting collocated with the ASME 2012 Heat Transfer Summer Conference and the ASME 2012 10th International Conference on Nanochannels, Microchannels, and Minichannels. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/fedsm2012-72403.

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Two-dimensional Unsteady simulations of isothermal flow through a staggered tube bundle array at three different Reynolds numbers 54, 72, and 90 were investigated. The Navier-Stokes equations are numerically solved. Based on the CFD simulation results, the unsteady flow patterns were developed behind the rear row of the array, while for the other rows, the steady separated and reattached flow behaviors were observed, small, short, and closed separation bubble behind the rods. At Reynolds Number of 54, the transient flow was perfectly periodic. The complicated patterns of unsteady flow could be

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Fujita, Issaku, Kotaro Machii, and Teruaki Sakata. "Development of High Performance Moisture Separator Reheater." In ASME 2009 Power Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/power2009-81092.

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Moisture Separator Reheaters (MSRs) of Nuclear power plants, especially 1st generation type (commercial operation started from between 1970 and 1982), has been suffered from various problems like severe erosion, moisture separation performance deterioration, drain sub cooling. To solve these problems and performance improvement, improved MSR was developed. At the new MSR, high performance SS439 stainless steel round type tube bundle was applied, where heating steam distribution is optimized by orifice plate in order to minimize the drain sub cooling. Based on the CFD approach, cycle steam dist

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Dominguez-Ontiveros, Elvis, Carlos Estrada-Perez, and Yassin Hassan. "Experimental Turbulence Analysis of Fuel Bundle With Spacer Grids." In 18th International Conference on Nuclear Engineering. ASMEDC, 2010. http://dx.doi.org/10.1115/icone18-30225.

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Rod bundles are widely used in industry today with applications ranging from nuclear reactors, heat exchangers, and steam generators. Accurately modeling the inherently unsteady and turbulent flow within these rods is essential in order to design for optimal efficiency while controlling vibration, noise and heat transfer. The problem complicates further when spacer-grids are used within the rods to maintain separation and structural rigidity. Computational modeling can be a useful alternative to the costly process of manufacturing and testing prototypes, but its accuracy needs to be checked wi

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Jensen, Anna Lyhne, Claus Uhrenholt Jensen, Kristine Møllenbach Rasmussen, Simon Sand Nielsen, Henrik Sørensen, and Thomas Condra. "Validation of Guidelines for CFD Modelling of a Single Tube Row and In-Line Tube Bundles." In ASME 2013 Fluids Engineering Division Summer Meeting. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/fedsm2013-16529.

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This paper questions and improves commonly used guidelines for modelling a tube bundle in cross-flow at ReD = 3.4 · 104 and ReD = 1.1 · 105. Especially, when the locations of flow separation are of high interest. A major conclusion of this paper is that near-wall modelling (y+ < 5) is preferable and use of wall functions with y+ > 5 should be avoided in relation to flow separation behind tubes in cross-flow. CFD modelling of a tube bundle may be simplified with the use of symmetric or periodic boundary conditions to account for the full geometry. The present work reveals periodicity in v

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Bingbin, Ying, Li Xilin, Zhang Feixi, and Lin Shaoxuan. "The Hot Test of Primary Separation Equipment of Steam Generator for CAP1400 Nuclear Power Plant." In 2017 25th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/icone25-66198.

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A new type of Steam separator for CAP1400 Steam Generator is introduced. The result of characteristic experiment, the variables of which contain steam load, saturated water flow and water level, shows its separation characteristics are suitable for CAP1400 Steam Generator. Steam generator is a major equipment of pressurized water reactor power plant, one function of which is to transfer heat from reactor to feedwater and to generate qualified steam. Steam separator, located in upper shell of Steam generator, is used to separate steam from saturated water/steam mixture which exits from the tube

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Litfin, Karsten, Abdalla Batta, Andreas G. Class, and Thomas Wetzel. "Flow Distribution and Turbulent Heat Transfer Measurements in a Hexagonal LBE Rod Bundle." In 18th International Conference on Nuclear Engineering. ASMEDC, 2010. http://dx.doi.org/10.1115/icone18-29411.

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In the framework of accelerator driven sub-critical reactor systems (ADS), heavy liquid metals (HLM), in particular lead or lead bismuth eutectic (LBE), are considered as coolant for the reactor core and the spallation target due to their efficient heat removal properties and high production rate of neutrons. LBE-flows are characterized by excellent heat conductivity and exhibit a low molecular Prandtl number of the order 10−2 leading to distinct thermal and viscous boundary layers and scale separation in both the time and spatial domain. Since the analogy of turbulent heat and momentum transf

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Manabe, Jun, Jiro Kasahara, Toshiki Kojima, and Issaku Fujita. "Recent Design Technologies of Moisture Separator Reheater." In 17th International Conference on Nuclear Engineering. ASMEDC, 2009. http://dx.doi.org/10.1115/icone17-75790.

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This paper introduces the development of the current model Moisture Separator Reheater (MSR) for nuclear power plant (NPP) turbines, commercially placed in service in the period 1984–1997, focusing on the mist separation performance of the MSR along with drainage from heat exchanger tubes. A method of predicting the mist separation performance was devised first based on the observation of mist separation behaviors under an air-water test, then developed for the application to predict under the steam conditions, followed by the verification in comparison with the actual results of a steam condi

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