Thermocapillary Flow With Evaporation And Condensation And Its Effect On Liquid Retention In Low G Fluid Acquisition Devices
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Thermocapillary Flow With Evaporation And Condensation And Its Effect On Liquid Retention In Low G Fluid Acquisition Devices
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Author : G. R. Schmidt
language : en
Publisher:
Release Date : 1994
Thermocapillary Flow With Evaporation And Condensation And Its Effect On Liquid Retention In Low G Fluid Acquisition Devices written by G. R. Schmidt and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Reduced gravity environments categories.
Liquid Acquisition Devices For Advanced In Space Cryogenic Propulsion Systems
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Author : Jason William Hartwig
language : en
Publisher: Academic Press
Release Date : 2015-11-21
Liquid Acquisition Devices For Advanced In Space Cryogenic Propulsion Systems written by Jason William Hartwig and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-11-21 with Technology & Engineering categories.
Liquid Acquisition Devices for Advanced In-Space Cryogenic Propulsion Systems discusses the importance of reliable cryogenic systems, a pivotal part of everything from engine propulsion to fuel deposits. As some of the most efficient systems involve advanced cryogenic fluid management systems that present challenging issues, the book tackles issues such as the difficulty in obtaining data, the lack of quality data and models, and the complexity in trying to model these systems. The book presents models and experimental data based on rare and hard-to-obtain cryogenic data. Through clear descriptions of practical data and models, readers will explore the development of robust and flexible liquid acquisition devices (LAD) through component-level and full-scale ground experiments, as well as analytical tools. This book presents new and rare experimental data, as well as analytical models, in a fundamental area to the aerospace and space-flight communities. With this data, the reader can consider new and improved ways to design, analyze, and build expensive flight systems. - Presents a definitive reference for design ideas, analysis tools, and performance data on cryogenic liquid acquisition devices - Provides historical perspectives to present fundamental design models and performance data, which are applied to two practical examples throughout the book - Describes a series of models to optimize liquid acquisition device performance, which are confirmed through a variety of parametric component level tests - Includes video clips of experiments on a companion website
Scientific And Technical Aerospace Reports
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Author :
language : en
Publisher:
Release Date : 1995
Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Aeronautics categories.
Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
The 1994 Silver Anniversary Of Apollo 11 From The Moon To The Stars
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Author :
language : en
Publisher:
Release Date : 1995
The 1994 Silver Anniversary Of Apollo 11 From The Moon To The Stars written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with categories.
Thermocapillary Flow With Evaporation And Condensation And Its Effect On Liquid Retention In Low G Fluid Acquisition Devices
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Author : G. R. Schmidt
language : en
Publisher:
Release Date : 1994
Thermocapillary Flow With Evaporation And Condensation And Its Effect On Liquid Retention In Low G Fluid Acquisition Devices written by G. R. Schmidt and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with categories.
Journal Of Thermophysics And Heat Transfer
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Author :
language : en
Publisher:
Release Date : 1995
Journal Of Thermophysics And Heat Transfer written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Heat categories.
Thermocapillary Flow With Evaporation And Condensation And Its Effect On Liquid Retention In Low G Fluid Acquisition Devices
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Author : National Aeronautics and Space Administration (NASA)
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2018-08-04
Thermocapillary Flow With Evaporation And Condensation And Its Effect On Liquid Retention In Low G Fluid Acquisition Devices written by National Aeronautics and Space Administration (NASA) and has been published by Createspace Independent Publishing Platform this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-08-04 with categories.
The steady motion, thermal and free surface behavior of a volatile, wetting liquid in microgravity are studied using scaling and numerical techniques. The objective is to determine whether the thermocapillary and two-phase convection arising from thermodynamic nonequilibrium along the porous surfaces of spacecraft liquid acquisition devices could cause the retention failures observed with liquid hydrogen and heated vapor pressurant. Why these devices seem immune to retention loss when pressurized with heated helium or heated directly through the porous structure was also examined. Results show that highly wetting fluids exhibit large negative and positive dynamic pressure gradients towards the meniscus interline when superheated and subcooled, respectively. With superheating, the pressure variation and recoil force arising from liquid/vapor phase change exert the same influence on surface morphology and promote retention. With subcooling, however, the pressure distribution produces a suction that degrades mechanical equilibrium of the surface. This result indicates that thermocapillary-induced deformation arising from subcooling and condensation is the likely cause for retention loss. In addition, increasing the level of nonequilibrium by reducing accommodation coefficient suppresses deformation and explains why this failure mode does not occur in instances of direct screen heating or pressurization with a heated inert gas. Schmidt, George R. Marshall Space Flight Center NASA-TP-3463, M-743, NAS 1.60:3463 PROJ. 91-15...
Fy 1994 Scientific And Technical Reports Articles Papers And Presentations
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Author :
language : en
Publisher:
Release Date : 1994
Fy 1994 Scientific And Technical Reports Articles Papers And Presentations written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with categories.
Transport Phenomena In The Micropores Of Plug Type Phase Separators
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Author : Michel M. Fazah
language : en
Publisher:
Release Date : 1995
Transport Phenomena In The Micropores Of Plug Type Phase Separators written by Michel M. Fazah and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Transport theory categories.
33rd Aerospace Sciences Meeting Exhibit
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Author :
language : en
Publisher:
Release Date : 1995
33rd Aerospace Sciences Meeting Exhibit written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Aeronautics categories.