Zobrazeno 1 - 10
of 11
pro vyhledávání: '"R. H. Flachbart"'
Publikováno v:
Cryogenics. 48:217-222
Due to its high specific impulse and favorable thermal properties for storage, liquid methane (LCH4) is being considered as a candidate propellant for exploration architectures. In order to gain an -understanding of any unique considerations involvin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2b441479d04c0617ec2526b5bd0c753b
https://doi.org/10.1016/j.cryogenics.2008.03.011
https://doi.org/10.1016/j.cryogenics.2008.03.011
Autor:
A. Hedayat, S. L. Nelson, L. J. Hastings, R. H. Flachbart, D. J. Vermilion, S. P. Tucker, J. G. Weisend, John Barclay, Susan Breon, Jonathan Demko, Michael DiPirro, J. Patrick Kelley, Peter Kittel, Arkadiy Klebaner, Al Zeller, Mark Zagarola, Steven Van Sciver, Andrew Rowe, John Pfotenhauer, Tom Peterson, Jennifer Lock
Publikováno v:
AIP Conference Proceedings.
Cryogens are viable candidate propellants for NASA's Lunar and Mars exploration programs. To provide adequate mass flow to the system's engines and/or to prevent feed system cavitation, gaseous helium (GHe) is frequently considered as a pressurant. D
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2324aac6f2ddfcfaf2fb608b9024db5b
https://doi.org/10.1063/1.2908511
https://doi.org/10.1063/1.2908511
Autor:
R. H. Flachbart, L. J. Hastings, A. Hedayat, S. L. Nelson, S. Tucker, J. G. Weisend, John Barclay, Susan Breon, Jonathan Demko, Michael DiPirro, J. Patrick Kelley, Peter Kittel, Arkadiy Klebaner, Al Zeller, Mark Zagarola, Steven Van Sciver, Andrew Rowe, John Pfotenhauer, Tom Peterson, Jennifer Lock
Publikováno v:
AIP Conference Proceedings.
In support of the development of a micro-gravity pressure control capability for liquid hydrogen, testing was conducted at the Marshall Space Flight Center (MSFC) with the Multipurpose Hydrogen Test Bed (MHTB) to evaluate the effects of helium pressu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d9a852b8347ec6769c5e20451dbd3301
https://doi.org/10.1063/1.2908510
https://doi.org/10.1063/1.2908510
Publikováno v:
AIP Conference Proceedings.
In designing systems for the long‐term storage of cryogens in low‐gravity (space) environments, one must consider the effects of thermal stratification on tank pressure that will occur due to environmental heat leaks. During low‐gravity operati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1033243f3219ca820e266ff4e10adebd
https://doi.org/10.1063/1.2202421
https://doi.org/10.1063/1.2202421
Publikováno v:
AIP Conference Proceedings.
To support development of a microgravity pressure control capability for liquid oxygen (LO2), Thermodynamic Vent System (TVS) testing was conducted at Marshall Space Flight Center (MSFC) using liquid nitrogen (LN2) as an LO2 simulant. The spray‐bar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::44fad344c706bb354675b1805c5e6a9e
https://doi.org/10.1063/1.2202422
https://doi.org/10.1063/1.2202422
Publikováno v:
41st AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit.
*† ‡ § ¶ Long-term on-orbit storage, supply, transfer, and health management of subcritical cryogenic fluids are critical capabilities needed to advance the human exploration of space. Accordingly, the Marshall Space Flight Center has been purs
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6ed6897cac841faf754c54cdbe6abe92
https://doi.org/10.2514/6.2005-3561
https://doi.org/10.2514/6.2005-3561
Publikováno v:
AIP Conference Proceedings.
Advancement of cryocooler and passive insulation technologies in recent years has improved the prospects for zero‐boiloff (ZBO) storage of cryogenic fluids. The ZBO concept involves the use of a cryocooler/radiator system to balance storage system
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f3ab73fb0a2afb814818c587417752c7
https://doi.org/10.1063/1.1774802
https://doi.org/10.1063/1.1774802
Publikováno v:
AIP Conference Proceedings.
To support development of a zero‐gravity pressure control capability for liquid hydrogen (LH2), a series of thermodynamic venting system (TVS) tests was conducted in 1996 and 1998 using the Marshall Space Flight Center (MSFC) multipurpose hydrogen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6f5ef96011f3bd3e4d6bead6a47b38ff
https://doi.org/10.1063/1.1774803
https://doi.org/10.1063/1.1774803
Publikováno v:
39th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::01c11941c778a15cf575af223de911ca
https://doi.org/10.2514/6.2003-4450
https://doi.org/10.2514/6.2003-4450
Autor:
Alok Majumdar, R. H. Flachbart
Publikováno v:
Volume 1: Fora, Parts A, B, C, and D.
This paper describes the application of a finite volume procedure for a fluid network to predict fluid transients following a rapid valve closure in a long cryogenic pipeline. The conservation equations of mass, momentum, energy, and the equation of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::095268ec92dda05162c42ef7ae438c53
https://doi.org/10.1115/fedsm2003-45275
https://doi.org/10.1115/fedsm2003-45275