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pro vyhledávání: '"D. J. Vermilion"'
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