Results 101 to 110 of about 3,835 (218)
NERVA upgrade: Non-nuclear components [PDF]
The design of engine based upon the original accomplishmentns of the ROVER/NERVA program (but with the use of advanced technologies) is discussed. Some hypothetical requirements for a typical manned Mars mission are outlined.
Gunn, Stanley
core +1 more source
Control and Supervision Requirements for Floating Hybrid Generator Systems. [PDF]
Int J Environ Res Public Health, 2022 García E +4 more
europepmc +1 more source
Geothermal down well pumping system [PDF]
A key technical problem in the exploitation of hot water geothermal energy resources is down-well pumping to inhibit mineral precipitation, improve thermal efficiency, and enhance flow.
Matthews, H. B., Mcbee, W. D.
core +1 more source
Modifications to Marshall's Annular Seal Test (MAST) Rig and Facility for Improved Rotordynamic Coefficient Testing of Annular Seals and Fluid Film Bearings [PDF]
, 2011 The limits of rotordynamic stability continue to be pushed by the high power densities and rotational speeds of modern rocket engine turbomachinery. Destabilizing forces increase dramatically with rotor speed.
Darden, J. M., Earhart, E. M.
core +1 more source
Lewis Research Center is developing broad-based new technologies for space chemical engines to satisfy long-term needs of ETO launch vehicles and other vehicles operating in and beyond Earth orbit.
Kazaroff, John M.
core +1 more source
Orbital transfer vehicle oxygen turbopump technology. Volume 2: Nitrogen and ambient oxygen testing [PDF]
The testing of a rocket engine oxygen turbopump using high pressure ambient temperature nitrogen and oxygen as the turbine drive gas in separate test series is discussed. The pumped fluid was liquid nitrogen or liquid oxygen.
Brannam, R. J. +4 more
core +1 more source
Seals Research at Texas A/M University [PDF]
, 1991 The Turbomachinery Laboratory at Texas A&M has been providing experimental data and computational codes for the design seals for many years. The program began with the development of a Halon based seal test rig.
Morrison, Gerald L.
core +1 more source
Dynamic Behavior of Hydrostatic Thrust Bearings
Journal of the Japan Society of Precision Engineering, 1977 Tojiro AOYAMA +2 more
openaire +2 more sources
Hybrid hydrostatic/ball bearings for LH2 and LO2 service in turbopumps were studied as a means of improving speed and life capabilities. Four hybrid bearing configurations were designed with emphasis on achieving maximum stiffness and damping.
Butner, M. F., Murphy, B. T.
core +1 more source
A bibliography /with abstracts/ on gas-lubricated bearings Interim report [PDF]
Gas lubricated bearings - annotated ...
Devlin, P., Peters, A.
core +1 more source