|
|
 |
 |
|
|
|
Selected Navigations:
Author >
[x]
|
Sort results by:
|
|
|
There are a total of 21 record(s) matching your query.
Sorted by: Date Added To NTRS in Descending order
|
Paving a Highway to Space
Author(s): Schafer, C. F.; Schmidt, G. R.
Abstract: This paper presents the Paving a Highway to Space at the 49th JANNAF (Joint Army-Navy-NASA-Air force) Propulsion Meeting. The topics include: 1) Earth-To-Orbit; 2) Orbit and Beyond; 3) Duct Propulsion; 4) Electric ...
NASA Center: Marshall Space Flight Center
Publication Year: 1999
Added to NTRS: 2008-06-02
Document ID: 20000025300
Antimatter Requirements and Energy Costs for Near-Term Propulsion Applications
Author(s): Schmidt, G. R.; Gerrish, H. P.; Martin, J. J.; Smith, G. A.; Meyer, K. J.
Abstract: The superior energy density of antimatter annihilation has often been pointed to as the ultimate source of energy for propulsion. However, the limited capacity and very low efficiency of present-day antiproton production ...
NASA Center: Marshall Space Flight Center
Publication Year: 1999
Added to NTRS: 2008-06-02
Document ID: 19990110316
Thermocapillary flow with evaporation and condensation at low gravity. Part 2: Deformable surface
Author(s): Schmidt, G. R.; Chung, T. J.; Nadarajah, A.
Abstract: The free surface behavior of a volatile wetting liquid at low gravity is studied using scaling and numerical techniques. An open cavity model, which was applied in part 1 to investigate fluid flow and heat transfer in ...
NASA Center: Marshall Space Flight Center
Publication Year: 1995
Added to NTRS: 2008-02-08
Accession Number: 96N17863; Document ID: 19960011427; Report Number: NAS 1.15:111221, NASA-TM-111221, NIPS-96-07300
External Pulsed Plasma Propulsion and Its Potential for the Near Future
Author(s): Bonometti, J. A.; Morton, P. J.; Schmidt, G. R.
Abstract: This paper examines External Pulsed Plasma Propulsion (EPPP), a propulsion concept that derives its thrust from plasma waves generated from a series of small, supercritical fission/fusion pulses behind an object in space. ...
NASA Center: Marshall Space Flight Center
Publication Year: 1999
Added to NTRS: 2007-11-14
Document ID: 20000021516
The effect of engine design characteristics on orbital transfer vehicle performance
Author(s): Schmidt, G. R.
Abstract: The objective in maximizing performance for a space-based Orbital Transfer Vehicle (OTV) is to minimize the propellant required to successfully complete a given reference mission and thereby reduce launch and storage costs. ...
NASA Center: NASA (non Center Specific)
Publication Year: 1985
Added to NTRS: 2005-10-10
Accession Number: 86N17419; Document ID: 19860007949
No-vent fill pressurization tests using a cryogen simulant
Author(s): Schmidt, G. R.; Carrigan, R. W.; Hahs, J. E.; Vaughan, D. A.; Foust, D. C.
Abstract: The results are described of an experimental program which studied the performance of various no-vent fill techniques for tank-to-tank liquid transfer. The tests were performed using a cryogen simulant (Freon-114) and a test ...
NASA Center: Marshall Space Flight Center
Publication Year: 1991
Added to NTRS: 2005-08-25
Accession Number: 92N15354; Document ID: 19920006136; Report Number: NAS 1.15:103561, NASA-TM-103561
The Performance Constraints of Gain-Limited Propulsion Systems
Author(s): Schmidt, G. R.; Thio, Y. F.; Chakrabarti, S.
Abstract: Rapid transportation of human crews to destinations throughout the solar system will require propulsion systems having not only very high exhaust velocities (i.e., I(sub sp) greater or equal to 10(exp 4) to 10(exp 5) sec) ...
NASA Center: Marshall Space Flight Center
Publication Year: 1999
Added to NTRS: 2004-11-03
Document ID: 19990064503
High-Energy Space Propulsion Based on Magnetized Target Fusion
Author(s): Thio, Y. C. F.; Freeze, B.; Kirkpatrick, R. C.; Landrum, B.; Gerrish, H.; Schmidt, G. R.
Abstract: A conceptual study is made to explore the feasibility of applying magnetized target fusion (MTF) to space propulsion for omniplanetary travel. Plasma-jet driven MTF not only is highly amenable to space propulsion, but also ...
NASA Center: Marshall Space Flight Center
Publication Year: 1999
Added to NTRS: 2004-11-03
Document ID: 19990080042; Report Number: AIAA Paper 99-2703
Antimatter Production for Near-Term Propulsion Applications
Author(s): Schmidt, G. R.; Gerrish, H. P.; Martin, J. J.; Smith, G. A.; Meyer, K. J.
Abstract: The superior energy density of antimatter has often been pointed to as the source of energy for propulsion. However, the limited capacity and very low efficiency of present-day antiproton production methods suggest that ...
NASA Center: Marshall Space Flight Center
Publication Year: 1999
Added to NTRS: 2004-11-03
Document ID: 19990052891; Report Number: AIAA Paper 99-2691
Conceptual Design of an MTF Space Propulsion System
Author(s): Thio, Y. C. Francis; Schmidt, G. R.; Kirkpatrick, R. C.; Turchi, P. J.
Abstract: Most fusion propulsion concepts that have been investigated in the past employ some form of inertial or magnetic confinement separately, and are encumbered by the need for advanced drivers (e.g. laser) or steady-state ...
NASA Center: Marshall Space Flight Center
Publication Year: 2001
Added to NTRS: 2004-11-03
Document ID: 20020022519
|
|
|
|
|
