Linear force and moment equations for an annular smooth shaft seal perturbed both angularly and laterally [PDF]
Coefficients are derived for equations expressing the lateral force and pitching moments associated with both planar translation and angular perturbations from a nominally centered rotating shaft with respect to a stationary seal.
Dijulio, R. +3 more
core +1 more source
Impact of Rocket Launch and Space Debris Air Pollutant Emissions on Stratospheric Ozone and Global Climate. [PDF]
Ryan RG +3 more
europepmc +1 more source
Project LOCOST: Laser or Chemical Hybrid Orbital Space Transport [PDF]
A potential mission in the late 1990s is the servicing of spacecraft assets located in GEO. The Geosynchronous Operations Support Center (GeoShack) will be supported by a space transfer vehicle based at the Space Station (SS).
Dixon, Alan +5 more
core +1 more source
The Asolant/Rubin-5 Technology Demonstration Mission - System Description and First Flight Results [PDF]
This paper addresses the Asolant/Rubin-5 flight experiment conducted onboard the upper stage of a Cosmos rocket in late 2005. The main objective of the project was to flight-qualify a newly developed combined solar cell/antenna device, the so-called ...
Amend, Oliver +4 more
core
Hybrid Rocket Propulsion for Sounding Rocket Applications [PDF]
A discussion of the H-225K hybrid rocket motor, produced by the American Rocket Company, is given. The H-225K motor is presented in terms of the following topics: (1) hybrid rocket fundamentals; (2) hybrid characteristics; and (3) hybrid ...
core +1 more source
Prospects for Interstellar Propulsion [PDF]
In recognition of the increasing prospects for Earth-like exoplanet discoveries and its significance for spurring future interstellar voyages of discovery, the United States Congress recently directed NASA to undertake an interstellar mission technology ...
Litchford, Ronald J., Sheehy, Jeffrey A.
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Dual Sounding Rocket and C/NOFS Satellite Observations of DC Electric Fields and Plasma Density in the Equatorial E- and F-Region Ionosphere at Sunset. [PDF]
Pfaff R +5 more
europepmc +1 more source
Computational design of an experimental laser-powered thruster [PDF]
An extensive numerical experiment, using the developed computer code, was conducted to design an optimized laser-sustained hydrogen plasma thruster. The plasma was sustained using a 30 kW CO2 laser beam operated at 10.6 micrometers focused inside the ...
Jeng, San-Mou +2 more
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Hybrid Rocket Internal Ballistics
ALL DISTRIBUTION OF THIS DOCUMENT IS CONTROLLED. REPRODUCTION AND DISTRIBUTION NOT AUTHORIZED. COPIES AVAILABLE ONLY FROM CPIA.
openaire +1 more source
Experimental studies of ionospheric irregularities and related plasma processes [PDF]
Utah State University (USU) continued its program of measuring and interpreting electron density and its variations in a variety of ionospheric conditions with the Experimental Studies of Ionospheric Irregularities and Related Plasma Processes program ...
Baker, Kay D.
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