Results 41 to 50 of about 54,321 (140)

Advanced Manned Launch System (AMLS) study [PDF]

open access: yes
To assure national leadership in space operations and exploration in the future, NASA must be able to provide cost effective and operationally efficient space transportation.
Brown, Jerry   +9 more
core   +1 more source

Space Transportation Materials and Structures Technology Workshop [PDF]

open access: yes
The Space Transportation Materials and Structures Technology Workshop was held on September 23-26, 1991, in Newport News, Virginia. The workshop, sponsored by the NASA Office of Space Flight and the NASA Office of Aeronautics and Space Technology, was ...
Cazier, Frank W., Jr., Gardner, James E.
core   +1 more source

Project LOCOST: Laser or Chemical Hybrid Orbital Space Transport [PDF]

open access: yes
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

STS payload ground handling mechanism at John F. Kennedy Space Center [PDF]

open access: yes, 1985
The payload ground handling mechanism (PGHM), which lifts payloads out of the payload canister that brings them to the launch pad, is described. The PGHM then loads the payloads into the orbiter through the open payload bay doors.
Cassisi, V., Tatem, B. C., Jr.
core   +1 more source

Design issues for propulsion systems using metallized propellants [PDF]

open access: yes
Metallized propellants are liquid propellants that contain metal particles. These particles are suspended in a gelled fuel or oxidizer. Aluminum is used as the metal additive.
Palaszewski, Bryan, Rapp, Douglas
core   +1 more source

Comparative assessment of out-of-core nuclear thermionic power systems [PDF]

open access: yes
The hardware selections available for fabrication of a nuclear electric propulsion stage for planetary exploration were explored. The investigation was centered around a heat-pipe-cooled, fast-spectrum nuclear reactor for an out-of-core power conversion ...
Estabrook, W. C.   +2 more
core   +1 more source

Variable gravity research facility [PDF]

open access: yes
Spin and despin requirements; sequence of activities required to assemble the Variable Gravity Research Facility (VGRF); power systems technology; life support; thermal control systems; emergencies; communication systems; space station applications ...
Allan, Sean   +9 more
core   +1 more source

Primary propulsion/large space system interaction study [PDF]

open access: yes
An interaction study was conducted between propulsion systems and large space structures to determine the effect of low thrust primary propulsion system characteristics on the mass, area, and orbit transfer characteristics of large space systems (LSS ...
Coyner, J. V.   +3 more
core   +1 more source

Systems design analysis applied to launch vehicle configuration [PDF]

open access: yes
As emphasis shifts from optimum-performance aerospace systems to least lift-cycle costs, systems designs must seek, adapt, and innovate cost improvement techniques in design through operations.
Ryan, R., Verderaime, V.
core   +1 more source

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