Results 61 to 70 of about 309,744 (119)

Rocket Based Combined Cycle (RBCC) Propulsion Technology Workshop. Volume 1: Executive summary [PDF]

open access: yes
The goal of the Rocket-Based Combined Cycle (RBCC) Propulsion Technology Workshop was to assess the RBCC propulsion system's viability for Earth-to-Orbit (ETO) transportation systems.
Chojnacki, Kent T.
core   +1 more source

Advanced onboard propulsion benefits and status [PDF]

open access: yes
Future commercial space systems may include geosynchronous-orbit communication satellites; Earth-observing satellites in polar, sun-synchronous orbits; and tended low-earth-orbit platforms.
Byers, David C.
core   +1 more source

Heat transfer in aerospace propulsion [PDF]

open access: yes
Presented is an overview of heat transfer related research in support of aerospace propulsion, particularly as seen from the perspective of the NASA Lewis Research Center.
Gladden, Herbert J.   +2 more
core   +1 more source

Integrated propulsion for near-Earth space missions. Volume 1: Executive summary [PDF]

open access: yes
Tradeoffs between electric propulsion system mass ratio and transfer time from LEO to GEO were conducted parametrically for various thruster efficiency, specific impulse, and other propulsion parameters.
Dailey, C. L.   +3 more
core   +1 more source

Operationally Efficient Propulsion System Study (OEPSS) data book. Volume 4: OEPSS design concepts [PDF]

open access: yes
This study was initiated to identify operations problems and cost drivers for current propulsion systems and to identify technology and design approaches to increase the operational efficiency and reduce operations costs for future propulsion systems. To
Farhangi, Shahram   +2 more
core   +1 more source

NASA/DOE/DOD nuclear propulsion technology planning: Summary of FY 1991 interagency panel results [PDF]

open access: yes
Interagency (NASA/DOE/DOD) technical panels worked in 1991 to evaluate critical nuclear propulsion issues, compare nuclear propulsion concepts for a manned Mars mission on a consistent basis, and to continue planning a technology development project for ...
Bhattacharryya, Samit K.   +5 more
core   +1 more source

Field resonance propulsion concept [PDF]

open access: yes
A propulsion concept was developed based on a proposed resonance between coherent, pulsed electromagnetic wave forms, and gravitational wave forms (or space-time metrics).
Holt, A. C.
core   +1 more source

A Piecewise Linear State Variable Technique for Real Time Propulsion System Simulation [PDF]

open access: yes
The emphasis on increased aircraft and propulsion control system integration and piloted simulation has created a need for higher fidelity real time dynamic propulsion models. A real time propulsion system modeling technique which satisfies this need and
Mihaloew, J. R., Roth, S. P.
core   +1 more source

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