SEARCH · Engineering Papers
Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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Feasibility of constructing scale model of Apollo service module to measure effects of aerodynamic fluctuating pressures generated during boost flight
Metallic and monmetallic materials evaluation for use in injector head-combustion chamber seals of Apollo service module
Low frequency modulator design using single varactor diode as switching element
Protuberances, cavities, and angle of attack effect on wind tunnel pressure and heat transfer distribution for Apollo command module
Clock pulse shaper developed for use as standard digital module in clocked logic systems
Computerized mathematical analysis for dynamic behavior prediction of Apollo command module during earth landing
Design and program for Apollo Lunar Excursion Module, noting propulsion, guidance, control, ground support, etc
Mars Excursion Module, considering requirement for cross orbit capability during entry and optimization of engine vehicle integration
Analog message transmission by optimum angle modulation system and rate distortion function deriving mean square error
Signal detection techniques for discrete- frequency, phase-coherent pulse frequency modulation telemetry system, using analog and digital circuits
LEM rendezvous radar for tracking transponder on lunar surface or on Command Module
Lunar Excursion Module rendezvous radar and transponder receivers
Electro-optic modulators for IR region 0.9 to 16 microns constructed by using large single crystals of high resistivity gallium arsenide
Wire-connected electronic module as standard configuration for operational tests of spacecraft components
Differentiation circuits for amplitude-modulated signal envelopes
Room temperature resistance and high temperature testing of tubular thermoelectric module
Ionospheric cross modulation effects determined by collision frequency profile of electrons and other rocket sounding data