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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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Radiometric method accurately calibrates the principal line sections of an antenna, including the section which contains the antenna-feed component /mode generator and polarizer/. Precise knowledge of the absolute antenna temperature is not required.
Improved horn feed for shallow paraboloid antennas
Analysis of test facility for measuring resonant frequencies of fluid feed lines
Feeding system design for advanced orbital facilities
Performance evaluation of evaporative water recovery subsystem utilizing automatic feed control
Feeding system requirements for Manned Orbiting Laboratory
Functional analysis on feeding system for Manned Orbiting Laboratory
Improved prototype space feeding system for Manned Orbiting Laboratory missions
Systems analysis of feeding system for Manned Orbiting Laboratory
Airline and space feeding systems, and work-rest division of astronauts day
Simplified zero gravity ammonia feed system development
Low speed inducers for rocket engine feed system
Radiometric method for calibrating loss of multimode antenna-feed components with linear or circular polarization, deriving calibration and error analysis equations
Phase center position of field scattered from hyperboloid subreflector in asymmetric Cassegrain antenna feed system
Liquid fluorine feed system valves, seals and seats, discussing design criteria for flight weight components
Microwave feeding system for heating and cooking prepackaged meals during extended space missions
Parabolic antenna properties generated by dual band circularly polarized focused two channel monopulse feed system, discussing tracking data from helicopter, Apollo 8 and Cassiopeia A