Heat-sterilizable, remotely activated battery development program Final report
Performance tests of heat sterilizable remotely activated battery
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Performance tests of heat sterilizable remotely activated battery
Different techniques of preserving food for military field rations
Design of navigation system for manned lunar surface vehicle
Photographic and information dissemination, technology utilization services, and search profiles
Multidisciplinary studies in programs in the public sector, including project management, NASA technology transfer, national decision making, and space regulations
Manned lunar surface navigation requirements emphasizing dead reckoning system
Thermionic reactor program for electric propulsion, considering internally fueled flashlight concept
Polymer materials for sealing liquid oxygen and liquid hydrogen propulsion systems
Reducing noise in multiplier of quadrupole mass spectrometer when operating in ion counting mode
Microrespirometers to measure oxygen consumption of sprouting potato plugs, and gravitational effects on hypothalamo-hypophyseal system of fish
Thermal shock testing of coextruded and brazed tubular joints of stainless steel and tantalum for SNAP-8 application
Shell side hydraulic characteristics of full-scale SNAP 8 multiple-tube model boiler over turbulent Reynolds number from 18,000 to 38,000
Microstrip oscillator for solid state microwave source
Heat transfer and fluid flow during forced convection boiling of wetted mercury with application to design and optimization of once-through boilers for Space Power Rankine Cycle Systems - SNAP-8
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A Brayton Heat Exchanger Unit (BHXU), consisting of a recuperator, a heat sink heat exchanger and a gas ducting system, was designed, fabricated, and tested. The design was formulated to provide a high performance unit suitable for use in a long-life Brayton-cycle powerplant. A parametric analysis and design study was performed to establish the optimum component configurations to achieve low weight and size and high reliability, while meeting the requirements of high effectiveness and low pressure drop. Layout studies and detailed mechanical and structural design were performed to obtain a flight-type packaging arrangement. Evaluation testing was conducted from which it is estimated that near-design performance can be expected with the use of He-Xe as the working fluid.
The results are presented of the second six-month performance period of the Nuclear Electric Propulsion Mission Engineering Study. A brief overview of the program, identifying the study objectives and approach, and a discussion of the program status and schedule are presented. The program results are reviewed and key conclusions to date are summarized. Planned effort for the remainder of the program is reviewed.
The NASA Earth Resources Survey (ERS) Program is discussed as an effort to augment the presently used ground techniques and limited aerial photography for obtaining larger survey data. The topics include the scientific and technological aspects of remote earth resources sensing, the past and present activities in this field, the immediate plans for the implementation of the program, and a summary of current and future international participation in it. The effective target areas of space observations under the program are listed as synoptic surveys, agriculture and forestry, geography, geology and mineral resources, hydrology and water resources, and marine resources. Acquisition of near real-time information, reduced data acquisition time, repeated coverage, measurement uniformity, global surveys without large on-site support requirements are indicated as the advantages of space observations.