Space Radiation Biology, Workshop Conference, University of California, Berkeley, Calif., September 7-10, 1965, Proceedings.
Space radiation biology - NASA Conference, Berkeley, September 1965
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Space radiation biology - NASA Conference, Berkeley, September 1965
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Report contains papers discussing rheology, low temperature thermodynamics with emphasis on the helium system, aerodynamic heating, and thermophysics research at Marshall Space Flight Center. Abstracts of selected research and development programs covering entire spectrum of thermal sciences are included.
Two-volume edition of the papers of the symposium is described. It is divided into six sections - parts, materials, management, system testing, component design, and system test. Material presented focuses attention on problems created by the increased complexity of technology and long-term mission requirements.
Lithium and annealing effects, fabrication, and electrical properties of lithium-doped solar cells - conference
Conference on uses of manned space flight
Heat and mass transfer, thermodynamics, fluid mechanics, and energy conversion studies for space flight applications
Interim model specifications for nickel-cadmium and silver-cadmium cells for spacecraft
Development of aerospace structural materials - heat resistant alloys, refractory materials, transition metals, and composite materials
Aerospace mechanisms conference including spacecraft booms, antennas, design, and power supplies, and mechanical devices operated in planetary environments
The Second Workshop on Voltage Breakdown in Electronic Equipment at Low Air Pressure was sponsored by the Jet Propulsion Laboratory, Pasadena, California. It has been three and one-half years since the convening of the first workshop on voltage breakdown. In this interval, gains are evidenced in the progress and sophistication in solving voltage breakdown problems affecting electronic equipment operating at high altitudes or other low air pressure environments. Although space applications predominate the area of concern, other projects such as the SST are becoming increasingly involved with voltage breakdown. High-voltage breakdown in spacecraft continues; however, the incidences of occurrence appear to have decreased in spite of an increase in the number of missions flown. This, it is felt, is due to many project managers now requiring all equipment with voltage in excess of 270-V peak to be designed to operate in the critical pressure region without damage, even though its normal functional environment is sea level pressure and the hard vacuum of space. In addition, designers are becoming more aware of the principle of good high-voltage design by selecting void-free components, proper spacing of conductors, isolating high-voltage circuitry from lower voltage areas, etc. The consensus seems to be that the slight increase in cost to achieve a provable corona-free design is more than offset by the increase in confidence that the equipment will survive accidental loss of vacuum during high-vacuum tests, inadvertent turn on while passing through the critical air-pressure region of earth after launch or outgassing in flight pressurizing the enclosure into the critical pressure region.