The Voyager program.
Voyager project goals, orbital operations, capsule descent, navigational systems, etc
SOLAR SYSTEM↗
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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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The Voyager programme.
Voyager project goals, orbital operations, capsule descent, navigational systems, etc
VOYAGER PROJECT↗
Concept to standardize space vehicle piggyback experiment modules
Study investigates the use of spent launch vehicle stages and modules to support earth orbital operations and functions after successful completion of the primary mission. Emphasis is placed primarily on determination of those uses that afford the greatest utility with minimum possibility of degradation to the primary mission.
Cummings, A.↗
Early nuclear rocket applications.
Nuclear rocket applications, discussing performance, lunar logistics, solar system missions, orbital operations and payload data
Johnson, P. G.↗
Calibration changes in EUV solar satellite instruments
Photometric calibration changes in EUV solar satellite instruments during orbital operation
Parkinson, W. H.↗
S-IVB restart chilldown experience
S-IVB liquid rocket engine and propellant feed systems restart chilldown in orbital operations
Davisson, J. C.↗
Space station design
Space station design, discussing existing technology base for earth orbital operations program implementation
Berglund, R. A.↗
S-IVB restart chilldown experience
S-IVB liquid rocket engine and propellant feed systems restart chilldown in orbital operations
Davisson, J. C.↗
Radiation dosimetry for the Gemini program
The principal source of radiation for low-earth-orbit, low inclination space flights is in the area of the South Atlantic magnetic anomaly. None of the Gemini dose measurements reported in the paper are of high enough intensity to be considered hazardous. There is a trend toward larger doses as missions are flown higher and longer. Extended orbital operations between 1400 and 4400 kilometers would encounter high interior radiation levels. Pronounced spacecraft geometry effects have been measured in manned spacecraft. Instrumentation for radiation measurements on Gemini spacecraft is described.
Richmond, R. G.↗
Large Space Telescope (LST) preliminary analysis and design report, revision A
The design of a three meter class large space telescope (LST) is described. Mechanical design concepts were developed which integrate the separate spacecraft, telescope and instrument structures in such a way as to minimize their interaction during launch and orbital operation. The LST is of the Ritchey-Chretin type with a primary optics focal ratio of 3.12 to an overall focal ratio of 12.
Source record↗
Safety in earth orbit study. Volume 5: Space shuttle payloads: Safety requirements and guidelines on-orbit phase
Safety requirements and guidelines are listed for the sortie module, upper stage vehicle, and space station for the earth orbit operations of the space shuttle program. The requirements and guidelines are for vehicle design, safety devices, warning devices, operational procedures, and residual hazards.
Source record↗
OSO-6 Orbiting Solar Observatory
The description, development history, test history, and orbital performance analysis of the OSO-6 Orbiting Solar Observatory are presented. The OSO-6 Orbiting Solar Observatory was the sixth flight model of a series of scientific spacecraft designed to provide a stable platform for experiments engaged in the collection of solar and celestial radiation data. The design objective was 180 days of orbital operation. The OSO-6 has telemetered an enormous amount of very useful experiment and housekeeping data to GSFC ground stations. Observatory operation during the two-year reporting period was very successful except for some experiment instrument problems.
Source record↗
Ultraviolet television data from the Orbiting Astronomical Observatory. 1: Instrumentation and analysis techniques for the celescope experiment
The celescope instrumentation and data analysis system is described, the major problems encountered during orbital operation are summerized, and a few major problems that were anticipated but did not materialize are listed.
Davis, R. J.↗
Measurement of apparent thermal conductivity of multilayer insulations at low compressive loads.
A description is presented of the test calorimeter, the experimental technique, and the results obtained in an evaluation of four multilayer insulations selected for application on future multilaunch space vehicles utilizing liquid hydrogen and oxygen for orbital operations. Particular attention is paid to techniques for minimizing error in obtaining thermal conductivity data. The effective conductivity for four high-performance insulations was determined at a minimum of four compressive loads in the range from 0.0001 to 0.1 psi. Results show that the thermal conductivity of multilayer insulations is insensitive to small changes in mechanical loading at 1 torr interstitial gas pressure, but becomes increasingly more sensitive to mechanical loading as the interstitial gas pressure is reduced.
Holmes, V. L.↗
Modification and updating of the Manned Activity Scheduling System (MASS) for shuttle and shuttle payloads analysis. Volume 2: Space shuttle sortie payload analysis
Space shuttle operations include a significant number of launches with a sortie laboratory serving as a facility for manned experimentation in space. Planning a program of space experiments for a facility of this type requires that both the composition of the laboratory payload and the schedule of experiment operations for each payload be carefully selected. Experiment operations are investigated using the manned activity scheduling system (MASS). Schedules provided by these models assist in selecting experiment groups that efficiently use the laboratory resources and yield the desired experiment accomplishment at the program level. An alternate use of the MASS models provides for establishing the time-dependent supporting resources required for a specified candidate payload. A procedure for defining and analyzing shuttle sortie payloads was developed. This procedure was then applied to the definition of mixed-discipline experiment payloads for an advanced technology laboratory (ATL) supported by two-and three-man crews. The ATL payloads, including schedules of experiment operations, were defined to realize a high percentage of experiment accomplishment. The study considers the sensitivity of experiment accomplishment rate to variations of system parameters such as crew cross training, crew operations, shuttle and laboratory resources, ground target systems, and operational orbits.
Huyett, R. C.↗
Microbiological assay of the Marshall Space Flight Center neutral buoyancy simulator
A neutral buoyancy simulator tank system is described in terms of microbiological and medical safety for astronauts. The system was designed to simulate a gravity-free state for evaluation of orbital operations in a microorganism-free environment. Methods for the identification and elimination of specific microorganisms are dealt with as measures for a pure system of space environment simulation.
Beyerle, F. J.↗
ERTS 1 flight evaluation report, 23 October 1972 - 23 January 1973
Analyses of ERTS-1 performance for the second three months of operation, orbits 1300 to 2600, are presented.
Source record↗
Natural environment design requirements for the Solar Electric Propulsion Stage (SEPS)
The natural environment design requirements for the solar electric propulsion stage are presented. Environment criteria for the SEP stage will cover earth orbital operations out to geosynchronous altitudes and also interplanetary missions including comet and asteroid missions.
Andrews, L. E.↗