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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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At least 595 records · Page 33
All sourcesNASA NTRSDOE OSTI
NASA NTRS1971

Skylab 3 preliminary reference Earth Resources Experiment Package (EREP) pass planning document. Volume 2: EREP sites and S190 swath study of selected revs

The ground tracks and S190 swaths are presented of selected revolutions over areas containing earth resources experiment package (EREP) sites. The following eight EREP disciplines are shown: sensor performance evaluation, forestry, geology, hydrology, land use mapping, oceanography, pollution, and weather. Most of the data reported consists of passes over the continental United States.

Lunde, A. N.↗
NASA NTRS1971

Nimbus 4/IRLS Balloon Interrogation Package (BIP)

The balloon interrogation package (BIP), an integral part of the overall interrogation, recording, and location subsystems (IRLS) for the Nimbus 4 program, is described. The BIP is a self-contained, integrated transponder designed to be carried aloft by a constant altitude, superpressure balloon to an altitude of 67,000 or 78,000 feet. After launch the BIP senses high-altitude balloon overpressure and temperature, and upon receipt of an interrogated command from the IRLS aboard the Nimbus 4 satellite, the BIP enodes the data on a real-time basis into a pulse-code modulation (PCM) format and transmits this data to the satellite. A summary of the program activity to produce 30 BIP systems and to support balloon launches from Ascension Island is presented.

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NASA NTRS1972

The 200 watt SHF transmitter experiment package

A 200 watt SHF transmitter experiment package is discussed that incorporates a traveling wave tube utilizing a multistage depressed collector for efficiency enhancement. This experiment is being developed for flight testing on the CTS (Communications Technology Satellite).

Alexovich, R.↗
NASA NTRS1970

Energetic particles experiment instrumentation packaging program for IMP-F (Explorer 34) and IMP-G (Explorer 41) NASA Interplanetary Monitoring Platform program

The package design and assembly techniques for the IMP-F and IMP-G space-physics experiments, provided for the NASA Interplanetary Monitoring Platform Program are described. Thin-film, hybrid, integrated circuits used in these instruments to increase component density and reliability, and special procedures and precautions for the fabrication of space hardware are described.

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NASA NTRS1972

Engineering report on the OAO-2 Wisconsin experiment package

The continued useful operation of the OAO-2 Wisconsin Experiment Package (WEP) for almost three years after its December 1968 launch is evidence of a superior engineering accomplishment. Reliability features of the experiment concept and design which have contributed to its long life are presented. Data anomalies and partial failures are summarized along with conclusions regarding their causes. The thermal, vacuum and radiation effects of the space environment are shown to be minimal and quite localized within the WEP.

Bendell, C. B.↗
NASA NTRS1972

Maintainability design criteria for packaging of spacecraft replaceable electronic equipment.

Maintainability must be designed into long-duration spacecraft and equipment to provide the required high probability of mission success with the least cost and weight. The ability to perform repairs quickly and easily in a space environment can be achieved by imposing specific maintainability design criteria on spacecraft equipment design and installation. A study was funded to investigate and define design criteria for electronic equipment that would permit rapid removal and replacement in a space environment. The results of the study are discussed together with subsequent simulated zero-g demonstration tests of a mockup with new concepts for packaging.

Kappler, J. R.↗
NASA NTRS1972

Scientific Instrument Package for the large space telescope (SIP)

The feasibility of a scientific instrument package (SIP) that will satisfy the requirements of the large space telescope was established. A reference configuration serving as a study model and data which will aid in the trade-off studies leading to the final design configuration are reported.

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NASA NTRS1972

Long life assurance study for manned spacecraft long life hardware. Volume 2: Long life assurance studies of EEE parts and packaging

Guidelines for the design, development, and fabrication of electronic components and circuits for use in spacecraft construction are presented. The subjects discussed involve quality control procedures and test methodology for the following subjects: (1) monolithic integrated circuits, (2) hybrid integrated circuits, (3) transistors, (4) diodes, (5) tantalum capacitors, (6) electromechanical relays, (7) switches and circuit breakers, and (8) electronic packaging.

Source record↗
NASA NTRS1973

Circuit board package with wedge shaped covers

A circuit board packaging and mounting technique that protects the wiring board from vibrations and contamination is described. The technique also augments chassis rigidity and damping and conducts component generated heat to the chassis.

Pesek, C. T.↗
NASA NTRS1973

Science instrumentation package, LST

The projected design of an optical instrument package for the large space telescope includes: a diffraction limited camera; low- and high-dispersion spectrographs; astrometric machines; photometers; polarimeters; F/12 camera; Fourier interferometer; infrared instrumentation; and a very high dispersion spectrographs.

Levin, G.↗
NASA NTRS1972

The 200 watt SHF transmitter experiment package.

Description of a 200 watt superhigh-frequency transmitter experiment package that incorporates a traveling wave tube utilizing a multistage depressed collector for efficiency enhancement. The experiment is being developed for flight testing on the CTS satellite. The ultimate purpose is the development of communication technology for future high power communication satellite applications.

Alexovich, R.↗
NASA NTRS1974

Space shuttle/food system study. Volume 2, Appendix F: Flight food and primary packaging

The analysis and selection of food items and primary packaging, the development of menus, the nutritional analysis of diet, and the analyses of alternate food mixes and contingency foods is reported in terms of the overall food system design for space shuttle flight. Stowage weights and cubic volumes associated with each alternate mix were also evaluated.

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NASA NTRS1974

Apollo experience report: A use of network simulation techniques in the design of the Apollo lunar surface experiments package support system

A case study of data-communications network modeling and simulation is presented. The applicability of simulation techniques in early system design phases is demonstrated, and the ease with which model parameters can be changed and comprehensive statistics gathered is shown. The discussion of the model design and application also yields an insight into the design and implementation of the Apollo lunar surface experiments package ground-support system.

Gustafson, R. A.↗
NASA NTRS1974

Apollo experience report: Apollo lunar surface experiments package data processing system

Apollo Program experience in the processing of scientific data from the Apollo lunar surface experiments package, in which computers and associated hardware and software were used, is summarized. The facility developed for the preprocessing of the lunar science data is described, as are several computer facilities and programs used by the Principal Investigators. The handling, processing, and analyzing of lunar science data and the interface with the Principal Investigators are discussed. Pertinent problems that arose in the development of the data processing schemes are discussed so that future programs may benefit from the solutions to the problems. The evolution of the data processing techniques for lunar science data related to recommendations for future programs of this type.

Eason, R. L.↗
NASA NTRS1974

Flight performance of the Skylab earth resources experiment package

The earth resources experiment package consisted of six facility-type sensors, which were flown on the Skylab spacecraft to collect data for a large group of investigators. For satisfactory interpretation of their data, many of these investigators required knowledge of the actual realized sensor performance, which may have differed from ground-based test performance. Functional, geometric, and radiometric evaluations of each sensor were made by using flight data from selected ground scenes, the moon, and dark space. As a result of these evaluations made during the Skylab missions, several sensor operation anomalies were identified and the appropriate corrective action was taken.

Potter, A. E.↗
NASA NTRS1974

OAO 2/Wisconsin Experiment Package (WEP) photometer users guide

The user's guide is intended to enable astronomers to reduce the filter photometry data obtained by the WEP carried on the OAO 2 spacecraft. Only information related to the stellar photometer contained within the experiment package is presented, since the nebular photometer failed after 2-1/2 months of operation, while the stellar photometers provided roughly 49 months worth of data.

Wende, C. D.↗
NASA NTRS1974

Thermoelectric Outer Planets Spacecraft (TOPS) electronic packaging and cabling development summary report

Electronic packaging and cabling activities performed in support of the Thermoelectric Outer Planets Spacecraft (TOPS) Advanced Systems Technology (AST) project are detailed. It describes new electronic compartment, electronic assembly, and module concepts, and a new high-density, planar interconnection technique called discrete multilayer (DML). Development and qualification of high density cabling techniques, using small gage wire and microminiature connectors, are also reported.

Dawe, R. H.↗