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  • Other Sources  (1,015)
  • SPACECRAFT DESIGN, TESTING AND PERFORMANCE  (1,015)
  • 1980-1984  (1,015)
  • 11
    Publication Date: 2019-08-28
    Description: Concepts for a U.S. space station were studied to achieve the full potential of the Space Shuttle and to provide a more permanent presence in space. The space station study is summarized in the following questions: Given a space station in orbit in the 1990's, how should it best be used to achieve science and applications objectives important at that time? To achieve those objectives, of what elements should the station be comprised and how should the elements be configured and equipped. These questions are addressed.
    Keywords: SPACECRAFT DESIGN, TESTING AND PERFORMANCE
    Type: JPL Spaceborne Imaging Radar Symp.; p 144-156
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  • 12
    Publication Date: 2019-08-28
    Description: Design guidelines and functional systems being considered in the process of defining the configuration of the automated systems for a manned space station are outlined. The requirements are dependent on life-cycle costing and will set the necessary level of automation, as well as autonomy from outside commands. Fault protection routines have been largely devised according to successful programming on the Voyager spacecraft. An analysis is still needed of the housekeeping functions, including human necessities, machine functions, and mission objectives. A data base will result, defining the functions that have historically been delegated to either man or machine. Care must be taken to coordinate and document stationkeeping functions that might interface with mission functions. A data management system that is flexible with regards to changing mission objectives and to the MTBF factors, which will determine the level of technology to be used is required. Expert systems will be integrated into the automation to guide the machines in problem solving, including ensuring adequate management of the battery subsystem.
    Keywords: SPACECRAFT DESIGN, TESTING AND PERFORMANCE
    Type: American Control Conference; Jun 14, 1982 - Jun 16, 1982; Arlington, VA
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  • 13
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    In:  Other Sources
    Publication Date: 2019-08-28
    Description: A special payload carrier structure has been developed in order to provide Space Shuttle flight accommodations for an exceptionally heavy instrument package requiring no subsystems support. This Mission Peculiar Equipment Support Structure (MPESS) will support the OSTA-2 payload for a materials processing mission. The modular design of the MPESS offers a payload support capability at multiple locations within the Space Shuttle cargo bay. The MPESS is also scheduled for use with earth observation instruments to be carried by the OSTA-3 mission in late 1984.
    Keywords: SPACECRAFT DESIGN, TESTING AND PERFORMANCE
    Type: NASA-ESA Spacelab systems and programs; Apr 23, 1981 - Apr 24, 1981; Washington, DC
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  • 14
    Publication Date: 2019-08-28
    Description: An investigation of cooling properties of the gaseous medium was performed in the biosatellite Kosmos-936 as well as in the orbital complexes Soyuz-28/Salyut-6 and Soyuz-30/Salyut-6 with the aid of an especially constructed electric dynamic catathermometer. In this instrument current was measured which was necessary to keep a steady settled temperature of the sensing device. The investigation was performed because of the disturbed heat exhange of the human body caused by lack of natural convection in weightlessness. The instrument also enabled objective estimation of the temperature of the cosmonaut's ody in six optionally selected regions. The results obtained by means of the catathermometer will also enable defining the appropriate hygienic conditions of the gaseous medium of space stations.
    Keywords: SPACECRAFT DESIGN, TESTING AND PERFORMANCE
    Type: NASA-TM-76794 , NAS 1.15:76794
    Format: application/pdf
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  • 15
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    In:  Other Sources
    Publication Date: 2019-08-28
    Description: The design and construction of small size man made Earth satellites for scientific research and scholarly purposes is reviewed. All stages of the work organization, from design to launching of a satellite, are covered.
    Keywords: SPACECRAFT DESIGN, TESTING AND PERFORMANCE
    Type: Without Tables of Ranks and the Iskra Student Design Bureau (NASA-TM-76277); p 13-16
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  • 16
    Publication Date: 2019-08-28
    Description: Possible configurations of space vehicles which would be delivered to Venus by rocket system in order to autonomously carry out flights in an automatic (and possibly piloted) mode are considered with respect to mission and flight altitude. Base (high altitude) vehicles, operating at pressure, sendity, and temperature corresponding to those on Earth at sea level, will have little maneuverability, will serve as carriers for equipment, scientific devices, and other cargo, and will study the gas composition of the Venus atmosphere from above. Low altitude vehicles will explore the planet from flight altitude in the vicinity of the planet's surface, as well as land on it. Analogous to deep submergence vehicles such as the bathyscaphe and the bathyplane, they will have a certain amount of maneuverability and will study the atmospheric boundary layer from below. The advantages of aerostats in this environment are discussed. Drawings of the aerostatic base station, the variable-length aerostatic sing vehicle, and the hybrid aerostatic vehicle with attached wings are included.
    Keywords: SPACECRAFT DESIGN, TESTING AND PERFORMANCE
    Type: NASA-TM-75932
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  • 17
    Publication Date: 2019-08-27
    Description: The paper describes the NASA research program to provide low and ultralow temperature cryogenic cooler systems for future space missions. These include mechanical, solid cryogen, superfluid helium, helium-3, and helium-3/helium-4 dilution coolers, and all systems must function in the zero gravity environment of space. The temperatures produced range from tens of kelvin down to a few millikelvin; at higher temperatures cooling loads for sensors or detectors and associated sun shields may range up to a few watts. At the ultralow temperature end, cooling loads must be limited to tens of microwatts.
    Keywords: SPACECRAFT DESIGN, TESTING AND PERFORMANCE
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  • 18
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    In:  CASI
    Publication Date: 2019-08-27
    Description: The design of a permanently manned space station is discussed. The role of the space shuttle, planning guidelines, international cooperation, and commercial possibilities are among the topics discussed.
    Keywords: SPACECRAFT DESIGN, TESTING AND PERFORMANCE
    Type: NASA-TM-87474 , NAS 1.15:87474 , DGLR/A.A.S./AIAA Symp.,; Oct 03, 1984 - Oct 05, 1984; Hamburg; Germany
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  • 19
    Publication Date: 2019-08-27
    Description: Future missions is space will require controlling spacecraft which are both large and flexible. The limited inherent damping and the uncertain and changing dynamic characteristics of many of these vehicles, such as manned space stations and large antennas, will revolutionize spacecraft control requirements. In preparation for the time that such control systems are required, considerable research and technology development is necessary. A program is in place at NASA for the development of active control technology to support major initiatives for space station and advanced spacecraft. A number of key control technology program needs are cited in the paper as required for these and other future NASA missions together with an integrated controls/structures technology flight experiment to demonstrate and validate technology for large flexible structures.
    Keywords: SPACECRAFT DESIGN, TESTING AND PERFORMANCE
    Type: AGARD Guidance and Control Tech. for Advan. Space Vehicles; 14 p
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  • 20
    Publication Date: 2019-08-27
    Description: This paper is dedicated to the possible investigation of the utilization of the solar radiation pressure for the spacecraft motion control in the vicinity of collinear libration point of planar restricted ring problem of three bodies. The control is realized by changing the solar sail area at its permanent orientation. In this problem the influence of the trajectory errors and the errors of the execution control is accounted. It is worked out, the estimation method of the solar sail sizes, which are necessary for spacecraft keeping in the vicinity of collinear libration point during the certain time with given probability. The main control parameters were calculated for some examples in case of libration points of the Sun-Earth and Earth-Moon systems.
    Keywords: SPACECRAFT DESIGN, TESTING AND PERFORMANCE
    Type: NASA-TM-77224 , NAS 1.15:77224
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