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There are a total of 2126 record(s) matching your query.
Sorted by: Date Added To NTRS in Descending order
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Space station electric power system requirements and design
Author(s): Teren, Fred
Abstract: An overview of the conceptual definition and design of the space station Electric Power System (EPS) is given. Responsibilities for the design and development of the EPS are defined. The EPS requirements are listed and ...
NASA Center: Glenn Research Center
Publication Year: 1987
Added to NTRS: 2005-10-13
Accession Number: 87N22001; Document ID: 19870012568; Report Number: AIAA PAPER 87-9003, E-3577, NAS 1.15:89889, NASA-TM-89889
The effect of Tricresyl-Phosphate (TCP) as an additive on wear of Iron (Fe)
Author(s): Ghose, Hiren M.; Ferrante, John; Honecy, Frank C.
Abstract: The effect of tricresyl phosphate (TCP) as an antiwear additive in lubricant trimethyol propane triheptanoate (TMPTH) was investigated. The objective was to examine step loading wear by use of surface analysis, wetting, and ...
NASA Center: Glenn Research Center
Publication Year: 1987
Added to NTRS: 2005-10-13
Accession Number: 87N27030; Document ID: 19870017597; Report Number: E-2883, NAS 1.15:100103, NASA-TM-100103
The aerodynamic optimization of wings at subsonic speeds and the influence of wingtip design
Author(s): Zimmer, H.
Abstract: Some of the objectives of modern aircraft development are related to the achievement of reduced fuel consumption and aircraft noise. This investigation is mainly concerned with the aerodynamic aspects of aircraft ...
NASA Center: NASA (non Center Specific)
Publication Year: 1987
Added to NTRS: 2005-10-13
Accession Number: 87N22627; Document ID: 19870013194; Report Number: NAS 1.15:88534, NASA-TM-88534
A preliminary study of factors affecting the calibration stability of the iridium versus iridium-40 percent rhodium thermocouple
Author(s): Ahmed, Shaffiq; Germain, Edward F.; Daryabeigi, Kamran; Alderfer, David W.; Wright, Robert E.
Abstract: An iridium versus iridium-40 rhodium thermocouple was studied. Problems associated with the use of this thermocouple for high temperature applications (up to 2000 C) were investigated. The metallurgical studies included ...
NASA Center: Langley Research Center
Publication Year: 1987
Added to NTRS: 2005-10-13
Accession Number: 87N17018; Document ID: 19870007585; Report Number: NAS 1.15:89086, NASA-TM-89086
Unique research challenges for high-speed civil transports
Author(s): Jackson, Charlie M., Jr.; Morris, Charles E. K., Jr.
Abstract: Market growth and technological advances are expected to lead to a generation of long-range transports that cruise at supersonic or even hypersonic speeds. Current NASA/industry studies will define the market windows in ...
NASA Center: Langley Research Center
Publication Year: 1987
Added to NTRS: 2005-10-13
Accession Number: 87N27651; Document ID: 19870018218; Report Number: NAS 1.15:100490, NASA-TM-100490
Stability of bromine, iodine monochloride, copper (II) chloride, and nickel (II) chloride intercalated pitch-based graphite fibers
Author(s): Gaier, James R.; Slabe, Melissa E.; Shaffer, Nanette
Abstract: Four different grades of pitch-based graphite fibers (Amoco P-55, P-75, P-100. and P-120) were intercalated with each of four different intercalates: bromine (Br2), iodine monochloride (ICl), copper (II) chloride (CuCl2), ...
NASA Center: Glenn Research Center
Publication Year: 1987
Added to NTRS: 2005-10-13
Accession Number: 87N24563; Document ID: 19870015130; Report Number: E-3431, NAS 1.15:89904, NASA-TM-89904
Solid rocket booster joint seal analyses
Author(s): Moore, Carleton J.
Abstract: O-ring response and sealing in pressurized shell structures is examined. The study found that the key elements in the failure of the seal to be joint opening and rotation, assembly out of roundness, and O-ring seal response.
NASA Center: Marshall Space Flight Center
Publication Year: 1987
Added to NTRS: 2005-10-13
Accession Number: 87N17039; Document ID: 19870007606; Report Number: NAS 1.15:86580, NASA-TM-86580
A computer system to analyze showers in nuclear emulsions: Center Director's discretionary fund report
Author(s): Meegan, C. A.; Fountain, W. F.; Berry, F. A., Jr.
Abstract: A system to rapidly digitize data from showers in nuclear emulsions is described. A TV camera views the emulsions though a microscope. The TV output is superimposed on the monitor of a minicomputer. The operator uses the ...
NASA Center: Marshall Space Flight Center
Publication Year: 1987
Added to NTRS: 2005-10-13
Accession Number: 87N28403; Document ID: 19870018970; Report Number: NAS 1.15:100310, NASA-TM-100310
Analysis and test of superplastically formed titanium hat-stiffened panels under compression
Author(s): Davis, Randall C.; Royster, Dick M.; Bales, Thomas T.
Abstract: Four hat-stiffened titanium panels with two different stiffener configurations were fabricated by superplastic forming/weld brazing and tested under a moderately heavy compressive load. The panels had the same overall ...
NASA Center: Langley Research Center
Publication Year: 1987
Added to NTRS: 2005-10-13
Accession Number: 87N18119; Document ID: 19870008686; Report Number: NAS 1.15:88989, NASA-TM-88989
Compendium of NASA Langley reports on hypersonic aerodynamics
Author(s): Sabo, Frances E.; Cary, Aubrey M.; Lawson, Shirley W.
Abstract: Reference is made to papers published by the Langley Research Center in various areas of hypersonic aerodynamics for the period 1950 to 1986. The research work was performed either in-house by the Center staff or by other ...
NASA Center: Langley Research Center
Publication Year: 1987
Added to NTRS: 2005-10-13
Accession Number: 87N16802; Document ID: 19870007369; Report Number: NAS 1.15:87760, NASA-TM-87760
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