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  • AERODYNAMICS  (552)
  • BIOTECHNOLOGY
  • INSTRUMENTATION AND PHOTOGRAPHY
  • NAVIGATION
  • SPACE SCIENCES
  • 1985-1989  (831)
  • 1965-1969
  • 1960-1964
  • 1986  (831)
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  • 1985-1989  (831)
  • 1965-1969
  • 1960-1964
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  • 1
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    Study of double exposure holography of the 3-dimensional character of the flow around an airfoil profile in a wind tunnel (1986)
    In:  CASI
    Details
    Publikationsdatum: 2019-08-28
    Beschreibung: The tridimensional character of the flow around a profile placed between walls is demonstrated and the incidence induced with the assistance of measurements of velocities by double exposure holography is evaluated. The values obtained by the theory of Menard are compared satisfactorily to the values obtained by this experiment.
    Schlagwort(e): INSTRUMENTATION AND PHOTOGRAPHY
    Materialart: NASA-TM-88486 , NAS 1.15:88486 , REPT-80/31
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
    NASA TECHNICAL REPORTS
  • 2
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    Aerodynamics of the Viggen 37 aircraft. Part 1: General characteristics at low speed (1986)
    In:  CASI
    Details
    Publikationsdatum: 2019-08-28
    Beschreibung: A description of the aerodynamics of the Viggen 37 and its performances, especially at low speeds is presented. The aerodynamic requirements for the design of the Viggen 37 aircraft are given, including the basic design, performance requirement, and aerodynamic characteristics, static and dynamic load test results and flight test results. The Viggen 37 aircraft is designed to be used for air attack, surveillance, pursuit, and training applications. It is shown that this aircraft is suitable for short runways, and has good maneuvering, acceleration, and climbing characteristics. The design objectives for this aircraft were met by utilizing the effect produced by the interference between two triangular wings, positioned in tandem.
    Schlagwort(e): AERODYNAMICS
    Materialart: NASA-TM-88403 , NAS 1.15:88403
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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    NASA TECHNICAL REPORTS
  • 3
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    Formation of asymmetric separated flow past slender bodies of revolution at large angles of attack (1986)
    In:  CASI
    Details
    Publikationsdatum: 2019-08-28
    Beschreibung: The paper examines the problem of determining stationary positions of pairs of vortices of unequal intensity in the flow behind a cylinder modeling the axisymmetric separated flow past a slender body at large angles of attack. The possible asymmetric stationary positions of two vortices are calculated, and their stability with respect to small perturbations is determined. Bifurcations of the flow field with changes in vortex intensity are analyzed.
    Schlagwort(e): AERODYNAMICS
    Materialart: NASA-TM-88441 , NAS 1.15:88441 , (ISSN 0321-3249)
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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    NASA TECHNICAL REPORTS
  • 4
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    Mutual effect of thermochemical surface decomposition and viscous interaction during hypersonic flow past a sharp cone (1986)
    In:  CASI
    Details
    Publikationsdatum: 2019-08-28
    Beschreibung: Numerical results on the hypersonic gas flow in viscous interaction regime past sharp circular cones with thermally destructible Teflon surface are presented. Characteristics of the mutual influence between the thermochemical decomposition of the surface and the viscous interaction are revealed.
    Schlagwort(e): AERODYNAMICS
    Materialart: NASA-TM-78015 , NAS 1.15:78015
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 5
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    Three-dimensional boundary layer analysis program Blay and its application (1986)
    In:  CASI
    Details
    Publikationsdatum: 2019-08-28
    Beschreibung: The boundary layer calculation program (BLAY) is a program code which accurately analyzes the three-dimensional boundary layer of a wing with an undefined plane. In comparison with other preexisting programs, the BLAY is characterized by the following: (1) the time required for computation is shorter than any other; (2) the program is adaptable to a parallel processing computer; and (3) the program is associated with a secondary accuracy in the z-direction. As a boundary layer modification to transonic nonviscous flow analysis programs, it is used to adjust viscous and nonviscous interference problems repeatedly. Its efficiency is an important factor in cost reduction in aircraft designing.
    Schlagwort(e): AERODYNAMICS
    Materialart: NASA-TM-77962 , NAS 1.15:77962 , Jun 30, 1983 - Jul 01, 1983; Tokyo; Japan
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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    NASA TECHNICAL REPORTS
  • 6
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    Comparison of computational results of a few representative three-dimensional transonic potential flow analysis programs (1986)
    In:  CASI
    Details
    Publikationsdatum: 2019-08-28
    Beschreibung: The development of transonic aerodynamic computation methods and specific examples, as well as examples of three-dimensional transonic computation in design, are discussed. The case of the transonic transport and the case of the small transport are analyzed. Requirements for programs of the future are itemized.
    Schlagwort(e): AERODYNAMICS
    Materialart: NASA-TM-77963 , NAS 1.15:77963 , Jun 30, 1983 - Jul 01, 1983; Tokyo; Japan
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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    NASA TECHNICAL REPORTS
  • 7
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    Aerodynamic characteristics of general aviation at high angle of attack with the propeller slipstream (1986)
    In:  CASI
    Details
    Publikationsdatum: 2019-08-27
    Beschreibung: The aerodynamic characteristics of the FA-300 business aircraft at high angle of attack with the propeller stream are described. The FA-300 offers two types, FA-300-700 for 340 HP, and -710 for 450 Hp of the engine. The effects of the propeller slipstream on the high angle of the attack are discussed.
    Schlagwort(e): AERODYNAMICS
    Materialart: NASA-TM-88503 , NAS 1.15:88503 , (ISSN 0021-4663)
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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    NASA TECHNICAL REPORTS
  • 8
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    Infrared diagnosis using liquid crystal detectors (1986)
    In:  CASI
    Details
    Publikationsdatum: 2019-08-27
    Beschreibung: The possible uses of pulsed carbon dioxide lasers for analysis of plasmas and flows need appropriate infrared image converters. Emphasis was placed on liquid crystal detectors and their operational modes. Performance characterstics and selection criteria, such as high sensitivity, short reaction time, and high spatial resolution are discussed.
    Schlagwort(e): INSTRUMENTATION AND PHOTOGRAPHY
    Materialart: NASA-TM-77999 , NAS 1.15:77999 , BMVG-FBWT-73-16
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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    NASA TECHNICAL REPORTS
  • 9
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    A high-temperature heat sensitive element (1986)
    In:  CASI
    Details
    Publikationsdatum: 2019-08-27
    Beschreibung: This invention concerns the high-temperature heat sensitive element which is stable at high temperatures. A solid solution of the main component MgO-Al2O3-Cr2O3-Fe2O3 which contains spinel crystal structure is mixed with the secondary component ZrO2 at the mol ratio of 100 : 0.1 to 5.0 and sintered to prepare a high-temperature heat sensitive element.
    Schlagwort(e): INSTRUMENTATION AND PHOTOGRAPHY
    Materialart: NASA-TM-88520 , NAS 1.15:88520
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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    NASA TECHNICAL REPORTS
  • 10
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    Variable Sweep Transition Flight Experiment (VSTFE)-Parametric Pressure Distribution Boundary Layer Stability Study and Wing Glove Design Task (1986)
    In:  CASI
    Details
    Publikationsdatum: 2019-08-14
    Beschreibung: The Variable Sweep Transition Flight Experiment (VSTFE) was initiated to establish a boundary-layer transition data base for laminar flow wing design. For this experiment, full-span upper-surface gloves will be fitted to a variable sweep F-14 aircraft. The results of two initial tasks are documented: a parametric pressure distribution/boundary-layer stability study and the design of an upper-surface glove for Mach 0.8. The first task was conducted to provide a data base from which wing-glove pressure distributions could be selected for glove designs. Boundary-layer stability analyses were conducted on a set of pressure distributions for various wing sweep angles, Mach numbers, and Reynolds number in the range of those anticipated for the flight-test program. The design procedure for the Mach 0.8 glove is described, and boundary-layer stability calculations and pressure distributions are presented both at design and off-design conditions. Also included is the analysis of the clean-up glove (smoothed basic wing) that will be flight-tested initially and the analysis of a Mach 0.7 glove designed at the NASA Langley Research Center.
    Schlagwort(e): AERODYNAMICS
    Materialart: NASA-CR-3992 , NAS 1.26:3992 , D6-52511
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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