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  • Other Sources  (21,615)
  • AERODYNAMICS  (12,790)
  • FLUID MECHANICS AND HEAT TRANSFER  (8,825)
  • 1
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    Astronautics and aeronautics, 1969 Chronology on science, technology, and policy (1970)
    In:  CASI
    Details
    Publication Date: 2019-08-28
    Description: Statistical mechanics for wall shear turbulence in Couette flow based on Brownian motion and comparison with stochastic theory based on Navier-Stokes equation
    Keywords: AERODYNAMICS
    Type: NASA-SP-4014
    Format: application/pdf
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  • 2
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    Aeronautical Engineering A special bibliography with indexes, supplement 7 (1971)
    In:  CASI
    Details
    Publication Date: 2019-08-28
    Description: Annotated bibliography and indexes on aeronautical engineering and aerodynamics - July 1971
    Keywords: AERODYNAMICS
    Type: NASA-SP-7037(07)
    Format: application/pdf
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  • 3
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    Analytic Methods in Aircraft Aerodynamics (1970)
    In:  CASI
    Details
    Publication Date: 2019-08-28
    Description: Analyses of aircraft aerodynamic characteristics
    Keywords: AERODYNAMICS
    Type: NASA-SP-228 , A Symposium Held at Ames Research Center; Oct 28, 1969 - Oct 30, 1969; MOFFETT FIELD, CA; United States
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  • 4
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    Aeronautical Engineering - A special bibliography with indexes /supplement 1/ (1971)
    In:  CASI
    Details
    Publication Date: 2019-08-28
    Description: Annotated reference bibliography on aeronautical engineering documents
    Keywords: AERODYNAMICS
    Type: NASA-SP-7037(01)
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  • 5
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    The National and International Significance of the Lunar Exploration Program (1963)
    In:  Other Sources
    Details
    Publication Date: 2019-08-28
    Description: Review of steps taken by nasa toward landing a man on the moon
    Keywords: AERODYNAMICS
    Type: Advancees in the Astronautical Sciences: Manned Lunar Flight; 10; 11-20
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  • 6
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    Aeronautical engineering - A special bibliography, supplement 2 (1971)
    In:  CASI
    Details
    Publication Date: 2019-08-28
    Description: Annotated bibliography and indexes on aeronautical engineering and aerodynamics - Jan. 1971
    Keywords: AERODYNAMICS
    Type: NASA-SP-7037(02)
    Format: application/pdf
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  • 7
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    Low gravity quenching of hot tubes with cryogens (1992)
    In:  Other Sources
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    Publication Date: 2019-08-28
    Description: An experimental proceedure for examining flow boiling in low gravity environment is presented. The proceedure involves both ground based and KC-135 flight experiments. Two experimental apparati were employed, one for studying subcooled liquid boiling and another for examining saturated liquid boiling. For the saturated flow experiments, liquid nitrogen was used while freon 113 was used for the subcooled flow experiments. The boiling phenomenon was investigated in both cases using flow visualization techniques as well as tube wall temperature measurements. The flow field in both cases was established by injecting cold liquid in a heated tube whose temperature was set above the saturation values. The tubes were both vertically and horizontally supported with the liquid injected from the lower end of the tube. The results indicate substantial differences in the flow patterns established during boiling between the ground based, (1-g), experiments and the flight experiments, (low-g). These differences in the flow patterns will be discussed and some explanations will be offered.
    Keywords: FLUID MECHANICS AND HEAT TRANSFER
    Type: ; : Algorithmic trends
    Format: text
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  • 8
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    The coefficient of restitution of ice particles in glancing collisions: Experimental results for unfrosted surfaces (1995)
    In:  Other Sources
    Details
    Publication Date: 2019-08-28
    Description: Both Saturn's rings and planetesimal disks are made up of particles in Keplerian orbits. Inelastic collisions between these particles regulate their dynamical evolution and possible aggregation. We present an experiment to simulate glancing collisions in Saturn's rings and in planetesimal disks and thus measure contributions to the energy loss for both normal and tangential velocity components. In this experiment, a spherical iceball mounted on a long-period, two dimensional pendulum is made to impact a flat ice surface in a low-temperature environment. This paper describes the experimental apparatus in detail and presents results for smooth unfrosted surfaces. The energy loss for tangential motion is suprisingly low, indicating that very little friction is present at low impact speeds for relatively smooth ice surfaces and temperatures near 100 K. We have also investigated room-temperature collisions of a rubber ball on a rough surface to understand the energy loss in situations where the tangential friction force is not small. In this analogous case, the energy loss is maximum for impact angles in the range 45 deg-60 deg.
    Keywords: FLUID MECHANICS AND HEAT TRANSFER
    Type: Icarus (ISSN 0019-1035); 113; 1; p. 188-199
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  • 9
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    Hypersonic aerodynamics test facility using the external propulsion accelerator (1995)
    In:  Other Sources
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    Publication Date: 2019-08-28
    Description: The use of the External propulsion Accelerator (EPA) for launching models of hypersonic aerodynamic configurations into an instrumented ballistic range is discussed. The aerodynamic model is encased inside an axisymmetric projectile designed to be accelerated to high speed in the EPA. Accelerator lengths required to achieve hypersonic speeds are estimated to vary from 10 meters for Mach 7, 40 meters for Mach 10, 150 meters for Mach 15, and 700 meters for Mach 30, assuming a limit of 50,000 g's acceleration. For a model span of 10 cm to 25 cm, the launch tube diameters are 40 cm and 100 cm, respectively. Using this EPA launcher will enable exact simulation of hypersonic flight in ground facilities where both the gas composition and pressure can be controlled in the ballistic range.
    Keywords: AERODYNAMICS
    Type: AIAA PAPER 95-6138 , AIAA, Aerospace Planes and Hypersonics Technologies Conference; Apr 03, 1995 - Apr 07, 1995; Chattanooga, TN; United States|; 5 p.
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  • 10
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    International Symposium on Microgravity Science and Application (ISMSA), Beijing, China, May 10-13, 1993 (1994)
    In:  Other Sources
    Details
    Publication Date: 2019-08-28
    Description: Papers at this conference on Microgravity Science and Technology concerned fluid science and biotechnology. Some representative titles include the following: Hydrodynamic Instabilities in Thermocapillary Flow; Marangoni Convection in Immiscible Double Liquid Layers; Note on the Instability of Capillary Jet with Thermocapillarity; Residual Gravity Jitter Effects on Fluid Processes; Responsive Motion of Bubbles to Periodic g-jitter; and Protein Crystallization in Space.
    Keywords: FLUID MECHANICS AND HEAT TRANSFER
    Type: Microgravity Science and Technology (ISSN 0938-0108); 7; 2; 139 p.
    Format: text
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