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  • FLUID MECHANICS AND HEAT TRANSFER
  • 1970-1974  (17)
  • 1
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    Nonlinear effects on droplet deformation (1974)
    In:  CASI
    Details
    Publication Date: 2004-10-30
    Keywords: FLUID MECHANICS AND HEAT TRANSFER
    Type: JPL Proc. of the Intern. Colloq. on Drops and Bubbles, Vol. 2; p 372-389
    Format: text
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  • 2
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    Water drop interactions (1974)
    In:  CASI
    Details
    Publication Date: 2004-10-30
    Keywords: FLUID MECHANICS AND HEAT TRANSFER
    Type: JPL Proc. of the Intern. Colloq. on Drops and Bubbles, Vol. 2; p 487-505
    Format: text
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  • 3
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    First-order reactant in homogeneous turbulence before the final period of decay (1974)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Description: A method is described for studying theoretically the concentration fluctuations of a dilute contaminate undergoing a first-order chemical reaction. The method is based on Deissler's (1958) theory for homogeneous turbulence for times before the final period, and it follows the approach used by Loeffler and Deissler (1961) to study temperature fluctuations in homogeneous turbulence. Four-point correlation equations are obtained; it is assumed that terms containing fifth-order correlation are very small in comparison with those containing fourth-order correlations, and can therefore be neglected. A spectrum equation is obtained in a form which can be solved numerically, yielding the decay law for the concentration fluctuations in homogeneous turbulence for the period much before the final period of decay.
    Keywords: FLUID MECHANICS AND HEAT TRANSFER
    Type: Physics of Fluids; 17; July 197
    Format: text
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  • 4
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    Prediction of turbulent shear layers in turbomachines (1974)
    In:  CASI
    Details
    Publication Date: 2016-06-07
    Description: The characteristics of turbulent shear layers in turbomachines are compared with the turbulent boundary layers on airfoils. Seven different aspects are examined. The limits of boundary layer theory are investigated. Boundary layer prediction methods are applied to analysis of the flow in turbomachines.
    Keywords: FLUID MECHANICS AND HEAT TRANSFER
    Type: Pennsylvania State Univ. Fluid Mech., Acoustic, and Design of Turbomachinery, Pt. 1; p 251-277
    Format: application/pdf
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  • 5
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    Nucleation theory and its atmospheric applications (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Keywords: FLUID MECHANICS AND HEAT TRANSFER
    Type: JPL Proc. of the Intern. Colloq. on Drops and Bubbles, Vol. 2; p 506-528
    Format: text
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  • 6
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    Multi-chamber controllable heat pipe (1970)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A temperature controllable heat pipe switching device is reported. It includes separate evaporating and condensing chambers interconnected by separate vapor flow and liquid return conduits. The vapor flow conduit can be opened or closed to the flow of vapor, whereas the liquid return conduit blocks vapor flow at all times. When the vapor flow path is open, the device has high thermal conductivity, and when the vapor flow path is blocked the device has low thermal conductivity.
    Keywords: FLUID MECHANICS AND HEAT TRANSFER
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  • 7
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    Heat pipe with dual working fluids (1973)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A heat pipe design is offered that utilizes an auxiliary working fluid. The fluid, although being less efficient than the main working fluid, remains liquid at low heat loads when the main working fluid freezes.
    Keywords: FLUID MECHANICS AND HEAT TRANSFER
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  • 8
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    Acoustical theory of turbulence (1974)
    In:  Other Sources
    Details
    Publication Date: 2019-06-27
    Description: Fluid functions are expanded in a series of functions constituting a complete and orthogonal system of wave solutions of the linearized Navier-Stokes system. The motion of characteristic waves is described by Hamiltonian equations of ray acoustics. Amplitude of the waves is described with the aid of nonlinear interaction terms. The distribution functions (squares of amplitudes) satisfy Boltzmann-type equations and completely describe the mean turbulence properties.
    Keywords: FLUID MECHANICS AND HEAT TRANSFER
    Type: Archiwum Mechaniki Stosowanej; 26; 5, 19; 1974
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  • 9
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    Wind Tunnel Generation of Sinusoidal Lateral and Longitudinal Gusts by Circulation of Twin Parallel Airfoils (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A gust generator capable of producing sinusoidal lateral and longitudinal gusts was developed for the purpose of studying the gust response of a model rotor-propeller in a wind tunnel. The gust generator utilized harmonic circulation control of twin parallel airfoils to achieve the harmonic lift variation required for gust generation. The gust generator design, construction, and testing is described. Typical test results are presented in the form of lateral and longitudinal gust perturbation velocities as a function of generator reduced frequency.
    Keywords: FLUID MECHANICS AND HEAT TRANSFER
    Type: NASA-CR-137547 , ASRL-TR-174-3
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  • 10
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    Free convection over a vertical porous plate with transpiration (1974)
    In:  Other Sources
    Details
    Publication Date: 2019-06-27
    Description: The problem of free convection over an isothermal vertical porous plate with transpiration is studied both numerically and experimentally. Numerical solutions to the variable-property transpired free-convection boundary layer equations have been obtained using the finite difference procedure of Patankar and Spalding (1967). The effects of uniform transpiration on heat transfer and on temperature and velocity profiles are predicted. Interferometrically measured nondimensional temperature profiles for the uniform wall temperature and transpiration case agreed closely with these numerical predictions.
    Keywords: FLUID MECHANICS AND HEAT TRANSFER
    Type: International Journal of Heat and Mass Transfer; 17; Dec. 197
    Format: text
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