Exact Solutions Of Laminar Boundary Layer Equations With Constant Property Values For Porous Wall With Variable Temperature
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Author | : Patrick L. Donoughe |
Publisher | : |
Total Pages | : 50 |
Release | : 1954 |
Genre | : Aeronautics |
ISBN | : |
Exact solutions of the laminar-boundary-layer equations for wedge-type flow with constant property values are presented for transpiration-cooled surfaces with variable wall temperatures. The difference between wall and stream temperature is aussumed proportional to a power of the distance from the leading edge. Solutions are given for a Prandtl number of 0.7 and ranges of pressure-gradient, cooling-air-flow, and wall-temperature-gradient parameters. Boundary-layer profiles, dimensionaless boundary-layer thicknesses, and heat-transfer coefficents are given in both tabular and graphical form. Corresponding results for constant wall temperature and for impermeable surfaces are included for comparison purposes.
Author | : |
Publisher | : |
Total Pages | : 430 |
Release | : 1954 |
Genre | : Aeronautics |
ISBN | : |
Author | : United States. National Advisory Committee for Aeronautics |
Publisher | : |
Total Pages | : 460 |
Release | : 1958 |
Genre | : Aeronautics |
ISBN | : |
Author | : |
Publisher | : |
Total Pages | : 818 |
Release | : 1954 |
Genre | : Aeronautics |
ISBN | : |
Author | : United States. National Advisory Committee for Aeronautics |
Publisher | : |
Total Pages | : 580 |
Release | : 1956 |
Genre | : Aeronautics |
ISBN | : |
Author | : |
Publisher | : |
Total Pages | : 50 |
Release | : 1959 |
Genre | : Aerodynamics |
ISBN | : |
Author | : Louis A. Girifalco |
Publisher | : |
Total Pages | : 1082 |
Release | : 1959 |
Genre | : Crystals |
ISBN | : |
A general theory of solid-state diffusion in strained systems is developed on a molecular-kinetic basis. The theory predicts that for simple strains the diffusion coefficient is an exponential function of the lattice parameter and that the rate of change of the diffusion coefficient with strain is linearly related to the interatomic forces. It has also been shown that for plastic flow the diffusion coefficient is a linear function of strain rate. All the conclusions are confirmed by the data available in the literature.
Author | : United States. National Advisory Committee for Aeronautics |
Publisher | : |
Total Pages | : 442 |
Release | : |
Genre | : Aeronautics |
ISBN | : |
Author | : United States. National Advisory Committee for Aeronautics |
Publisher | : |
Total Pages | : 508 |
Release | : 1954 |
Genre | : Aeronautics |
ISBN | : |
Author | : United States. Dept. of Commerce. Office of Technical Services |
Publisher | : |
Total Pages | : 850 |
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