On the propulsive efficiency of vibrating bodies in a subsonic gas flow

1985 ◽  
Vol 19 (4) ◽  
pp. 624-628 ◽  
Author(s):  
M. N. Kogan ◽  
M. V. Ustinov
Keyword(s):  
Gas Flow ◽  
Propulsive Efficiency ◽  
Subsonic Gas Flow

Method of calculating subsonic gas flow with separation past wings

1985 ◽  
Vol 19 (4) ◽  
pp. 636-642
Author(s):  
S. M. Belotserkovskii ◽  
V. N. Korzhnev ◽  
S. D. Shipilov
Keyword(s):  
Gas Flow ◽  
Subsonic Gas Flow

Choking of a Subsonic Gas Flow by Thermal Radiation

1969 ◽  
Vol 12 (3) ◽  
pp. 524 ◽  
Author(s):  
Franklin K. Moore
Keyword(s):  
Thermal Radiation ◽  
Gas Flow ◽  
Subsonic Gas Flow

Wall Temperature and Prandtl Number Effects on Turbulent Boundary Layer Thicknesses and Shape Factors for Subsonic Compressible Gas Flow Over a Flat Plate

1969 ◽  
Author(s):  
W. J. Kelnhofer
Keyword(s):  
Boundary Layer ◽  
Turbulent Boundary Layer ◽  
Prandtl Number ◽  
Flat Plate ◽  
Wall Temperature ◽  
Gas Flow ◽  
Density Variation ◽  
Shape Factors ◽  
Heating And Cooling ◽  
Subsonic Gas Flow

Based on n-power velocity and temperature profiles a method of computing various turbulent boundary layer thicknesses and shape factors affected by wall temperature and Prandtl number for fully developed subsonic gas flow over a flat plate is presented. Density variation in the boundary layer is given main consideration. Numerical computations include both heating and cooling of gas. Boundary layer thicknesses and shape factors are shown to be significantly affected by wall temperature and to a lesser degree by Prandtl number. An experiment is described which involved air flow up to 30 m/sec over a flat plate maintained at constant wall temperatures up to 250 C. Comparisons between theory and experiment are good.

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