Laminar boundary layer over a body of revolution at extremely high incidence

1974 ◽  
Vol 17 (7) ◽  
pp. 1381 ◽  
Author(s):  
K. C. Wang
Keyword(s):  
Boundary Layer ◽  
Laminar Boundary Layer ◽  
Body Of Revolution ◽  
High Incidence

BUOYANCY EFFECTS ON UNSTEADY LAMINAR AND ROTATIONALLY SYMMETRICAL BOUNDARY LAYER

1999 ◽  
Vol 23 (3-4) ◽  
pp. 397-408 ◽  
Author(s):  
A. Öztürk ◽  
M.C. Ece
Keyword(s):  
Boundary Layer ◽  
Velocity Field ◽  
Mixed Convection ◽  
Laminar Boundary Layer ◽  
Boundary Layer Flow ◽  
Buoyancy Force ◽  
Body Of Revolution ◽  
First Order ◽  
In Series ◽  
Layer Flow

Initiai development of the laminar boundary-layer flow over an impulsively started translating and spinning isothermal body of revolution in the case of mixed convection is investigated. Velocity components and temperature are expanded in series in powers of time. Leading and first order functions are obtained analytically and second order functions are determined numerically. The general results are applied to a sphere to investigate the effects of density variations on velocity field and on the onset of separation. The buoyancy force is more effective for small rotational speeds and facilitates the onset of separation for opposing flow and retards it for aiding flow.

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