Measurements in a turbulent boundary layer with porous wall injection and combustion

1965 ◽  
Vol 10 (1) ◽  
pp. 1351-1362 ◽  
Author(s):  
C.E. Wooldridge ◽  
R.J. Muzzy
Keyword(s):  
Boundary Layer ◽  
Turbulent Boundary Layer ◽  
Porous Wall ◽  
Wall Injection

Effect of LES resolution for inner layer in turbulent boundary layer on supersonic wall injection

2020 ◽  
Vol 2020.58 (0) ◽  
pp. 05c2
Author(s):  
Tomoyuki HASHIMOTO ◽  
Toshinori KOUCHI ◽  
Yasunori NAGATA ◽  
Shinichiro YANASE ◽  
Rei AOKI
Keyword(s):  
Boundary Layer ◽  
Turbulent Boundary Layer ◽  
Wall Injection

Experimental Study of Mixing Between a Heated Turbulent Flow and a Cold Airstream Transpirated Through a Porous Wall

2003 ◽  
Author(s):  
M. Michard ◽  
M. Ait Ameur ◽  
G. Brillant ◽  
F. Bataille
Keyword(s):  
Boundary Layer ◽  
Experimental Study ◽  
Turbulent Boundary Layer ◽  
Strong Interaction ◽  
Thermal Protection ◽  
Porous Wall ◽  
Main Flow ◽  
Protective Film ◽  
Hot Air ◽  
Aerodynamic Properties

Hot air flows along a porous wall, which is submitted to a secondary flow of cold air. Measurements, carried out by hot and cold wires, enable to evaluate the aerothermic characteristics of the turbulent boundary layer. An increase of the blowing rate ensures good average thermal protection effectiveness. However, the average and turbulent aerodynamic properties of the turbulent boundary layer are damaged. The analysis of the results close to the wall shows the existence of thermal intermittencies, which are intensified when the blowing rate goes up. This observation shows a strong interaction between the protective film that is created by the blowing process above the porous wall and the turbulent boundary layer of the main flow.

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