Experimental investigation of the structure of plane turbulent wall jets. Part 1. Spectral analysis
Harish Choudhary,
Abhishek Gupta,
Shibani Bhatt
et al.
Abstract:Plane turbulent wall jets are traditionally considered to be composed of a turbulent boundary layer (TBL) topped by a half-free jet. However, certain peculiar features, such as counter-gradient momentum flux occurring below velocity maximum in experiments and numerical simulations, suggest a different structure of turbulence therein. Here, we hypothesize that turbulence in wall jets has two distinct structural modes, wall mode scaling on wall variables and free-jet mode scaling on jet variables. To investigate… Show more
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