Coherent turbulent structures in a rapid contraction

HIGHLIGHTS

• What: Ever since the seminal work of Brown and amp; Roshko , the study of turbulent flows has increasingly focused on the presence and role of coherent vortical structures. Following this work, the effect of strain on temperature fluctuations was investigated in the same contraction by Gylfason and amp; Warhaft , wherein they imposed transverse mean temperature gradient onto the homogeneous, grid-generated turbulence. The authors compare the alignment coefficients CA and P(99.5 %) for different Reλ, ranging between approximately 100 and 200, to help to establish the generality of results.
• Who: J. Fluid Mech. et . . .
  

   

  

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