scholarly journals Turbulent structures and mixing enhancement with lobed mixers in a supersonic mixing layer

2020 ◽  
Vol 32 (4) ◽  
pp. 041701 ◽  
Keyword(s):  
Mixing Layer ◽  
Mixing Enhancement ◽  
Turbulent Structures ◽  
Supersonic Mixing ◽  
Supersonic Mixing Layer

scholarly journals A LES Study on Passive Mixing in Supersonic Shear Layer Flows Considering Effects of Baffle Configuration

2014 ◽  
Vol 6 ◽  
pp. 836146 ◽  
Author(s):  
Ren Zhao-Xin ◽  
Wang Bing
Keyword(s):  
Pressure Loss ◽  
Total Pressure ◽  
Large Scale ◽  
Mixing Layer ◽  
Total Pressure Loss ◽  
Mixing Efficiency ◽  
Mixing Enhancement ◽  
Supersonic Mixing ◽  
Passive Mixing ◽  
Supersonic Mixing Layer

Under the background of dual combustor ramjet (DCR), a numerical investigation of supersonic mixing layer was launched, focused on the mixing enhancement method of applying baffles with different geometric configurations. Large eddy simulation with high order schemes, containing a fifth-order hybrid WENO compact scheme for the convective flux and sixth-order compact one for the viscous flux, was utilized to numerically study the development of the supersonic mixing layer. The supersonic cavity flow was simulated and the cavity configuration could influence the mixing characteristics, since the impingement process of large scale structures formed inside the cavity could raise the vorticity and promote the mixing. The effect of baffle's configurations on the mixing process was analyzed by comparing the flow properties, mixing efficiency, and total pressure loss. The baffle could induce large scale vortexes, promote the mixing layer to lose its stability easily, and then lead to the mixing efficiency enhancement. However, the baffle could increase the total pressure loss. The present investigation could provide guidance for applying new passive mixing enhancement methods for the supersonic mixing.

A review on enhanced mixing methods in supersonic mixing layer flows

2018 ◽  
Vol 152 ◽  
pp. 310-324 ◽  
Author(s):  
Jianguo Tan ◽  
Dongdong Zhang ◽  
Liang Lv
Keyword(s):  
Mixing Layer ◽  
Supersonic Mixing ◽  
Supersonic Mixing Layer ◽  
Mixing Layer Flows

A thermo-chemical exploration of a two-dimensional reacting supersonic mixing layer

1997 ◽  
Vol 9 (11) ◽  
pp. 3513-3522 ◽  
Author(s):  
Debasis Chakraborty ◽  
H. V. Nagaraj Upadhyaya ◽  
P. J. Paul ◽  
H. S. Mukunda
Keyword(s):  
Mixing Layer ◽  
Two Dimensional ◽  
Supersonic Mixing ◽  
Supersonic Mixing Layer
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