Numerical Analysis of Sound Sources in High Reynolds Number Single Jets

2007 ◽  
Author(s):  
Seong-Ryong Koh ◽  
Elmar Groeschel ◽  
Matthias Meinke ◽  
Wolfgang Schröder
Keyword(s):  
Reynolds Number ◽  
Numerical Analysis ◽  
High Reynolds Number ◽  
Sound Sources ◽  
High Reynolds

Hydrofoil near-wake sound sources at high Reynolds number

2002 ◽  
Vol 111 (5) ◽  
pp. 2425 ◽  
Author(s):  
Dwayne A. Bourgoyne ◽  
Joshua M. Hamel ◽  
Carolyn Q. Judge ◽  
Steve L. Ceccio ◽  
David R. Dowling
Keyword(s):  
Reynolds Number ◽  
High Reynolds Number ◽  
Near Wake ◽  
Sound Sources ◽  
High Reynolds

Numerical Analysis on a Passive Chaotic Micromixer with Helical Microchannel

2006 ◽  
Vol 6 (1) ◽  
pp. 190-194 ◽  
Author(s):  
Ruijin Wang ◽  
Jianzhong Lin
Keyword(s):  
Reynolds Number ◽  
Numerical Analysis ◽  
High Reynolds Number ◽  
Mixing Efficiency ◽  
Micro Channel ◽  
High Reynolds ◽  
Helical Microchannel ◽  
Micro Mixer

In order to improve the mixing efficiency, the diffusion and mixing of species in the helical micro-mixer are simulated numerically. The results show that the mixing efficiency in the helical micro-mixer is much higher than that in the straight micro-channel and obviously higher than that in the serpentine micro-channel when Reynolds number is low. At high Reynolds number, even though the mixing efficiency in the helical micro-mixer is still much higher than that in the straight micro-channel, no obvious difference of mixing efficiency in the helical micro-mixer and serpentine micro-channel is found. The conclusions are helpful to optimize the structure of the micro-mixer.

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