A practical procedure for mesh motion in arbitrary Lagrangian-Eulerian method

1998 ◽  
Vol 14 (3) ◽  
pp. 223-234 ◽  
Author(s):  
M. S. Gadala ◽  
J. Wang
Keyword(s):  
Arbitrary Lagrangian Eulerian ◽  
Mesh Motion ◽  
Practical Procedure ◽  
Eulerian Method ◽  
Arbitrary Lagrangian Eulerian Method

Performance of Gaseous Parallel-Flow Micro Heat Exchangers

2006 ◽  
Author(s):  
Y. Asako ◽  
C. Hong ◽  
J. Miwa ◽  
M. Faghri
Keyword(s):  
Heat Flux ◽  
Heat Exchange ◽  
Heat Exchangers ◽  
Parallel Plate ◽  
Parallel Flow ◽  
Channel Height ◽  
Arbitrary Lagrangian Eulerian ◽  
Flux Variation ◽  
Eulerian Method ◽  
Arbitrary Lagrangian Eulerian Method

Heat exchangers performance of two-stream parallel-flow gas-gas type micro-heat exchangers is investigated numerically. The flow passages of the micro-heat exchangers are parallel-plate channels with heights in the range of 10 to 100 μm and selected lengths of 12.7 and 25.4 mm. The numerical methodology is based on the Arbitrary-Lagrangian-Eulerian method. The computations were performed to find the effects of capacity ratio, channel height and length on the heat exchange characteristics of micro heat exchangers. The results are presented in form of temperature contours, bulk temperatures, total temperatures and heat flux variation along the channel. Also, the correlation between the effectiveness and Ntu is discussed.

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