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-   -   equivalent diameter vs hydraulic diameter (http://www.cfd-online.com/Forums/fluent/74621-equivalent-diameter-vs-hydraulic-diameter.html)

swamysrikanth April 5, 2010 06:08

equivalent diameter vs hydraulic diameter
 
hi friends,
i stuck up with one problem. i am working on flow over 2D triangular cylindrical obstacle in a channel. i am planning to compare my results ie drag coefficient, wake length etc., with square obstacle. my question is on what basis i have to compare these two either by equivalent diameter or hydraulic diameter?
also what is the difference between these two diameters?
please reply me...

blue rose October 12, 2013 01:18

u'l find d details in this link
 
http://www.engineeringtoolbox.com/hy...ter-d_458.html


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