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September 29, 2013, 14:08 |
non-uniform-distribution nucleation sites
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#1 |
New Member
Join Date: Dec 2012
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why we have non-uniform-distribution nucleation site in RPI wall boiling model?
I would be grateful if you could answer my question about RPI wall boiling model. what parameter in RPI model in fluent cause non-uniform-distribution of nucleation site density in boiling boundary? after using this model for a horizontal plate with a constant heat flux we have non-uniform-distribution for vapor volume fraction. I know everything about bubble frequency, heat flux partitioning, nucleation site density and speciic area for quench part. but how on a boundary in computational domain, a cell is specified as nucleation site while the neighbor cell is not? we know that both are located on the same boundary with same total heat flux. check this http://imageupload.co.uk/files/j00i2b0oajiqqqm490nm.png |
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Tags |
boling, fluent, rpi |
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