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mass flux and temperature b.c with cyclic conditions

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Old   March 5, 2010, 06:14
Default mass flux and temperature b.c with cyclic conditions
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Hi to all

I want to simulate a scraper surface heat exchanger which consists in a circular duct with scrapers inserted inside it. Im using cyclic conditions to simulate only one pitch between scrapers but I need to fix the mass flux, not the velocity. Can anyone explain how to do that? Also Im applying a constant heat flux on the walls, and the inlet and outlet temperature has also cyclic condition, I don't know if it is correct.

Thankyou very much in advance for your attention

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