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-   -   Simulating Heat transfer in Two-Component internal mist cooling with thin film (http://www.cfd-online.com/Forums/fluent/114525-simulating-heat-transfer-two-component-internal-mist-cooling-thin-film.html)

AdarshGouda March 12, 2013 18:18

Simulating Heat transfer in Two-Component internal mist cooling with thin film
 
How do i model this?! I have a tube with heat flux through its walls. The inside wall of the tube will always be covered with a thin evaporating sub-cooled liquid phase and there is nozzle generated spray (mist) as core. Two component = Non condensable gas + vapour component. So, the thin liquid film provides an evaporating medium while the fine mist core droplets continuously feeds the liquid film thereby preventing breakdown of the film (prevents dry-out). Scope : To study local heat transfer coefficients expecting high heat transfer co-efficient s due to phase change at the interface between liquid film and the mist core.

How do i start modelling this. Should i model the tube wall and liquid film and the mist core separately? or is there any other way??


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