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Condensation on wall

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Old   April 27, 2017, 09:18
Default Condensation on wall
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Imtisal-e-Noor
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Hello Everyone,

I am currently working on a system in which the water vapors needs to be condensed on a flate plate(acting as isothermal wall, fixed temperature is 298 K). The multiphase-mixture model with evaporation-condensation mechanism is activated with water vapors as primary phase. Water vapors are at temperature of 400 K. I am getting some condensation which is not significant (0.2%), there is some flowrate of liquid I could see from flux report.
So The first problem is condensation rate is increasing with increase in the water vapor temperature so I am confused about the results.
2ndly, If I increase temperature of water vapors (supposedly 500 K , then the body temperature is increasing til 800 K. Which shows that there is some heat producton source but I am confused why is it so.
I am using condensation frequency 0.9 and evaporation frequency 0.1.

I will be highly grateful for your help. Thanks.
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