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Old   November 23, 2015, 10:50
Question Heating of fluid, cooling of solid
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Volkan Gülyüz
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Nowadays i'm working on a project which works like a heat exchanger. Consider a heated brick let say has a temperature of 400K and fluid that flows inside of brick has a temp of 300K. In this transient problem, fluid will be hotter and brick gets cooler during flow.

On the other hand, in solution i cant see the cooling of brick because of the constant wall temp bc. How can i solve this situation ? What kind of bc should i use?

Looking forward for your reply,
best regards

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Old   November 23, 2015, 16:54
Bhargav Bharathan
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Maybe what you have to do is select convection under wall thermal conditions, specify free stream temperature (ambient temperature) and most importantly the heat transfer coefficient. This should work out fine.

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cooling of solid, heating of fluid

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