What is coefficient in heat ?
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Explanation:
Q we denote heat with Q .but I think there is no coefficient of heat.
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Answer:
Heat transfer coefficient is a quantitative characteristic of convective heat transfer between a fluid medium (a fluid) and the surface (wall) flowed over by the fluid. This characteristic appears as a proportionality factor a in the Newton-Richmann relation
where is the heat flux density on the wall, Tw the wall temperature, Tt the characteristic fluid temperature, e.g., the temperature Te far from the wall in an external flow, the bulk flow temperature Tb in tubes, etc.
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