Question

define direct heat transfer​

Answer 1

Direct contact heat transfer is generally defined as heat transfer between two or more mass streams without the presence of an intervening wall. The mass streams can be cocurrent, countercurrent or even crossflow. The streams can be immiscible or miscible or partly so.

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Answer 2

Answer:

Direct-contact heat transfer involves the exchange of heat between two immiscible fluids by bringing them into contact at different temperatures.

Explanation:

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