Efficiency of Heat Exchanger: Description and Formula

Generally, the efficiency of heat exchanger is defined as the ratio of the amount of heat transferred in the actual case to the amount of heat in the ideal case.

On solving I am getting 2/7. Why am I not getting 1/2? I should

Understanding Heat Exchangers

Fluids, Free Full-Text

The efficiency of a counter flow heat exchanger is

SOLVED: Calculate the following from given data and equations for

Calculating Rate of Heat Transfer in Parallel Flow Heat Exchangers

Temperature Efficiency: Klingenburg USA, LLC

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How to Calculate the Efficiency of a Heat Engine, Physics

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Heat exchanger, Energy Efficiency & Heat Transfer

Why are heat transfer rates higher in turbulent flow inside a tube

The exergy destruction equations for each component.