With the arrival of summer, how can one determine the thermal efficiency of heat exchangers?
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Question: How can one determine the heat exchange efficiency of a plate heat exchanger? Can the inlet and outlet temperatures of the refrigerant be used as a reference? Is there any standard for this?
In addition to the refrigerant side, the heat transfer coefficient can be evaluated by taking into account the inlet and outlet temperatures and flow rates on the process side as well.
It can be simulated and calculated; the relevant standards provide formulas for calculating the efficiency of plate heat exchangers
The inlet and outlet temperatures of the refrigerant can be used as a reference: when the conditions of the heat transfer fluid are stable (in terms of temperature, pressure, and flow rate), the temperature difference between the inlet and outlet values can be examined, and efficiency can also be calculated using these data.