The issue of the return water pressure in the heat exchanger
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In a heat exchanger, heating water flows through the tube side while steam flows through the shell side. When there are no issues with the external system, why does the return water pressure increase as well when the water temperature rises? I would appreciate your advice!
I think it’s caused by an increase in temperature; this can be determined by adjusting the valves – reduce the flow rate at the inlet valve and increase it at the outlet valve to observe the effect