By: Krishna P. Singh
Publisher: Heat Transfer Engineering
Abstract: Functional relations are derived to determine the reduction in the heat duty of a multipass heat exchanger due to tube-side fluid bypass. A simplified structural model of the channel cover is constructed to determine the interpass leakage due to cover deflection under pressurized (operating) conditions. A numerical example shows that design rules based on stress limits are adequate to keep interpass leakage within tolerable limits.
Citation: Singh, K. “Method for Quantifying Heat Duty Derating due to Inter-Pass Leakage in Bolted Flat Cover Heat Exchangers,” Heat Transfer Engineering, pp. 19-23, Vol. 4, No. 3-4 (1983).