Abstract
A new flow passage arrangement is introduced for parallel-plate heat exchanger for cooling channel walls under uniform heat flux. Heat transfer performance of the new double-pass heat exchanger is compared with those of the corresponding single-pass and original double-pass heat exchangers from wall temperature uniformity viewpoint, because total heat transfer is the same for three types of the parallel-plate heat exchangers. Computed results show that wall temperature in the new double-pass heat exchanger has better uniformity compared to the usual one. Despite the advantage of better uniformity in wall temperature, power consumption for handling the specified volumetric flow rate within the new double-pass heat exchanger is greater than those are required within the two others.
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