Heat Transfer HEAT EXCHANGERSSummaryThe important information in this chapter is summarized below.Heat Exchangers SummaryHeat exchangers remove heat from a high-temperature fluid byconvection and conduction.Counter-flow heat exchangers typically remove more heat thanparallel flow heat exchangers.Parallel flow heat exchangers have a large temperature difference atthe inlet and a small temperature difference at the outlet.Counter-flow heat exchangers have an even temperature differenceacross the heat transfer length.Regenerative heat exchangers improve system efficiency byreturning energy to the system. A non-regenerative heat exchangerrejects heat to the surroundings.The heat transfer rate for a heat exchanger can be calculated usingthe equation below.QUo Ao DTlmRev. 0 Page 39 HT-02
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