The purpose of heat exchangers is to transfer heat from one fluid (either gas or liquid) to Another. Compact heat exchangers (CHEs) have a significantly greater surface area per unit volume than more conventional types of heat exchanger. For the purposes of the ECA Scheme, a CHE is defined as a heat exchanger With a surface to volume ratio of > 200 m2/m3. A high surface area per unit volume, which can result in a higher, characterizes compact heat exchangers Efficiency than conventional heat exchangers, in a significantly smaller volume (typically Compact heat exchangers can achieve efficiencies of over 95% cf. 80% for non-compact heat exchangers). Compact heat exchangers transfer more energy in a cost-effective manner than other heat exchangers and save More energy when compared to standard technology.


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