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title
Heat Exchanger Approach Temperature: Limitations & Tradeoffs | Super Radiator Coils
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As anybody who has ever designed heat transfer equipment will tell you, it all comes down to tradeoffs. The specifics of the application and the priorities of the equipment’s end user will always have the greatest impact on a heat exchanger’s eventual design. For some applications, minimizing a coil’s total cost is the top priority. In such situations, our engineers will try to design a heat exchanger that’s as small as possible, using the least amount of raw materials and labor needed to meet the thermal requirement. On the other hand, for a heavy industrial application where service life and durability are the considerations of record, our approach to heat exchanger design would be entirely different. One of the most common – and often misunderstood – tradeoffs we navigate has to do with an application’s approach temperature, which is essentially the difference between the hot and cold streams in the heat exchanger. With a chilled water coil, for example, the approach temperature w...
author
Kenny Beach
updated
1764270409
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image author
graph showing the relationship between heat exchanger tube rows and approach temperature