Tag: THERMAL EFFICIENCY
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RR-6 The Second Law Efficiency of Process Heat Exchangers
April 12, 2024
An efficiency is defined for process heat exchangers using the second law of thermodynamics. This parameter accounts for the unavoidable sources of irreversibility in a real heat exchanger—e.g., heat transfer over a finite temperature difference and flow friction. Its definition is based on the destruction of flow availability, which is a function of the...
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Is My Design OK? Temperature Efficiency in Design
January 16, 2017
Design software packages use incremental models to correlate the performance of heat exchanger geometry and fluid heat release curves; however, the heat exchanger thermal efficiency is often lost in the process. Thermal efficiency enables designers to select appropriate heat exchanger geometries with respect to heat release curves. It also helps them...
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