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Processing & Handling :: Thermal & Energy Management :: Boilers & Steam Handling

September 1, 2013

Understanding Finned Heat Exchangers

Fin geometry affects many aspects of boiler, evaporator and heater selection

Viswanathan Ganapathy, Boiler Consultant

Fin geometry, such as fin density (fins/in.), fin height and fin thickness, should be selected with care as it impacts the thermal design and performance of the exchanger. However, engineers often select fin geometry without understanding the implications on tubewall temperatures, heat flux, pressure drop or fin temperatures.  This article highlights the importance of selecting proper fin geometry for heat transfer equipment and the implications of poor fin selection....

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