A REVIEW ON DOUBLE PIPE HEAT EXCHANGER WITH STRAIGHT AND HELICAL FINS

A REVIEW ON DOUBLE PIPE HEAT EXCHANGER WITH STRAIGHT AND HELICAL FINS
Author(s):
Pankaj Kumar, Vikas Kesharwani
Keywords:
Heat transfer, Fluid flow, Turbulent Flow, Double Pipe Heat exchanger, Helical Fin
Abstract
The plate fin-and-tube heat exchangers are widely used in variety of industrial applications, particularly in the heating, air-conditioning and refrigeration, HVAC industries. In most cases the working fluid is liquid on the tube side exchanging heat with a gas, usually air. It is seen that the performance of heat exchangers can be greatly increased with the use of unconventionally shaped flow passages such as plain, perforated offset strip, louvered, wavy, vortex generator and pin. The current study is focused on wavy-fin. The wavy surface can lengthen the path of airflow and cause better airflow mixing. In order to design better heat exchangers and come up with efficient designs, a thorough understanding of the flow of air in these channels is required.
Article Details
Unique Paper ID: 149008 Publication Volume & Issue: Volume 6, Issue 9 Page(s): 131 - 134
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