Review study on Enhancement of heat transfer in heat Exchanger
Heat transfer devices have been used for conversion and recovery of heat in many industrial and domestic applications. Over five decades, there has been concerted effort to develop design of heat exchanger that can result in reduction in energy requirement as well as material and other cost saving. Pumping power which results in higher cost. Geometrical parameters of the insert namely the width, length, twist ratio, twist direction, etc. affect the heat transfer. For example, counter double twisted tape insert has TPF of more than 2 and combined twisted tape insert with wire coil can give a better performance in both laminar and turbulent flow compared to twisted tape and wire coil alone. A variety of nanofluids flowing through multiple parallel pipes were numerically studied to examine the heat enhancement effects. Due to the advantages, they bring in the cooling process, nanofluids have provided a new way to improve the performance of thermal systems.
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Unique Paper ID: 154554

Publication Volume & Issue: Volume 9, Issue 1

Page(s): 1179 - 1182
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