Experimental Investigation of Heat Transfer Enhancement Using U-Cut Semicircular Ring Turbulators in Double Pipe Heat Exchanger
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2016, Vol 4, Issue 7
Abstract
Heat enhancement techniques are being utilized for many decades by evaluating different parameters of heat exchangers. Various types of configuration of heat exchanger are analyzed so far with various types of mechanical turbulators. After exploring various research works on types of turbulators used in heat exchanger an attempt has been made by using a modified setup that has not been implemented yet. The work presented here focuses on heat transfer augmentation by means of Semicircular ring turbulators with U-Cut on its periphery by inserting them in inner tube of concentric pipe heat exchanger. It’s aimed to prove that, when a turbulators (the enhancement device) is inserted inside a pipe, the obstruction hence experienced by fluid flow causes a major change in flow pattern, its behavior and properties. In the current work the concept of pitch variation is introduced, which is defined as the horizontal distance between two consecutive turbulators. It describes that, the lesser is the pitch the more are the turbulators that can be inserted in inner pipe of double pipe heat exchanger and hence more will be the friction factor that will occur.
Authors and Affiliations
Archit Sharma, Gurjeet Singh
Keywords
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