Abstract
In this article an attempt has been made to study the heat transfer variations for different twisted tape geometry. Twisted tapes of different pitch and split ratios arranged in alternate clock and counter clockwise for fully developed laminar flow were used to study heat enhancement. The numerical analysis was carried out in different Reynolds number ranging between 400-1000 for a different pitch ratio (y = p/w, 3.2, 6.5 and 13) and split ratio (S=L/n, n=2, 3, 4), every split arranged in a counter clockwise with preceding one. The investigation revealed that decrement in pitch ratio and increment in split ratio enhances the heat transfer rate. Thermal Performance factor (TPF) is also calculated for different tape configurations and its variation is also notified in the work.
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