Abstract
Helical coil has better heat transfer rate as compared to shell and tube heat exchanger, Because of development of secondary flow. There are so many applications where the helical coil is used such as heating ventilation and air conditioning applications, steam generators used in steam power plants, in condenser’s, the reason behind using helical tube is it provides large surface area per unit volume. In the presented work the heat transfer coefficient (hi) for inside and heat transfer coefficient (ho) for outside from the different research paper were studied and compared. For the calculation of heat transfer coefficient MATLAB code is developed for the same. The values of heat transfer coefficient for inner side has agreement between each other, however outside heat transfer coefficient has no agreement is found. Computational fluid dynamics is used for the simulation and results were compared with experimental and they found in close agreement.
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