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Design and Optimization of Heat Transfer in Double Helical Concentric Coil Heat Exchanger

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Document pages: 4 pages

Abstract: Due to the compact structure and high heat transfer coefficient, helical coil heat exchangers find extensive use in industrial applications such as power generation, nuclear industry, process plants, heat recovery systems, refrigeration, food industry, etc. Helical coils are used for transferring heat in chemical reactors and agitated vessels because heat transfer coefficients are higher in helical coils. Standard helical coil heat exchanger has some drawbacks out of which pressure drop is major concern. In this paper effort has been made to calculate effectiveness of a new design of double helical concentric coil and the results are compared with standard double helical concentric coil at different pitch.

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