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Erschienen in:
2021 | OriginalPaper | Buchkapitel
Numerical Investigation of a Shell and Coil Tube Heat Exchanger used in Solar Domestic Hot Water System
verfasst von : Ashutosh Rout, Taraprasad Mohapatra, Sachindra Kumar Rout, Dillip Kumar Biswal
Erschienen in: Advances in Air Conditioning and Refrigeration
Verlag: Springer Singapore
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Abstract
In this study, a shell and coil tube heat exchanger used in a solar domestic hot water system is numerically studied. A 3-D model of the SCTHE is prepared using the commercial software package ANSYS 16.1. The result of the current approach is verified and validated with the results available in the literature with good conformity. Simulation runs are performed to determine the effect of three major parameters, i.e. the mass flow rate of the coil-side fluid, the mass flow rate of the outer annulus-side fluid and the inlet temperature of the coil-side fluid on the thermal performance of the SCTHE, i.e. overall heat transfer coefficient and heat transfer effectiveness. It is found out that with the increase in inner Dean number, outer Dean number and inlet temperature of the coil-side fluid, the overall heat transfer coefficient increases in every case; however, the effectiveness decreases with increment in inner Dean number and inlet temperature of the coil-side fluid and increases with increment in outer Dean number.