Abstract
AbstractIn this present study, the three‐dimensional geometry of shell and tube heat exchanger with conventional segmental baffle is considered. A numerical and theoretical study is carried out for shell side heat transfer characteristics under the same mass flow rates with shell side mass flow rates ranging from 0.23 to 0.43 kg/s. The Colburn factor is decreasing with an increase in mass flow rate. The tube side Nusselt number obtained is in good agreement with the correlations available. The Colburn factor (js) for the present geometry was compared with Kern's equation. Tube side Nusselt number for the present study, Dittus–Boelter equations, Notter Rouse equation, Syam Sundar et al. equation, and Gnielinski equation have shown good agreement with each other. The present study is further extended with 1%, 3%, and 5% volume concentrations of Al2O3, graphene oxide, TiO2, single‐wall carbon nanotube, and MXene nanofluids. The author notices that the 5% volume concentration of each nanofluid has shown the highest heat transfer coefficients when compared to other concentrations of nanofluids.
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