Abstract
The heat emission from heat exchangers is of great importance for the efficient and economical operation of industrial machines. The main focus of the study is to increase the overall heat transfer rate and optimize the design. And the Nusselt number and Reynolds number calculated using ANSYS Fluent. And the helical screw inserts save energy. A CFD study of the helical band insert with different twist ratio in the tube was performed for laminar flow as a heat transfer amplifier using commercial software. This use increased the rate of heat transfer with a significant increase in pressure drop. In this study, 3 types of helical belts were used to add value to HTC. The value of the friction factor increases with increasing Reynolds number. The value of HTC increases as the Reynolds number increases. The HTC goes up to 1562.5,1666,1886.79 in all three cases. The Nusselt number and Reynold number increase to 94.33 and 1997.5, respectively. In case 3 The temperature of the pipe wall is reduced if a pipe with an insert is used, which means less irreversibility and greater heat transfer properties. It has a relatively higher and lower temperature spiral profile in the pipe wall as the insert twist.
Highlights
The heat output of heat exchangers is vital for the proficient and practical activity of modern machines
There are numerous dynamic and detached methods, for example, altering the fluid channel, adding vortex generators, mixing nanofluids to improve the warm exhibition of cylinder side convection heat move of heat exchangers
LITERATURE REVIEW DheerajShriwas et al [1] in this paper presented are the Heat exchangers are used in various industries to improve heat transfer
Summary
The heat output of heat exchangers is vital for the proficient and practical activity of modern machines. There are numerous dynamic and detached methods, for example, altering the fluid channel, adding vortex generators, mixing nanofluids to improve the warm exhibition of cylinder side convection heat move of heat exchangers. These methods lessen the irreversibility of the establishment, increment the quality and amount of heat move, and improve the stream properties of liquids. The fundamental goal of better heat transfer is to promote high heat fluxes. This mainly results in a reduction in the size of the heat exchanger, which results in a lower investment cost. Nimish Dubey et al [5] in the present work, optimal tube insert design changes were made to a previously designed tube insert, and its heat output was analysed using CFD software called ANSYS fluent
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