International Journal of Advanced Innovative Technology in Engineering (IJAITE)

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CFD Analysis of Heat Transfer Using Twisted Tape with Uniform Alternate Length in Double Pipe U-Bend Heat Exchanger

Vijaya Dabhade, Prof. P. B. Ingle

Abstract :

The heat exchanger is a device that uses continuously transfers the heat from one medium to another medium. This research mainly deals with the use of linear twisted tape turbulator in U-bend pipe heat exchangers. This heat exchanger widely used in the pasteurization process, digester heating, heat recovery, pre-heating. In the present study, the four types of twisted tape are used, typical twisted tape, perforated twisted tape, half-length twisted taped in copper tube. The perforated twisted tape decreases the pressure drop but the heat transfer same as the typical twisted tape .and the linear twisted tape creates turbulence at the wall surface of the inner pipe. In this research, the combination of two twisted tapes perforated twisted tape and linear twisted tape modification will be use and analysis of heat transfer and pressure drop.

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