CFD ANALYSIS HELICAL COIL HEAT EXCHANGER

Mechanical Engineering

Heat exchanger are important engineering system with wide variety of application including power plants, refrigeration and air conditioning system, heat recovery system, nuclear reactors, chemical processing and food industries. Working towards the goal of saving energies and to make concise design for mechanical and chemical devices and plants, heat transfer play major role in design of heat exchangers. We are not use application of external power, but we can improve the heat transfer rate by modifying the design by providing the helical tubes, extended surface or swirl flow devices. We improve the heat transfer rate from helical coil tube-in-tube heat exchangers to use Computational Fluid Dynamics (CFD). My project aims to perform a numerical study of helical coil tube-in-tube heat exchanger with water as both hot and cold fluid.To improve the effectiveness, D/d geometrical parameter will be varied for different boundary conditions. The impact of this modification on Cold water temperature, Hot water temperature, Cold water velocity, Hot water velocity, Reynolds number, with respect to D/d will also be studied.

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