Computational Fluid Dynamics Analysis of Single Pass Shell & Tube Heat Exchanger with Different Orientation of Baffles and Without Baffles
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2014, Vol 2, Issue 8
Abstract
In this specific project an endeavor is design for CFD evaluation of Single Pass Shell & Tube Heat Exchanger with Different Orientation of Baffles and Without Baffles with counter flow of fluid. In order to research the performance of the heat exchanger, hot fluid was designed to flow inside the seven tubes and cold fluid flows through outer pipe & tube material using Copper as well as Brass & Shell Material using Carbon Steel. The baffles utilized in heat exchanger are usually segmental baffles cut of 25%. The introduction of baffles, force the fluid to have a turbulent flow, thus improving the heat transfer rate. The outcomes of heat transfer rate for flow of fluid with vertical segmental baffle inside heat exchanger are in comparison with the heat exchanger without having baffles. The result of heat transfer rate & pressure drop for flow of fluid for 00 baffles is also compared with baffle at 300 orientations. The flow of hot fluids at different Reynolds number will carry out having fluid velocity of 1 m /s, 2 m /s and 3 m /s & the flow of cold fluids at Reynolds number will carry out having fluid velocity of 1 m /s. The deviation of heat transfer coefficient & pressure drop at different baffle orientations as been carried out by means of Fluent 14.5 simulation. STHX is an indirect contact type heat exchange because it is made up of a series of tubes, through which one of the fluids goes. They are traditionally used in oil refineries, chemical plants, petrochemical plants, natural fuel processing, airconditioning, refrigeration as well as automotive applications. Computational Fluid Dynamics (CFD) can very helpful to obtain visualize the actual flow as well as temperature fields with in the shell side can simplify the assessment of the weaknesses. Different turbulence models available in general purpose commercial CFD tools likes k-ԑ, K-ω as well as K-ω SST models. This literature review concentrates on the value and effectiveness of k-ԑ model in CFD evaluation and simulation.
Authors and Affiliations
Nishank Kumar Pandey, Dr. Rohit Rajvaidya
Keywords
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