Simulation of mixed convection in a channel with a cavity heated from different side using fluent

Mohammad Haiqal , Supaat (2013) Simulation of mixed convection in a channel with a cavity heated from different side using fluent. Project Report. UTeM, Melaka. (Submitted)

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Abstract

This project requires a simulation to obtain the data in animation or drawing graphs. Computational Fluid Dynamic (CFD) is one of the methods used in industry and in education to solve problems related to fluid flow in closed channel. Through simulation, the type of fluid flow, streamlines and vortices can be seen to determine the ability of the airway momentum that produced through a rectangular shape to remove contaminants that are trapped in it. In addition, the project is also looking at the effects of conductive heat transfer that being supply at the sided wall to the water flow and it will be seen whether able to help the flow of air to remove pollutants altogether. High skills in understanding CFD with commands validation were begin with the meshing selection based on dependency test, journal study on initialization method, analysis from the defined problem in properties and physical value of the element that being part of the problem. Simulation shown that the left sided heat convective region of the cavity wall provide higher pressure gradient drop which contribute into removal rate of the contaminants. Aspect ratio of the cavity towards the removal rate were one of the interest in this study and as the AR increase, the removal rate also increase and this project subject to left-sided heat source with Aspect Ratio of 4 as the best design in term of removal, number of vortices form and streamlines pattern for steady flow simulation.

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