Assessment of techniques for estimating indoor ventilation quality by using CFD

Mohd Hilmi, Ahmad Ikmal Hakim (2021) Assessment of techniques for estimating indoor ventilation quality by using CFD. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

This study is done to determine the indoor ventilation quality in both theoretical and simulation techniques. Besides, in this study, there are two types of Computational Fluid Dynamics (CFD) that have been applied. This is because of variations ofresults that need to be present as expected. The study is of how full flow field method and domain decomposition method impact the flow rate throughout the building. By comparing the result to the experimental result would make sure the CFD simulation is in correct matter. The finding is evaluated in comparison to domain decomposition method for the full flow field. Without the computational domain, the method of domain decomposition can be simulated. This approach reduced significantly the simulation time, which results only in the interior building's internal flow. Based on the results, the volume flow rate, Q obtained by CFD are not so close to the theoretical results. The percentage of differences between CFD and theoretical values is47.30% and 49.23% .

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