Experimental and numerical study of three-dimensional flow field in minienvironment

Chin-Hsiang Cheng; Kuo Shu Hung

doi:10.1016/j.enbuild.2004.09.013

Experimental and numerical study of three-dimensional flow field in minienvironment

Chin-Hsiang Cheng, Kuo Shu Hung

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

This study is concerned with three-dimensional air flow field for improving the ventilation performance of a minienvironment in which toxic gas is produced during the coating process. To investigate the air flow field, measurement for the velocity distribution has been made by using a three-dimensional ultrasonic anemometer, and numerical simulation using computational fluid dynamics (CFD) analysis tool has also been performed. Results of the numerical simulation based on the RNG k-ε turbulence model are confirmed by the experiments, and modifications in geometric configuration of the system are investigated. It is found that the numerical and experimental approaches used in this study lead to useful information of flow field and the ventilation performance in the minienvironment may be greatly improved by adjusting the location of the HEPA and modifying the shape of the inlet of the exhaust pipe.

Original language	English
Pages (from-to)	579-586
Number of pages	8
Journal	Energy and Buildings
Volume	37
Issue number	6
DOIs	https://doi.org/10.1016/j.enbuild.2004.09.013
Publication status	Published - 2005 Jun 1

All Science Journal Classification (ASJC) codes

Civil and Structural Engineering
Building and Construction
Mechanical Engineering
Electrical and Electronic Engineering

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10.1016/j.enbuild.2004.09.013

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title = "Experimental and numerical study of three-dimensional flow field in minienvironment",

abstract = "This study is concerned with three-dimensional air flow field for improving the ventilation performance of a minienvironment in which toxic gas is produced during the coating process. To investigate the air flow field, measurement for the velocity distribution has been made by using a three-dimensional ultrasonic anemometer, and numerical simulation using computational fluid dynamics (CFD) analysis tool has also been performed. Results of the numerical simulation based on the RNG k-ε turbulence model are confirmed by the experiments, and modifications in geometric configuration of the system are investigated. It is found that the numerical and experimental approaches used in this study lead to useful information of flow field and the ventilation performance in the minienvironment may be greatly improved by adjusting the location of the HEPA and modifying the shape of the inlet of the exhaust pipe.",

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AU - Cheng, Chin-Hsiang

AU - Hung, Kuo Shu

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AB - This study is concerned with three-dimensional air flow field for improving the ventilation performance of a minienvironment in which toxic gas is produced during the coating process. To investigate the air flow field, measurement for the velocity distribution has been made by using a three-dimensional ultrasonic anemometer, and numerical simulation using computational fluid dynamics (CFD) analysis tool has also been performed. Results of the numerical simulation based on the RNG k-ε turbulence model are confirmed by the experiments, and modifications in geometric configuration of the system are investigated. It is found that the numerical and experimental approaches used in this study lead to useful information of flow field and the ventilation performance in the minienvironment may be greatly improved by adjusting the location of the HEPA and modifying the shape of the inlet of the exhaust pipe.

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