| Title |
A Study on Improvement of Industrial Hood in Ventilation System for Elimination of Harmful Material and Dust |
| Authors |
김영선(Young-Sun Kim) ; 오율권(Yool-Kwon Oh) |
| Keywords |
국소배기장치 ; 가스유도장치 ; 유속 ; 산업용 후드 Local exhaust ventilation system ; Gas-guide-device ; Flow velocity ; Industrial hood |
| Abstract |
This study investigates on the improvement of inhalation effect of hood which attached new device named as “gas-guide-device” in local exhaust ventilation system for the effective elimination of harmful material and dust in manufacturing factory. The gas-guide- device having a diamond shape is composed of width (b) and two sides of a device (X, Y) and its size is selected the industrial hood under application in manufacturing factory after due consideration. In order to investigate the effect of gas-guide-device, numerical and experimental study is performed that the flow velocity is calculated and is measured by a commercial program “COMSOL Multiphysics™” and a hot wire type of anemometer, respectively. The numerical and experimental results are revealed is a similar pattern and flow velocity has improved to hood attached gas-guide-device. Also, the numerical method and result is also verified the dependance. Moreover, the optimum shape and size of gas-guide- device is revealed that the width (b) and the ratio of two sides of gas-guide-device (X, Y) has 125mm and 4 to 6. |