Using Color Full-Scale Schlieren (CFSS) Technique to Improve Kitchen Exhaust Hood Performance
American Journal of Optics and Photonics
Volume 2, Issue 2, April 2014, Pages: 18-23
Received: Mar. 5, 2014; Accepted: Apr. 10, 2014; Published: Apr. 20, 2014
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Authors
Chung-Hwei Su, Department of Safety, Health and Environmental Engineering, National Kaohsiung First University of Science and Technology, Taiwan
Chien-Chih Chen, Graduate Institute of Mechanical and Electrical Engineering, National Taipei University of Technology, Taipei, 10608 Taiwan
Li-Yu Yeh, Institute of Mechatronic Engineering, National Taipei University of Technology, Taipei, 10608 Taiwan
Yu-Cheng Hung, Institute of Manufacturing Technology, National Taipei University of Technology, Taipei, 10608 Taiwan
Chen-Ching Ting, Department of Mechanical Engineering, National Taipei University of Technology, Taipei, 10608 Taiwan
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Abstract
This article uses color full-scale Schlieren for heat flow visualization of the kitchen exhaust hood. Using grease filters with same percentage of opening but different forms for measurements the heat flow escaping rate, noise, and air velocity of the kitchen exhaust hood under conditions of different percentage masking. The results show that using different grease filters without masking has no escaping heat flow. Employing the rectangular filter with side masking has the worst heat flow escaping. The top masking has also no heat flow escaping and the form with circular opening has the strongest absorbability. In this work, the smallest noise level is 65dB which appears at the situation of top masking. Moreover, kitchen exhaust hood without masking the air flow rate increase 3.17% of the air velocity than side masking.
Keywords
Color Full-Scale Schlieren, Flow Visualization, Grease Filters
To cite this article
Chung-Hwei Su, Chien-Chih Chen, Li-Yu Yeh, Yu-Cheng Hung, Chen-Ching Ting, Using Color Full-Scale Schlieren (CFSS) Technique to Improve Kitchen Exhaust Hood Performance, American Journal of Optics and Photonics. Vol. 2, No. 2, 2014, pp. 18-23. doi: 10.11648/j.ajop.20140202.12
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