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Appl. Sci. 2018, 8(5), 777; https://doi.org/10.3390/app8050777

Simulation Analysis and Experimental Study of the Cooker Hoods of High-Rise Residential Buildings

1
School of Mechanical Instrumental Engineering, Xi’an University of Technology, Xi’an 710048, China
2
Kitchenware Technology Center, Ningbo Fotile Kitchenware Co., Ltd., Ningbo 315336, China
*
Author to whom correspondence should be addressed.
Received: 29 March 2018 / Revised: 30 April 2018 / Accepted: 10 May 2018 / Published: 14 May 2018
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Abstract

Fuel combustion will release harmful gases such as CO , CO 2 , SO 2 , and NO x during cooking, and cooking oil fumes also contain acids, aldehydes, and other harmful particulate matters. Clinical diagnosis confirmed that some tiny particulate matters in oil fumes can induce many kinds of cancer. High-rise buildings of multi-dwelling units have been widely used as residential buildings with increasing worldwide population, especially in China. Therefore, air pollution in kitchens of high-rise residential buildings is attracting more and more attention in academic circles and engineering fields, especially the exhaust effectiveness and influencing factors of cooker hoods. This study focused on key influence factors of exhaust effectiveness such as the centralized flue system of high-rise residential buildings, the operating rate, the floor, the exhaust volume, and the vent opening. Commercial software Fluent was adopted to build the calculation model of cooker hoods for high-rise buildings. The temperature distribution, concentration distribution, and main escape path of oil fumes were analyzed and compared with experimental measurements. The results showed that the side and the front edge of the cooker hood close to the cooker are the main escape paths of oil fumes; the maximum escape concentrations of oil fumes are 0.247 mg/m3 and 0.265 mg/m3, respectively, under the condition of ventilation and non-ventilation; the error is only 5.0% and 11.7% compared with the experimental results. This paper is valuable for the improvement of air quality in kitchens in high-rise residential buildings, and the design and installation of cooker hoods. View Full-Text
Keywords: high-rise residential building; cooker hood; exhaust effectiveness; exterior flow field; numerical simulation high-rise residential building; cooker hood; exhaust effectiveness; exterior flow field; numerical simulation
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Zhang, Y.-C.; Wang, T.; Liu, X.-Q.; Zhu, Y.-D.; Yang, Y.-X. Simulation Analysis and Experimental Study of the Cooker Hoods of High-Rise Residential Buildings. Appl. Sci. 2018, 8, 777.

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