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Numerical Study of Internal Fire Whirls in a Kitchen With Ceiling Vents

[+] Author Affiliations
W. K. Chow, N. Cai

The Hong Kong Polytechnic University, Hong Kong, China

Y. Gao

Harbin Engineering University, Harbin, Heilongjiang, China

Paper No. HT2013-17103, pp. V002T05A012; 6 pages
doi:10.1115/HT2013-17103
From:
  • ASME 2013 Heat Transfer Summer Conference collocated with the ASME 2013 7th International Conference on Energy Sustainability and the ASME 2013 11th International Conference on Fuel Cell Science, Engineering and Technology
  • Volume 2: Heat Transfer Enhancement for Practical Applications; Heat and Mass Transfer in Fire and Combustion; Heat Transfer in Multiphase Systems; Heat and Mass Transfer in Biotechnology
  • Minneapolis, Minnesota, USA, July 14–19, 2013
  • Conference Sponsors: Heat Transfer Division
  • ISBN: 978-0-7918-5548-5
  • Copyright © 2013 by ASME

abstract

The characteristics of flame rotation induced by a fire at the top of kitchen stove were studied numerically with Computational Fluid Dynamics (CFD). Four cases with different locations of fire sources and vents were set up; simulations of swirling air flow and temperature distributions in the kitchen room were carried out. Ventilation by ceiling vents was identified as the necessary condition for internal fire whirl. Recommendations on the design of kitchen ventilation system were made.

Copyright © 2013 by ASME
Topics: Ceilings , Fire , Vents , Whirls

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