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Some Experimental Results on Internal Fire Whirls in a Vertical Shaft

[+] Author Affiliations
Y. Gao, G. W. Zou, S. S. Li

Harbin Engineering University, Harbin, Heilongjiang, China

W. K. Chow

The Hong Kong Polytechnic University, Hong Kong, China

Paper No. IMECE2013-62148, pp. V08AT09A010; 8 pages
  • ASME 2013 International Mechanical Engineering Congress and Exposition
  • Volume 8A: Heat Transfer and Thermal Engineering
  • San Diego, California, USA, November 15–21, 2013
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-5634-5
  • Copyright © 2013 by ASME


Earlier studies on burning a pool fire in a vertical shaft model indicated that appropriate sidewall ventilation provision is a key factor for the onset of an internal fire whirl. Experiments on burning a pool fire inside a real-scale shaft model of 9 m tall were performed to further investigate the swirling motion. The full-scale modeling burning tests were carried out at a remote site in China. Four different ventilation openings were arranged. Results of onsetting of internal fire whirls for the four tests will be reported.

Copyright © 2013 by ASME
Topics: Fire , Whirls



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