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Design analysis of a high rise building using pressurization for smoke management.

Author(s) : YANG K. H., WU S. C., CHIANG Y. S., CHEN W. C., LIAO W. F.

Summary

Fire protection system design in a high rise building presents great technical challenges. In case of fire, an escape route free of smoke should be provided to facilitate efficient evacuation with a favorable pressure gradient to hinder smoke from back-layering.
Both ASHRAE and NFPA Life Safety Code provided guidelines for stairwell pressurization system design. In this study, a 47-fioor hotel was analyzed in adapting stairwell pressurization system. With subtropical weather, the stack effect is taken into account where worst-case scenario are simulated for summer and winter respectively.
Two-stage pressurization system with inverter-driven ventilators was designed and analyzed in this paper. The simulation result covered cases with various opening-doors in different floors to evaluate its pressure distribution along the stairwell.

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Pages: p 578-583

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Details

  • Original title: Design analysis of a high rise building using pressurization for smoke management.
  • Record ID : 30034091
  • Languages: English
  • Subject: Technology
  • Source: International Symposium on Air Conditioning in High Rise Buildings - 1997
  • Publication date: 1997/09
  • Document available for consultation in the library of the IIR headquarters only.

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