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Clean Agent Performance on Fires Exposed to an External Energy Source.

pdf icon Clean Agent Performance on Fires Exposed to an External Energy Source. (219 K)
Steckler, K. D.; Grosshandler, W. L.; Smith, D.; Rivers, P.

NISTIR 6242; October 1998.

National Institute of Standards and Technology. Annual Conference on Fire Research: Book of Abstracts. November 2-5, 1998, Gaithersburg, MD, Beall, K. A., Editor(s), 127-128 pp, 1998.

Available from:

National Technical Information Service
Order number: PB99-102519


fire research; fire science; fire suppression; cleaning agents; energy sources; fire extinguishing agents


Work carried out over the last several years has shown that there can be a significant increase in the amount of agent required to extinguish and to prevent re-ignition of fires that are exposed to a continuous, external, energy source. This has implications regarding the NFPA 2001 Standard on Clean Agent Fire Extinguishing Systems, which currently recommends that in the event of a Class C fire (i.e., fire involving electrical equipment) the power supply should be discontinued before or during agent discharge. In certain critical applications (e.g., remote telecommunications switching stations) disconnecting power, however, is neither an option nor desirable. the current work is aimed at developing a standard test device and method that will provide data necessary to address this situation.