Use of ASTM E 2058 fire propagation apparatus for the evaluation of underventilated fires

Abstract : The apparatus originally called the 50 kW lab-scale flammability apparatus in the USA and Tewarson apparatus in Europe is a polyvalent fire calorimeter that was recently described in its updated version in ASTM E 2058, under the name of Fire Propagation Apparatus (FPA). This paper deals with the use of such a fire calorimeter implemented by INERIS in year 1997, and which has now been used for both research and services to private customers, in a routine manner since 1998. The paper focuses on the experience achieved so far by the Institute with this apparatus for the detailed characterization of ventilation controlled fires of industrial products that are likely to govern the accidental fire scenarios in fire resistant enclosures. Such hazardous confined spaces can be frequently encountered in industry and transportation infrastructures. In particular, relevant testing procedures and potential technical problems are discussed based on inlet air flow restriction or use of oxidizing flows diluted by nitrogen or carbon dioxide. Results regarding under-ventilated fires of a variety of products not belonging to polymers are presented to illustrate the capability of the apparatus to qualify such types of fires. Eventually, the ability of the equipment to provide detailed characterization of the fire chemistry of the combustion gases and related influence of ventilation rate, using specific additional sampling and chemical analysis is pointed out through examples.
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  • HAL Id : ineris-00972212, version 1
  • INERIS : PU-2001-001

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Guy Marlair, Jean-Pierre Bertrand, Sylvain Brohez. Use of ASTM E 2058 fire propagation apparatus for the evaluation of underventilated fires. Fire and Materials Conference, Jan 2001, San Francisco, United States. pp.301-313. ⟨ineris-00972212⟩

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