By J. Randall Lawson
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Extra info for A History of Fire Testing
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49 This ASTM standard has been extensively used in the transportation industry through regulations from the United States, Federal Railroad Administration (FRA) and the Federal Aviation Administration (FAA). Additionally, ASTM E662 has been referenced by the NFPA, National Electrical Code. Computer modeling of fire dynamics and the need to predict the changing smoke environment produced by fire has helped to advance smoke measurement technology. These technological demands have resulted in the development of a smoke test method that can, in addition to measuring specific optical density, measure the mass optical density of smoke produced by burning materials.
These tools have spurred a growth in fire physics and fire chemistry knowledge which has allowed for the rapid development and validation of fire theory, fire models, and fire tests methods based on the new capabilities. One of the significant advancements emerging from this revolution was the development of oxygen consumption calorimetry. (Figure 5) 29 Figure 5 Photographs of strip chart recorders (left) and computer terminal (right). Note in the figure above, the two strip chart recorders are taking temperature data from the combustibility furnace located to the right.
Also, the computer terminal shows data sets being recorded from an oxygen consumption calorimeter fire test. 62 Techniques used by both efforts were based on the original work of W. M. G. , “Variations in the Burning Characteristics of Low Porosity Cribs,” Combustion Institute/Western States Section, Spring 1977. 62 Parker, W. , “An Investigation of the Fire Environment in the ASTM E 84 Tunnel Test,” NBS Technical Note 945, National Bureau of Standards, August 1977. 63 In 1978, Clayton Huggett of the National Bureau of Standards focused an effort on defining a body of science necessary for the development of a robust oxygen calorimeter system.