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290 FIRE RESEARCH from decomposition experiments using elemental ultramicroanalysis With the rigid foams the mtrogen content is lost m each case by a general temperature dependent fragmentation process whereas the flexible foams each show a rapid complete loss of mtrogen at low temperatures. Packham, D. and Pompe, A. (CSIRO Division of Applied Chemistry, Melbourne Australia) "Radiation Temperatures of Forest Fires," Atistralian Forest Re- search 5, (3), 1-8 Section: H Subjects: Radiation temperature. Forest fires Authors' Summary This paper describes an experiment conducted to measure the radiation tem- peratures of free burning, forest type fires Radiation falling on a vertical receiver 25 feet from a flame front was measured and, when combmed with a configuration factor obtained from a photograph, this permitted a calculation of effective radia- tion temperature. Effective radiation temperatures were compared with estimates obtained at the same time usmg a radiation pyrometer. The results suggest that effective radiation temperatures of forest fires m Austraha may reach 1200''K in many cases. Wiltshire, L, L. and Alger, R. S. (Naval Ordnance Laboratory, Silver Sprmg, Maryland) "Carbon Monoxide Production in Charcoal Briquette Fu-es," Naval Ordnance Laboratory Report NOLTR 71-104 (July 1971) Section: H Subjects: Charcoal combustion; Carbon monoxide production Authors' Abstract Yields of carbon monoxide and carbon dioxide from burning charcoal were measured under various conditions typical of recreational fires The experimental parameters were quantity of charcoal, air supply, arrangement of the briquettes.
