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Diffusive and Radiative Transport in Fires Experiment: DARTFireA low velocity, opposed-flow, flame spread experiment designed for execution on a sounding rocket is described. Early results of infrared and ultraviolet-visible imaging using video cameras and narrow band filters are described along with planned digital image data reduction. Measured and computed spread rates show that the classical thermal regime for flame spread over thick PMMA persists, for 50% O2, down to about 5 cm/s, at which point a transition to a microgravity regime in which radiation eventually leads to extinction in at least a quiescent environment. The microgravity regime of flame spread is then distinct from the thermal and kinetic regimes previously identified.
Document ID
19970020610
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Olson, Sandra L.
(NASA Lewis Research Center Cleveland, OH United States)
Altenkirch, Robert A.
(Washington State Univ. Pullman, WA United States)
Bhattacharjee, Subrata
(San Diego State Univ. San Diego, CA United States)
Tang, Lin
(Washington State Univ. Pullman, WA United States)
Hegde, Uday
(NASA Lewis Research Center Cleveland, OH United States)
Date Acquired
August 17, 2013
Publication Date
May 1, 1997
Publication Information
Publication: Fourth International Microgravity Combustion Workshop
Subject Category
Inorganic And Physical Chemistry
Accession Number
97N21883
Funding Number(s)
CONTRACT_GRANT: NCC3-221
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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