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Combustion and Flame, Vol.157, No.1, 204-205, 2010
Quasi-steady flame standoff ratios during methanol droplet combustion in microgravity
Recently, Aharon and Shaw developed a simplified analytical expression to predict quasi-steady flame stand-off ratios for alkane fuels. Their analysis is strictly valid only for alkane-type fuels where there is no reabsorption of flame generated species back into the droplet. In this note we show that Aharon and Shaw's analysis can be extended to methanol droplet combustion where water generated at the flame-sheet is absorbed back into the droplet. The model predictions are shown to compare well with available experimental results. (C) 2009 The Combustion Institute. Published by Elsevier Inc. All rights reserved.