Estimate of the Effect of Scale on Radiative Heat Loss Fraction and Combustion Efficiency

J. C. YANG Building & Fire Research Laboratory, National Institute of Standards & Technology, Gaithersburg, MD, 20899, U.S.A.

A. HAMINS Building & Fire Research Laboratory, National Institute of Standards & Technology, Gaithersburg, MD, 20899, U.S.A.

T KASHIWAGI Building & Fire Research Laboratory, National Institute of Standards & Technology, Gaithersburg, MD, 20899, U.S.A.

Abstract

The effect of fire size on radiative heat loss fraction (xr) and combustion efficiency (xa)Was examined by an analysis of scale for pool flames with varying diameter (D). Correlations between D and xr or xa were obtained. For 0.1m > D > lm, xr and Xa are relatively constant and independent of D. For larger pool diameters, Xi decreases with increasing D.

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Estimate of the Effect of Scale on Radiative Heat Loss Fraction and Combustion Efficiency

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Estimate of the Effect of Scale on Radiative Heat Loss Fraction and Combustion Efficiency

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