Turbulent burning velocities and flame straining in explosions
R. G. Abdel-Gayed, K. J. Al-Khishali, Derek Bradley
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Published: Feb 8, 1984
DOI: 10.1098/rspa.1984.0019
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Abstract Turbulent burning velocities have been measured in an explosion bomb equipped with four high speed fans. Turbulent parameters were measured by laser doppler anemometry. The turbulent Reynolds numbers were significantly higher than in most previous measurements and high rates of strain were achieved until, ultimately, several of the flames quenched. Results are presented in terms of previously used dimensionless parameters plus a Lewis number and a dimensionless activation energy. The two-eddy theory of burning can allow for flame straining reductions in laminar burning velocity and experimental values of ut/u1 were compared with those from such a theory.
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