Convective heat transfer around vertical jet fires: an experimental study
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The convection heat transfer phenomenon in vertical jet fires was experimentally analyzed. In these experiments, turbulent propane flames were generated in subsonic as well as sonic regimes. The experimental data demonstrated that the rate of convection heat transfer increases by increasing the length of the flame. Assuming the solid flame model, the convection heat transfer coefficient was calculated. Two equations in terms of adimensional numbers were developed. It was found out that the Nusselt number attains greater values for higher values of the Rayleigh and Reynolds numbers. On the other hand, the Froude number was analyzed only for the subsonic flames where the Nusselt number grows by this number and the diameter of the orifice.
CitacióKozanoglu, B. [et al.]. Convective heat transfer around vertical jet fires: an experimental study. "Journal of hazardous materials", Desembre 2011, vol. 197, p. 104-108.
Versió de l'editorhttp://dx.doi.org/10.1016/j.jhazmat.2011.09.057