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C. F. Tao, Y. Shen and R. W. Zong (2016) Applied Thermal Engineering 106 1088-1093.
Date: 2017-03-16   Author: SKLFS  ,   Source: SKLFS  ,
 

C. F. Tao, Y. Shen and R. W. Zong (2016) Experimental study on virtual origins of buoyancy-controlled jet flames with sidewalls. Journal/Applied Thermal Engineering 106 1088-1093. [In English]
Web link: http://dx.doi.org/10.1016/j.applthermaleng.2016.06.072
Keywords: ,Virtual origin, Heat release rate, Jet flame, Sidewall, Froude number, TEMPERATURE PROFILE, SPILL PLUME, DIFFUSION FLAMES, FIRE, HYDROGEN, HEIGHT, LENGTH

Abstract: Virtual origin is an important factor to investigate the temperature distribution of fire plume. The virtual origin of buoyancy-control jet flames with sidewalls has been investigated with the experiments under different spaces of sidewalls (L = 15, 20, 30, 40, 60, 80, and infinity cm) and different sizes of nozzle (d = 0.6 cm and 1.0 cm). It is found that the virtual origin of buoyancy-controlled jet flame increases with reducing the spaces of sidewalls, and it increases with increasing the heat release rate. A global model has been proposed to estimate the virtual origin of jet flames under a semi-open space with different spaces of sidewalls. These results and correlations are new and a significant improvement over previous results in the literature. (C) 2016 Elsevier Ltd. All rights reserved.

 
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