Abstract

To study the mechanisms of the reduced combustion duration of diesel- benzyl azide blend, a rapid mixing multi-component vaporization model for hexadecane-benzyl azide droplets without liquid phase reaction was built and validated. Hexadecane was used as a representative for diesel to eliminate its multi-component effect. Comparisons of normalized squared droplet diameter and droplet temperature between numerical and experimental results were presented and discussed. The results show that the model gives an acceptable approximate prediction, and the difference between the vaporization rate of benzyl azide and hexadecane results in the slope variation of normalized squared droplet diameter curve, while the variation of the heat penetrated into droplet interior results in the slope variation of droplet temperature curve.

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