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Impingement of hollow cone spray on hot porous medium

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Abstract

To have a good understanding of the formation of homogenous mixture in a porous medium engine, the interaction between hollow cone spray and hot porous medium was studied numerically by using an improved version of KIVA-3V code. The improved KIVA-3V code is incorporated with an impingement model, heat transfer model and linearized instability sheet atomization (LISA) model to simulate the hollow cone spray. The reasonability of the impingement model and heat transfer model was validated. With a simple model to describe the structure of the porous medium, the interaction between hollow cone spray and hot porous medium was simulated under different ambient pressures and spray cone angles. Computational results show that the fuel spray could be divided into smaller ones, which provides conditions for the quick evaporation of fuel droplets and the mixing of fuel vapor with air. Differences in ambient pressure and spray cone angle affect the distribution of droplets in the porous medium.

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Correspondence to Zhiguo Zhao.

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Translated from Chinese Internal Combustion Engine Engineering, 2007, 28(4): 28-31 [译自: 内燃机工程]

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Zhao, Z., Xie, M. Impingement of hollow cone spray on hot porous medium. Front. Energy Power Eng. China 2, 273–278 (2008). https://doi.org/10.1007/s11708-008-0048-8

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  • DOI: https://doi.org/10.1007/s11708-008-0048-8

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