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基于JPDF方法的噴霧湍流燃燒數(shù)值模擬
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Probability Density Function Modeling of Spray and Turbulent Reactive Flow
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    摘要:

    將速度-標量-頻率聯(lián)合概率密度函數(shù)JPDF輸運方程方法應(yīng)用于兩相噴霧湍流反應(yīng)流問題，利用火焰面模型解耦流動和化學(xué)反應(yīng)動力學(xué)的耦合關(guān)系,，建立相應(yīng)的數(shù)值計算模型,。采用Monte-Carlo數(shù)值計算方法，針對文獻中以甲醇為燃料所進行的湍流噴霧燃燒值班火焰這一試驗進行了數(shù)值模擬,，通過與Fluent下的計算結(jié)果及試驗結(jié)果的對比分析,，驗證了所建模型的準確性,。

    Abstract:

    In the spray turbulent combustion, droplets, turbulent and chemical reaction are strongly coupled and the physical and chemical mechanisms are very complex. Velocity-scalar-frequency joint probability density function (JPDF) transport equation method was introduced into the two-phase turbulent reactive flow coupled with flamelet method for solving the relation between flow field and chemical dynamics. Based on this model and the Monte-Carlo numerical solving method, the numerical simulation was performed for the turbulent spray combustion in a piloted jet flame burner developed by Masri. The comparison between the experiment and the numerical simulation results verified the spray JPDF model.

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何志霞,王謙,Andriy Rybakov, Ulrich Maas.基于JPDF方法的噴霧湍流燃燒數(shù)值模擬[J].農(nóng)業(yè)機械學(xué)報,2010,41(7):6-10. Probability Density Function Modeling of Spray and Turbulent Reactive Flow[J]. Transactions of the Chinese Society for Agricultural Machinery,2010,41(7):6-10.

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