کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
6635032 | 461114 | 2015 | 9 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Large Eddy Simulation of piloted pulverized coal combustion using the velocity-scalar joint filtered density function model
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موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
مهندسی شیمی (عمومی)
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Large Eddy Simulation of piloted pulverized coal combustion using the velocity-scalar joint filtered density function model Large Eddy Simulation of piloted pulverized coal combustion using the velocity-scalar joint filtered density function model](/preview/png/6635032.png)
چکیده انگلیسی
A piloted pulverized coal jet flame was simulated by Large Eddy Simulation (LES). For the sub-grid scale (SGS) effects of the turbulence velocity and the scalar fluctuation of the gas flow on the coal particles, the velocity-scalar joint filtered density function (VSJFDF) model was used. Other models such as the governing equations for particles and coal combustion sub-models were also presented. Simulation results with the VSJFDF model, non-VSJFDF model and those by Franchetti et al. [7] were compared with the experimental data, including the mean and RMS (root mean square) velocity, temperature and species concentrations. The results showed that VSJFDF can distinctly improve the predictions, both in quantity and quality. The location where coal particles start burning could be roughly predicted along the centerline of the flame by VSJFDF model.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Fuel - Volume 158, 15 October 2015, Pages 494-502
Journal: Fuel - Volume 158, 15 October 2015, Pages 494-502
نویسندگان
Xu Wen, Hanhui Jin, Oliver T. Stein, Jianren Fan, Kun Luo,