کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9636582 | 465870 | 2005 | 12 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Surface-particle-emulsion model of heat transfer between a fluidized bed and an immersed surface
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
مهندسی شیمی (عمومی)
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Surface-particle-emulsion model of heat transfer between a fluidized bed and an immersed surface Surface-particle-emulsion model of heat transfer between a fluidized bed and an immersed surface](/preview/png/9636582.png)
چکیده انگلیسی
A mathematical model, the surface-particle-emulsion heat transfer model (SPE model), is developed. Considering the variance of voidage in emulsion in the vicinity of an immersed surface, heat transfer near the surface is treated as that through dispersed particles touching the surface and through the emulsion when the distance from the surface is larger than one particle diameter. A stochastic model of particle packing density on a surface is developed to calculate the coverage ratio of particles on the surface. Based on the SPE model, a heat transfer model for a horizontally immersed tube in a fluidized bed is developed. The calculation results are in reasonable agreement with experimental data from the authors and the literature. The model shows better qualitative and quantitative prediction for local heat transfer coefficients around a horizontally immersed tube in a fluidized bed.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Powder Technology - Volume 149, Issues 2â3, 3 January 2005, Pages 127-138
Journal: Powder Technology - Volume 149, Issues 2â3, 3 January 2005, Pages 127-138
نویسندگان
Li Wang, Ping Wu, Xuezhi Ni,