Radiative heat transfer in circulating fluidized beds

被引：0

作者：

Fang, Z.H. ^{[1
]}

Grace, J.R. ^{[1
]}

Lim, C.J. ^{[1
]}

机构：

[1] Univ of British Columbia, Vancouver, Canada

来源：

Journal of Heat Transfer | 1995年 / 117卷 / 04期

关键词：

Fluidized beds - Heat conduction - Heat radiation - Heat transfer coefficients - Mathematical models;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

The radiation contributions to heat transfer in circulating fluidized beds are investigated based on a simple model involving clusters and dilute suspension. Local and length-averaged cluster transfer coefficients are derived based on a cluster renewal model with combined transient conduction and radiation. A three-component network is analyzed leading to a concise relation for the suspension-to-wall radiative transfer. Previous experimental data for heat transfer to a membrane wall with bed temperatures of 407 and 860°C (Wu et al., 1989) are in good agreement with model predictions.

引用

页码：963 / 968

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