Numerical investigation of the heat transfer performance of water-cooled incineration grates with various channel designs

被引：7

作者：

Kim, Sang Bok ^{[1
]}

Song, Dong Keun ^{[1
]}

机构：

[1] Korea Inst Machinery & Mat, Dept Environm Machinery, Environm Syst Res Div, 156 Gajeongbuk Ro, Daejeon 34103, South Korea

来源：

APPLIED THERMAL ENGINEERING | 2018年 / 131卷

关键词：

Incineration grates; Water-cooled grate; Heat transfer performance; CFD; Figure of merit; MUNICIPAL; RECOVERY;

D O I：

10.1016/j.applthermaleng.2017.12.025

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

This study investigates the effect of the geometry of the cooling channel on the cooling performance of a unit grate using a three-dimensional computational fluid dynamics approach. Three different geometries of the cooling channel, i.e., serpentine, wavy, and baffle channels are considered. To evaluate the cooling performance, evaluation indicators, including the maximum temperature, average temperature, temperature uniformity, and pressure drop are compared. In addition, figure of merit, i.e., heat transfer per unit pumping power, is also compared for three channel designs. According to these indicators, it is concluded the baffle channel is the best choice. (C) 2017 Elsevier Ltd. All rights reserved.

引用

页码：437 / 445

页数：9

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