Characteristics of fluid flow and heat transfer in a fluidized heat exchanger with circulating solid particles

被引：6
|
作者：
Ahn, SW [1 ]
Lee, BC
Kim, WC
Bae, MW
Lee, YP
机构：
[1] Gyeongsang Natl Univ, Sch Transport Vehicle Engn, Inst Marine Ind, Kyongnam 650160, South Korea
[2] Korea Inst Sci & Technol, Thermal Flow Control Res Ctr, Seoul 136791, South Korea
来源：
KSME INTERNATIONAL JOURNAL | 2002年 / 16卷 / 09期
关键词：
fluidized bed heat exchanger; solid particle; heat transfer coefficient; drag coefficient; fouling;
D O I：
10.1007/BF02984437
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The commercial viability of heat exchanger is mainly dependent on its long-term fouling characteristic because the fouling increases the pressure loss and degrades the thermal performance of a heat exchanger. An experimental study was performed to investigate the characteristics of fluid flow and heat transfer in a fluidized bed heat exchanger with circulating various solid particles. The present work showed that the higher densities of particles had higher drag force coefficients, and the increases in heat transfer were in the order of sand, copper, steel, aluminum, and glass below Reynolds number of 5,000.
引用
收藏
页码：1175 / 1182
页数：8
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