Fouling Risk Using Micro-Tube Heat Exchangers in a Power Generation System

Author:

Dai Chuanshan1,Wang Qiu Xiang1,Sun Ping Le1

Affiliation:

1. Tianjin University, Tianjin, China

Abstract

A micro-tube heat exchanger has a large area-volume ratio and is more compact than traditional heat exchangers with larger diameter tubes. This makes it increasingly attractive to be applied in a power generation system. However, the clogging risk and the decreasing of heat transfer coefficient due to fouling are the two major disadvantages in obstructing its real applications. This paper proposed a theoretical model for evaluating the fouling risk while micro-tube heat exchangers are to be utilized in a power generation system. The drawdown of overall heat transfer coefficient and increment of flowing drag are numerically simulated. The size effect of micro-tube heat exchangers on power generation and optimum selection of tube diameter are also discussed.

Publisher

ASMEDC

Cited by 1 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Multifunctional heat exchangers derived from three-dimensional micro-lattice structures;International Journal of Heat and Mass Transfer;2012-04

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