A review of the advancements made in helical baffles used in shell and tube heat exchangers

被引：53

作者：

Salahuddin, Usman ^{[1
]}

Bilal, Muhammad ^{[1
]}

Ejaz, Haider ^{[1
]}

机构：

[1] Natl Univ Sci & Technol, Sch Chem & Mat Engn, Islamabad, Pakistan

来源：

INTERNATIONAL COMMUNICATIONS IN HEAT AND MASS TRANSFER | 2015年 / 67卷

关键词：

Shell and tube heat exchanger; Helical baffles; Inclination angle; Baffle shape; Fold baffles; TRANSFER ENHANCEMENT; TRANSFER COEFFICIENTS; PRESSURE-DROP; PERFORMANCE; SIDE; FLOW; DESIGN; MODEL;

D O I：

10.1016/j.icheatmasstransfer.2015.07.005

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

This paper provides a review about the major work done on helical baffles to improve the performance of shell and tube heat exchangers. Some of the major factors affecting the performance of shell and tube heat exchanger are discussed. A comparison between segmental baffles and helical baffles is also presented to show that helical baffles are more advantageous than segmental baffles. In most cases, discontinuous, folded, sextant helical baffles, 40 baffle inclination angle as well as low baffle spacing will give the best results when integrated in some combination, whereas continuous helical baffles eliminate dead regions. Moreover, sealing strips are more likely to improve the performance of shell and tube heat exchangers with continuous helical baffles. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：104 / 108

页数：5

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