Determination of helical lead distance of shell-and-tube heat exchanger with helical baffles

李斌 陶文铨 何雅玲

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Determination of helical lead distance of shell-and-tube heat exchanger with helical baffles

更新时间：2025-12-10

- Determination of helical lead distance of shell-and-tube heat exchanger with helical baffles
- CIESC Journal Issue 3, (2007)
- 作者机构：
  
  西安交通大学动力工程多相流国家重点实验室，能源与动力工程学院热流中心
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：05 March 2007，
  
  Published：05 March 2007
- 稿件说明：
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李斌陶文铨何雅玲. Determination of helical lead distance of shell-and-tube heat exchanger with helical baffles[J]. CIESC Journal, 2007, (3).
DOI：

李斌陶文铨何雅玲. Determination of helical lead distance of shell-and-tube heat exchanger with helical baffles[J]. CIESC Journal, 2007, (3). DOI：

摘要

螺旋折流板换热器在许多工程领域尤其是石油化工领域应用广泛。本文以四块板连续搭接型螺旋折流板换热器为例，推导出了其螺距的计算公式，进而扩展到n块板连续搭接型、完全连续型和交错搭接型。最后得出一个能用于任何种类螺旋折流板换热器螺距计算的通用计算公式。并对现有文献中采用的计算公式的局限性做了简要讨论。

Abstract

Shell-and-tube heat exchangers with helical baffles are now widely used in many engineering fields，especially in chemical and petroleum refining industries.The helical lead distance is one of the important design parameters.The continuous four-sector baffle was taken as an example

and the theoretical calculation method of the helical lead distance of the shell-and-tube heat exchanger with helical baffles was deduced.Then this procedure was extended to continuous n sectors baffle，continuous baffle and staggered sectors baffle.Finally，an equation to determine the helical lead distance for any kinds of helical baffle was proposed.A short discussion of the determination methods proposed in the literatures was presented.

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