Heat Transfer and Flow Resistance in HighEfficient Tubular Heat Exchanger with GasFlows Parallel to Tube Bundles in Shell Side

邓先和; 罗运禄; 邓颂九

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Heat Transfer and Flow Resistance in HighEfficient Tubular Heat Exchanger with GasFlows Parallel to Tube Bundles in Shell Side

更新时间：2025-12-16

- Heat Transfer and Flow Resistance in HighEfficient Tubular Heat Exchanger with GasFlows Parallel to Tube Bundles in Shell Side
- CIESC Journal Issue 2, (1991)
- 作者机构：
  
  华南理工大学化工研究所,华南理工大学化工研究所,华南理工大学化工研究所 ,广州,广州,广州
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 April 1991，
  
  Published：25 April 1991
- 稿件说明：
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邓先和, 罗运禄, 邓颂九. Heat Transfer and Flow Resistance in HighEfficient Tubular Heat Exchanger with GasFlows Parallel to Tube Bundles in Shell Side[J]. CIESC Journal, 1991, (2).
DOI：

邓先和, 罗运禄, 邓颂九. Heat Transfer and Flow Resistance in HighEfficient Tubular Heat Exchanger with GasFlows Parallel to Tube Bundles in Shell Side[J]. CIESC Journal, 1991, (2). DOI：

摘要

本文以缩放管和螺旋槽管为强化传热管

以空气为传热介质

研究了在换热器壳程中以气体纵向冲刷为结构特征的气-气管壳式换热器的传热与流阻性能

并与弓形隔板管壳式气-气换热器在相同传热温差与传热负荷

相同气体流量与气体压降的条件下做了传热性能的比较

结果表明

缩放管气-气管壳式换热器的总传热系数要比弓形隔板管壳式气-气换热器高64.8%

可节省40%的传热面积.

Abstract

Investigation of heat transfer and flow resistance of tubular gas-gas heat exchanger with contracted-expanded tube bundles and spiral fluted tube bundles and air flowing parallel to tube bundles in the shell side is reported. Comparison of heat transfer performance was made between this type of tubular gas heat exchanger and the segment baffled tubular gas heat exchanger under the same conditions of total gas pressure drop in the tube and shell sides

total volume flow rate

temperature difference and rate of heat transfer. The results showed that the total heat transfer coefficient K of gas heat exchanger with contracted-expanded tube bundles was 64.8% higher than that of segment baffled tubular gas heat exchanger

and 40% of heat transfer surface area could be saved.

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