NUMERICAL STUDY ON AIR FLOW AND HEAT TRANSFER PERFORMANCE OUTSIDE THE SINGLE ROW TUBE

SHI Lei1; SHI Cheng2; XU Yan-qiang3; LIU Hai-feng3 1.Beijing Jiaotong University

doi:10.19666/j.rlfd.2008.08.005

English

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NUMERICAL STUDY ON AIR FLOW AND HEAT TRANSFER PERFORMANCE OUTSIDE THE SINGLE ROW TUBE

Thermal Power Generation Issue 8, Pages: 17-20(2008)

更新时间：2025-09-28

- NUMERICAL STUDY ON AIR FLOW AND HEAT TRANSFER PERFORMANCE OUTSIDE THE SINGLE ROW TUBE
- 作者机构：
  
  1. 北京交通大学
  2. 中国电力建设工程咨询公司
  3. 中国华电工程(集团)有限公司
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2008.08.005
  CLC： TK17
- Published：2008
- 稿件说明：
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SHI Lei1, SHI Cheng2, XU Yan-qiang3, et al. NUMERICAL STUDY ON AIR FLOW AND HEAT TRANSFER PERFORMANCE OUTSIDE THE SINGLE ROW TUBE[J]. Thermal Power Generation, 2008, (8): 17-20.
DOI：

SHI Lei1, SHI Cheng2, XU Yan-qiang3, et al. NUMERICAL STUDY ON AIR FLOW AND HEAT TRANSFER PERFORMANCE OUTSIDE THE SINGLE ROW TUBE[J]. Thermal Power Generation, 2008, (8): 17-20. DOI： 10.19666/j.rlfd.2008.08.005.

摘要

大口径扁平蛇形钎焊翅片管

即单排管是直接空冷凝汽器的一种基本换热元件。在不同迎面风速下

对单排管空气侧进行三维数值模拟

并对速度场、温度场进行分析和研究

拟合出单排管阻力和传热系数随迎面风速变化的计算公式

可为直接空冷系统的优化设计提供帮助。

Abstract

Large diameter wavy-fined flattened tube

which is commonly called single row tube

is a kind of basic heat exchange element for the direct air-cooled condensers.Under different frontal wind velocity

a three-dimentional numerical simulation at air side of the single row tube has been carried out

and the flow field and temperature field being analysed and studied.The calculation equations of single row tube resistance and heat transfer coefficient along the frontal wind velocity have been given

providing with help for optimal design of the direct air cooling system.

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