TEST STUDY ON INFLUENCE OF ATMOSPHERIC CORROSION UPON PERFORMANCE OF DIRECT AIR COOLED SINGLE-ROW TUBE

CHEN Yin-biao1; SHI Ying1; XUE Hai-jun2; WANG Guo-dong3; JIANG Han2; ZHANG Jian2 1.Shenhua Guohua Eectric Power Corporation

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TEST STUDY ON INFLUENCE OF ATMOSPHERIC CORROSION UPON PERFORMANCE OF DIRECT AIR COOLED SINGLE-ROW TUBE

更新时间：2025-09-28

- TEST STUDY ON INFLUENCE OF ATMOSPHERIC CORROSION UPON PERFORMANCE OF DIRECT AIR COOLED SINGLE-ROW TUBE
- Thermal Power Generation Vol. 38, Issue 10, Pages: 55-57(2009)
- 作者机构：
  
  1. 神华国华电力公司
  2. 江苏双良空调设备股份有限公司
  3. 神华国华定洲电厂
- 作者简介：
- 基金信息：
- DOI：
  CLC： TG174.31
- Published：2009
- 稿件说明：
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CHEN Yin-biao1, SHI Ying1, XUE Hai-jun2, et al. TEST STUDY ON INFLUENCE OF ATMOSPHERIC CORROSION UPON PERFORMANCE OF DIRECT AIR COOLED SINGLE-ROW TUBE[J]. Thermal power generation, 2009, 38(10): 55-57.
DOI：

CHEN Yin-biao1, SHI Ying1, XUE Hai-jun2, et al. TEST STUDY ON INFLUENCE OF ATMOSPHERIC CORROSION UPON PERFORMANCE OF DIRECT AIR COOLED SINGLE-ROW TUBE[J]. Thermal power generation, 2009, 38(10): 55-57. DOI：

摘要

通过进行单排管铝翅片(A3003)的实验室模拟酸雨地区大气腐蚀加速试验

研究了腐蚀前后单排管束的空气侧阻力和热工性能的差异。结果表明

大气腐蚀12.8年的管束翅片表面出现密集点蚀

使得表面粗糙而引起空气侧阻力增大

管束换热系数降低

换热能力有一定程度的下降。

Abstract

Through simulating atmospheric corrosion accelerating test in laboratory for single-row tube's aluminium fines(A303) in acid rain area

the difference of air side resistance and thermodynamic property of single-row tube bundle before and after corosion has been studied.Results show that the concentrated pitting corrosion has appeared on the surface of fines on the tube bundle

making the surface to be rough

resulting in increase of the air side resistance

at the same time

the heat exchange coefficient being decreased

and the heat exchange ability having been lowered in a certain extent.

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