Improvement of Boiling Heat Transfer Performance for Vertical U-Shaped Tubes

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- Improvement of Boiling Heat Transfer Performance for Vertical U-Shaped Tubes
- CIESC Journal Issue 6, (1989)
- 作者机构：
  
  西安交通大学,西安交通大学西安,西安,现为大连理工大学化工学院博士研究生
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 December 1989，
  
  Published：25 December 1989
- 稿件说明：
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陈听宽, 贾岫庄. Improvement of Boiling Heat Transfer Performance for Vertical U-Shaped Tubes[J]. CIESC Journal, 1989, (6).
DOI：

陈听宽, 贾岫庄. Improvement of Boiling Heat Transfer Performance for Vertical U-Shaped Tubes[J]. CIESC Journal, 1989, (6). DOI：

本文针对垂直U型沸腾管弯管段由于汽水分层引起传热恶化

使壁温升高经常发生爆管事故的问题

提出用底边倾斜上升的改进型U型管来代替原普通型U型管

以改善其传热特性.文中阐述了压力7.5—14MPa、质量流速500—1400kg/(m~2·s)及热负荷90—330kW/m~2条件下改进型U型管的传热特性试验结果

得出了沿弯管段的壁温分布规律

与U型管的传热特性相比

具有明显的优越性.试验同时确定了改进型U型管的两相流阻力特性

较原U型管稍有增加.

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