CONDENSATION OF LOW-PRESSURE VAPOR IN HORIZONTAL TUBE

YIN Ming; CHEN Jiabin; MA Xuehu; LI Songping

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CONDENSATION OF LOW-PRESSURE VAPOR IN HORIZONTAL TUBE

更新时间：2025-12-10

- CONDENSATION OF LOW-PRESSURE VAPOR IN HORIZONTAL TUBE
- CIESC Journal Issue 7, Pages: 913-917(2003)
- 作者机构：
  
  大连理工大学化学工程研究所,辽宁,大连,116012
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 July 2003，
  
  Published：25 July 2003
- 稿件说明：
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YIN Ming, CHEN Jiabin, MA Xuehu, et al. CONDENSATION OF LOW-PRESSURE VAPOR IN HORIZONTAL TUBE[J]. CIESC Journal, 2003, (7): 913-917.
DOI：

YIN Ming, CHEN Jiabin, MA Xuehu, et al. CONDENSATION OF LOW-PRESSURE VAPOR IN HORIZONTAL TUBE[J]. CIESC Journal, 2003, (7): 913-917. DOI：

摘要

对水平管内低压蒸汽冷凝现象进行了实验研究.考察了冷却水流量、温度恒定条件下热流密度、蒸汽压力、蒸汽流速对冷凝传热膜系数及总传热系数的影响关系，同时考察了总传热温差、蒸汽进出口温差及压降随热流密度变化的关系.关联出了相应的水平管内冷凝传热膜系数的计算式，计算值与实测值的偏差在±15%以内.

Abstract

The phenomenon of condensation of low-pressure vapor in a horizontal tube was studied.The interactions between heat flux density

vapor pressure

vapor velocity and the coefficient of heat transfer for filmwise condensation in the tube

the overall coefficient of heat transfer were investigated.The relationships between heat flux density and the overall temperature difference

the difference in temperature and pressure drop at the entrance and the exit of the vapor were investigated as well.Analytical relationships were obtained for calculation of the coefficient of heat transfer for filmwise condensation in the tube.The deviation between the experimental value and the calculated value was lower than ±15%.

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