Heat transfer experiment of sub-cooled intermediate fluid vaporizer

JI Xin; CHEN Shuangshuang; SONG Yang; LIN Wengsheng

doi:10.11949/j.issn.0438-1157.20151065

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Heat transfer experiment of sub-cooled intermediate fluid vaporizer

更新时间：2025-12-10

- Heat transfer experiment of sub-cooled intermediate fluid vaporizer
- CIESC Journal Issue S2, Pages: 56-61(2015)
- 作者机构：
  
  上海交通大学制冷与低温工程研究所,上海,200240
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20151065
  CLC： K124
- Online First：31 August 2015，
  
  Published：31 August 2015
- 稿件说明：
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JI Xin, CHEN Shuangshuang, SONG Yang, et al. Heat transfer experiment of sub-cooled intermediate fluid vaporizer[J]. CIESC Journal, 2015, (S2): 56-61.
DOI：

JI Xin, CHEN Shuangshuang, SONG Yang, et al. Heat transfer experiment of sub-cooled intermediate fluid vaporizer[J]. CIESC Journal, 2015, (S2): 56-61. DOI： 10.11949/j.issn.0438-1157.20151065.

摘要

中间流体气化器(IFV)是液化天然气浮式储存与再气化装置中关键设备之一。IFV较多采用丙烷作为中间流体

利用其蒸发、冷凝相变过程将LNG气化

而过冷中间流体换热流程可以减小气化器体积。通过对过冷丙烷换热流程进行实验

充分结合实际FSRU海平面运行背景

验证中间流体丙烷在水平面和倾斜角度下的换热特性及对整个换热过程的影响因素。实验发现海平面的略微晃动对其换热有一定的增强;当海水温度随四季发生改变升高时

中间流体提供给LNG的气化换热量也会增大

海水进出口温度差也会增大;当海水流量变大时

整个过程的换热强度增大。

Abstract

Intermediate fluid vaporizer(IFV)is a crucial component for liquefied natural gas(LNG)floating storage and re-gasification unit(FSRU).Two-phase heat transfer process of propane is widely used in IFVs.To decrease the size of IFVs

the sub-cooled intermediate heat transfer process is presented in this paper.Taking propane as the intermediate fluid

an experiment was performed for the heat transfer characteristics of fluids

according to the practical using background

do the experiments to find out the factors which may affect the heat transfer process.The results show that the inclined channel may strengthen the heat transfer in a small scale;the temperature of seawater may change during a whole year

the heat provided by intermediate fluid may increase when the temperature of seawater is increased;the heat transfer coefficient will be larger under a larger velocity of seawater.

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