Heat convection characteristic in LNG storage tank when LNG stratification and rollover

王海蓉

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Heat convection characteristic in LNG storage tank when LNG stratification and rollover

更新时间：2025-12-10

- Heat convection characteristic in LNG storage tank when LNG stratification and rollover
- CIESC Journal Issue S1, Pages: 58-62(2009)
- 作者机构：
  
  中山大学工学院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：30 December 2009，
  
  Published：30 December 2009
- 稿件说明：
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王海蓉. Heat convection characteristic in LNG storage tank when LNG stratification and rollover[J]. CIESC Journal, 2009, (S1): 58-62.
DOI：

王海蓉. Heat convection characteristic in LNG storage tank when LNG stratification and rollover[J]. CIESC Journal, 2009, (S1): 58-62. DOI：

摘要

不同密度的LNG液体在储槽内会形成稳定分层。本文根据相似性定律，分析了盐水模型与LNG分层的相似性条件，建立了LNG储罐分层模拟实验台，以模拟LNG储罐中分层时的密度场、外热源场。通过分层形成条件实验和不同漏热条件下的分层破环实验，描述了分层涡旋事故的演化过程，得到了分层形成的条件、破坏机理，涡旋产生的原因及其时间预测，并讨论了初始密度差、分层高度和漏热等因素对分层涡旋事故的影响。

Abstract

Liquid natural gas with different density and temperature could stratify in a storage tank.This paper describes the evolution process of stratified liquid natural gas（LNG）from its stratification formation to its breakdown（rollover）.The authors simulated the density field and heat transfer process of stratified LNG in a storage tank based on salt water modeling experiments，according to the similarity law.Through a series experiment of stratification formation and stratification breakdown under different heat flux condition.The goal of this paper is to develop and validate tools that can be used to make predictions about the conditions under which stratification and rollover could happen，and the effect on stratification and rollover caused by the initial density，heat flux，etc.

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中国石油大学（华东）储运与建筑工程学院

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