Preliminary study on heat transfer calculation of submerged combustion LNG vaporizer

XU Jingxuan; LIN Wensheng; RUAN Binhui

doi:10.11949/j.issn.0438-1157.20181138

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Preliminary study on heat transfer calculation of submerged combustion LNG vaporizer

更新时间：2025-12-10

- Preliminary study on heat transfer calculation of submerged combustion LNG vaporizer
- CIESC Journal Issue S2, Pages: 147-152(2018)
- 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.0438-1157.20181138
  CLC： Q051.5
- Online First：31 December 2018，
  
  Published：31 December 2018
- 稿件说明：
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XU Jingxuan, LIN Wensheng, RUAN Binhui. Preliminary study on heat transfer calculation of submerged combustion LNG vaporizer[J]. CIESC Journal, 2018, (S2): 147-152.
DOI：

XU Jingxuan, LIN Wensheng, RUAN Binhui. Preliminary study on heat transfer calculation of submerged combustion LNG vaporizer[J]. CIESC Journal, 2018, (S2): 147-152. DOI： 10.11949/j.issn.0438-1157.20181138.

摘要

对浸没燃烧式LNG气化器（SCV）传热计算方法进行了研究，通过分段计算，校核现有传热计算模型对浸没燃烧式LNG气化器传热计算的适用性。管外传热利用流体横掠管束Zukauskas模型，管内段传热利用Dittus-Boelter模型、Shah （1982）模型、Kandlikar（1990）模型和Kew and Cornwell （1997）模型分别进行计算，结果表明，Kandlikar（1990）模型和Kew and Cornwell （1997）模型对LNG管内沸腾换热的计算结果偏差较小，分别为38.46%和38.33%。

Abstract

In this paper

the heat transfer calculation method of the (SCV) is studied. Through subsection calculation

the applicability of the existing heat transfer calculation model to the heat transfer calculation of the submerged combustion LNG vaporizer is explored. Zukauskas model of fluid transverse swept tube bundle is applied to calculate the external heat transfer of the tube. As for the internal heat transfer of the tube

Dittus-Boelter model

Shah (1982) model

Kandlikar (1990) model and Kew and Cornwell (1997) model are utilized. The results show that the calculated results of Kandlikar (1990) model and Kew and Cornwell (1997) model have a small deviation in the calculation of boiling heat transfer in the LNG pipe

which are 38.46% and 38.33% respectively.

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