Thermal cracking characteristics of <i>n</i>-decane in the rectangular and circular tubes

Zhiliang Lei; Bin Liu; Qin Huang; Kuo He; Zewei Bao; Quan Zhu; Xiangyuan Li

doi:10.1016/j.cjche.2019.01.034

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Thermal cracking characteristics of n-decane in the rectangular and circular tubes

Fluid Dynamics and Transport Phenomena | Updated：2026-01-06

- Thermal cracking characteristics of n-decane in the rectangular and circular tubes
- Thermal cracking characteristics of n-decane in the rectangular and circular tubes
- 中国化学工程学报（英文版） 2019年27卷第12期页码：2876-2883
- Affiliations：
  
  School of Chemical Engineering, Sichuan University,Chengdu,China,610065
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2019.01.034
  中图分类号：
- 纸质出版：2019
- Accepted：
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Zhiliang Lei, Bin Liu, Qin Huang, 等. Thermal cracking characteristics of n-decane in the rectangular and circular tubes[J]. 中国化学工程学报（英文版）, 2019,27(12):2876-2883. DOI: 10.1016/j.cjche.2019.01.034.

-decane in the rectangular and circular tubes[J]. 中国化学工程学报, 2019, 27(12): 2876-2883.
Zhiliang Lei, Bin Liu, Qin Huang, 等. Thermal cracking characteristics of n-decane in the rectangular and circular tubes[J]. 中国化学工程学报（英文版）, 2019,27(12):2876-2883. DOI: 10.1016/j.cjche.2019.01.034. DOI：

-decane in the rectangular and circular tubes[J]. 中国化学工程学报, 2019, 27(12): 2876-2883. DOI： 10.1016/j.cjche.2019.01.034.

摘要

Abstract

To investigate the effect of regenerative cooling channel geometry on pyrolysis of endothermic hydrocarbon fuel

a series of supercritical pyrolysis experiments of

-decane in the rectangular and circular tubes were conducted. Moreover

sensitivity analysis of production of propylene and methane as well as CFD simulation were also done. The results showed that gas yield and conversion in the circular tube with an inner diameter of 2 mm had a similar tendency with the one of 1.5 mm in inner diameter. The conversion in the circular tube was much less than that in the rectangular tube at the same outlet temperature. The heat sink of the rectangular tube at the same outlet temperature was larger than that of circular tubes

but the temperature at the corner of the rectangular tube was relatively high. According to the experimental data of the test tubes

a correlation between the conversion and the temperature in the rectangular and circular tubes at the same outlet temperature was fitted

providing a reference for the design of regenerative cooling channels.

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Thermal cracking characteristics of n-decane in the rectangular and circular tubes

Thermal cracking characteristics of n-decane in the rectangular and circular tubes

DOI：10.1016/j.cjche.2019.01.034

摘要

Abstract

关键词

Keywords

references