Analysis of Transient Temperature Field in Coke Drums

NING Zhi-hua; LIU Ren-huai

doi:10.3879/j.issn.1000-0887.2010.03.003

Volume 31 Issue 3

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NING Zhi-hua, LIU Ren-huai. Analysis of Transient Temperature Field in Coke Drums[J]. Applied Mathematics and Mechanics, 2010, 31(3): 273-284. doi: 10.3879/j.issn.1000-0887.2010.03.003

Citation:

NING Zhi-hua, LIU Ren-huai. Analysis of Transient Temperature Field in Coke Drums[J]. Applied Mathematics and Mechanics, 2010, 31(3): 273-284. doi: 10.3879/j.issn.1000-0887.2010.03.003

Citation:

NING Zhi-hua, LIU Ren-huai. Analysis of Transient Temperature Field in Coke Drums[J]. Applied Mathematics and Mechanics, 2010, 31(3): 273-284. doi: 10.3879/j.issn.1000-0887.2010.03.003

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Analysis of Transient Temperature Field in Coke Drums

doi: 10.3879/j.issn.1000-0887.2010.03.003

NING Zhi-hua^1,2,
LIU Ren-huai^1,2

1.
Key Labratory of Disaster Forecast and Control in Engineering, Ministry of Education of the People's Republic of China, Guangzhou 510632, P. R. China;

Received Date: 1900-01-01
Rev Recd Date: 2010-01-05
Publish Date: 2010-03-15

Abstract

Abstract

One of the primary reasons leading to bulging and cracking in a coke drum is the severe temperature gradient due to cyclic temperature variation. Based on the two-dmiensional heat conduction theory, the analytical solution of the transient temperature field in the coke drum was derived, which was different from the known FEM results. The length of the coke drum was considered finite, and the dynamic boundary conditions caused by fluid uninterrupted rising in oiling and watering stages were smiulated by the iteration method. The numerical results show that the present theoreticalmodel can accurately describe basic features of the transient temperature field in the coke drum. Effects of the geometry of the coke drum and the rising velocity of quench water on the axial temperature gradient are also discussed.
- coke drum,
- cylindrical shell,
- transient temperature field,
- temperature gradient

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References(21)

References

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