Thermomecanical Response of LNG Concrete Tank to Cryogenic Temperatures

Lahlou Dahmani; Rachid MEHADDENE

doi:10.4028/www.scientific.net/DDF.312-315.1021

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Thermomecanical Response of LNG Concrete Tank to Cryogenic Temperatures

Abstract:

In this paper are illustrated the principal aspects connected with the numerical evaluation of thermal stress induced by LNG (liquefied natural gas) in a concrete tank. In order to investigate the thermal induced tensile stresses, the ANSYS finite element code has been employed for performing a sequential, non linear, transient thermal-structural analysis, taking into account the thermal dependant properties of the concrete such as thermal conductivity and specific heat. Temperature distribution data of thermal analysis is required in the coupled field analysis finally to obtain and analyze thermal stresses.

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Periodical:

Defect and Diffusion Forum (Volumes 312-315)

Pages:

1021-1026

DOI:

https://doi.org/10.4028/www.scientific.net/DDF.312-315.1021

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Online since:

April 2011

Authors:

Lahlou Dahmani, Rachid MEHADDENE

Keywords:

Cryogenic-Concrete, LNG Tank, Temperature, Thermo-Mechanical Analysis (TMA)

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