Finite Element Analysis of Thermal Stress of External Resistance Type Regenerator

doi:10.12028/j.issn.2095-4239.2018.0235

Abstract

Abstract: In this paper, the thermal deformation and thermal stress of the regenerator are analyzed by the combination of theoretical derivation and finite element numerical simulation, aiming at the problem that the thermal deformation of the external resistive regenerator under the temperature load causes the structure of the regenerator to be unstable. The thermal stress and thermal deformation equations of different phase change regenerative materials under temperature load are deduced theoretically, and the numerical simulation method is used to study the thermal stress value and distribution of regenerator under a certain working condition, and the actual case analysis is carried out to verify the existence and harm of thermal stress in the thermal storage body. It provides reference for optimization design of regenerator structure and configuration of working condition parameters.

Key words: Electrothermal energy storage, External resistance, Thermal deformation, Thermal stress

CLC Number:

TM123

YANG Cenyu, HU Xiao, CHEN Lei, XING Zuoxia, ZHAO Haichuan, XU Guizhi. Finite Element Analysis of Thermal Stress of External Resistance Type Regenerator[J]. Energy Storage Science and Technology, doi: 10.12028/j.issn.2095-4239.2018.0235.

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