Abstract
In order to study the temperature changing rule of the crude oil in the storage tank, the wavelet finite ele- ment method, the traditional finite element method and the test were used to carry out the numerical simulation. Firstly, the thermal wavelet finite element was put forward estab- lished based on thermal finite element theory and the wavelet theory. And the computational model and three boundary conditions were established. And then the tem- perature changing rule of the crude oil in the storage tank in 24 h for three boundary conditions was obtained by using three methods, and the results showed that the wavelet finite element method had advantages in the numerical analysis of the temperature changing rule of the crude oil in the storage. And then the temperature distribution rule of the crude oil in the storage tank under different conditions in 5 h was obtained. And the temperature changing mechanism of the crude oil was summarized finally.
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