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1 Journal of Applied Mathematics and Computational Mechanics

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The usage of the Trefftz method to determine the Biot number

Maciąg A., Walaszczyk M.

Journal of Applied Mathematics and Computational Mechanics

2017

Vol. 16, nr 4

47--55

The paper presents a method for determining the Biot number and the heat transfer coefficient based on the Trefftz functions. Firstly, the temperature distribution in the entire domain is calculated and then used for obtaining the heat transfer coefficient. The usefulness of the method is shown in the examples. The data for the examples are calculated by means of a known exact solution or they are given as measurements. The sensitivity of the presented method is checked. Test examples are used to check the method. Next, the heat transfer coefficient is determined for the real data for a rocket engine.