Author： Simons Philip Jochem Klaus Aiuchi Kosuke
Publisher： Society of Glass Technology
ISSN： 0017-1050
Source： Glass Technology - European Journal of Glass Science and Technology Part A, Vol.49, Iss.3, 2008-06, pp. : 109-118
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Abstract
In the existing literature on mathematical simulation of electric boosting in glass melts, the approximation methods used to calculate the Joulean heat release in the melt are omitted. The total heat release as calculated from the potentials and currents at the electrodes should match the power that is released in the volume cells. In this article, it is shown that a straightforward finite volume discretisation lacks this consistency property and an alternative method is proposed. Also, for boosting with multiple transformers, an algorithm is described that guarantees current conservation for each group of electrodes that connect to the same transformer. Two test problems, calculated with the TNO GTM-X simulation program, show the results of these methods.
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