Thermal constitutive matrix applied to asynchronous electrical machine using the cell method

Thermal constitutive matrix applied to asynchronous electrical machine using the cell method AbstractThis work demonstrates the equivalence of two constitutive equations. One is used in Fourier’s law of the heat conduction equation, the other in electric conduction equation; both are based on the numerical Cell Method, using the Finite Formulation (FF-CM). A 3-D pure heat conduction model is proposed. The temperatures are in steady state and there are no internal heat sources. The obtained results are compared with an equivalent model developed using the Finite Elements Method (FEM). The particular case of 2-D was also studied. The errors produced are not significant at less than 0.2%. The number of nodes is the number of the unknowns and equations to resolve. Thereis no significant gain in precision with increasing density of the mesh. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Open Physics de Gruyter

Thermal constitutive matrix applied to asynchronous electrical machine using the cell method

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Publisher
De Gruyter Open
Copyright
© 2018 Pablo Ignacio González Domínguez et al.
ISSN
2391-5471
eISSN
2391-5471
D.O.I.
10.1515/phys-2018-0005
Publisher site
See Article on Publisher Site

Abstract

AbstractThis work demonstrates the equivalence of two constitutive equations. One is used in Fourier’s law of the heat conduction equation, the other in electric conduction equation; both are based on the numerical Cell Method, using the Finite Formulation (FF-CM). A 3-D pure heat conduction model is proposed. The temperatures are in steady state and there are no internal heat sources. The obtained results are compared with an equivalent model developed using the Finite Elements Method (FEM). The particular case of 2-D was also studied. The errors produced are not significant at less than 0.2%. The number of nodes is the number of the unknowns and equations to resolve. Thereis no significant gain in precision with increasing density of the mesh.

Journal

Open Physicsde Gruyter

Published: Mar 8, 2018

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