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Title: Transient thermal regime trough the constitutive matrix applied to asynchronous electrical machine using the cell method
Authors: González Domínguez, Pablo Ignacio 
Monzón-Verona, José Miguel 
Garcia-Alonso Montoya, Santiago 
UNESCO Clasification: 3322 Tecnología energética
330603 Motores eléctricos
Keywords: Electric motors
Finite element analysis
Numerical analysis
Numerical simulation
Thermal analysis, et al
Issue Date: 2018
Project: Sistema Subacuatico Rfid Para Acuicultura 
Journal: Open Physics 
Abstract: In this paper, a new constitutive matrix for thermal conduction in transient thermal regime is developed and tested. We use cell method as a numerical method that is included in finite formulation methodology. The constitutive matrix defines through the cell method the behavior of solids when they are under a thermal potential. We have demonstrated that this matrix is equivalent to the electrical conduction constitutive matrix in steady state. We have applied this constitutive matrix to thermal analysis of asynchronous electric machines in transient regime. This constitutive matrix has been validated with comparisons based on finite element method. In finite formulation, the physical laws governing the electromagnetic fields and the physical thermal phenomena are expressed in integral formulation. The final algebraic equation system is tailored directly without discretizing of the differential equations. This is an important advantage because we omit a complex differential formulation and the discretization of the respective equations.
ISSN: 2391-5471
DOI: 10.1515/phys-2018-0090
Source: Open Physics [ISSN 2391-5471], v. 16 (1), p. 717-726
Appears in Collections:Artículos
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