An Accurate Mesh-Based Equivalent Circuit Approach to Thermal Modeling

Nick Simpson, Rafal Wrobel, Phil Mellor

Research output: Contribution to journalArticle (Academic Journal)

20 Citations (Scopus)

Abstract

This paper presents a method of automatically constructing and parameterizing accurate lumped parameter thermal equivalent circuits (TECs) with nodes arranged in a regular mesh pattern. The approach exhibits a number of advantages over conventional lumped parameter TECs including superior thermal field resolution, reduced model construction and setup times and more accurate identification of hot-spot temperatures and their location. The method serves as a desirable compromise between the fine detail and high computational cost of a full finite element analysis and the coarse detail and short solution times afforded by lumped parameter TECs. The benefits of the method are demonstrated by the analysis and experimental test of a demonstration linear actuator.
Original languageEnglish
Pages (from-to)7006504
Number of pages4
JournalIEEE Transactions on Magnetics
Volume50
Issue number2
DOIs
Publication statusPublished - 28 Feb 2014

Keywords

  • Automated construction
  • cylindrical thermal element
  • equivalent circuit
  • lumped parameter

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