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Author(s): Joshua Wallace & Steve Scampoli, ANSYS Inc.

Problem Specification
1. Pre-Analysis & Start-Up
2. Geometry
3. Physics Setup
4. Numerical Solution/Results
5. Verification & Validation

Thermal Analysis of an Electrical Wire

Created using ANSYS AIM 18.2 

Problem Specification

For this demonstration we are asked to determine the centerline temperature Tc and surface temperature of a bare steel wire carrying a current I and having a resistance R. The surface convection coefficient between the wire and the ambient air (at temperature Ta) is h.


Given values:

k=13 BTU/hr*ft*F

h=5 BTU/hr*ft2*F

R=0.0001 /ft

Ta=70 F

I=1000 A



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