Solving The Nonlinear Heat Conduction In A Spherical Coordinate With Electrical Simulation

A. M. Gheitaghy, H. Saffari & G. Q. Zhang
Numerical approach based on the electrical simulation method is proposed to solve a nonlinear transient heat conduction problem with nonlinear boundary for a spherical body. This problem represents a strong nonlinearity in both the governing equation for temperature dependent thermal property and the boundary condition for combined convective and radiative cooling. By analysing the equivalent electrical model using the electrical circuit simulation program HSPICE, transient temperature and heat flux distributions at sphere can be obtained...
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