Heat transfer considerations are important in almost all areas of technology. However, heat transfer analysis can be very difficult for complicated systems such as very large-scale integrated (VLSI) electric circuits and systems, making the simulation an attractive technique for studying heat transfer of those systems. This paper presents methods of heat transfer simulation using PSpice. First, typical heat transfer modes are discussed and heat transfer equations are presented. Then, equivalent electrical models are developed, and PSpice representations of those models are investigated. Finite-difference RC network models are developed and used for the simulation of complicated heat transfer problems using PSpice. Two typical heat transfer examples are studied. Simulations are performed to investigate and study the heat transfer and energy flow of the two examples using PSpice.

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