Internal Heat Transfer Effects

This lecture covers the analysis of internal heat transfer effects in heterogeneous reactions, focusing on material and energy balances. The instructor introduces dimensionless numbers and the Arrhenius equation, emphasizing the importance of transport effects in heterogeneous catalysis. The lecture also discusses the numerical solution for a sphere and the determination of the Thiele modulus. Various concepts such as the Steady-State Approximation and the Arrhenius number are explained in detail. The lecture concludes with the derivation of boundary conditions for internal and external mass transfer, highlighting the calculation of the Effectiveness factor. Practical examples and problem-solving strategies are provided throughout the lecture.