Modeling of Heat Transfer -- Tools and Methods for Thermal Characterization -- Steady-state Methods -- Flux/Temperature Transient Methods -- Transient Temperature/Temperature Methods -- Choice of an Adapted Method -- Analogies Between Different Transfers -- Physical Properties of Some Materials -- Physical Properties of Air and Water -- Transfer Coefficients in Natural Convection -- Main Integral Transformations: Laplace, Fourier and Hankel -- Inverse Laplace Transformation -- Value of the Function ERF -- Quadrupole Matrices for Different Configurations -- Bessel Equations and Functions -- Influence of Radiation on Temperature Measurement -- Case Study.