In the following lecture, ir. Sander Minnoye discusses modelling applications the field of thermodynamics. The lecturer gives a basic understanding of thermodynamics and teaches the students the necessary professional language so they can communicate with the experts. The fundamental laws of thermodynamics will be discussed after which the concept of heat transfer is explained. After that the concept of thermal resistance is explained on the basis of a case study. At last the industrial applications are highlighted and a summary is given.