The bachelor thesis that was created and successfully defended by Jiří Hvožďa in cooperation with Heat Transfer and Fluid Flow Laboratory was awarded in ‘Cena Průmyslového podniku 2019’ (Awards of industry companies). The thesis is called ‘Mathematical description of dynamic heat exchanger’ and it was supervised by Dr. Tereza Brožová. It deals with an analysis of a dynamic heat exchanger, with neglect to position, described