Surrogate Model for the Prediction of the Performance of a Tubular Pulsated Heat Pipe

Power electronics like Insulated Gate Bipolar Transistors (IGBT), Central Processing Units (CPU), Graphics Processing Units (GPU), and diodes, among others are key pieces for the control of electronics embedded in the new generation (more electrical) aircraft. These power electronics are smaller and more and more efficient. However, the increase in their performance and their miniaturization also increases their heat release. A solution to cool down these power electronics is the Pulsated Heat Pipes (PHP), which are very efficient and passive two-phase flow heat exchangers. This work discusses the construction of a PHP predesign tool using surrogate modelling. For this purpose, the database generation, surrogate training, and performance in predicting the thermal resistance of different PHP geometries are presented.