Two-Phase Heat Transfer Devices in Thermal Control Systems of Electric Transport

The need to reduce harmful emissions and fossil fuel consumption has spurred the development of environmentally friendly technologies in the energy, industrial, and transportation sectors. One approach to addressing this problem is the active adoption of electric and hybrid powertrains in transportation, partially replacing internal combustion engines with them. With the development of electric transport, the growth of energy availability and the increase in mileage, the problem of ensuring optimal thermal conditions for the operation of engines, electronics, batteries and other equipment of electric vehicles is becoming increasingly important. This article examines methods for thermal management of electric vehicle equipment and the feasibility of using heat pipes and thermosyphons for these purposes. Based on the information obtained, the goal was to propose an effective, compact device for passive cooling of heat-loaded components in electric vehicles. The design and test results of an aluminum loop thermosyphon with two evaporators are presented. This loop thermosyphon is capable of simultaneously removing heat from two sources and transferring it to a single heat sink, thus replacing two thermosyphons and increasing the compactness of the thermal management system.