The Hyperloop concept is a theoretical concept for a new mode of transport that levitates in partial vacuum tubes at almost the speed of sound. The interest in this technology and its advantages for the society is constantly growing. This trend can be seen worldwide and rated in the amount of arising researches and prototypes.
Until now no solution is available how to cool the heat generating components of a Hyperloop vehicle. In this thesis a high-level design of a possible cooling concept for a Hyperloop vehicle is developed. To quantify the thermal losses a numerical model of the system is created. For that the Hyperloop Pod 2019 from Swissloop is used as the reference system. Findings from this model help to evaluate the cooling system and to optimise the load profile for the Swissloop Pod participating in the SpaceX Hyperloop Competition 2019.
The proposed cooling concept is based on a latent thermal storage. It is charged by the waste heat of the vehicle during the run in the vacuum tube. The calcium chloride hexahydrate is a PCM with the required capacity and performance characteristics. The PCMs melting point of 30°C makes it possible to regenerate the storage during the stops at the stations with cold tap water. The major heat source of a LIM powered Hyperloop pod is the winding of the motor which must be protected from overheating by internal cooling in the copper wires. The battery cells and the inverter are other relevant heat sources. The battery cells are directly flowed around by the cooling fluid and the inverter modules are cooled with a water cooler block and an in-line, controlled Peltier element.
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