RWTH Aachen University, affiliation not provided to SSRN, RWTH Aachen University, affiliation not provided to SSRN, Institute of Technical Thermodynamics, RWTH Aachen University, Chalmers University of Technology, Energy Technology, Department of Space, Earth and Environment, Students, Institute of Technical Thermodynamics, RWTH Aachen University and Institute of Technical Thermodynamics, RWTH Aachen University