1. Institute
of Thermal Engineering, Graz University of Technology, Inffeldgasse
25b, 8010 Graz, Austria
2. Forschungszentrum Jülich IEK-2, 52425 Jülich, Germany
3. Highterm Research GesmbH, Puchstraße
85, 8020 Graz, Austria
4. Chair
of Energy Network Technology, University of Leoben, Franz-Josef-Strasse
18, 8700 Leoben, Austria