German Aerospace Center (DLR), Institute of Space Propulsion, Im Langen Grund, Hardthausen 74239, Germany;
German Aerospace Center (DLR), Institute of Space Propulsion, Im Langen Grund, Hardthausen 74239, Germany;
German Aerospace Center (DLR), Institute of Space Propulsion, Im Langen Grund, Hardthausen 74239, Germany;
German Aerospace Center (DLR), Institute of Space Propulsion, Im Langen Grund, Hardthausen 74239, Germany;
German Aerospace Center (DLR), Institute of Space Propulsion, Im Langen Grund, Hardthausen 74239, Germany;
German Aerospace Center (DLR), Institute of Space Propulsion, Im Langen Grund, Hardthausen 74239, Germany;