Injector characterization for a gaseous oxygen-methane single element combustion chamberM. P. Celano, S. Silvestri, G. Schlieben, C. Kirchberger, O. J. Haidn and O. KnabEUCASS Proceedings Series – Advances in AeroSpace Sciences, 8 (2016) 145-164DOI: https://doi.org/10.1051/eucass/201608145