Hot-fire testing of liquid oxygen/hydrogen single coaxial injector at high-pressure conditions with optical diagnosticsD.I. Suslov, J.S. Hardi, B. Knapp and M. OschwaldEUCASS Book Series – Advances in AeroSpace Sciences, 11 (2019) 391-406DOI: https://doi.org/10.1051/eucass/201911391