TY - RPRT TI - Development of hypersonic engine seals: Flow effects of preload and engine pressures AU - Cai, Zhong AU - Mutharasan, Rajakkannu AU - Ko, Frank K. AU - Steinetz, Bruce M. PY - 1993 UR - https://ntrs.nasa.gov/citations/19940023096 ID - 19940023096 ER -