For SSTOs, the system must include a rocket engine for the end of the flight, outside atmosphere. a. One of the most studied cycles is the turboramjet: The turbojet is located inside the ramjet. It is used in turbo mode first, then undergoes a transition at around Mach 3. It globall...
(velocity) that varies with operating and ambient conditions (working fluids, ambient temperature, and depth). This aspect of acceleration of the MRJ to a working velocity is not dealt with in this study, though different methods exist (e.g., the use of rocket boosters or compressed air for...