Improvements and Enhancements to SCCREAM, A Conceptual RBCC Engine Analysis Tool
Bradford, John Edward
Olds, John R.
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A rocket based combined-cycle engine analysis tool suitable for use in the conceptual design environment has recently been established. While this tool was being used in the design environment, new analysis capabilities were desired and areas for improvement were noted. This paper will detail the recent improvements made to the conceptual design tool, SCCREAM, and present the results generated by the added capabilities. The improvements range from an additional engine analysis mode, alternate propellant combinations, and a new user-interface which enables remote execution. The improvements and added capabilities to SCCREAM will be discussed and the program methodology will be examined in detail when appropriate. Results generated by SCCREAM’s new scramjet analysis mode are then shown to compare very well with an industry standard code, RJPA. Engine performance generated by SCCREAM for a single stage to orbit launch vehicle are then compared with historical airbreathing engine performance data, and other industry common analysis codes.