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Low regression rate and efficiency have limited the widespread use of hybrid rocket motors. A possible solution is the use of a swirling injection and the addition of a post-chamber. Is is shown that the regression rate is linearly related to the swirl number and that a small post-chamber is sufficient with vortex injection.
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This page is a summary of: Regression Rate Design Tailoring Through Vortex Injection in Hybrid Rocket Motors, Journal of Spacecraft and Rockets, March 2020, American Institute of Aeronautics and Astronautics (AIAA),
DOI: 10.2514/1.a34539.
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