A technique utilizing a solid fuel grain with a novel nested helical structure to improve the combustion performance of a hybrid rocket engine is presented.
Wang, Z., Lin, X., Li, F., Zhang, Z., Yu, X. Improving the Combustion Performance of a Hybrid Rocket Engine using a Novel Fuel Grain with a Nested Helical Structure. J. Vis. Exp. (167), e61555, doi:10.3791/61555 (2021).