MITCHELL GALLETLY; WILLIAM GIANG

DOI Number: 10.13009/EUCASS2023-011

Accurate apogee prediction is one of the most important ways for student teams participating in rocketry competitions to maximise points. This paper presents USYD Rocketry Team’s unique in-house developed trajectory and aerodynamic simulator for high-power rockets, known as Ironbark. Inviscid aerodynamic simulations are conducted in Ironbark using the higher-order panel code PANAIR and the viscous drag contribution is added using common analytical equations. A custom six-degree-of-freedom simulation is used for trajectory modelling. Ironbark is shown to reproduce aerodynamic results to available experimen­tal data confirming its credibility. Finally, Ironbark’s apogee prediction for Bluewren, the 2022 winning Spaceport America Cup rocket, is presented and discussed.

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In Categories: 1. Aerospace Europe Conference 2023, 1.Events, 17. System Integration
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