H Zhu, D Li, H Nie, X Wei, Y Wei - Aerospace Science and Technology, 2023 - Elsevier
When designing a novel double-layer staggered-rotor octocopter with improved aerodynamic performance, the aerodynamic performance and structural parameters will …
GW Harris, P He, OO Abdelkhalik - Journal of Spacecraft and Rockets, 2024 - arc.aiaa.org
This paper develops a control co-design (CCD) framework to simultaneously optimize the spacecraft's trajectory and onboard system (rocket engine) and quantify its benefit. An open …
This paper investigates the use of neural networks as surrogate models for fast and accurate performance prediction of hybrid rocket engines (HREs). To this aim, a deep feedforward …
This study aims to determine the optimal design and ascent trajectory for a single-stage hybrid rocket in the context of a lunar ascent mission, with the objective of reaching a 100 km …
View Video Presentation: https://doi. org/10.2514/6.2023-2349. vid This paper investigates the use of swirl injection in hybrid rocket engines as a means to improve the overall design …
DJ Rajendran, M Santhanakrishnan, V Pachidis… - Acta Astronautica, 2024 - Elsevier
The oxidizer system in a hybrid rocket motor needs to deliver the flow from a pressurized storage tank to multiple combustor ports. Pressure losses in the oxidizer system directly …
In this paper, the integrated optimization of a hybrid launch vehicle is analyzed for a nominal mission to a 500 km polar circular orbit. A single hybrid rocket engine unit is reused across …
A computational tool able to perform a fast analysis of hybrid rocket engines is presented, describing briefly the mathematical and physical models used. Validation of the code is also …
H Zhu, H Nie, L Zhang, S Deng, X Wei - Journal of Aerospace …, 2021 - ascelibrary.org
Improving aerodynamic performance with limited dimensions is becoming more important in the design of multirotor aircraft. Complex coupling interactions exist between the structural …