Utilization of additive manufacturing in hybrid rocket technology: A review

C Oztan, V Coverstone - Acta Astronautica, 2021 - Elsevier
The focus of this review is to collect and compare research studies on hybrid rocket fuels
and components produced via additive manufacturing. The use of hybrid rocket propulsion …

Performance of additively manufactured fuels for hybrid rockets

C Nguyen, JC Thomas - Aerospace, 2023 - mdpi.com
Hybrid rocket engine (HRE) performance is dependent on fuel/oxidizer selection and fuel
grain geometry. A literature review was performed to identify key trends and findings related …

A new strategy for the reinforcement of paraffin-based fuels based on cellular structures: The armored grain—Mechanical characterization

R Bisin, C Paravan, S Alberti, L Galfetti - Acta Astronautica, 2020 - Elsevier
Paraffin waxes have been identified as promising hybrid rocket fuels. Though attractive from
the ballistic point of view, these materials feature poor mechanical properties and, in …

[HTML][HTML] A new strategy for the reinforcement of paraffin-based fuels based on cellular structures: The armored grain—Ballistic characterization

R Bisin, C Paravan - Acta Astronautica, 2023 - Elsevier
Slow regression rate of the solid fuel is the main limitation for the use of hybrid rocket
engines in high thrust applications. Paraffin-based fuels tackle this limitation thanks to the …

Swirling effect on thermodynamic performance in a solid fueled ramjet with paraffin-polyethylene

W Li, X Chen, D Zhao, B Wang, K Ma, T Cai - Aerospace Science and …, 2020 - Elsevier
In this work, systematic firing tests have been conducted to evaluate the thermodynamic
performances and combustion behaviors of Solid Fuel Ramjet (SFRJ) fueled by paraffin …

Nano-sized and mechanically activated composites: Perspectives for enhanced mass burning rate in aluminized solid fuels for hybrid rocket propulsion

C Paravan - Aerospace, 2019 - mdpi.com
This work provides a lab-scale investigation of the ballistics of solid fuel formulations based
on hydroxyl-terminated polybutadiene and loaded with Al-based energetic additives. Tested …

[HTML][HTML] 3D printed different polymer fuel grains for hybrid rocket engine

X Yu, H Yu, H Gao, W Zhang, LT DeLuca, R Shen - FirePhysChem, 2024 - Elsevier
The advent of various additive manufacturing technologies, such as 3D printing, has
changed the structural design and preparation process of rocket fuels. In order to investigate …

Strategies for paraffin-based fuels reinforcement: 3d printing and blending with polymers

R Bisin, A Verga, D Bruschi, C Paravan - AIAA Propulsion and Energy …, 2021 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2021-3502. vid Although affordable and
fast burning, paraffin waxes are rarely exploited as fuels in real flying systems because of …

Impact of 3D-printing on the mechanical reinforcement and the ballistic response of paraffin-based fuels: the armored grain

R Bisin, C Paravan, S Parolini, L Galfetti - AIAA Propulsion and Energy …, 2020 - arc.aiaa.org
The 3D printing is changing the paradigm for manufacturing, thanks to the ability to rapidly
produce customized and complex structures. The Space Propulsion Laboratory is exploiting …

[PDF][PDF] Towards high-performing paraffin-based fuels exploiting the armored grain concept

R Bisin, C Paravan, A Verga… - 9th European Conference …, 2022 - re.public.polimi.it
The attractive features of hybrid rocket propulsion could be fully exploited, and the inherent
drawbacks overcome thanks to the armored grain approach. The armored grain, a …