Combustion performance of a novel hybrid rocket fuel grain with a nested helical structure

Z Wang, X Lin, F Li, X Yu - Aerospace Science and Technology, 2020 - Elsevier
The combustion performance of a novel fuel grain having a nested helical structure was
experimentally investigated using a laboratory-scale hybrid rocket engine. This grain …

Mechanical and combustion properties of fluoroalkylsilane surface-functionalized boron/HTPB composite

D Ka, J Baek, Y Jiang, AH Huynh, GR Gross… - Combustion and …, 2024 - Elsevier
Boron (B) and hydroxyl‑terminated polybutadiene (HTPB) composites have been studied as
potential solid fuels for air-breathing propulsion systems. One of the challenges facing the …

Investigation of dynamic mixing combustion characteristics in variable thrust hybrid rocket motors

H Xia, N Wang, J Yang, Y Wu - Combustion and Flame, 2023 - Elsevier
The dynamic mixing combustion characteristics in variable thrust hybrid rocket motors
(HRMs) have been investigated by using a newly developed two-dimensional transient …

Understanding Kelvin–Helmholtz instability in paraffin-based hybrid rocket fuels

A Petrarolo, M Kobald, S Schlechtriem - Experiments in Fluids, 2018 - Springer
Liquefying fuels show higher regression rates than the classical polymeric ones. They are
able to form, along their burning surface, a low viscosity and surface tension liquid layer …

Perfluoroalkyl-Functionalized HTPB Improves the Mechanical and Combustion Performance of Boron/HTPB Composites as Solid Fuel

AM Robinson, D Ka, X Zheng, Y Xia - ACS Applied Polymer …, 2024 - ACS Publications
Solid composites comprising boron (B) and hydroxyl-terminated polybutadiene (HTPB) are
attractive potential fuels for air-breathing propulsion systems. However, a notable challenge …

Optical analysis of the liquid layer combustion of paraffin-based hybrid rocket fuels

A Petrarolo, M Kobald, S Schlechtriem - Acta Astronautica, 2019 - Elsevier
Liquefying hybrid rocket fuels (eg paraffin) enable higher regression rates due to the
presence of an unstable melt layer on the fuel surface during combustion, which causes …

Visualization of combustion phenomena in paraffin-based hybrid rocket fuels at super-critical pressures

A Petrarolo, M Kobald, S Schlechtriem - 2018 Joint Propulsion …, 2018 - arc.aiaa.org
∆ Mf= burned fuel mass, g GOx= Time averaged oxidizer mass flux, kg/m2s OF= Time
averaged mixture ratio dt= Nozzle throat diameter, mm mOx= Time averaged oxidizer mass …

Principal and independent component analysis of hybrid combustion flame

A Petrarolo, M Kobald, H Ciezki… - International Journal of …, 2019 - dl.begellhouse.com
Hybrid rocket engines are a promising technology for a variety of applications, due to their
advantages with respect to solid and liquid propulsion systems. However, their use has …

[PDF][PDF] Optical Analysis of Liquid Film Instabilities in Paraffin-Based Hybrid Rocket Fuels

A Petrarolo, M Kobald, HK Ciezki… - 68th International …, 2017 - researchgate.net
The interest in hybrid rocket propulsion has been renewed in recent years due to the
discovery of liquefying fuels (eg paraffin), which show higher regression rates with respect to …