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 …

Hybrid propulsion technology for aerospace applications has received growing attention in
recent years due to its important advantages over competitive solutions. Hybrid rocket …

This paper presents three-dimensional numerical modeling of the processes occurring in the
combustion chamber of a hybrid engine. Numerical simulation using verified author's code …

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 …

Hybrid rocket engines are promising propulsion systems which present appealing features
such as safety, low cost, and environmental friendliness. On the other hand, certain issues …

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 …

Results from a development campaign, where modern additive manufacturing methods are
used to fabricate hybrid rocket fuel grains with embedded helical ports, are presented. The …

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 …

In this work, we assess the impact of stepped hybrid rocket solid fuel grains on the
performance of the engine. The influence of Forward Facing Steps (FFS) and Backward …

Hybrid rocket propulsion, first demonstrated by the Russian GIRD-09 rocket in 1933,
combines liquid oxidizer and solid fuel for thrust generation. Despite numerous advantages …