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

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 …

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 …

This paper provides a valuable method to perform transient numerical simulations for hybrid
rocket motors (HRMs). A two-dimensional transient numerical simulation model based on …

The combustion characteristics obtained from the coupling effect between swirl injection and
a novel composite hybrid rocket fuel grain were investigated. The novel composite fuel grain …

This paper aims at the dynamic characteristics study of variable thrust HRMs, for which a two-
dimensional transient numerical model of HRM is established. Complete transient …

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 …

Hybrid rocket engines suffer from the restricted mechanical properties and low regression
rates of current polymeric fuel grains. We propose a three-dimensional printed aluminium …

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 …