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ISSN: 2667-1344

Hydrogen peroxide – A promising oxidizer for rocket propulsion and its application in solid rocket propellants

This paper discusses the potential use of hydrogen peroxide as oxidizer for solid rocket propulsion. While hydrogen peroxide is a liquid in normal conditions, it may be used in solid rocket motor grains....

A short review of challenges and prospects of boron-laden solid fuels for ramjet applications

This short review article explores the advancement, challenges, and prospects of boron-laden solid fuel for ramjet. The energetic aspect of boron combustion is well known, but the complications associated...

Synthesis of explosive peroxides using unrecognised explosive precursors - percarbonates and perborates

MMH/NTO liquid microthrusters for space propulsion: Progress, challenges, and emerging research directions

Monomethylhydrazine (MMH) and nitrogen tetroxide (NTO) are widely utilized hypergolic bipropellants in spacecraft propulsion systems due to their reliable ignition characteristics, high specific impulse...

Survey of burning rate measurements in small solid rocket motors

Burning rate plays a crucial role in determining the performance of solid rocket motors (SRMs). In the traditional approach for solid propellant propulsion, technical activities regarding burning rates...

Review on the regression rate-improvement techniques and mechanical performance of hybrid rocket fuels

Human spaceflight, space tourism, and the launch of microsatellites are all expected to grow in the future. In fact, with the recent increase of the satellite market, almost 1000 smallsats per year...

Hybrid rocket propulsion technology for space transportation revisited - propellant solutions and challenges

This paper presents the status of developments worldwide regarding use of hybrid rocket motors for space transportation. Historical roots are presented and reasons for revisiting hybrid technology after...

Fluorination-initiated reaction pathways in Al/CuO/B/Viton composites and their effect on underwater explosion performance

This study designed an energetic composite system of Al/CuO/B/Viton to investigate the correlation between formulation parameters and underwater energy output. A series of formulations were constructed...

JWL equation of state parameters for ideal detonation: A comparative study of literature reports, theoretical derivation, and artificial neural network prediction

The Jones-Wilkins-Lee (JWL) equation of state (EOS) is widely used for interpreting the energy release during explosive detonation. Focused on the ideal detonation of high explosives, an artificial...

3D printed different polymer fuel grains for hybrid rocket engine

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 the combustion properties...

Recent advances in the synthesis and performance of energetic cyclopropane fuels for spacecraft

•This review provides the first summary of data on promising cyclopropane fuel for spacecraft.•The main methods for searching for highly efficient fuels were analyzed.•The main methods of synthesis...

Boron-loaded gel fuel as potential fuel for ramjet and scramjet engines- recent advancements

Boron, a high-energy metalloid has been recognized as a potential secondary energy source for liquid hydrocarbon fuel to power volume-limited propulsion devices such as ramjet and scramjet. The higher...

Experimental investigation of the axial oxidizer injectors geometry on a 1-kN paraffin-fueled hybrid rocket motor

The showerhead is the most common type of injector used in hybrid rocket motors due to its design and manufacture simplicity. The main drawback of the showerheads (SH) is the relatively low performance...

Research on the application of azido-based energetic plasticizer 1,5-diazido-3-oxopentane in polyether-based solid propellants

1,5-Diazido-3-oxopentane (AZDEGDN) is a promising energetic plasticizer widely used in explosive formulations due to its low sensitivity, low glass transition temperature, and high thermal stability....

Micron and nano iron particles: Experimental investigation of size dependent combustion in ethanol slurries and bimetallic thermite

•The study analyzes distinct combustion behaviors of micron- and nano-sized iron particles technology in ethanol and thermite.•Micron Fe in ethanol forms porous shells, enhancing burning.•Nano Fe enables...

Characterization of mesoscale damage evolution in NEPE propellant via digital image processing and material region tracking

Nitrate ester plasticized polyether (NEPE) propellants are widely used as the primary energy source in solid rocket motors (SRMs), whose macroscopic mechanical degradation under loading fundamentally...

A mechanics-based framework for evaluating bio-based plasticizers in high-solid-loading AP/Al/HTPB composite propellants

Evaluating sustainable plasticizers for composite solid propellants requires balancing enhanced ductility with the structural demands of high-solid-loading systems. This study introduces a comparative...

LOVA propellant formulations based on RDX and GAP energetic plasticizer obtained by precipitation method

In this study a facile and scalable precipitation method was developed, significantly reducing solvent consumption and eliminating nitrocellulose, thereby offering a safer and lower environmental impact...

Achieving efficient sustainable stabilizers for nitrocellulose-based propellants: A comprehensive review

Stabilizers are critical additives used to ensure long-term storage stability and safe usage of nitrocellulose-based propellants (NCBPs) by mitigating their inherent chemical instability. However, conventional...

Micro-explosion and recycling of an iron-ethanol-kerosene slurry fuel

•Kerosene coating delays Fe oxidation by up to ∼95 °C.•5 wt % ethanol triples burn rate, halves combustion time.•Micro-explosions peak at ∼19,707 s⁻¹ in 10 µm slurries.•Closed loop: burn → H₂ reduce...

Properties of high-energy propellants based on oxygen-enriched thermoplastic elastomer binders

Composite propellants are widely used in applications ranging from gas generators and small rockets to large rocket systems in space programs. This study presents a novel thermoplastic elastomer (TPE)...

Evaluation of ignition performance and ignition enhancement strategies for gradiently denitrated spherical gun propellant

Currently, gradiently denitrated spherical gun propellant (GDSP) has attracted significant attention due to its superior combustion progressivity and low muzzle smoke, demonstrating considerable application...

Studies on creep–recovery viscoelastic behavior of high-energetic composite propellants using dynamic mechanical analyser (DMA)

Reliable assessment of the long-term structural integrity of solid rocket motors requires quantitative understanding of the stress- and temperature-dependent viscoelastic response of composite propellants...

An influence of intra- and intermolecular hydrogen bonding on crystal structure stability and density: Dance of amino and nitro groups around the pyrazole ring

Hydrogen bond plays an important role in chemistry and chemical technology. Plenty of works are related to investigation of weak, moderate and strong hydrogen bonds and their influence on the structure...

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