Modeling the process of slag formation in paste propulsion
September 2024
The results of modeling the accumulation of slag residue in the combustion chamber of a propulsion system on pasty propellant obtained using a multiphase flow evolution model are presented. The influence...
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Boron-loaded gel fuel as potential fuel for ramjet and scramjet engines- recent advancements
September 2024
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...
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Advancing nitrocellulose thermal stability through the incorporation of ion-exchanged ZSM-5 zeolite for enhanced performance
Available online 27 September 2024
In this study, cellulose nitrate (NC), a highly energetic polymer, was supplemented with two distinct classes of stabilizing agents: the usual diphenylamine (DPA) and zeolite molecular sieves (ZSM-5)...
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Maltose-based pyrotechnic aerosol forming composites for fire extinguishing application
Available online 20 September 2024
This study explores the development of environmentally friendly aerosol forming composites (AFCs) for use in condensed aerosol-based fire extinguishing systems (CAFES). Traditional fire suppressants...
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Analysis of the combined impulse of fragments and the shock wave composite load
Available online 17 September 2024
This study conducted experiments and numerical simulations to investigate the Mechanical Properties of Fragments and Shock Waves generated blast. A combined impulse calculation model was established...
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Catalytic effects of transition metal oxides on HTPB-based fuel polymer matrices
Available online 8 September 2024
Low regression rate due to difficult pyrolysis is a major challenge in the practical application of terminated hydroxyl‑terminated polybutadiene (HTPB)-based fuels in hybrid rocket propulsion. Accelerating...
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Effect on the performance of a hybrid rocket using AP in the PVC and HTPB-based hybrid fuel
Available online 21 August 2024
•AP is added in limited quantity to hybrid fuel for improving performance.•Regression rate increased with AP addition to HTPB while PVC fuel gave no change.•Pressure, thrust and efficiency increased...
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Development of hydrogen peroxide based micro thruster utilizing biomass-based catalyst bed
Available online 17 August 2024
Micro thrusters, also referred to as micro-newton thrusters, are thrusters having a wide range of force capabilities in the micro-newton range. Micro thrusters are used in CubeSats, tiny robots and...
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Low-sensitivity energetic material based on 1,2,4-oxadiazole
Available online 17 August 2024
In this work, a new series of monocyclic compounds based on 1,2,4-oxadiazol-5(4H)-one was synthesized. The molecular structure, thermal stability and sensitivity to external stimuli for these compounds...
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Performance estimation of hybrid rocket by varying the flow rate at multi-location swirl injector
Available online 7 August 2024
This study attempts to evaluate the effect of varying the oxidizer mass flow rate through the secondary mid-location swirl injector on the performance of a hybrid rocket motor (HRM). The hybrid fuel...
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New X-ray based characterization technique for aluminized explosives and effect of aluminum proportion on velocity of detonation
Available online 29 July 2024
Explosive samples of aluminized compositions based on RDX/HMX-TNT have been investigated using digital radiography comprising a flat panel detector and an ultra-fine focus X-ray tube. Melt-cast aluminized...
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Study on the open-air NEPE solid propellant fire characteristics: Effect of altitude upon the flame performance through CFD
Available online 26 July 2024
Solid propellant fires, characterized by uncontrolled combustion behaviors, are a common occurrence in industries that utilize solid propellants and can lead to significant consequences. However, there...
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Metallic Composite Energetic Materials (MCEMs)
Available online 23 July 2024
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Effect of the accelerated aging process on the thermal decomposition of LiAlH4-based composite solid propellants
Available online 17 July 2024
In the present work, a study was carried out on the effect of the accelerated aging process on the thermal decomposition of two composite solid propellants based on ammonium perchlorate (AP) and hydroxy‑terminated...
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Multi-hole grid thruster plume simulation model based on single grid aperture analytical model
June 2024
This paper presents a plume divergence angle prediction model for ion thruster. Firstly, an analytical model using Gaussian distribution for single grid hole plume is proposed. The parameters of this...
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Elaboration, spectroscopic characterization, and study of the thermal decomposition process of energetic composites based on ammonium perchlorate and dual-biopolymers
June 2024
The current study presents a successful elaboration and characterization of an innovative energetic composite based on nitrocellulose and nitrostarch (NCNPS) dual-biopolymers, and ammonium perchlorate...
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3D printed different polymer fuel grains for hybrid rocket engine
June 2024
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...
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Array of carbon black-based microthrusters for CubeSat applications
June 2024
Access to space for small private companies requires to improve the ability to bring low-cost satellites into orbit. CubeSats offer a unique opportunity to meet these needs thanks to their reduced production...
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Survey of burning rate measurements in small solid rocket motors
June 2024
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...
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Numerical simulation of nano-aluminum ignition in oxygen and steam environments
June 2024
The ignition characteristics of nano-aluminum (nano-Al) in oxygen and steam environments were numerically studied in this work. A detailed kinetic mechanism of nano-Al combustion was developed, and...
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A review on solid propellant micro-thruster array based on MEMS technology
June 2024
With the development of micro-spacecraft technology, micro-nano satellites have the advantages of small size, low power consumption, short development cycle, formation networking, etc., and can complete...
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Energetic material characterization and ignition study of MEMS based micro-thruster for multi spacecrafts missions
June 2024
Over the past few years, there has been a growing recognition of the importance of multi-spacecraft missions for a variety of purposes, including Earth observation, navigation, guidance, climate monitoring,...
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Development of high burn rate propellant and testing in miniature rocket motor for control applications
June 2024
For aerospace vehicles, notably missiles or satellites for attitude and divert control, impulsive thrusters are most desirable if they are quantized as exact instantaneous pulses available over and...
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Enhancement of the energetic performance of solid fuels with metal-fluoropolymer additives
June 2024
Aluminum (Al) holds a pivotal role in augmenting the energetic potential of solid fuel formulations. Its incorporation can notably amplify the energy yield upon combustion. Nevertheless, challenges...
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