Results 1 to 10 of about 516,930 (293)

Performance verification of a laboratory scale hydrogen/oxygen combustion chamber [PDF]

open access: yesHydrogen, Fuel Cell & Energy Storage, 2022
Liquid propellant missiles are commonly applied to launch satellites that must be located in  upper orbits. These systems normally use hydrogen and oxygen propellants that are non-hypergolic mixtures.
Ali Saberimoghaddam*, Elahe Basafa
doaj   +1 more source

Green Hypergolic Ionic Liquids: Future Rocket Propellants

open access: yesJournal of Ionic Liquids, 2022
Hydrazine and its derivatives have been used as standard propellants for spacecraft propulsion systems since the 1960s, despite being highly toxic and carcinogenic. The propellant synthesis community has constantly been looking for green alternatives for
Umakant Swami   +2 more
doaj   +1 more source

Theoretical and Experimental Heat of Combustion Analysis of Paraffin-Based Fuels as Preburn Characterization for Hybrid Rocket [PDF]

open access: yesJournal of Aerospace Technology and Management, 2020
The energy characteristics and theoretical performance of the hybrid rocket fuels are discussed in this paper. Aluminum (Al) and boron (B) metal additives were used to increase the energy density of the paraffin-based solid fuels.
Yash Pal   +2 more
doaj   +1 more source

Study on the Influence of Nozzle Ablation on the Performance of the Solid Rocket Motor

open access: yesAerospace, 2023
As a key component of the solid rocket motor, nozzle ablation is very important to the performance of the motor. In order to study the influence of the law of nozzle ablation on motor performance, a two-dimensional axisymmetric model of a ground state ...
Weiqiang Huang   +4 more
doaj   +1 more source

Mathematical modeling of plasma thruster device thermal processes [PDF]

open access: yesОмский научный вестник: Серия "Авиационно-ракетное и энергетическое машиностроение", 2022
A mathematical model of thermodynamic processes occurring in the arcjet thruster device with using argon for arcjet working process carring out. A comparative analysis of the results of experimental data with theoretical data has been carried out. The
V. V. Shalay   +2 more
doaj   +1 more source

Technological advancements in Pulse Detonation Engine Technology in the recent past: A Characterized Report [PDF]

open access: yesINCAS Bulletin, 2019
Pulse Detonation Engine (PDE), is an emerging and promising propulsive technology all over the world in the past few decades. A pulse detonation engine (PDE) is a type of propulsion system that uses detonation waves to combust the fuel and oxidizer ...
Bharat Ankur DOGRA   +3 more
doaj   +1 more source

Performance Assessment of Fuels TMEDA-DMAZ and Tonka250 with Liquid Oxidizer AK27 [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 2023
Tonka250 is a liquid fuel containing equal percentages of triethylamine and xylidine which has attracted the attention of space industries due to its favorable performance characteristics.
Hossein Rouhandeh   +3 more
doaj   +1 more source

Rocket Solid Propellant Alternative Based on Ammonium Dinitramide [PDF]

open access: yesINCAS Bulletin, 2017
Due to the continuous run for a green environment the current article proposes a new type of solid propellant based on the fairly new synthesized oxidizer, ammonium dinitramide (ADN).
Grigore CICAN, Alexandru-Daniel MITRACHE
doaj   +1 more source

Using the Impulse Method to Determine High-Pressure Dynamic Burning Rate of Solid Propellants

open access: yesAerospace, 2023
A new method for determining the burning rate of a solid propellant, called the Impulse Method, is proposed in this paper. It is based on the proportional relationship between the impulse generated and the mass of the burned propellant. The pressure–time
Jiahao Liu   +3 more
doaj   +1 more source

Pulsed Detonation Hydroramjet: Design Optimization

open access: yesJournal of Marine Science and Engineering, 2022
A new type of marine transportation engine, the pulsed detonation hydroramjet (PDH), which was first designed, manufactured, and tested by the present authors, has been further investigated in terms of the potential improvement of its propulsive ...
Sergey M. Frolov   +5 more
doaj   +1 more source

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