Results 81 to 90 of about 873 (194)

Innovative Solid Formulations for Rocket Propulsion

open access: yesEurasian Chemico-Technological Journal, 2016
Solid rocket propulsion enjoys several unique properties favoring its use in space exploration and military missions still for decades to come, in spite of being by far the most mature propulsion technology among those currently employed.
L. T. DeLuca
doaj   +1 more source

Thermal characteristics of high energetic materials for next generation rocket [PDF]

open access: yes, 2015
横浜国立大学博士(工学)doctoral ...
Matsunaga, Hiroki   +2 more
core   +1 more source

Exploring the hygroscopic behavior of highly energetic oxidizer ammonium dinitramide (ADN) at different temperatures and humidities using an innovative hygroscopic modeling

open access: yesDefence Technology
Ammonium dinitramide (ADN) is a new type of green energetic oxidizer with excellent energy density and low pollution combustion characteristics. However, the strong hygroscopicity has a significant impact on its practical application.
Qiangqiang Lu   +10 more
doaj   +1 more source

Green Application for Space Power [PDF]

open access: yes
Most space vehicle auxiliary power units (APUs) use hydrazine propellant for generating power. Hydrazine is a toxic, hazardous fuel that requires special safety equipment and processes for handling and loading. In recent years, there has been development
Robinson, Joel
core   +1 more source

From Lampoldshausen to Orbit: DLR Spin-off GreenDelta and the Development Status of Green Propellant Thrusters Based on H\u3csub\u3e2\u3c/sub\u3eO\u3csub\u3e2\u3c/sub\u3e and N\u3csub\u3e2\u3c/sub\u3eO [PDF]

open access: yes, 2023
The German Aerospace Center\u27s Institute of Space Propulsion in Lampoldshausen has more than a decade of experience in green propellant research and green propulsion hardware development.
Dobusch, Julian   +6 more
core  

Effect of Microwave Antenna Material and Diameter on the Ignition and Combustion Characteristics of ADN-Based Liquid Propellant Droplets

open access: yesEnergies
Microwave-assisted ignition is an emerging high-performance ignition method with promising future applications in aerospace. In this work, based on a rectangular waveguide resonant cavity test bed, the effects of two parameters (material and diameter) of
Dong Li, Yangyang Hou, Yusong Yu
doaj   +1 more source

In Situ Flame Structure Imaging of Composite Propellants using High-Speed Planar Laser-Induced Fluorescence [PDF]

open access: yes, 2015
Ammonium perchlorate (AP) is the most commonly used oxidizer in solid rocket propellants due to its availability, high oxygen balance, and combustion characteristics.
Isert, Sarah
core   +1 more source

Green Mono Propulsion Activities at MSFC [PDF]

open access: yes
In 2012, the National Aeronautics & Space Administration (NASA) Space Technology Mission Directorate (STMD) began the process of building an integrated technology roadmap, including both technology pull and technology push strategies.
Robinson, Joel W.
core   +3 more sources

Measurement of multispecies concentration and gas temperature in an ammonium-dinitramide-based thruster by tunable diode lasers [PDF]

open access: yes, 2018
In this paper, quantitative experiments were made to measure the concentration of key intermediate products (CO, N2O, and NO) and the gas temperature for combustion flow based on near-infrared and mid-infrared laser absorption spectroscopy.
Chen LZ   +4 more
core   +1 more source

Exploration of the application of ADN in composite explosives

open access: yesFirePhysChem
Ammonium dinitramide (ADN) is a high-performance, novel green oxidizer that is commonly used in solid propellants. It offers advantages such as a large oxygen balance and significant gas release, making it a promising candidate for use as an oxidizing ...
Wenxiang Bian   +5 more
doaj   +1 more source

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