Results 61 to 70 of about 668 (194)

Analysis of Characteristics of Swirling Spray of the Ammonium Dinitramide (ADN)-Based Green Monopropellant

International Journal of Aeronautical and Space Sciences, 2018
Ammonium dinitramide (ADN) based green propellant is a promising alternative propellant for future space propulsion. Atomization of thruster plays an important role in the entire operation process. This paper describes the effect of swirl injection regarding tangential hole geometric parameter on the atomization characteristics of ADN-based green ...
Jun Chen, Guoxiu Li, Tao Zhang
openaire   +1 more source

Effects of Different Initial Conditions on Combustion Process of Ammonium Dinitramide-Based Energetic Propellant in Straight Nozzle

Aerospace
As a new type of green propellant, ammonium dinitramide (ADN)-based energetic propellants have wide application value and development potential in the field of space propulsion. This paper delves into the intricate impact of varying initial temperatures,
Luyun Jiang, Chentao Mao, Jianhui Han, Haichao Cui, Baosheng Du, Yongzan Zheng, Jifei Ye, Yanji Hong   +7 more
doaj   +1 more source

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

, 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, Li F(李飞), Ou DB, Yu XL(余西龙), Zeng H(曾徽)   +4 more
core   +1 more source

Studying the influence of aluminium in ADN/HTPB-based solid propellants [PDF]

Ammonium Dinitramide (ADN) combustion has been the subject of great interest over the past few years due to consideration as a green oxidizer in solid rocket propellants.
Kore, Rushikesh, Nagendra, Kumar, Vashishtha, Ashish   +2 more
core   +1 more source

Green Comparable Alternatives of Hydrazines-Based Monopropellant and Bipropellant Rocket Systems [PDF]

, 2019
Concepts are presented for “green” (with reduced hazards) replacements for monopropellant hydrazine propulsion systems and for hypergolic bipropellant systems while maintaining similar performance.
Elyashiv, Moti, Grinstein, Dan, Habibi, Avihay, Hasan, Dov, Kuznetsov, Alexander, Natan, Benveniste, Schlagman, Zohar   +6 more
core   +1 more source

Innovative surface modification strategy for ADN: PFOA-interlayered and vibrational magnetron sputtering for constructing anti-hygroscopic composite structures

Defence Technology
Ammonium dinitramide (ADN), as a high-energy oxidizer widely applied in the field of rocket and missile propellants, has a prominent issue of high hygroscopicity due to its strong polarity.
Yinan Lyu, Xiaoxia Ma, Xiaoting Ren, Shuping Sun, Lin Shi, Li Yang   +5 more
doaj   +1 more source

Chemical Rocket Propulsion

, 2012
International Journal of Aerospace Engineering, Volume 2012, Issue 1, 2012.
David Greatrix, Ivett Leyva, Dario Pastrone, Valsalayam Sanal Kumar, Michael Smart   +4 more
wiley   +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]

, 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, Gritzka, Marc, Hörger, Till, Lauck, Felix, Merz, Florian, Stratmann, Vincent, Werling, Lukas   +6 more
core  

ADN – THE NEW OXIDIZER AROUND THE CORNER FOR AN ENVIRONMENTALLY FRIENDLY SMOKELESS PROPELLANT. doi:10.5028/jatm.2009.0102153160

Journal of Aerospace Technology and Management, 2011
The search for a smokeless propellant has encouraged scientists and engineers to look for a chlorine-free oxidizer as a substitute for AP (ammonium perchlorate).
Márcio Y. Nagamachi, José Irineu S. Oliveira, Aparecida M. Kawamoto, Rita de Cássia L. Dutra   +3 more
doaj  

Combustion Behaviour of ADN-Based Green Solid Propellant with Metal Additives: A Comprehensive Review and Discussion

Aerospace
Solid propellants play a crucial role in various civil, scientific, and defence-related aerospace propulsion applications due to their efficient energy release, high energy density, low fabrication cost, and ease of operation.
Rushikesh Kore, Ashish Vashishtha
doaj   +1 more source