Results 81 to 90 of about 327,422 (252)

Preparation of low hygroscopicity ADN-based energetic composite microspheres and their performance study

open access: yesAIP Advances, 2023
In order to reduce the hygroscopicity of ammonium dinitramide (ADN), four different ADN/nitrocellulose (NC) samples were prepared from acetone solutions using electrostatic spraying, with the concentrations of 2.5, 5, 7.5, and 10 mg ml−1.
Shimin Zhang   +4 more
doaj   +1 more source

基于量子级联激光器的ADN基液体发动机稳态燃烧CO特征浓度的实验测量 [PDF]

open access: yes, 2015
二硝酰胺铵(AND)作为一种绿色无毒推进剂已在固体推进剂以及液体推进剂领域得到一定程度的应用,是未来化学推进技术的一个新方向.目前我国正处于ADN基液体推进剂研究的起始阶段,对于其燃烧反应过程的研究是当前的一个研究重点.由于ADN基液体推进剂催化分解及燃烧反应过程复杂,相关的实验结果国内外公开文献发表较少,因此有必要开展ADN基液体发动机催化分解及燃烧反应的实验研究.本实验采用基于量子级联激光器的吸收光谱诊断技术,对ADN基液体发动机燃烧室内燃烧过程进行探究 ...
余西龙   +5 more
core  

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

open access: yes
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   +2 more
core   +1 more source

Electronic Structure Studies of Tetrazolium-Based Ionic Liquids [PDF]

open access: yes, 2006
New energetic ionic liquids are investigated as potential high energy density materials. Ionic liquids are composed of large, charge-diffuse cations, coupled with various (usually oxygen containing) anions.
Boatz, Jerry   +3 more
core   +3 more sources

ADN – The new oxidizer around the corner for an environmentally friendly smokeless propellant [PDF]

open access: yesJournal of Aerospace Technology and Management, 2009
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   +3 more
doaj  

ADN and HAN-based energetic fuels – A Minireview on compatibility and chemical stability in aqueous media [PDF]

open access: yes, 2019
This article gives a short review on compatibility and chemical stability of selected aqueous ADN and HAN‐based energetic formulations. A brief introduction will outline Energetic Ionic Liquids (EILs) as a new class of energetic materials with beneficial
Ciezki, Helmut, Freudenmann, Dominic
core   +1 more source

Green Propulsion Auxiliary Power Unit Demonstration 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.
Beckel, Steve, Robinson, Joel W.
core   +4 more sources

Experimental Study on the Influence of Microwave Energy Pulse Width and Duty Cycle on Evaporation and Ignition Characteristics of ADN-Based Liquid Propellant Droplets

open access: yesAerospace
This study investigates the evaporation and ignition characteristics of a single droplet of ammonium dinitramide (ADN)-based liquid propellant utilizing a waveguide resonant cavity device, in conjunction with a high-speed photographic imaging system and ...
Dezhao Yu   +5 more
doaj   +1 more source

Familiarization and Detection of Green Monopropellants Image [PDF]

open access: yes
Ammonium dinitramide (ADN) and hydroxyl ammonium nitrate (HAN) are green monopropellants which will be appearing at Kennedy Space Center (KSC) for processing in the next few years. These are relatively safe replacements for hydrazine as a monopropellant;
Coan, Mary R.
core   +1 more source

Green Propellants - Oxidizers

open access: yesJournal of Aerospace Technology and Management, 2013
http://dx.doi.org/10.5028/jatm.v5i2.229 The research for low toxicity and no damage to the environment has stimulated the development of specific investigation lines in many areas.
Gilson da Silva   +2 more
doaj  

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