Results 71 to 80 of about 873 (194)

Theoretical Research on the Combustion Characteristics of Ammonium Dinitramide-Based Non-Toxic Aerospace Propellant

open access: yesAerospace
Propellants play a crucial role in the propulsion systems of aerospace vehicles, and their combustion characteristics are susceptible to external environmental conditions. This study systematically investigated the impact of various initial conditions on
Jianhui Han   +7 more
doaj   +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

Export Control Handbook for Chemicals [PDF]

open access: yes, 2019
The aim of this handbook is to correlate those chemicals under the scope of Export Control Regulations with other relevant data such as: the Combined Nomenclature code used to identify commodities in export declarations for Customs procedures, the CAS ...
ARNES NOVAU Xavier, SEVINI Filippo
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  

The Electrolysis of Ammonium Dinitramide in Dimethyl Sulfoxide

open access: yesPropellants, Explosives, Pyrotechnics, 2020
AbstractThis work investigated the electrolysis of ammonium dinitramide (ADN: NH4N(NO2)2) in dimethyl sulfoxide (DMSO). Various fundamental electrolysis properties of ADN were assessed based on an electrochemical study and the associated mechanisms were examined based on a quantum chemical approach.
Yu‐ichiro Izato   +3 more
openaire   +1 more source

Development and Testing of a Green Monopropellant Ignition System [PDF]

open access: yes
This paper will detail the development and testing of a "green" monopropellant booster ignition system. The proposed booster ignition technology eliminates the need for a pre-heated catalyst bed, a high wattage power source, toxic pyrophoric ignition ...
Eilers, Shannon D.   +4 more
core   +1 more source

Assessment of the synthesis routes conditions for obtaining ammonium dinitramide by the FT-IR [PDF]

open access: yesJournal of Aerospace Technology and Management, 2011
Over the last two decades, many routes have been proposed to synthesize ammonium dinitramide (ADN). However, most of them lie in routes in which reactants are too expensive for large-scale production.
José Irineu Sampaio de Oliveira   +4 more
doaj  

Final Report on the Detection of Green Monopropellants [PDF]

open access: yes
In 2014, National Aeronautics and Space Administration (NASA) Kennedy Space Center (KSC) funded a project titled "Familiarization and Detection of Green Monopropellants" utilizing Independent Research and Technology Development (IR&TD) and Center ...
Bauer, Brint M.   +5 more
core   +1 more source

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