Results 91 to 100 of about 611 (206)

Influence of temperature on mechanical stimulation threshold of typical liquid propellant

open access: yesJournal of Measurement Science and Instrumentation, 2021
In order to study the variation of temperature to mechanical stimulation threshold of typical liquid propellants(ADN-based HAN-based and nitromethane), the critical impact energy and critical friction of three propellants under different temperatures ...
JIANG Yuxuan   +7 more
doaj  

Synthesis and performance analysis of ammonium dinitramide [PDF]

open access: yes, 2017
Ammonium dinitramide as non-corrosive, high performance, and Eco-friendly propellant was first synthesized by Russians in early 1970s, and then independently in early 1990s by Stanford Research International. Since then, there has been increased interest
Rahman, Asad
core  

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

MHz-rate laser absorption spectroscopy for temperature and N2O concentration measurements in laser-induced ADN propellant decomposition

open access: yesApplications in Energy and Combustion Science
In this work, we employed laser absorption spectroscopy (LAS), capable of operating at MHz scan rates, together with high-speed photography to investigate the thermal decomposition of ammonium dinitramide (ADN).
Shaojie Wang   +6 more
doaj   +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  

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.
Robinson, Joel W.
core   +1 more source

A Review on Liquid Pulsed Laser Propulsion

open access: yesAerospace
Laser propulsion is a new conceptual technology that drives spacecraft and possesses advantages such as high specific impulse, large payload ratio, and low launch cost.
Sai Li   +8 more
doaj   +1 more source

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

Green Propellant Landing Demonstration at U.S. Range [PDF]

open access: yes
The Green Propellant Loading Demonstration (GPLD) was conducted December 2015 at Wallops Flight Facility (WFF), leveraging work performed over recent years to bring lower toxicity hydrazine replacement green propellants to flight missions.
Bacha, Caitlin E.   +2 more
core   +1 more source

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