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Fusing of Seven HBCs toward a Green Nanographene Propeller
Journal of the American Chemical Society, 2019This work presents a green chiral nanographene propeller (NP), which is built by fusing seven hexabenzocoronenes in a helical arrangement. It contains 258 conjugated carbon atoms and represents the largest three-dimensional conjugated polycyclic aromatic hydrocarbons ever prepared using scalable solution chemistry.
Yanpeng Zhu +3 more
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Ignition Test of Bi-Propellant Propulsion System Based on Green Propellants for Microsatellite
47th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit, 2011Purpose of microsatellites under 50kg-class development, is now becoming to practical and more complicated mission. At the same time, propulsion system for the microsatellites tends to be eagerly desired for their missions with orbit transfer. Therefore, we considered chemical propulsion is very suitable for the microsatellites and started to develop ...
Nobuyoshi Suzuki, Hironori Sahara
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2018
Friendly or green compositions are being sought in many kinds of applications, such as fertilization, building materials, energy generation, and so on. Thus, this classification (green) can be established after the subjection of the compound to a thorough toxicity study.
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Friendly or green compositions are being sought in many kinds of applications, such as fertilization, building materials, energy generation, and so on. Thus, this classification (green) can be established after the subjection of the compound to a thorough toxicity study.
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GRAIL: Green Solid Propellants for Launchers
EUCASS, 2017Ammonium perchlorate (AP) is used in solid propellants for launchers. AP is in many ways an excellent oxidizer, but unfortunately it has a negative impact on the environment and on personal health. With ever increasing environmental concerns green solid propellants are desired. The aim of the EU funded project GRAIL is to determine if it is possible to
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2022
The propellant storage compartments (propellant tanks) are one of the parts that have undergone noted evolution in the design nature (mainly the shape and the structural properties) as well as the development process. To achieve high system performance for a given propulsion system, inert mass reduction as well as efficient volume utilization can be ...
Ahmed E. S. Nosseir +4 more
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The propellant storage compartments (propellant tanks) are one of the parts that have undergone noted evolution in the design nature (mainly the shape and the structural properties) as well as the development process. To achieve high system performance for a given propulsion system, inert mass reduction as well as efficient volume utilization can be ...
Ahmed E. S. Nosseir +4 more
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High Performance Green Propellant for Satellite Applications
45th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit, 2009This paper provides an overview of LMP-103S, a “High Performance Green Propellant” (HPGP) and outlines the benefits of LMP-103S as compared to hydrazine for monopropellant satellite applications. Corresponding performance and design characteristics of HPGP thrusters in the range of 1 N to 5 N are also reviewed.
K. Anflo +3 more
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Performance of a green propellant thruster with discharge plasma
Acta Astronautica, 2017Abstract A discharge plasma was applied to initiate the combustion of a hydroxylammonium nitrate-based propellant as a substitute for the catalysts that are typically employed. The resulting thrust and thrust-to-power ratio during short interval firing tests as well as the chamber pressure with a single pulse discharge were evaluated.
Takahiro Shindo +4 more
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Green Propellant Infusion Mission Program Overview
49th AIAA/ASME/SAE/ASEE Joint Propulsion Conference, 2013The NASA Space Technology Mission Directorate’s (STMD) Green Propellant Infusion Mission (GPIM) Technology Demonstration Mission (TDM) is comprised of a cross-cutting team of domestic spacecraft propulsion and green technology experts. The GPIM program has technology infusion-team members from all three major market sectors: Industry, NASA, and the ...
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Green Propellants Research at Alta S.p.A
2010A summary of the activities carried out in the last four years by Alta S.p.A. on hydrogen peroxide for propulsive applications is given. In the framework of European Space Agency and Italian Government funded projects, a significant know-how on this matter has been gained by Alta in collaboration with the Universities of Messina and Pisa.
TORRE L +4 more
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Development of Green Bi-Propellant Stage
SSRN Electronic Journal, 2022Gino P. Joy, Sujithkumar R, Geetha S.
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