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Articles tagged: hydrazine

  • Dawn Aerospace, hydrazine, nitrous oxide and propene, space propulsion April 2020 Replacing hydrazine fuel with a greener alternative

    ...want, without pre-heating. If we were to offer a replacement technology, we needed to make sure we would not just replace hydrazine, but also bring to market a vastly better solution Power must be dedicated to the payload, so power consumption of the...

    • Dawn Aerospace
    • hydrazine
    • nitrous oxide and propene
    • space propulsion
    Authors: Joshua Rea     Stefan Powell    
  • Cassini Mission, Cassini Ultraviolet Imaging Spectrograph (UVIS), hydrazine, Rhea, Saturn 05 February 2021 Hydrazine might be present on Rhea, new study says

    ...the surface of Rhea through cracks in the ice shell if an ocean existed below its frozen exterior. Instead, hydrazine monohydrate is favoured as the mysterious compound due to the radiation-dominated chemistry expected to occur on the surface of Rhea...

    • Cassini Mission
    • Cassini Ultraviolet Imaging Spectrograph (UVIS)
    • hydrazine
    • Rhea
    • Saturn
  • crewed spaceflight, human-tech, JPL, space technology June 2017 Automated or human-operated systems?

    ... all of the available material in a totally different way from its intended use - the production of water from hydrazine (rocket fuel) or the redefinition of a communication protocol with an old probe left on Mars from a previous Pathfinder mission...

    • crewed spaceflight
    • human-tech
    • JPL
    • space technology
    Authors: Alfio Mantineo    
  • Baikonur, Dmitry Rogozin, Roskosmos, soyuz, vostochny April 2020 Reviving Russia’s space programme

    ... law to permit a breach in its regulations to ship the hydrazine and did so again in 2018 for the second ExoMars probe ...due to fly 2020. The Russians later opened a new hydrazine factory of their own in Nizhny Novgorod. Structural issues In the...

    • Baikonur
    • Dmitry Rogozin
    • Roskosmos
    • soyuz
    • vostochny
    Authors: Brian Harvey    
  • commercial space exploration, green propellant, N2O, Nitrous oxide propellant July 2021 Nitrous oxide – a green propellant for commercial space exploration

    ...’, has been known for many years, but efforts were abandoned due to unsatisfactory results. Applications for hydrazine and nitrogen tetroxide propellants featuring higher exploitation specifications excluded nitrous oxide from the running as a rocket...

    • commercial space exploration
    • green propellant
    • N2O
    • Nitrous oxide propellant
    Authors: Constantine Milyayev     Jamie Anderson     Praveen Ganapathi Perumal     Vadim Zakirov    
  • green technology, S.I. Vavilov Institute for the History of Science and Technology of the Russian Academy of Sciences (IHST RAS), Sergey Krichevsky, Svobodny cosmodrom, Vostochny Cosmodrome December 2014 From the green economy to green space

    ...cent is fuel (often it’s a highly toxic unsymmetrical dimethyl hydrazine – heptyl – left over from the Cold War), and ...trying, without success so far, to rid itself of toxic hydrazine-heptyl fuel and single-use rockets. ‘Black’, spendthrift technology...

    • green technology
    • S.I. Vavilov Institute for the History of Science and Technology of the Russian Academy of Sciences (IHST RAS)
    • Sergey Krichevsky
    • Svobodny cosmodrom
    • Vostochny Cosmodrome
    Authors: Sergey Krichevsky    
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