Characterization of Various Properties of Gel Fuels with Regard to Propulsion Application

Propulsion systems with gelled propellants combine the ability of thrust magnitude variation on demand with simple handling and storage capabilities. The present publication gives an overview about various properties of gelled propellants, which have been investigated in basic experimental setups and/or analytically. It includes rheological properties of selected gelled fuels with regard to shear strain, their flow behavior in tubes, their spray characteristics with regard to impinging jet injectors and combustion characteristics with a single injector in a pressurized chamber.

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