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International Journal of Energetic Materials and Chemical Propulsion
ESCI SJR: 0.142 SNIP: 0.16 CiteScore™: 0.29

ISSN Print: 2150-766X
ISSN Online: 2150-7678

International Journal of Energetic Materials and Chemical Propulsion

DOI: 10.1615/IntJEnergeticMaterialsChemProp.v5.i1-6.200
pages 172-194

THE STATUS OF GEL PROPELLANTS IN YEAR 2000

Benveniste Natan
Faculty of Aerospace Engineering, Technion − Israel Institute of Technology, Haifa 32000, Israel
Shai Rahimi
RAFAEL/MANOR Propulsion and Explosive Systems Division, Haifa, Israel

ABSTRACT

The present study is a review of the main aspects of gel propellant research and development. The work deals with the following subjects: Historical background of gel propellants; Advantages of gel propellants in comparison to liquid and solid propellants: safety, performance, storage; Theoretical performance evaluation of different gel propellant formulations for various missions; Rheological characterization: definition of the gel type, rheometry, identification of the parameters that affect the rheological properties; Preparation of gel propellants, gellants, compatibility of the ingredients; Flow behavior: power law, shear dunning fluids in pipes and injectors, thixotropic effect; Atomization: investigation of non-Newtonian fluid atomization characteristics, feeding systems; Combustion behavior: non-metallized fuel droplet ignition and burning, metallized fuel combustion and secondary atomization, combustion of gel fuels in small motors.


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