Active Control of Dual-Bell Nozzle Operation Mode Transition by Film Cooling and Mixture Ratio Variation

Authors :: Michael Oschwald
Konstantin Kostyrkin
Ralf Stark
Dirk Schneider
Chloé Génin
Source :: Journal of Propulsion and Power. 36:47-58
Publication Year :: 2020
Publisher :: American Institute of Aeronautics and Astronautics (AIAA), 2020.
Abstract: A numerical study is conducted to investigate the impact of a film-cooled dual-bell nozzle extension on its operation mode transition behavior. Therefore, unsteady Reynolds-averaged Navier–Stokes s...

Subjects :: Propellant
Materials science
Mechanical Engineering
Nozzle
nozzle flow
Mathematics::Analysis of PDEs
film cooling
Aerospace Engineering
Mechanics
Regenerative cooling (rocket)
Boundary layer thickness
dual bell nozzle
Physics::Fluid Dynamics
Hysteresis
Fuel Technology
Space and Planetary Science
Bell nozzle
Combustion chamber
Reynolds-averaged Navier–Stokes equations

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