Coupled Fluid–Structure Interaction Analysis of Solid Rocket Motor with Flexible Inhibitors
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منابع مشابه
Coupled Fluid-Structure Interaction Analysis of Solid Rocket Motor with Flexible Inhibitors
Flexible inhibitors are generally used in solid rocket motors (SRMs) as a means to control the burning of propellant. Vortices generated by the flow of propellant around the flexible inhibitors have been identified as a driving source of instabilities that can lead to thrust oscillations in launch vehicles. Potential coupling between the SRM thrust oscillations and structural vibration modes is...
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* Technical Program Manager † Visiting Scholar ‡ Research Scientist § Associate Professor of Civil and Environmental Engineering, University of Illinois at Urbana Copyright 2001 by Center for Simulation of Advanced Rockets. Published by the American Institute of Aeronautics and Astronautics, Inc., with permission. Abstract We describe our numerical method for threedimensional simulations of s...
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An internal ballistics model has been developed for performance prediction of a solid propellant rocket motor. In this model a 1-D unsteady Euler equation with source terms is considered. The flow is assumed as a non-reacting mixture of perfect gases with space and time varying thermo physical properties. The governing equations in the combustion chamber are solved numerically by using the Steg...
متن کاملAcoustic-Mean Flow Interaction in Solid Propellant Rocket Motors
There are several sources for pressure oscillations in solid propellant rocket motors. Oscillatory flow field is one of them. Free shear layers in motor flow field cause vortex shedding. End edges of propellant grains and baffle edge in two-segmented motors are samples of such zones. These vortices move from their forming points and strike the field walls. The kinetic energy of vortices change ...
متن کاملAcoustic-Mean Flow Interaction in Solid Propellant Rocket Motors
There are several sources for pressure oscillations in solid propellant rocket motors. Oscillatory flow field is one of them. Free shear layers in motor flow field cause vortex shedding. End edges of propellant grains and baffle edge in two-segmented motors are samples of such zones. These vortices move from their forming points and strike the field walls. The kinetic energy of vortices change ...
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ژورنال
عنوان ژورنال: Journal of Spacecraft and Rockets
سال: 2018
ISSN: 0022-4650,1533-6794
DOI: 10.2514/1.a33947