| Issue |
Volume 2, 2011
Progress in Propulsion Physics
|
|
|---|---|---|
| Page(s) | 149 - 162 | |
| Section | Solid Rocket Propulsion | |
| DOI | https://doi.org/10.1051/eucass/201102149 | |
| Published online | 01 October 2012 | |
Ariane 5 solid rocket booster dynamic behavior with respect to pressure oscillations
1
Snecma Propulsion Solide, SAFRAN Group Les cinq chemins, Le Haillan Cedex 33187, France
2
Europropulsion Rue Salomon de Rothschild, Suresnes 92150, France
3
CNES Rond Point de L'Espace, Evry Cedex 91923, France
Numerical simulations are performed to simulate the dynamic behavior of the Ariane 5 Solid Rocket Booster (SRB) excited by internal pressure oscillations. These pressure oscillations have sliding frequencies close to acoustic natural frequencies and changing amplitudes. Because the modal behavior of the booster is also continuously changing during the flight due to propellant burning, predictions with finite-element (FE) modeling (modal analyses, harmonic and transient responses) are necessary to predict and understand the dynamic behavior of the booster.
© Owned by the authors, published by EDP Sciences, 2011