Multisized Inert Particle Loading for Solid Rocket Axial Combustion Instability Suppression

Figure 9

Predicted head-end pressure wave profile, reference motor (𝐾_𝑏=20000 s⁻¹, Δ𝐻_𝑠=150000 J/kg, Δ𝑝_𝑑=2 atm, 𝛼_𝑝=1.5%, 𝑑_𝑚1=10 μm, 𝑑_𝑚2=5 μm, 𝑑_𝑚3=60 μm, 𝛼_𝑝1=0.5%, 𝛼_𝑝2=0.5%, α _p3 = 0.5% ), three particle sets, acceleration active.