Presence and properties of acoustic peaks near the nozzle of impinging rocket jets

Topical Issue - Aeroacoustics: state of art and future trends

Open Access

Figure 14

Fields of density gradient ∂ρ/∂z (black) and vorticity (red) near the plate for L = 15r₀ at (a) t = 0, (b) t = 2.5r₀/u_e, (c) t = 5r₀/u_e, (d) t = 7.5r₀/u_e and (e) t = 10r₀/u_e. The color scales range from 0 to 4ρ₀/r₀ for the density gradient, from white to black, and from 0 to 7.5u_e/r₀ for the vorticity, from white to red.

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