Research Article
Turbulent Flow Characteristics in a Model of a Solid Rocket Motor Chamber with Sidewall Mass Injection and End-Wall Disturbance
Table 1
Coefficient for the adopted turbulence models.
| | STD k-ɛ model | ETD k-ɛ model | ˗f model | SST k-ω |
| β1 | 1 | 1 | 1 | 0 | β2 | 0 | 0 | 0 | 0.09 | β3 | 0 | 0 | 0 | 0.0828 | σk | 1 | 0.75 | 1 | 1 | σɛ | 1.3 | 1.15 | 1.3 | 0 | σω | 0 | 0 | 0 | 1.168 | Pk | 2SijSij | 2SijSij | 2SijSij | 2SijSij | Sij | 0.5 (ui,xj + uj,xi) | 0.5 (ui,xj + uj,xi) | 0.5 (ui,xj + uj,xi) | 0.5 (ui,xj + uj,xi) | | Pk | Pk | Pk | min (Pk,10, 10ɛ) | C1ɛ | 1.4 | 1.15 | 1.4(1 + 0.05(k/)0.5) | 0 | C2ɛ | 1.92 | 1.9 | 1.9 | 0 | C3ɛ | 0 | 0.25 | 0 | 0 | T | k/ɛ | k/ɛ | max (k/ɛ, 6 (μ/ρɛ)0.5) | 1/ω | μt | ρCμk2/ɛ | ρCμk2/ɛ | ρCμT | 0.31ρk/max(0.31ω, F(2SijSij)0.5) | Cμ | 0.09 | 0.09 | 0.22 | 0 | L | 0 | 0 | 0.23 max (k1.5/ɛ, 70 (ɛ0.25)) | 0 | F2 | 0 | 0 | 0 | tanh (D1)2 | D1 | 0 | 0 | 0 | ((2k0.5/0.09ωy), 500/ωy2) | γ1 | 0 | 0 | 0 | 0.4403 | FSST | 0 | 0 | 0 | 2.336 (1 − F1) (1/ω) (k,xjω,xj) | F1 | 0 | 0 | 0 | tanh (D2)4 | D2 | 0 | 0 | 0 | min(max(D1, 4.672ρk/D3y2)) | D3 | 0 | 0 | 0 | max (2.336ρ(1/ω) (k,xjω,xj), 1·e−10) |
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