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Wall pressure and wall shear stress distributions for a clean plug (C0 = 0) (top row), a mildly contaminated plug (C0 = 5 × 10−5) (middle row) and a highly contaminated plug (C0 = 10−4) (bottom row). (Lpi = 1.0, h2 = 0.05, Δp = 1, λ = 100, β = 0.7, χ = 0.01, Sc = 10, Scs = 100, Ka = 104, Kd = 100).
