Direct Numerical Simulation of Rayleigh-Taylor ... - ASC at Livermore
Direct Numerical Simulation of Rayleigh-Taylor ... - ASC at Livermore
Direct Numerical Simulation of Rayleigh-Taylor ... - ASC at Livermore
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Growth and mixing are characterized in terms<strong>of</strong> a product function X p .Heavy-fluid mole fraction:X = ρ − ρ 1ρ 2− ρ 1X st=12Product (mixed fluid):X p( X) ={X / Xstif X ≤ Xst(1 − X ) /(1 − Xst) if X > XstProduct thickness:∞∫h = X p ( X )dz−∞Ξ=Mixedness:∞∫ X p−∞∞X p∫−∞( X) dz( X )dzIntegral measure <strong>of</strong> mix height is insensitiveto st<strong>at</strong>istical fluctu<strong>at</strong>ions.WC-IWPCTM10-14