نتایج جستجو برای: sudden expansion flow
تعداد نتایج: 656821 فیلتر نتایج به سال:
The flow of viscoelastic liquids with constant shear viscosity through symmetric sudden expansions is studied by numerical means. The geometry considered is planar and the constitutive model follows the modified FENE-CR equation, valid for relative dilute solutions of polymeric fluids. For Newtonian liquids in a 1:3 expansion we predict the result that the flow becomes asymmetric for a Reynolds...
Abstract The Downstream Surge Chamber of a pumped storage power station adopts impedance with an upper chamber layout. tailrace tunnel is connected the connecting pipe through right-angle bifurcated and bend. layout type special water flow conditions are complex. To study its hydraulic characteristics, three-dimensional field mathematical model at bottom surge established, variation law charact...
BACKGROUND In myotonic dystrophy type 1, the association between mutation size (CTG expansion) and the severity of cardiac involvement is controversial. METHODS AND RESULTS We selected 855 patients with myotonic dystrophy type 1 (women, 51%; median age, 37 years), with genetic testing performed at the moment of their initial cardiac evaluation, out of 1014 patients included in the Myotonic Dy...
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