مقاله Numerical Analysis of the 3D Flow between Two Sinusoidal Corrugated Parallel Plates with Perpendicular Directions of Corrugation : Friction Factor pdf دارای 8 صفحه می باشد و دارای تنظیمات در microsoft word می باشد و آماده پرینت یا چاپ است
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سال انتشار: 1387
محل انتشار: یازدهمین کنفرانس دینامیک شاره ها
تعداد صفحات: 8
چکیده:
Laminar flow patterns and friction factor of the steady state flow between two sinusoidal corrugated parallel plates with perpendicular directions of corrugation, due to hydraulic Reynolds number are investigated. Comparison between the results show that in moderate Reynolds numbers, vortices are formed and they put a great effect on the pressure drop, and make any individual geometry, to have a specific formulation for driving the friction factor out of Reynolds number. The linear curve fit of the friction factor diagrams versus Reynolds number in logarithmic scale, shows that friction factor still obeys a power function of hydraulic Reynolds number similar to the geometries with constant cross section area. So there will still be a constant value for multiplication of friction factor and hydraulic Reynolds for any geometry with a slight error. The friction factor grows larger with increase in wave amplitude or decrease in wavelength, and also when the gap between two plates decrease, but the last one has less effect. The least friction factor among these geometries, is for flat parallel plates.
