دانلود Experimental study and 3DدرCFD investigation on optimization of aerodynamic parameters and en
دانلود Experimental study and 3DدرCFD investigation on optimization of aerodynamic parameters and energy separation of convergent vortex tube separator تحت pdf دارای 25 صفحه می باشد و دارای تنظیمات در microsoft word می باشد و آماده پرینت یا چاپ است
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توجه : در صورت مشاهده بهم ریختگی احتمالی در متون زیر ،دلیل ان کپی کردن این مطالب از داخل فایل ورد می باشد و در فایل اصلی دانلود Experimental study and 3DدرCFD investigation on optimization of aerodynamic parameters and energy separation of convergent vortex tube separator تحت pdf ،به هیچ وجه بهم ریختگی وجود ندارد
بخشی از متن دانلود Experimental study and 3DدرCFD investigation on optimization of aerodynamic parameters and energy separation of convergent vortex tube separator تحت pdf :
نام کنفرانس یا همایش : اولین کنفرانس بین‌المللی مهندسی مکانیک و هوافضا
تعداد صفحات : 25
چکیده مقاله:
The VT cyclones separators are widely used in the separation processes such as purification of the hydrocarbon mixtures and specially to remove the particles from the air entering to the helicopter engines. The aim of this investigation is study on the separation phenomenon inside the special cyclone separator affected by structural factors including; throttle angle (30-90 deg), throttle diameter (4-6.5mm) and convergence main tube angle (2-12deg), as well as the optimization of these structural and physical parameters in terms of separation efficiency using experimental and 3D-CFD methods (using RSM turbulence model). The results show that, the separation process improves extremely with an increase in the throttle diameter up to Dth=5.5mm, then beyond Dth=5.5mm, the separation capabilities are decreased. Also, the cyclone air separator equipped with throttle angle of =60 deg provides 43.76 % and 50.60 % higher separation efficiencies as compared to basic model. The results show that there are the optimum values for the convergence angle and the length of convergent main tube as =10deg and L=195mm. As a result, the stagnation point is closer to the valve in Dth=5.5 mm as compared to other cyclones. So, the cyclone air separator with Dth=5.5 mm has the smallest distance between the stagnation point and the conical valve as well as the highest separation ability. Finally, this result can be picked up that the higher the maximum tangential velocity and pressure drops, the higher the separation quality. The comparison between the computed and the laboratory outputs presents a favorable agreement with the maximum and minimum relative differences of 6.25% and 0.91%, respectively
