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Journal of Applied Fluid Mechanics، جلد ۱۵، شماره ۲، صفحات ۵۹۱-۶۰۱
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عنوان انگلیسی Effects of Inlet Types and Lengths on the Flow Field of Cyclone Separators
چکیده انگلیسی مقاله The effect of inlet type and length on the flow field was considered computationally for seven cyclone separators. The turbulent model was described by the Reynolds Stress Model (RSM). The air-water interface in underflow pipe and the spatial distribution of particles were tracked by the Volume of Fluid (VOF) model and Discrete Phase Model (DPM), respectively. Comparison investigations showed that inlet type and length had important impacts on flow field of cyclone. The instability flow field and back mixing phenomena were eliminated in symmetric double-inlet cyclone. The turbulent dissipation is obvious with a short inlet length. When it increased to 1.25D/2, the area and intensity of the turbulent dissipation tended to be stable. The optimum cyclone is the symmetric double-inlet with inlet length of 1.25D/2. When the particle diameter was larger than 5 μm, the complete separation could be realized.
کلیدواژه‌های انگلیسی مقاله Cyclone, Inlet type, Inlet length, Flow field
نویسندگان مقاله S. Y. Wu |
School of Mechanical Engineering, Xiangtan University, Xiangtan 411105, China

Y. W. Xiao |
School of Mechanical Engineering, Xiangtan University, Xiangtan 411105, China

C. D. Nie |
School of Energy Science and Engineering, Central South University, Changsha, Hunan 410083, China

Z. M. Wu |
School of Chemical Engineering, Xiangtan University, Xiangtan 411105, China

نشانی اینترنتی https://www.jafmonline.net/article_2014_e84939af4af1a64c216968f7215564c0.pdf
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