دانلود CFD modeling of primary breakup during metal powder atomization

Powder metals are the basis of powder metallurgy with a large variety of applications, including sintering and thermal spray coatings
قیمت : 255,000 ریال
شناسه محصول : 2009112
نویسنده/ناشر/نام مجله : Chemical engineering science
سال انتشار: 2011
تعداد صفحات انگليسي : 7
نوع فایل های ضمیمه : Pdf+Word
حجم فایل : 2 Mb
کلمه عبور همه فایلها : www.daneshgahi.com
عنوان انگليسي : CFD modeling of primary breakup during metal powder atomization

چکیده

Abstract

Powder metals are the basis of powder metallurgy with a large variety of applications, including sintering and thermal spray coatings. The Gas atomization process has been widely employed as an effective method to produce fine spherical metal powders. New applications and emerging surface technologies demand high quality powders with a very narrow particle size distribution. A computational fluid dynamics (CFD) approach is developed to examine complex fluids during atomization from different nozzle designs, using the volume of fluid (VOF) method and the Reynolds Stress Model (RSM). The modeling results show that the swirling gas atomizer is not beneficial to the atomization process while the inner-jet atomizer can improve the powder generation processing.

 

Keywords: CFD Metal powder Gas atomization Primary break-up
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