کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
7053597 1457624 2016 8 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Eulerian atomization modeling of a pressure-atomized spray for sprinkler irrigation
ترجمه فارسی عنوان
مدلسازی اتمسفر یولایر از یک اسپری فشار اتمی برای آبیاری بارانی
کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی جریان سیال و فرایندهای انتقال
چکیده انگلیسی
The objective of this study is the modeling of the atomization and dispersion of an irrigation water jet, from the nozzle outlet to the region of full development of the spray. The use of an Eulerian model, developed for high Reynolds and Weber numbers fluid flow, provides a continuous description of the process. In this model, the conservation equations are written for a two phase mixture. A transport equation for the volume density of the interface represents fragmentation/coalescence mechanisms and gives mean liquid fragments size. The numerical results obtained by this model were compared to experimental measurements of mean velocity, turbulent kinetic energy, liquid volume fraction and Sauter Mean Diameter. The model overestimates the decrease of the longitudinal velocity on the axis, but successfully predicts the volume fraction and mean droplet size profiles.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: International Journal of Heat and Fluid Flow - Volume 57, February 2016, Pages 142-149
نویسندگان
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