بررسی آزمایشگاهی کاهش نیروی درگ در یک خط لوله‌ی افقی زبر با استفاده از نانو سیال به روش پاسخ سطحی

نوع مقاله : علمی-پژوهشی

نویسندگان

گروه مهندسی شیمی، واحد مرودشت، دانشگاه آزاد اسلامی، مرودشت، ایران

چکیده

هدف این پژوهش بررسی تأثیر  افزودن نانو سیال متشکل از نانو ذره ­های منیزیم اکسید و پلیمر پلی اکریل آمید بر میزان کاهش درگ در جریان آشفته‌ی آب در یک خط لوله‌ی  افقی زبر می‌باشد. بدین منظور سه پارامتر مؤثر  بر فرایند  (غلظت نانوذره، غلظت سورفکتانت و عدد رینولدز) در هر خط لوله با روش پاسخ سطحی بررسی و بهینه‌ شدند. بیش­ترین میزان کاهش درگ با روش بهینه‌سازی عددی، 82 درصد محاسبه شد. کفایت مدل با تحلیل نتیجه­ های ANOVA  بررسی شد و با توجه به مقدارهای بالای ضریب تبیین و ضریب تبیین تعدیل شده‌، مشخص شد داده‌ها به خوبی توسط مدل تجربی مرتبه دوم توصیف می‌شوند.

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