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انتقال گرما در نانوکامپوزیتهای پلیاتیلن: رویکردی چند مقیاسی | ||
پژوهش سیستم های بس ذره ای | ||
مقاله 3، دوره 12، شماره 2 - شماره پیاپی 33، مرداد 1401، صفحه 21-30 اصل مقاله (351.74 K) | ||
نوع مقاله: مقاله پژوهشی کامل | ||
شناسه دیجیتال (DOI): 10.22055/jrmbs.2022.17708 | ||
نویسندگان | ||
لیلا رزاقی1؛ فرهاد خوئینی* 1؛ مریم خلخالی1؛ علی رجب پور2 | ||
1گروه فیزیک، دانشگاه زنجان، زنجان، ایران | ||
2گروه مهندسی مکانیک، دانشگاه بینالمللی امام خمینی (ره)، قزوین، ایران | ||
چکیده | ||
در این مقاله، ما با استفاده از رهیافت شبیه سازی دینامیک مولکولی غیرتعادلی و روش تقریب میانگین، تأثیر نانو پرکننده ی گرافین به عنوان تقویت کننده را بر رسانندگی گرمایی موثر نانوکامپوزیت برپایة پلی اتیلن بررسی می کنیم. طبق نتایج ما، رسانندگی گرمایی پلی اتیلن در دمای اتاق با استفاده از پتانسیل بین اتمی ایربو، تقریبا W/m.K 21/0 به دست آمد. این پژوهش نشان می دهد با افزایش کسر حجمی نانو پرکنندة گرافین، رسانندگی گرمایی موثر نانوکامپوزیت افزایش می یابد. همچنین مشاهده کردیم که با افزایش کسر حجمی گرافین از 1% به 3% رسانندگی گرمایی موثر نانوکامپوزیت نزدیک به 55% افزایش می یابد. | ||
کلیدواژهها | ||
نانوکامپوزیت پلیاتیلن؛ رسانندگی گرمایی؛ مدلسازی چند مقیاسی؛ گرافین؛ دینامیک مولکولی | ||
مراجع | ||
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