پایان نامه بررسی انتقال جرم و حرارت به روش انتگرالی در جریان جابجایی طبیعی سیال با پرانتل خیلی کوچک در مجاورت سطح موجی شکل مایل و نفوذ پذیر و تحت میدان مغناطیسی

فهرست پایان نامه بررسی انتقال جرم و حرارت به روش انتگرالی در جریان جابجایی طبیعی سیال با پرانتل خیلی کوچک در مجاورت سطح موجی شکل مایل و نفوذ پذیر و تحت میدان مغناطیسی

فهرست:

صفحه

فصل اول: مقدمه

     1-1 پیشگفتار .......................................................................................................................................................2

     1-2 مروری بر کارهای گذشته...........................................................................................................................3

     1-3 شرح مساله....................................................................................................................................................6

     1-4 روش تحقیق..................................................................................................................................................7

فصل دوم: هیدرودینامیک مغناطیسی

     2-1 تاریخچه­ای از هیدرودینامیک مغناطیسی..............................................................................................9

     2-2 معادلات الکترودینامیک درمبحث هیدرودینامیک مغناطیسی.......................................................10

          2-2-1 میدان الکتریکی و نیروی لورنتز................................................................................................10

          2-2-2  قانون اهم و نیروی لورنتز حجمی............................................................................................11

          2-2-3  قانون آمپر.....................................................................................................................................12

          2-2-4  قانون فارادی................................................................................................................................12

          2-2-5 جمع­بندی......................................................................................................................................13

فصل سوم: مروری بر چند روش تحلیلی در حل معادلات نویر استوکس

     3-1 روش تحلیل مقیاسی................................................................................................................................15

     3-2 روش انتگرالی.............................................................................................................................................20

     3-3-1 روش تشابهی.........................................................................................................................................23

     3-3-2 اثر وجود جریان از طریق دیواره : (دمش و مکش ) ....................................................................25

فصل چهارم: همرفت طبیعی روی صفحه مایل و حل انتگرالی معادلات حاکم

     4-1 شرح مساله.................................................................................................................................................28

     4-2 معادلات حاکم...........................................................................................................................................29

     4-3 حل انتگرالی معادلات حاکم..................................................................................................................32

          4-3-1 انتگرال­گیری از معادلات حاکم..................................................................................................32

          4-3-2 حل معادلات انتگرالی ممنتوم و انرژی....................................................................................33   

     4-4 عدد ناسلت .......................................................................................................................................37  

     4-5 تنش برشی ...........................................................................................................................................38

فصل پنجم: اراﺋﻪ­ی نتایج

     5-1 صحت سنجی برنامه کامپیوتری............................................................................................................40    

     5-2 تاثیر تغییرات زاویه سطح (  ) ...........................................................................................................42    

     5-3 تاثیر تغییرات پارامتر مغناطیسی ...............................................................................................47    

     5-4 تاثیر تغییرات دامنه نوسان سطح ...............................................................................................52    

     5-5 تاثیر تغییرات فرکانس نوسان سطح .............................................................................................57    

     5-6 تاثیر تغییرات عدد پرانتل .............................................................................................................62   

     5-7 تاثیر تغییرات سرعت مکش و دمش به سطح  ........................................................................67    

فصل ششم: نتیجه­گیری و پیشنهادها

     6-1 نتیجه­گیری.................................................................................................................................................77

     6-2 پیشنهادها...................................................................................................................................................78

فهرست منابع

.......................................................................................................................................................................................80
 

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