فهرست:
فهرست مطالب
فصل اول : مروری برادبیات موضوع..............................................................................1
1- 1- مقدمه..........................................................................................................................................................................2
2- 1- مروری بر کارهای انجام شده...............................................................................................................................3
فصل دوم : پدیده هانتینگ.............................................................................................9
1- 2- مقدمه................................................................................................................................................10
2- 2- پدیده هانتینگ........................................................................................................................................................10
3- 2- سرعت بحرانی، سیکلهای حدی ودوشاخگی در وسایل نقلیه ریلی................................................................13
4- 2- جلوگیری از هانتینگ.............................................................................................................................................16
5- 2- تئوری کلینگل........... ......................... ......................... ........................................................................................16
6- 2- حرکت هانتینگ ازبیان کلینگل..............................................................................................................................19
7- 2- مخروطیت معادل..................................................................................................................................................19
فصل سوم : معادلات دینامیکی حاکم بر سیستم................................................................ 20
1-3- مقدمه........................................................................................................................................................................21
2-3- مسئله تماس چرخ وریل..........................................................................................................................................21
3-3- تئوری خطی کالکر...................................................................................................................................................26
4-3- مدلسازی تماس فلنج چرخ با ریل..........................................................................................................................30
5-3- سینماتیک..................................................................................................................................................................31
6-3- درجات آزادی و قیود..............................................................................................................................................34
7-3- معادلات عمومی حرکت چرخ و ریل......................................................................................................................35
8 – 3 - معادله در راستای طولی...................................................................................................................................37
9 – 3 - معادله در راستای عرضی.................................................................................................................................37
10 – 3 - معادله در راستای قائم.....................................................................................................................................38
11 – 3 - معادله در راستای رول....................................................................................................................................38
12 – 3 - معادله در راستای پیچ......................................................................................................................................38
13 – 3 - معادله در راستای یاو......................................................................................................................................38
14 – 3 - نیروها و ممان های خزشی............................................................................................................................40
15- 3 - سختی گرانشی در راستای عرضی و یاو......................................................................................................49
16-3- معادله بسط یافته در راستای عرضی................................................................................................................49
17- 3 - معادله بسط یافته در راستای یاو.................................................................................................................. 49
18-3- معادلاتساده سازی شده چرخ و محور.............................................................................................................52
19-3- معادلات چرخ و ریل با در نظر گرفتن تماس چرخ با فلنج ریل.......................................................................53
20-3- پایداری چرخ و محور واگن................................................................................................................................54
فصل چهارم : تحلیل دینامیکی سیستم............................................................................56
1- 4- مقدمه.......................................................................................................................................................................57
2- 4- مدل دینامیکی.........................................................................................................................................................58
3- 4- روش حل مساله.....................................................................................................................................................61
4-4- نتایج تحلیل عددی....................................................................................................................................................66
5- 4- مطالعه پارامتریکی.................................................................................................................................................69
6- 4- دمپرهای یاو...........................................................................................................................................................70
7- 4- سختی عرضی ریل...............................................................................................................................................71
8- 4- لقی بین فلنج چرخ و ریل......................................................................................................................................72
9- 4- پارامترهای دیگر...................................................................................................................................................73
10- 4- تاثیروجود بوژی وواگن برسرعتهای بحرانی خطی وغیرخطی...................................................................76
1- 10- 4- اثرافزودن بوژی برتحلیل هانتینگ...............................................................................................................77
2- 10- 4- اثرافزودن بدنه واگن به سیستم چرخ ومحوروبوژی برتحلیل هانتینگ..................................................79
11- 4- تاثیرتغییرتمامی متغیرها باوجود mw های مختلف........................................................................................81
12- 4- تاثیرتغییرتمامی متغیرها برروی Ky های مختلف.........................................................................................90
فصل پنجم : نتیجه گیری وارائه پیشنهادها......................................................................98
1- 5- مقدمه.....................................................................................................................................................................99
2- 5- نتایج تحلیلها.........................................................................................................................................................99
3- 5- ارائه پیشنهادها..................................................................................................................................................101
4- 5- کارهای آینده.....................................................................................................................................................102
مرجع هاوماخذها.......
منبع:
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