欢迎来到天天文库
浏览记录
ID:33011048
大小:2.70 MB
页数:92页
时间:2019-02-19
《气体轴承支承的转子非线性系统动力学特性分析》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、西安理工大学硕士学位论文widthself-actinggas-lubricatedjoumalbearing-rigidJeffcottrotorsystem,andtherigidrotorsystem谢tIlgyroscopicsupportedbythreeaxialgroovesgas—lubricatedjournalbearingareinvestigatedbytheorbitdiagram,Poincar6map,timeseriesdiagram,frequencyspectrumdiagramandbifurcationdiagram.(4)Thenonlineardy
2、namiccharacteristicsofthefixed-tiltingpadsgas-lubricatedjoumalbearingareanalyzedbytheassemblymethod.Thefeasibilityoftheabovemethodsandthecorrectnessofthecalculationcodesarevalidated.Theeffectsofpivotratioandpreloadcoefficientonthenonlineardynamiccbaractcristicsofthefixed-tiltingpadsgas-lubricatedjo
3、urnalbeating-rotorsystemalestudied.‘一、ThisstudyCanprovidethetheoreticalreferences∞thenonlineardynamicanalysisoftherotorsystemsurpportedbyself-actinggas一1ubricatedjournalbeating,andCandirecttheproductdesignofthepracticalfixed—tiltingpadself-actinggas—lubricatedjournalbearing。rotorsystem·Keywords:Sel
4、f-actinggasbearingRotorDifferentialtransformmethodiNonlinearBifurcation_l_●I-____I--_-l--_●●_-l_-_____●-_____●-__-l_____●___一meworkissupportedbyNationalKeyBasicResearch勰dDevelopmentProgramofChina(GrantNo·2007cB707706),NationalNaturalScienceFoundationofChina(GrmutNo.51075327),OpenProjectofStateKe’yL
5、aboratoryofMechanicalTransmission(GrantNo.SKLMT-KFKT-201011),Natural’ScienceFoundationofSh踟xiProvinceofChina(GrantNos.2009JQ7006,2007E203)andNaturalScienceFoundationofEducationDepartmentofShaanxiProvinceofChina(GrantNos.09JK680,07JK340).II濑。--m◇。弼。’1””。”、’11”。1:。j’∥’。“8‘”’“’。。沁薜目录1.绪论⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯
6、⋯⋯⋯.⋯⋯⋯⋯⋯一.o...o.oo...oo.oo⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯·l1.1课题研究的背景和意义⋯⋯.皇:⋯⋯⋯..茹⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯11.2国内外气体轴承的研究现状⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯21.3论文研究的主要内容⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯32.动压气体轴承非线性气膜力的计算⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯.⋯⋯⋯.52.1可压缩气体动压润滑的Reynolds方程⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯52.1.1气体动力润滑的基本Reynolds方程⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯。52.1.2动压气体润滑Re
7、ynolds方程的无量纲形式⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯..72.2动压气体润滑Reynolds方程求解的微分变换法⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯82.2.1微分变换法的定义⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯82.2.2微分变换法的运算法则⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯82.3动压气体轴承的气膜压力分布和非线性气膜力⋯⋯⋯⋯⋯⋯⋯⋯⋯.⋯⋯O.O....OqD092.3一动压气体润滑R
此文档下载收益归作者所有