離心式冷水機(jī)組強(qiáng)度校核及模態(tài)分析研究.pdf

1、分類號(hào)UDC密學(xué)校代10497級(jí)碼聲i賣擺多大穿學(xué)位論文題目離心式冷水機(jī)組強(qiáng)度校核及模態(tài)分析研究英文ResearehonStrengthModalAnalysis題目ofCentrifugalChillers研究生姓名張仲熹姓名盛步云職稱教授學(xué)位博士指導(dǎo)教師單位名稱武漢理工大學(xué)機(jī)電工程學(xué)院郵編430070姓名胡少文職稱高級(jí)工程師學(xué)位校外導(dǎo)師單位名稱中國長江動(dòng)力公司(集團(tuán))郵編430074申請學(xué)位級(jí)別碩士學(xué)科專業(yè)名稱機(jī)械工程論文提交日期2

2、011年4月論文答辯日期2011年4月學(xué)位授予單位武漢理工大學(xué)學(xué)位授予日期答辯委員會(huì)主席胡業(yè)發(fā)評(píng)閱人王三武王少春2011年4月AbstraetThebodyoftheunits15themaincomPonentsintheeentrifugalehillers，forit15usedtosuPPort，fixandinstallotherPartstomaintainingeveryPartsintheirrelativelyeons

3、tantPositionwhenthecentrifugalehillersinoPeration.ThestrengthandreliabilityofthebodyhasimPortaneesignifieaneetothenormalworkoftheentireunit.ToealeulatethestrengthofthebodyandtoanalysisthesafetyandtoimProvethestrueture15i

4、mP0rtantforfurtherreseareh.Afailureofthebodyvibrationusuallyoceurswhenthecentrifugalwater一eooledunitsinoPeration.ThevibrationoftheunitsmayleadtoloweringtheoPeratingeyele，shrinkingthelifeofunjts，jncreasingtheambientnoisew

5、hat’5moreitcaneoursethedamagingoftheunitcomPonentsandtriggerseriousaccidents.Therefore，inordertomaketheunitsafeandstableoPeration，it15necessarytoearryoutvibrationmodalanalysis.WiththedeveloPmentofmodemdesign，toanalysisth

6、estrengthofthestruetureandoPtimizationhasbeeomethePrimarymeansofProduetuPdatesthrougheomPuter一aidedtools，makingiteasiertoimProvingthedesigningoftheProduets.InthedeveloPmentofmodemProduets，CADCAECAMintegrationmethod15wide

7、lyused，thefiniteelementmethod15themainmethodinCAE，whiehisageneralnumeriealmethodfboundaryvalueProblemofordinaryequations.APPlieationoffiniteelementanalysishaveanimPtantroleinimProvingProduetqual宜ty，shteningthedesjgneycle

8、sredu幼ngtheeostsofProduetdeveloPment，makingProduetsmoreeomPetitiveinthemarket.Thethesisanalysesthestatiestrengthandmodaloftheunitbasedonthebasietheoryoffiniteelement.(1)Thethree一dimensionalsolidmodelofthebodywasestablish

9、edintheSolidwbrksdesignsoftwarebasedonProduetdesigndrawings，andmodelwassimPlifiedaeeordingtotheaetualneeessaries.IntrodueeitintotheSolidW6rkssimulationsoftwareforfiniteelementanalysis:settingtheeontaetbetweentheuniteomPo