新型空氣靜壓推力軸承的數(shù)值模擬與實驗研究.pdf

1、西安工業(yè)大學碩士學位論文新型空氣靜壓推力軸承的數(shù)值模擬與實驗研究姓名：張文豪申請學位級別：碩士專業(yè)：機械設計與理論指導教師：張君安劉波20080512ResearchonNumericalAnalysisandExperimentofthenewairstaticpressureThrustBearingDiscipline：MechanicalDesignandTheoryStudentSignature：SupervisorSign

2、ature：AbstractWiththedevelopmentofscienceandtechnology，gaslubricatedbearingscomeintowideuseinthefieldsofprecisionmachineryandinstrumentfortheirinfinitesimalfriction，highrotaryprecision，pollutionfree，andSOonTheinventofgas

3、lubricatedbearingisobjectiveembodimentofthedevelopmentofmicromachineryandultraprecisionprocessItISalSo鋤importantmeasurementtoprotectenvironmentandsaveenergySogaslubricatedbearingwillachievewideapplicationrangeandprospect

4、However，thestudyoncharactenstlcsofgaslubricatedbearingevolvesslowlyTheappearanceandtherapidimprovementofcomputertechn0109Vprovide鋤effectivemeantoinvestigatethecapabilityofgaslubricatedbearingIlumericalanalysisornumerical

5、experimentInthispaper，thenumericalanalYslsmentiOnedabOveandexperimentmethodsonthenewairstaticpressureThrustBearingareparticularlypresentedThenewstructurebearingwhichhaselastic。sectionpressure。equalizinggrooVeandrigidsect

6、ionpressureequalizinggrooveiscalledthenewairstaticpressurethrustbearingIntheresearchontheairostaticbearing，weknowthatthestiffnessofthebearingwhichhassectionpressure—equalizinggrooveishigherbasisontheresearchwemakethenews

7、tmcturebearingBytheresearch，itshowsthatthenewstructurecanbetterimprovethebearingstiffnessFirstlv，thepaperintroducethewholesituation，recallingtheresearchstatusofthealrbeadng，anddescrippingourresearchbackgroundandworkSecon

8、dly’theReynoldsequation__thebasicequationofgaslubricatedbearingfunctionisdeducedandsimplified，andthesametimetheequationoftheElasticsectionpressure—equalizinggrooveisdeducedbyShellTheoryTheyaresetasthemathematicmodelforth