弹性箔片动压气体轴承在高速透平机械中的应用

:100929425(2002)0220006204:2002201225:(59875070):(1979-),,,,,,(,710049):,,:;;:TH133135:AApplicationofaerodynamicfoilbearingsinhighspeedturbomachineryZhuZhao2hui,XiongLian2you,HouYu,WangHeng,ChenChun2zheng(InstituteofEnergyandPowerEngineering,XipanJiaotongUniversity,28XianNingXiRoad,XipanCity710049,ShaanxiProvince)Abstract:Theapplicationofaerodynamicfoilbearingsinhighspeedturbomachineryhasbeenreviewedtoacomprehensiveextent.Thepaperpointsoutthetendencyofsuchbearingsanddescribestheresearchadvancesinsomenovelfoilbearings.Keywords:Gaslubrication;Foilgasbearing;Turbomachinery1,,,,,,,,,,,,[1,2],,,,,,,,,,,:(1),,,,(2),,,6CryogenicTechnology2200220022(3),,,(4),2,1928,ThomsonHoustonA1A1Pollock(TensionType)(1),NASA,Ampex,100000r/min[3],,70,,,,2070,,:[4](CantileverType)[5](Multi-wedged)[6](CoilType)[7](BumpType),(1),1211(AirCycleMachines,ACMs)ACMs,,,,,,MTI(MechanicalTechnologyInc.)747Falcon290020002000ACMs,2,90000r/min,;(meantimebetweenfailure)100000,[8,9]2ACMsASAC(AlliedSignalAerospaceCo.)NASA,727757767DC210,F15F16F18A300BA27EACMs,40000,,90%ACMs[9,10]212CarrierMTI(SolarEnergyPoweredWaterChiller),,,24000r/min,40[11]NASA(SolarDynamicSystem),440W2000W,800100,17%[12]ASACCarrettC25,92000r/min,102050[13]21370,,NASA,320,60000r/min,,7:20022CryogenicTechnology22002,100000r/min1370,1360kg[11]Garrett,A7DJFS-13A,72000r/min,5,135,,(AuxiliaryPowerUnits,APUs),650[14]214,,,,,,90,NASA,ASACMTI,[1517]ASAC(StennisSpaceCenter),,1400090000r/min,1500kPa,130,;,,,[17],1992,KTY2250,240000r/min,10000,;,90L/h125L/h[18],,Fermi,,,[19]215,,,MTI(18000r/min)(100000r/min),,,,,MTI,,4720000DN(r/minmm),[20]3311,,,,,,APUs,700,,,:(1),,,,(2),,,,,312,,,1987,(K.Hayashi)(Plate-Foil),3,,[21]38:CryogenicTechnology22002200221997,,40m3/h150m3/h,250000r/min120000r/min,[22,23],,,,,,1997,4,,,,[24]41997,150m3/h,148000r/min40%,110[25];,40m3/h,5,22000r/min,4,,5,,,,4,,,,,:(25,),200233462(1524),388(90)(0571-853720013635),;;;9:20022CryogenicTechnology22002