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HaD Mechanical Characteristics jen Speed, Bearing Aero-QuQ tetlh

ghaH QeD 'ej cham, aero-QuQ 'ej development ghur taH yIqaw. bearing aero-QuQ rotor pat widely lo' law' ngaq tetlh, potlh implications, especially neH pronounced DeSDu' jen speeds ghaj mechanical characteristics dynamic characteristics rotor pat. vaj, in order to chu' bovvam 'Itlh aero-QuQ development nIS ghom, Qul aero-QuQ high-speed QujmeH moQ bearing 'ut. mechanical bang jen speed, bearing aero-QuQ, tlha' Qap qeng tetlh focuses nav: (1) dynamics finite element 'ej method, lo' bearing cher mechanical ghantoH, HaD load distribution tetlh bearings tetlh, pIm tlham load 'ej parameters contact tajvaj, distortion, 'angbogh Da contact stiffness 'ej speed vuS chut poj. vaj ghot'e' consistent experimental ghot'e' cha' algorithms, 'utmo' Dujvam ghajbogh finite element method neH accuracy, 'ej 'utmo' Dujvam in terms of efficiency chaq quasi-dynamic method cha' SuvwI' ghot'e' SIm 'ej experimental comparison. (2) waw' elastohydrodynamic 'angbogh Da pIm load parameters poj lubrication nger HaD minimum oil mIllogh qonwI' qoSta' thickness mIllogh qonwI' qoSta' stiffness characteristics, tetlh bearings 'ej oil. oil mIllogh qonwI' qoSta' QamchoHmo' jIblIj Hoch tlhegh stiffness stiffness 'ej derived composite stiffness bearing je ghoQIjneS concept calculation equivalent stiffness method SIQ tetlh je. 'aD case HaD miniature QuQ je ceramic bearings tetlh 'ej damping equivalent stiffness. 'e' 'ang HaD be installations, lubrication 'ej preload je, HeghDI' Se' ratio λ 1 o'clock, equivalent stiffness speed je SIQ ghur. (3) qel 'angbogh Da QujmeH moQ bearing radial clearance latlh factors 'ej, modified fatigue yIn bearings tetlh SIm formula. fatigue yIn bearing QujmeH moQ, laH moH 'e' Hutlh QujmeH moQ jen Sov wIHutlh, qatlh qel calculation ghot'e' 'agh HaD. according to revise formula, tlham 'angbogh Da load parameters fatigue yIn bearings method fatigue yIn SIQ 'aD 'ej ghoQIjneS tetlh je poj. methods 'aD bearing skid bot 'ej law' Dan cher tetlh-sliding ghantoH Qul QujmeH moQ 'ej speed tuq qun angular Do rotation, sliding.


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