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Kawm ntawv rau cov neeg kho tshuab cov yam ntxwv ntawm kev kub ceev dov tau cov kabmob ntawm Aero-cav

Nrog kev kawm thiab xob tshuab tshiab, thiab cav Aero kev kawm ntawv tseem nce. Cov neeg kho tshuab cov yam ntxwv ntawm cov yam ntxwv ntawm qhov system rotor dynamic dov tau cov kabmob ntawm Aero-cav rotor zog lug siv los ua ib pab, muaj ib qho tseem ceeb uas siv, tshwj xeeb tshaj pronounced hauv siab speeds. Vim li no, thiaj li yuav tau cov kev tu ncua ib cim tshiab uas txoj kev loj hlob siab heev aero-cav, txog Aero-cav high-speed pob kabmob yog tsim nyog. Daim ntawv no tsom rua txhua yam khoom ntawm tus siab ceev dov tau cov kabmob ntawm Aero-cav, nyob tawm lub chaw ua hauj lwm hauv qab no: (1) puab thiab caij finite yog siv rau, dov txhua yam qauv yog tsim los pab, dov bearings tis load tau kawm cov kabmob, analyzed rau lub txawv qauv thiab load tsis cuag lub, distortion, los ntawm hu rau cov kev cai nruj thiab bus lub. Sib piv cov paub los thiab seb puas tau qhia tias cov qhabnias uas sim soj ntsuam ob algorithms muaj, caij finite txoj kev tau zoo nyob rau hauv neeg, thiab quasi-dynamic txoj kev tau zoo saib raws efficiency. (2) raws li elastohydrodynamic lubrication kev tshawb xav kawm rau roj tsawg zaj duab xis thickness cov dov bearings thiab cov yam ntxwv mob heev zaj duab xis, tsom xam cov los ntawm tsis txawv load rau lawv. Naam roj mob heev thiab mob heev yog txiav thiab puas mob heev ntawm cov kabmob no derived, Tswvyim thiab muab xam cov dov bearing nruj tshaj txoj kev yuav tau npaj tseg. Kev tshawb cov ntaub ntawv ntawm ib tug cav tej yam me me uas muaj ceramic dov bearings yog ntsuas txoj kev nruj tshaj thiab damping. Kev tshawb fawb qhia tias sib, lubrication thiab preload txav, tej yam thaum lub zaus piv λ 1 teev, bearing mob heev tshaj li qhov ceev tsub kom. (3) muab cov nyhuv los tau cov kabmob pob radial clearance thiab lwm yam, tus qauv xam xyuas qaug zog txoj hauj lwm ntawm dov bearings yog hloov. Kev tshawb fawb qhia uas muaj feem xyuam rau txoj qaug zog txoj hauj lwm ntawm cov kabmob pob, tsis zoo lub siab lub pob muaj muab xam soj ntsuam. Raws li cov qauv revised, analyzes tus qauv thiab ntxim ntawm load tsis qaug zog txoj hauj lwm ntawm dov bearings, npaj tseg txoj kev thiab qhov kev ntsuas kev bearing qaug zog lub neej rau cov. Tsim dov-zawv zawg qauv kev tshawb fawb ntawm cov pob thiab zawv zawg ceev variation ntawm tus angular tshaj tawm txog kev sib hloov, pib li thiab ua li cas kom tiv thaiv tau cov kabmob nplua.


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