Dynamic tshuav ntawm cov rotor saj zawg zog
Thaum lub rotor khiav hauj lwm ntawm kev ceev ceev pib thiab brakes, lub ceev yuav tsum dhau los ntawm kev ceev ceev. Nyob rau lub sij hawm no, lub unbalance yuav ua rau pom deformation ntawm rotor. Yog hais tias qhov sib txawv ntawm lub centroid ntawm lub rotor los ntawm lub axis ntawm kev sib hloov muaj ib qho tseem ceeb cawv rau deformation, lub rotor tsis kho raws li ib tug rigorid rotor, thiab qhov sib txeeb dynamic tshuav yog hu ua dynamic tshuav ntawm cov yawm rotor. Nws muaj ob txoj kev sib npaug li hom rotor:
1 hom hom. Tus nqi tsis txaus yog decomposed raws li lub ntuj hom ntawm lub rotor. Yog hais tias qhov sib hla ceev thaum lub sij hawm ntawm qhov seem seem tig mus ua ib qho tseem ceeb, lub ntuj tsim ntawm no thiaj li protrudes saum cov lwm cov kauj ruam. Los ntawm kev kuaj xyuas hom hom, qhov ntau ntawm qhov kev txhim kho loj yuav tsum tau muab tshem tawm qhov sib npaug ntawm no thiab qhov chaw yuav tsum tau nrhiav tau. Cov kauj ruam yog kauj ruam, koj tuaj yeem ua kom tiav cov nyiaj seem.
2 feem cuam tshuam cov txheej txheem coefficient. Qee qhov kev kho lub ntsej muag thiab ntau yam kev ntsuas raug xaiv ntawm rotor thiab ntau cov kev kho me ntsis. Kev vibration ntawm ib qho kev nplua los ntawm lub tsev kho kom raug ntawm ib qhov kev ntsuas ntawm ib qho kev ceev ceev yog qhov feem cuam tshuam. Los ntawm kev ntsuas los yog xam cov kev coefficients no, nws tau txiav txim siab tias qhov vibration ntawm txhua qhov kev ntsuas tawm tsuas yog siv rau ib qho nqi lossis tsawg dua raws li kev vibration los ntawm qhov tsis txaus, thiab qhov chaw thiab qhov loj ntawm qhov hnyav (los yog qhov hnyav) yuav tsum muab ntxiv rau txhua qhov kev kho me ntsis. Raws li ob txoj kev, lwm txoj kev tau tsim, xws li lub vibrating vajvoog txoj kev.
Feem ntau, ntsuas qhov sib npaug ntawm kev ceev nrawm muaj xws li ib nrab rotor nrog tsawg sib txawv ntawm kev sib txawv. Vim tias lub rigorid rotor yuav ua haujlwm ntawm kev khiav ceev thaum khiav ceev, qhov sib txawv ntawm kev sib txawv ceev tsis tseem ceeb. Yog hais tias qhov nyiaj seem yog ib lub rotor saj zawg zog, qhov kev ntsuas seem yuav hloov nrog qhov nce ntawm kev ceev. Nyob rau hauv cov ntaub ntawv no, koj yuav tsum tau sib npaug ntawm lub tshuab ua haujlwm siab ceev ceev.
