Tus nqi Performance index yog dab tsi?
Tus nqi Performance index yog dab tsi?

Video: Tus nqi Performance index yog dab tsi?

Video: Tus nqi Performance index yog dab tsi?
Video: tu siab yug los qig taub by maiv muas lauj nkauj tawm tshiab 2022 2024, Kaum ib hlis
Anonim

Cov nqi index yog ib tug xov tooj siv nyob rau hauv lub Flight Management System (FMS) kom optimize lub cov aircraft ceev Nws muab qhov piv ntawm chav tsev nqi ntawm lub sijhawm thiab lub cev nqi ntawm roj.

Tsis tas li ntawd, koj txhais li cas los ntawm tus nqi ntsuas?

Cov nqi index piav nqi Cov kev hloov pauv ua rau cov neeg ua lag luam los ntawm kev tau txais cov khoom siv rau kev cog lus lossis kev ua haujlwm. Cov nqi ntsuas tej zaum kuj hu ua input ntsuas . Cov nqi index piav qhia txog kev hloov pauv ntawm tus nqi nqi yam cuam tshuam rau lub xyoo puag ncig.

Tsis tas li ntawd, Boeing 737 siv ib teev twg? A: Hauv cov lej sib npaug, 737 yuav hlawv 5,000 phaus (750 nkas loos) ib teev. Cov no yog cov duab kwv yees, thiab kev hloov pauv ntawm phaus thiab gallons yog kev saib xyuas.

Khaws qhov no rau hauv kev xav, dab tsi yog qhov zoo tshaj plaws davhlau?

Cov qhov zoo tshaj cruise altitude yog qhov uas ib tug muab thrust teeb tsa ua nyob rau hauv qhov sib thooj ntau yam ceev. Cov qhov zoo tshaj qhov siab tsis tas li thiab hloov pauv lub sijhawm ntev ya davhlau raws li atmospheric tej yam kev mob thiab qhov hnyav ntawm lub dav hlau hloov.

Cepci yog dab tsi?

Txij li thaum nws tau qhia hauv xyoo 1963, Chemical Engineering Plant Cost Index ( CEPCI ) tau ua ib qho cuab yeej tseem ceeb rau cov kws tshaj lij tshuaj-txheej txheem-kev lag luam (CPI) thaum kho cov txheej txheem cog cov nqi ntawm ib lub sijhawm mus rau lwm qhov. Txhua qhov Performance index thiab subindex yog qhov hnyav ntawm ntau yam khoom.

Pom zoo: