Vim li cas tis thiaj rov qab los?

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Vim li cas tis thiaj rov qab los?
Vim li cas tis thiaj rov qab los?
Anonim

Npaj tis swept tis sweeping tis muaj cov nyhuv ntawm kev txo cov curvature ntawm lub cev raws li pom los ntawm cov airflow, los ntawm lub cosine ntawm lub kaum sab xis ntawm cheb. Piv txwv li, ib lub tis nrog 45 degree cheb yuav pom qhov txo qis ntawm qhov curvature mus rau txog 70% ntawm nws tus nqi ncaj nraim. https://en.wikipedia.org › wiki › Swept_wing

Swept wing - Wikipedia

yog qhov kev npaj ntau tshaj plaws rau kev kub ceev (transonic thiab supersonic) dav hlau dav hlau. … Nyob rau hauv lub davhlau ya nyob twg, ib tug swept tis tso cai rau tus Critical Mach Number ntau dua ib tug ncaj tis ntawm zoo xws li Chord thiab Camber. Qhov no ua rau lub ntsiab kom zoo dua ntawm tis sweep uas yog ncua qhov pib ntawm nthwv dej luag.

Vim li cas F 14 tis swept rov qab?

Kev cheb lub tis rov qab tuaj yeem confuse tus yeeb ncuab los ntawm kev muab qhov qhia tsis tseeb ntawm F-14 airspeed. Tab sis nws kuj tau muab kev nqa tsawg dua thiab kev ua haujlwm tsawg dua, yog li nws yog "tactic" lossis kev ua kom yuam kev uas yuav siv tau zoo heev."

Vim li cas ho tsis xa tis swept?

Txhua yam ntxhiab tis zoo li tsis ruaj khov hauv lub rooj muag khoom, txij li cov lus qhia ntawm lub tis thawj zaug ua rau lub suab nrov zuj zus tuaj thiab ua rau rov qab nyuaj. Cov nyhuv no tsis tshua muaj txiaj ntsig nrog rau pem hauv ntej cheb vim tias qhov kawg rov qab nqa ntau dua thiab muab kev ruaj ntseg.

Puas swept tis ruaj khov dua?

Wing cheb yuav pab txhawb nqa kev ruaj ntseg sab nraud raws li daim duab 146 qhia. Thaum aLub dav hlau swept-tis yog sidelipping, lub tis mus rau lub sidelip yuav muaj kev nrawm dua li ib txwm rau lub tis ua ntug tshaj lub tis deb ntawm lub sidelip.

Qhov zoo ntawm swept tis yog dab tsi?

Nyob rau hauv lub davhlau ya nyob twg, lub tis swept tso cai rau tus lej Critical Mach ntau dua li lub tis ncaj ntawm Chord thiab Camber. Qhov no ua rau lub ntsiab kom zoo dua ntawm tis sweep uas yog ncua qhov pib ntawm nthwv dej luag. Ib tug swept tis yog optimised rau kev kub ceev davhlau.

Pom zoo: