Video: Lub dav hlau hauv science yog dab tsi?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Kev tshawb fawb txhais rau dav hlau
Ib qhov chaw ob sab, ib qho ntawm ob qho ntawm nws cov ntsiab lus tuaj yeem koom nrog los ntawm txoj kab ncaj nraim uas nyob rau hauv qhov chaw.
Dhau li ntawm no, lub ntsiab lus ntawm dav hlau hauv physics yog dab tsi?
A " dav hlau " tsuas yog ib qho chaw tiaj tus (2-dimensional) nto. Nws tuaj yeem yog qhov tseeb lossis qhov chaw xav. Nws yog qhov chaw uas tsis muaj thickness lossis curvature nyob rau hauv peb qhov ntev. Nyob rau hauv txoj kev xav nws tsis muaj npoo thiab yog li infinite. physics , "coplanar rog" ua nyob rau hauv ib qho tshwj xeeb dav hlau thiab qhov thib peb seem tsis cuam tshuam.
Ib yam li ntawd, cov dav hlau nyob hauv huab cua li cas? Muaj plaub lub zog uas ua rau lub dav hlau thaum nws nyob hauv huab cua : thrust, rub, nqa thiab lub ntiajteb txawj nqus. Lub thrust yog generated los ntawm lub dav hlau engine, thiab qhov no yuav pab tau dav hlau mus propel forwards, whereas lub lift force ua rau lub dav hlau tis thiab tso cai rau nws txav mus rau sab saud, thiab tseem tuav nws qhov siab.
Tom qab ntawd, yuav ua li cas cov dav hlau ya rau menyuam yaus?
Cov dav hlau tau tsim tshwj xeeb kom qhov hnyav kis tau los ntawm sab xub ntiag mus rau sab nraub qaum kom thiaj li khaws tau dav hlau sib npaug. Raws li cov dav hlau sai sai txav mus rau hauv lub runway nws tsim lifting rau lub dav hlau kom muaj peev xwm tshem tawm. Yog hais tias nws tseem thrust nyob rau hauv cov huab cua thiab mus rau pem hauv ntej ntawm ib tug ceev pace nws yuav kov yeej lub luag.
Lub ntsiab lus ntawm dav hlau yog dab tsi?
Synonyms : aeroplane, woodworking dav hlau , lub dav hlau , tus kws ntoo dav hlau , planer, planing tshuab, ntawv. Antonyms: tsis sib xws. dav hlau , planer, planing machine(noun)
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