2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Lub siab tsim los ntawm kev tswj kev tawg tshwm sim hauv lub foob pob hluav taws lub cav yog lub zog hu ua thrust. Lub siab ntawd accelerates cov roj ib txoj kev thiab lub foob pob ua ntxaij rau lwm yam. Lub thrust rau lub foob pob hluav taws txuas ntxiv mus ntev li ntev tau nws cov cav raug tua.
Lub foob pob hluav taws puas tseem yuav tawm yog tias tsuas yog ib nrab ntawm cov pa ntau npaum li nws tso tawm?
A foob pob hluav taws tuaj yeem nqa tawmlos ntawm lub tso pa tawm tsuas yog thaum nws tawm roj tawm ntawm nws lub cav. Lub foob pob hluav taws thawb rau ntawm cov roj, thiab cov roj tig thawb rau ntawm lub foob pob hluav taws.
Puas yog foob pob ua ntxaij tawm nrawm?
Acceleration ntawm Liftoff. Cov rog ntawm tus qauv foob pob hluav taws hloov ua yeeb yam hauv ob qho tib si loj thiab kev taw qhia thoob plaws lub davhlau. Daim duab no qhia txog kev nrawm ntawm lub foob pob hluav taws tom qab nqa tawm. Lub acceleration yog tsim nyob rau hauv teb rau Newton thawj txoj cai ntawm kev txav.
niaj hnub foob pob hluav taws ua li cas?
Kua hydrogen (cov roj) los ntawm ib lub tank yog tov nrog kua oxygen (cov oxidizer) los ntawm ib lub tank cais siv cov twj thiab li qub los tswj cov ntws. Cov oxidizer thiab roj sib tov thiab hlawv hauv lub combustion chamber, ua ib qho kub tawg ntawm cov pa roj uas propels foob pob ua ntxaij.
Lub foob pob hluav taws yog dab tsi?
Acceleration of a rocket is a=vemΔmΔt−g a=v e m Δ m Δ t − g. Lub foob pob hluav taws acceleration nyob ntawm peb yam tseem ceeb. Lawv yog. Qhov ntau dua qhov tso tawm tshaj tawm ntawmgases, qhov ntau dua qhov acceleration. Lub foob pob hluav taws sai dua nws cov roj, qhov nrawm dua.
Pom zoo:
Puas yog lub tshuab hluav taws xob xav tau lub tshuab hluav taws xob?
Diesels tsis xav tau lawv - pob tseg li qub / tshuab tawm li qub yog tsim los rau qhov chaw nruab nrab ntawm lub turbo thiab lub throttle. Nyob rau hauv ib tug petrol engine, ntawm siab boost, thaum koj snap lub throttle kaw lub turbo tseem tig.
Puas hluav taws xob hluav taws xob puas tsim hluav taws xob?
Coal feem ntau siv roj los tsim hluav taws xobhauv Tebchaws Meskas. Hauv cov chaw tsim hluav taws xob hluav taws xob hluav taws xob, cov hluav taws xob bituminous, subbituminous thee, lossis lignite raug hlawv. Cov cua kub uas tsim los ntawm kev sib xyaw ntawm cov thee yog siv los hloov cov dej mus rau hauv qhov chaw siab zog, uas tsav lub turbine, uas tsim hluav taws xob.
Puas qhov chaw taws teeb hluav taws ua haujlwm nrog ib qho hluav taws kub?
Kuv tuaj yeem siv cov chaw taws teeb ntawm 4k qhov hluav taws kub tshiab los ua haujlwm nrog cov hluav taws uas tsis yog 4k qub. … Qhov tseem ceeb yog…yog tias koj muaj 2 rab phom, xyuas kom tseeb tias tus koj tsis xav siv yog tawm. Tom qab ntawd, nyob rau hauv pem hauv ntej ntawm lub qhov hluav taws kub uas koj xav siv, tuav tus yuam sij hauv tsev rau 10-20 vib nas this kom txog thaum nws pib ntsais.
Lub tshuab hluav taws xob hluav taws xob tsim hluav taws xob li cas?
Piav seb lub twj hluav taws xob hluav taws xob tsim hluav taws xob hla lub membrane li cas. Los ntawm pum electrons hla lub membrane, sab uas cov electrons raug tshem tawm muaj qhov zoo dua, thaum sab tau txais cov hluav taws xob ntau muaj qhov tsis zoo.
Puas yog lub tshuab hluav taws xob puas muaj lub tshuab hluav taws xob?
Vim li cas lub tshuab hluav taws xob sab hauv combustion yuav tsum tsis muaj lub tshuab hluav taws xob los ua kom cov roj tsis zoo li roj av? Spark plugs yog siv nyob rau hauv cov roj cav mus ignite cov pa roj sib tov whereas nyob rau hauv diesel engines lub xub ntiag ntawm lub txim plugs yog tsis tsim nyog.
