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Kugwiritsa Ntchito Thermodynamics ku Machitidwe a HVAC a Mafakitale Chiyambi M'malo opangira mafakitale, machitidwe a HVAC (Kutenthetsa, Kupuma, ndi Mpweya) amachita gawo lofunikira pakusunga chitonthozo cha kutentha, mpweya wabwino wamkati, kukhazikika kwa njira zopangira, komanso chitetezo pantchito. Mosiyana ndi machitidwe a HVAC amalonda m'nyumba zamaofesi, machitidwe a HVAC a mafakitale nthawi zambiri amakumana ndi kutentha kwambiri, kusinthasintha kwa chinyezi kwambiri, komanso kufunikira kowongolera… Werengani zambiri

Kusanthula Kutentha kwa Ma Injini Oyaka Mkati Kusanthula kutentha kwa injini zoyaka mkati (ICEs) ndi phunziro lofunika kwambiri loti timvetsetse momwe mphamvu yamafuta imasinthira kukhala mphamvu yamakina, komanso momwe kutentha kumagawidwira, kugwiritsidwa ntchito, ndi kutayika panthawiyi. Mainjini oyaka mkati—kaya m'magalimoto, majenereta, kapena ntchito zamafakitale—amagwirira ntchito pansi pa kutentha kwambiri ndi kupanikizika, … Werengani zambiri

Kafukufuku wa Kutentha kwa Radiation mu Makina Otentha Kwambiri Makina otentha kwambiri—monga uvuni wa mafakitale, ma boiler, ma turbine a gasi, ma kilns a simenti, ma reactor a mankhwala, ndi injini za jet—amagwira ntchito pansi pa kutentha kwakukulu komwe kumafuna kusamalira kutentha mosamala. Pakati pa njira zitatu zosamutsira kutentha (conduction, convection, ndi radiation), kutentha kwa radiation nthawi zambiri kumakhala gawo lalikulu pamene kutentha kwa pamwamba kumakwera kwambiri. Nkhaniyi… Werengani zambiri

Kusamutsa Kutentha Kozungulira mu Makina Oziziritsira a Injini Makina oziziritsira a injini ndi amodzi mwa njira zofunika kwambiri pakusunga magwiridwe antchito a injini, magwiridwe antchito, komanso moyo wautali—kaya m'magalimoto, majenereta, makina amafakitale, kapena makina ena omwe amapanga kutentha kwakukulu. Injini ikakhala ikugwira ntchito, kuyaka kwa mafuta ndi kukangana pakati pa zigawo zamkati kumapanga kutentha kwakukulu. Ngati kutentha… Werengani zambiri

Kusanthula kwa Kusamutsa Kutentha kwa Conduction mu Zipangizo Zamakina Kusamutsa kutentha ndi chinthu chofunikira kwambiri mu uinjiniya wamakina chifukwa pafupifupi makina onse amapanga, kuyamwa, kapena kusamutsa mphamvu ya kutentha. Pakati pa njira zitatu zosamutsira kutentha—kutulutsa, kutembenuza, ndi kuwala—kutulutsa ndikofunika kwambiri kusanthula mu zipangizo zamakina, makamaka zomwe zimakhudzana mwachindunji ndi zipangizo zomwe zili ndi kutentha. Kusanthula… Werengani zambiri

Kuphunzira za Thermodynamics ya Uinjiniya wa Machitidwe a Maboiler a Mafakitale Chiyambi Maboiler a mafakitale ndi amodzi mwa zida zofunika kwambiri m'magawo osiyanasiyana—kuyambira mafakitale amagetsi ndi mafakitale a mankhwala mpaka zamkati ndi mapepala, komanso makampani azakudya ndi zakumwa. Ntchito yawo yayikulu ndikusintha mphamvu ya mankhwala yamafuta (kapena mphamvu yamagetsi mu maboiler amagetsi) kukhala mphamvu yotentha, kenako nkuwasamutsa kumadzi, motero… Werengani zambiri

Mmene Kutentha Kumakhudzira Kugwiritsa Ntchito Bwino kwa Injini Yotenthetsera Injini yotenthetsera ndi chipangizo chomwe chimasintha mphamvu yotenthetsera kukhala ntchito yamakina. Zitsanzo zake ndi zambiri: mainjini a nthunzi m'mafakitale amphamvu, mainjini oyatsa mkati m'magalimoto, ma turbine a gasi m'ndege, komanso makina amakono opangira magetsi pogwiritsa ntchito kayendedwe ka thermodynamic. Ngakhale kuti ali ndi mitundu yosiyanasiyana, mainjini onse otentha amagwira ntchito mofanana: kutenga... Werengani zambiri

Kusanthula Kwabwino kwa Gasi mu Machitidwe a Injini Yotentha Chiyambi Injini yotentha ndi chipangizo chomwe chimasintha mphamvu yotenthetsera kukhala ntchito yamakina. Zitsanzo zodziwika kwambiri ndi mainjini oyatsa mkati mwa magalimoto, ma turbine a nthunzi m'malo opangira magetsi, ndi mainjini oziziritsira (omwe amagwira ntchito motsatizana, kusamutsa kutentha pogwiritsa ntchito ntchito). Kuti mumvetse momwe mainjini awa amagwirira ntchito moganizira komanso mochuluka, … Werengani zambiri

Kuwerengera Ntchito ndi Mphamvu mu Machitidwe a Thermodynamic Thermodynamics imaphunzira ubale womwe ulipo pakati pa kutentha, ntchito, ndi mphamvu mkati mwa dongosolo. M'machitidwe—kaya mu mainjini a magalimoto, mafakitale amphamvu, ma compressor a mafakitale, kapena ngakhale mafiriji—malingaliro a ntchito ndi mphamvu ndizofunikira kwambiri pakusanthula momwe dongosolo limagwirira ntchito, zofunikira pa mphamvu, komanso kuthekera kopanga kapena kuyamwa mphamvu. Nkhaniyi ikufotokoza momwe mungawerengere ntchito… Werengani zambiri

Kafukufuku wa Brayton Cycle mu Industrial Gas Turbines Chiyambi Ma turbine a gasi a mafakitale ndi makina osinthira mphamvu omwe amagwiritsidwa ntchito kwambiri m'mafakitale opanga magetsi, makampani opanga mafuta ndi gasi, komanso ntchito zosiyanasiyana zomwe zimafuna mphamvu zambiri zamakanika komanso kuyankha mwachangu. Ntchito yoyambira ya ma turbine amakono a gasi nthawi zambiri imatsatira Brayton Cycle, kayendedwe ka thermodynamic komwe kamafotokoza njira ya... Werengani zambiri