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Kamfanin Fan na Radiator na Porsche: Kudancin Jihar, Elektriki, da Thermal
Kudancin Wuri da Ayyukan Tsayin Tabbata
Kamar yadda ake shigar da karamin gaba daya na radiator fans don Porsche engines, yadda ake saita bayanai na karamin gaba daya yana da mahimmanci. Don misalai, a cikin 991 Turbo S, ba a wakili karamin gaba daya ne kamar yadda ake shigar da radiator core da dukkan abubuwan da suka tsatse a gaba kamar yadda ake shigar da su kamar 35mm ko kuma kadan. Idan aka rufe karamin gaba daya na OEM bracket ko aka tsofafa hole a wani baya da karamin gaba daya, sai kuma a zama mafi kyau. Coolant hoses suna kawo karamin gaba daya, sensors suna kawo karamin gaba daya na metal... ba za a so hakan. Masu ingantaccen su ya kamata su duba karamin gaba daya na blade tips a cikin factory shroud. Idan aka ci gaba da wadanda suka faruwa a cikin karamin gaba daya, vibrations suna fito wadanda suka yanka bearings sosai da yadda ake so. Idan aka saita karamin gaba daya na shroud contours daidai, zai sa amince wa yadda ake so air ya zo, kuma zai sa amince wa yadda ake so turbulence ta yi karamin gaba daya na efficiency daga surface na heat exchanger.
Takamaiman Elektriko da Porsche OEM Control Protocols (PWM & CAN Bus)
Sistemu na kuma Porsche a yanzu su amfani da 'Pulse Width Modulation' (PWM) signals da kuma 'Controller Area Network' (CAN) bus communication don tsara ayyin fan din a matsayin dynamic. A lokacin saukar da abubuwan da suka fiye da OEM, yana da mahimmanci wajibi don samun voltage curves da impedance da suka dace, domin hana muhimmin kalmomin alama na diagnostic trouble codes. Don misali, 992 series, kowanne abu da ke cikin 5% margin na PWM signal response rates zai shiga alamar warnin a ECU. Alamar 'numbers game' zai zama mafi yawa saboda kuma compatibility yana bukatar fuskantar amp draw a tsaki 35A a lokacin da suka raba startup sequences. A sama lokacin, sistemu yana bukatar iya gudanar da CAN bus messages domin fans su iya gyara speed su a matsayin temperature readings. Kamar yadda manyan dukkia sun gane, wannan tasowa ne tsakanin electrical specs da real world performance zai kasance ta hada da kariya da kariya kafin kowane abu ya shiga aiki tare da kuskure mai kyau.
Tsakarar Tashin Thermal: CFM, Static Pressure, da OEM Cooling Specifications
Don kuma mataimakin Porsche, abubuwan da suka yi amfani da madaidaici na kofin gaba da zuciya da yawa suna bukata biyu na tushen kari: kamar yadda yake da CFM (cubic feet per minute) wanda ke cikin fadakarwa da kamar yadda yake da tsawon kari ta hanyar kofin gaba (static pressure) don fara a cikin kofin gaba da yawa. Don misali, kofin gaba na 718 Cayman GT4 yana bukatar kamar 1,800 CFM kamar yadda yake da tsawon kari ta hanyar kofin gaba (static pressure) ta hanyar kofin gaba wanda ke cikin 0.35 inches of water column. Wadannan adadin suna saba ya daga yadda yake da kari da suka shiga a cikin engine. Idan masu sauyi suna so akwai wadannan adadin da suka shiga a cikin balance, mutuwa suka zuwa a cikin racetrack da kari ya zama wani abu da yawa. A cikin kafin, idan yana da yawa a cikin fadakarwa, yana zama wani abu da yawa a cikin drag wanda ya rufe amfanin. Don yadda yake da sauyin original equipment manufacturer (OEM), yana nufin da kofin gaba yana aiki da kyau da dukkanin saitin da suka haɗa a cikin factory wanda suka haɗa da yawa da thermostat da amfanin coolant flow rates.
Tushen Kari na Madaidaici na Kofin Gaba da Zuciya a Cikin Platforms na Porsche
Gains da suka kammala: 12–22% Yaya CFM a cikin karamin amperes (Bayanai na 991.2 & 718 GT4)
Takardun gaba daya na dyno a 991.2 Turbo da 718 Cayman GT4 model sun nuna cewa fan na radiator mai kyau ya ba da airflow na CFM ta 12–22% yaya kuma 15–30% karamin electrical load. Wannan karamin amperes ya sao kanku na charging system na Porsche, kuma yadda ya dace kuma ya taimaka wajen performance na track a cikin tsawon da ba a samu thermal throttling ba.
Karamin Noise–Efficiency: Tsarrawar akustik a shrouds na asali
Yanzu idan rashin tsari na CFM ya taka, kusurun kasuwanci na faburka suna zama mafi yawa a cikin sauti, amma a matsayin sauti na yawa wadanda suka daga kayan tsarin gaba daya na kofin kai idan suka ci gaba daya na RPMs. Gidajen Porsche suna sauyi wannan babban matsala don hankali saboda kofin kai na su ba su da jikin kuskuren daidai. Don rubuta wannan matsala na sauti, akwai kadan yadda za a iya fahimta su. Shigar da foam na sauti a cikin shrouds na abubuwan da suka fiye da asalin faburka (OEM) yana aiki da kyau. Wadansu mutane kuma suka saita controllers na rukuni na yawa don hankali sai system bai shiga cikin yawa daya ba. Wata hanyar da aka fi so shine ducting mai ban sha'awa ta hanyar da suka fiye da asalin faburka wanda ya taimaka wajen yin sauti na kofin kai a wani bangare kuma ba ta ba su aikata a cikin kabin da suka fiye da asalin faburka. Wannan aiki yana taimakawa don samun tsari na rashin tsari daidai ba tare da yin kowane rufe kamar yin rufe a cikin jet engine.
Kammalawa na Kwallon Fannin na Radiator Fan Ta Hanyar Model da Ta Hanyar Muhimmanci da Tattaunawa
991.1/991.2 Turbo S: Solushin na Radiator Fan Ta Hanyar Da Aiki Da Kyau
Don Allah ya sa kuma a cikin ƙarfin 991-series Turbo S, an kashe fans na radiator na high efficiency wanda suka dace da tsarin asalin su, wanda suka yi amfani da su a cikin gida ba tare in nuna yadda za a canza tsarin otu ba. Wani abu ne wanda ya sa su farko a cikin kari ya zama mafi kyawawan su shine su ke dace da hanyar da suka dace da su a cikin otu, amma suna ci gaba da 18 zuwa 22% ƙarfi na hawa kuma suna amfani da 30% yanzu ƙarfi na elektrisiti kafin su dace da su a cikin otu. Shroud mai ban sha'awa a cikin wadannan units suna dace da tsarin kula a cikin otu kuma suna aiki da tsarin factory pulse width modulation controllers daidai. Mu amfani da su a cikin tracks na haɗa kuma mu gano cewa ƙarfin maya ta rufe 8 zuwa 12 daraja Celsius lokacin da engine suka daga cikin kari da kari, wanda shi ne abu mafi mahimmanci don kula da engine na turbocharged don aiki da kyau. Kullumai na blades suka canzawa don kare wani ƙarfi na kula da water pump wanda ya sa riri kuma duk abu ya dace da yadda ya kamata ya dace, don haka ba a bukatar kuma brackets ko wiring mai ban sha'awa ba.
718 Cayman GT4 RS: Bayani na Tashin Kuma Bayani na Dabara biyu na Fan
Saboda cewa 718 Cayman GT4 RS yana da mota a tsakiyar gaba, kowanne mai son kuwa ga fans na radiator ya bukata brackets mai baya saboda core ba ta tsakiya a wani lokaci. Idan yadda ake bukata performance ya taka kuma yadda ake bukata factory single fan, duk da haka yana daga 1.2 inches na water column pressure ko kuma fiye, kuwa ga biyu fans yana bukatar su. Wadannan brackets mai baya na aluminum da aka cut da laser sun saita mota daga 12 zuwa 15 millimeters don hankali su daga parts na steering, amma su kuma saita 6 zuwa 8 mm space daga fan zuwa housing. Daga abin da muna ganin a computer simulations na air flow, saita fans a pattern mai baya yana kawo 95% na radiator surface area ba tare da kara turbulence. Kuwa ga duk wadannan a electrical yana bukata karya mai baya a CAN Bus signals don hankali error messages daga kusantar idan biyu fans sun zama aiki. Wadannan dukkan suka tabbata cewa cooling system zai iya kawo kuma yadda ake bukata track driving a wadanda lokaci kamar Nurburgring.