{"id":568,"date":"2022-11-25T16:15:08","date_gmt":"2022-11-25T13:15:08","guid":{"rendered":"https:\/\/legendhomework.com\/tr\/?p=568"},"modified":"2022-11-25T16:15:08","modified_gmt":"2022-11-25T13:15:08","slug":"motor-enduksiyon-sistemi-arac-muhendisligi-bolumu-arac-muhendisligi-odevleri-yaptirma-arac-muhendisligi-bolumu-tez-yaptirma-arac-muhendisligi-bolumu-odev-ucretle","status":"publish","type":"post","link":"https:\/\/legendhomework.com\/tr\/motor-enduksiyon-sistemi-arac-muhendisligi-bolumu-arac-muhendisligi-odevleri-yaptirma-arac-muhendisligi-bolumu-tez-yaptirma-arac-muhendisligi-bolumu-odev-ucretle\/","title":{"rendered":"Motor End\u00fcksiyon Sistemi \u2013 Ara\u00e7 M\u00fchendisli\u011fi B\u00f6l\u00fcm\u00fc \u2013 Ara\u00e7 M\u00fchendisli\u011fi \u00d6devleri Yapt\u0131rma \u2013 Ara\u00e7 M\u00fchendisli\u011fi B\u00f6l\u00fcm\u00fc Tez Yapt\u0131rma\u2013 Ara\u00e7 M\u00fchendisli\u011fi B\u00f6l\u00fcm\u00fc \u00d6dev \u00dccretleri"},"content":{"rendered":"

Geli\u015ftirilmi\u015f Turbo\u015farj At\u0131k Kap\u0131s\u0131 Kontrol\u00fc ve Sabit Bas\u0131n\u00e7 D\u00f6ng\u00fcs\u00fcne Ge\u00e7i\u015f<\/span><\/strong><\/h4>\n

Tasar\u0131m\u0131nda, standart egzoz baypas i\u015flemine izin veren, tahliye vanas\u0131n\u0131n geli\u015fmi\u015f \u00e7al\u0131\u015fmas\u0131n\u0131 sa\u011flamak i\u00e7in basit ve g\u00fcvenilir bir turbo\u015farj bas\u0131n\u00e7 kontrol\u00f6r\u00fc sa\u011flanm\u0131\u015ft\u0131r.<\/span><\/p>\n

Ak\u0131\u015f kontrol eleman\u0131, egzoz baypas kanal\u0131 i\u00e7inde konumland\u0131r\u0131lm\u0131\u015ft\u0131r ve at\u0131k kap\u0131s\u0131 akt\u00fcat\u00f6r\u00fc, kontrol eleman\u0131n\u0131 harekete ge\u00e7irmek i\u00e7in baypas hava bas\u0131nc\u0131na duyarl\u0131d\u0131r.<\/span><\/p>\n

Bir hava bas\u0131nc\u0131 kontrol cihaz\u0131, giri\u015f havas\u0131 \u00e7\u0131k\u0131\u015f\u0131na ba\u011fl\u0131 bir giri\u015f portuna ve ak\u0131\u015f kontrol akt\u00fcat\u00f6r\u00fcne baypas hava bas\u0131nc\u0131 sa\u011flayan bir \u00e7\u0131k\u0131\u015f portuna sahiptir. Giri\u015f ve \u00e7\u0131k\u0131\u015f portlar\u0131 aras\u0131ndaki hava ak\u0131\u015f\u0131 yollar\u0131 s\u00fcrekli ak\u0131\u015f sa\u011flad\u0131\u011f\u0131nda, en az biri hava ak\u0131\u015f\u0131n\u0131 engeller.<\/span><\/p>\n

Bir pistonlu motorun biyel kolunda yayl\u0131 bir eleman\u0131n sa\u011flanmas\u0131, tasar\u0131mdaki bir dizi belleville rondela ile sa\u011flan\u0131r. Bir pistonu, i\u00e7 k\u0131sm\u0131 d\u0131\u015f pistonun al\u00fcminyum g\u00f6vdesindeki \u00e7elik bir g\u00f6mlek \u00fczerinde hareket eden bir pistonun i\u00e7ine hapsederler.<\/span><\/p>\n

G\u00f6mle\u011fin taban\u0131ndaki bir tutma halkas\u0131, i\u00e7 pistonun hareketini k\u0131s\u0131tlar. Ate\u015flemeden sonra ‘strokun’ ilk eleman\u0131 yaylar\u0131n s\u0131k\u0131\u015ft\u0131r\u0131lmas\u0131 ve dolay\u0131s\u0131yla bo\u015fluk hacminin artmas\u0131 oldu\u011fundan, yanma odas\u0131ndaki silindir bas\u0131nc\u0131nda ve s\u0131cakl\u0131kta bir d\u00fc\u015f\u00fc\u015f olur.<\/span><\/p>\n

Yaylarda depolanan enerji TDC’den sonra serbest kald\u0131\u011f\u0131ndan, ate\u015fleme TDC’den \u00f6nce ger\u00e7ekle\u015fse de, art\u0131k TDC’den \u00f6nce meydana gelen herhangi bir negatif tork olmad\u0131\u011f\u0131ndan motor verimlili\u011fi artar ve motorun teorik hava \u00e7evrimi sabit bas\u0131n\u00e7l\u0131 \u00e7evrime d\u00f6n\u00fc\u015f\u00fcr.<\/span><\/p>\n

Motor End\u00fcksiyon Sistemi<\/span><\/strong><\/h3>\n

D\u00fc\u015f\u00fck maliyetli s\u00fcper \u015farj ve elektromanyetik valf \u00e7al\u0131\u015ft\u0131rma<\/span><\/strong><\/p>\n

Tasar\u0131mda, b\u00fct\u00fcnle\u015fik bir by-pass mekanizmas\u0131na sahip ucuz bir ara\u00e7 motoru kompres\u00f6r\u00fc \u00f6nerilmi\u015ftir. D\u00f6ner, pozitif yer de\u011fi\u015ftirmeli tipte, motora do\u011fal emi\u015fli hava sa\u011flamak i\u00e7in her iki u\u00e7taki emme ve bo\u015faltma portlar\u0131yla ileti\u015fim kurmak \u00fczere kasas\u0131 i\u00e7inde bir kanal i\u00e7erir.<\/span><\/p>\n

Rotorlar ayn\u0131 zamanda sa\u011fdaki giri\u015f a\u011fz\u0131ndan giren havay\u0131, soldaki tahliye a\u011fz\u0131n\u0131 motora beslemek i\u00e7in s\u0131k\u0131\u015ft\u0131r\u0131r. Baypas ge\u00e7idi, mekanizman\u0131n en sa\u011f\u0131ndaki bir valf ve akt\u00fcat\u00f6r taraf\u0131ndan kontrol edilir. En solda s\u00fcper \u015farj cihaz\u0131n\u0131 \u00e7al\u0131\u015ft\u0131ran elektromanyetik debriyaj bulunur, ancak baypas valfi \u00f6nceden belirlenmi\u015f bir maksimum takviye bas\u0131nc\u0131n\u0131 alg\u0131lad\u0131\u011f\u0131nda ve baypas portunu a\u00e7t\u0131\u011f\u0131nda tahrik bozulur.<\/span><\/p>\n

Uzun valf a\u00e7ma s\u00fcresi ve y\u00fcksek motor h\u0131zlar\u0131nda yeterli silindir dolumu, bu elektromanyetik olarak \u00e7al\u0131\u015ft\u0131r\u0131lan dikme valf i\u00e7in iddia edilen avantajlar aras\u0131ndad\u0131r.\u00a0<\/span><\/p>\n

‘Solenoid’, vanay\u0131 a\u00e7\u0131k ve kapal\u0131 konumlarda tutan anahtarlama m\u0131knat\u0131slar\u0131na sahiptir. S\u0131k\u0131\u015ft\u0131rma yaylar\u0131, hem a\u00e7ma hem de kapama modlar\u0131nda serbest oynamay\u0131 \u00f6nlemek i\u00e7in m\u0131knat\u0131slar ve valf aras\u0131na yerle\u015ftirilmi\u015ftir.<\/span><\/p>\n

Daha iyi yak\u0131t spreyi atomizasyonu, entegre hava\/yak\u0131t end\u00fcksiyon sistemi, yak\u0131t enjeksiyonunun yeniden d\u00fc\u015f\u00fcn\u00fclmesi ve girdap enerjisinin depolanmas\u0131 gerekir.<\/span><\/p>\n

Tasar\u0131m, yak\u0131t giri\u015f a\u011fz\u0131na veya yanma odas\u0131na bo\u015fal\u0131rken h\u0131zl\u0131 bir bas\u0131n\u00e7 d\u00fc\u015f\u00fc\u015f\u00fcne maruz kald\u0131\u011f\u0131nda, aniden buharla\u015fan veya parlayan yak\u0131t\u0131n bir yak\u0131t enjeksiyon memesinden gelen spreyi etkili bir \u015fekilde par\u00e7alamas\u0131 avantaj\u0131ndan yararlan\u0131r.<\/span><\/p>\n

\u00d6nerilen motor, enjekt\u00f6rlerin yukar\u0131 ak\u0131\u015f\u0131nda yak\u0131t\u0131 \u00f6nceden \u0131s\u0131tmak i\u00e7in bir \u0131s\u0131 e\u015fanj\u00f6r\u00fc i\u00e7erir. S\u0131cakl\u0131k, yak\u0131t\u0131n kaynama noktas\u0131n\u0131n hemen alt\u0131nda sabit bir seviyede tutulur ve \u0131s\u0131tma s\u0131v\u0131s\u0131, so\u011futma suyu veya egzoz gaz\u0131 olabilir. Is\u0131tma, bir elektrik bobini ve yal\u0131t\u0131ml\u0131 hazne ile desteklenebilir.<\/span><\/p>\n

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Ate\u015fleme sisteminin Par\u00e7alar\u0131<\/span>
\n4 zamanl\u0131 motor ate\u015fleme s\u0131ras\u0131<\/span>
\nAte\u015fleme sistemi s\u0131ralamas\u0131<\/span>
\nMotoru ate\u015fleme<\/a> sistemi<\/span>
\nAte\u015fleme Sistemi Nedir<\/span>
\nDizel motorlarda ate\u015fleme sistemi<\/span>
\nAte\u015fleme Sistemi Nas\u0131l \u00c7al\u0131\u015f\u0131r<\/span>
\nDistrib\u00fct\u00f6rs\u00fcz elektronik ATE\u015eLEME sistemi<\/span><\/p>\n

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Tasar\u0131mda, motor \u00e7evresinde minimum alan kullan\u0131m\u0131 ile verimli motor hava giri\u015fi susturma elde edilir. Emme hava kutusu ve manifold kanallar\u0131, hava kutusu hacmi emme kanallar\u0131n\u0131 \u00e7evreleyen tek bir \u00fcnitede entegre edilmi\u015ftir. Enjekt\u00f6rlere giden yak\u0131t ray\u0131 ile birlikte d\u00fczene\u011fe bir hava plenum ve gaz kelebe\u011fi valfi de entegre edilmi\u015ftir.<\/span><\/p>\n

Motor yanma odalar\u0131na do\u011frudan yak\u0131t enjeksiyonu ile ilgili temel bir sorun vard\u0131. Bu, bujide ate\u015fleme i\u00e7in yak\u0131t a\u00e7\u0131s\u0131ndan zengin bir kar\u0131\u015f\u0131m sa\u011flamakla birlikte silindir duvarlar\u0131n\u0131n buharla\u015famayacak ve egzozda istenmeyen hidrokarbon emisyonlar\u0131na neden olacak yak\u0131tla \u0131slanmas\u0131n\u0131 \u00f6nlemek i\u00e7in yeterince dar bir p\u00fcsk\u00fcrtme konisi sa\u011flamak aras\u0131ndaki \u00e7eli\u015fkidir.<\/span><\/p>\n

Tasar\u0131mda, popet valf tipi bir enjekt\u00f6r, dar bir konik p\u00fcsk\u00fcrtme sa\u011flar, ancak bujiye do\u011fru p\u00fcsk\u00fcrt\u00fclen yard\u0131mc\u0131 bir konik arka sahiptir. Bu, valf yata\u011f\u0131n\u0131n ak\u0131\u015f a\u015fa\u011f\u0131s\u0131ndaki enjekt\u00f6r\u00fcn dairesel duvar\u0131ndaki bir girinti ile sa\u011flan\u0131r.<\/span><\/p>\n

\u0130ki giri\u015f a\u011fz\u0131 kolu her bir giri\u015f valfini besleyecek \u015fekilde tasarlanm\u0131\u015f bir motorda, birinci kol bir hava besleme manifoldunun ortak bir plenumuna ba\u011flan\u0131rken, ikincisi ikinci bir manifoldun ortak bir plenumuna ba\u011flan\u0131r, bu ikinci manifold tabakal\u0131 bir valf g\u00f6revi g\u00f6r\u00fcr. Ford’un daha \u00f6nceki bir patentinin kapsad\u0131\u011f\u0131 \u015farj depolama d\u00fczenlemesi yap\u0131l\u0131r.\u00a0<\/span><\/p>\n

Art\u0131k \u015firket, \u015farj haz\u0131rl\u0131\u011f\u0131n\u0131 ve yanma kalitesini iyile\u015ftirmek i\u00e7in bu konsepti yal\u0131n yanmal\u0131 motorlara geni\u015fletti. Birinci koldan ikinci kola \u00e7ekilen hava, depolama s\u0131ras\u0131nda d\u00f6ner ve bir sonraki giri\u015f vuru\u015fu i\u00e7in kinetik enerjiyi korur.<\/span><\/p>\n

Sol silindirin giri\u015f valfi kapal\u0131yken, valf a\u00e7\u0131l\u0131rken biti\u015fik sa\u011f silindirin neden oldu\u011fu giri\u015f depresyonunun etkisi alt\u0131nda hava alt gaz kelebe\u011fi kelebe\u011fi vas\u0131tas\u0131yla noktal\u0131 \u00e7izgiyle \u00e7izilmi\u015f kanala \u00e7ekilir; ikinci plenuma te\u011fetsel girdap ba\u011flant\u0131s\u0131, ak\u0131\u015f a\u015fa\u011f\u0131s\u0131nda yak\u0131t enjekte edilir ve plenum kanal\u0131n\u0131n girdap enerjisini tutmak i\u00e7in \u015fekillendi\u011fi ak\u0131\u015f yukar\u0131s\u0131nda. Y\u00fcksek motor y\u00fcklerinde iki kelebek vanan\u0131n \u00fcst k\u0131sm\u0131 a\u00e7\u0131labilir.<\/span><\/p>\n

\u0130yile\u015ftirme ve Azalt\u0131lm\u0131\u015f Emisyonlar<\/span><\/strong><\/h3>\n

D\u00f6rt zamanl\u0131 motor yerine iki zamanl\u0131 motor kullanarak daha fazla yak\u0131t tasarrufu vaadi, hacim olu\u015fturucular\u0131n dikkatini \u00e7eken Avustralyal\u0131 Sarich motoru taraf\u0131ndan yeni bir ilgi g\u00f6rd\u00fc. Sarich, be\u011fenilen yak\u0131t-hava kar\u0131\u015f\u0131m\u0131n\u0131 silindire enjekte etme sistemini tasarlayarak zay\u0131f emisyon performans\u0131na ili\u015fkin korkular\u0131 ortadan kald\u0131rarak iki vuru\u015fun nedenini ilerletmek i\u00e7in \u00e7ok \u015fey yapt\u0131.<\/span><\/p>\n

\u00d6l\u00e7\u00fcm ve enjeksiyon sistemi g\u00f6sterilmektedir. Yak\u0131t, port (b) yoluyla hazne (a) boyunca \u00f6l\u00e7\u00fcl\u00fcr ve yak\u0131t\u0131 de\u011fi\u015ftirmek ve motora iletmek i\u00e7in bir hava portu (c) yoluyla s\u0131k\u0131\u015ft\u0131r\u0131lm\u0131\u015f gaz verilir. Valflerin \u00f6nemli faz ayar\u0131, yak\u0131t giri\u015f ve \u00e7\u0131k\u0131\u015f (d) valflerinin hava a\u00e7\u0131lmadan \u00f6nce kapat\u0131lmas\u0131n\u0131 ve kalan gaz\u0131n bir sonraki \u015farjdan \u00f6nce at\u0131lmas\u0131n\u0131 sa\u011flamak i\u00e7in kontrol edilir. Hazneye gaz giri\u015fi, \u00e7\u0131k\u0131\u015flar\u0131 kapatmak i\u00e7in gerekenden daha y\u00fcksek bir bas\u0131n\u00e7ta a\u00e7\u0131lan valf (e) ile kontrol edilir.<\/span><\/p>\n

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