Dizel motor yanma odas\u0131<\/p>\n
Dizel motorun yanma odas\u0131n\u0131n \u00f6zellikleri, performans a\u00e7\u0131s\u0131ndan belirleyici bir rol oynad\u0131\u011f\u0131ndan, dizel motor tasar\u0131m\u0131 kilit \u00f6neme sahiptir.
\nYanma odas\u0131, \u00f6zellikleri ve yap\u0131s\u0131na g\u00f6re a\u00e7\u0131k, yar\u0131 a\u00e7\u0131k, \u00f6n yanma odas\u0131 ve girdap odas\u0131 olmak \u00fczere d\u00f6rt t\u00fcre ayr\u0131l\u0131r. \u0130lk ikisi do\u011frudan enjeksiyonlu yanma odas\u0131d\u0131r; son ikisi ise ayr\u0131 yanma odas\u0131 t\u00fcrlerine aittir.<\/p>\n
D\u00fc\u015f\u00fck devirli dizel motorlar ve par\u00e7alar\u0131; a\u00e7\u0131k yanma odal\u0131, girdaps\u0131z y\u00fcksek devirli dizel motor. Silindir kafas\u0131n\u0131n taban\u0131ndan yanma odas\u0131na ve pistonun \u00fcst y\u00fczeyine kadar uzanan, belirli bir \u015fekle sahip genel bir bo\u015fluk olu\u015fur. \u0130yi bir yak\u0131t p\u00fcsk\u00fcrtme sa\u011flamak ve yanma odas\u0131 i\u00e7inde e\u015fit bir da\u011f\u0131l\u0131m elde etmek i\u00e7in g\u00f6zenekli enjekt\u00f6r (6 ila 10 delik). Bu nedenle, tipik bir yanma s\u00fcreci i\u00e7in yanma odas\u0131 bo\u015flu\u011funda a\u00e7\u0131k yanma ger\u00e7ekle\u015fir; bu da yanma odas\u0131n\u0131n \u015fekli ile yak\u0131t ak\u0131\u015f\u0131n\u0131n da\u011f\u0131l\u0131m\u0131n\u0131n birbiriyle uyumlu olmas\u0131n\u0131 gerektirir. D\u00fc\u015f\u00fck yak\u0131t t\u00fcketimi ve kolay \u00e7al\u0131\u015ft\u0131rma gibi avantajlar\u0131 vard\u0131r; dezavantaj\u0131 ise yak\u0131t p\u00fcsk\u00fcrtme ko\u015fullar\u0131n\u0131n zorlu olmas\u0131 ve de\u011fi\u015fken h\u0131zda \u00e7al\u0131\u015fmaya uyum sa\u011flamas\u0131n\u0131n zor olmas\u0131d\u0131r.
\nYar\u0131 a\u00e7\u0131k girdap odac\u0131\u011f\u0131na sahip k\u00fc\u00e7\u00fck, y\u00fcksek h\u0131zl\u0131 bir dizel motor kullan\u0131rlar. Bu odac\u0131k, ba\u015fl\u0131ca film kompozit yanma odas\u0131 ve yanma odas\u0131 gibi \u00e7e\u015fitli tiplere ayr\u0131l\u0131r.<\/p>\n
\u201cYanma Odas\u0131\u201d, Alman Moller\u2019in icad\u0131na dayanan 1956 yap\u0131m\u0131 bir filmdir. Piston odas\u0131n\u0131n i\u00e7inde yer al\u0131r ve k\u00fcresel bir \u015fekle sahiptir. Yak\u0131t, motorun yanma odas\u0131 duvar\u0131na p\u00fcsk\u00fcrt\u00fcl\u00fcr; p\u00fcsk\u00fcrt\u00fclen yak\u0131t\u0131n \u00e7o\u011fu, yanma odas\u0131 duvar\u0131ndaki g\u00fc\u00e7l\u00fc girdap etkisiyle ince bir tabaka olu\u015fturur; yak\u0131t\u0131n k\u00fc\u00e7\u00fck bir k\u0131sm\u0131 ise motorun yanma odas\u0131 bo\u015flu\u011funa da\u011f\u0131l\u0131r ve ilk ate\u015flemeyi ger\u00e7ekle\u015ftirir; bu da duvardan buharla\u015fan yak\u0131t\u0131n tutu\u015fmas\u0131na neden olur. Bu yanma s\u00fcreci yumu\u015fak bir \u015fekilde ger\u00e7ekle\u015fir, yak\u0131t tamamen yanar, hafif bir duman \u00e7\u0131karken ses de azd\u0131r ve hafif yak\u0131t kullan\u0131l\u0131r; dezavantaj\u0131 ise so\u011fukken \u00e7al\u0131\u015ft\u0131r\u0131lmas\u0131n\u0131n daha zor olmas\u0131d\u0131r.<\/p>\n
1964 y\u0131l\u0131nda \u00c7inli Shi Shaoxi taraf\u0131ndan icat edilen kompozit yanma odas\u0131, karanl\u0131k odan\u0131n i\u00e7inde pistonun \u00e7anak \u015feklindeki \u00fcst k\u0131sm\u0131nda, a\u011fz\u0131 hafif\u00e7e daralm\u0131\u015f olup, giri\u015f havas\u0131nda \u00f6zel bir girdap olu\u015fumuna yol a\u00e7ar ve tek delikli eksenli p\u00fcsk\u00fcrtme i\u011fnesi ya\u011f so\u011futucusu kullan\u0131l\u0131r. Enjekt\u00f6r ekseni, temel motor yanma odas\u0131 duvar\u0131na paralel olup, yak\u0131t yanma odas\u0131n\u0131 \u00e7evreleyen bo\u015flukta yer almaktad\u0131r. Girdap etkisi alt\u0131nda, yanma odas\u0131ndaki kal\u0131n duvara da\u011f\u0131lm\u0131\u015f ya\u011f par\u00e7ac\u0131klar\u0131 bir film tabakas\u0131 olu\u015fturur ve bu filmde k\u00fc\u00e7\u00fck ya\u011f par\u00e7ac\u0131klar\u0131 ile hava kar\u0131\u015f\u0131m\u0131 bulunur. H\u0131z y\u00fcksek oldu\u011funda, y\u00fcksek h\u0131zl\u0131 girdap yanma odas\u0131nda duvar \u00fczerindeki yak\u0131t ya\u011f\u0131 tabakas\u0131 kal\u0131nla\u015f\u0131r ve yanma \u00f6zellikleri bu tabakaya ba\u011fl\u0131 olarak de\u011fi\u015fir; d\u00fc\u015f\u00fck h\u0131zda \u00e7al\u0131\u015ft\u0131rma s\u0131ras\u0131nda ve girdap h\u0131z\u0131n\u0131n d\u00fc\u015f\u00fck oldu\u011fu durumlarda, yak\u0131t\u0131n yanma ortam\u0131yla kar\u0131\u015fmas\u0131 i\u00e7in ayr\u0131lan alan art\u0131r\u0131l\u0131r, bu da so\u011fuk \u00e7al\u0131\u015ft\u0131rma performans\u0131n\u0131 iyile\u015ftirebilir.<\/p>\n
Kompozit film buharla\u015ft\u0131rmal\u0131 yanma odas\u0131 ve yanma alan\u0131, her iki sistemin avantajlar\u0131n\u0131 bir araya getirme a\u00e7\u0131s\u0131ndan makul bir \u00e7\u00f6z\u00fcmd\u00fcr; bu sistem, hibrit yanma sistemi olarak da bilinir. \u00c7al\u0131\u015fma s\u00fcreci yumu\u015fakt\u0131r, \u00e7e\u015fitli yan\u0131c\u0131 yak\u0131tlar kullanabilir, motor yak\u0131t enjeksiyon sistemine y\u00f6nelik gereksinimleri d\u00fc\u015f\u00fckt\u00fcr ve kolayca \u00e7al\u0131\u015ft\u0131r\u0131labilir. Dezavantaj\u0131 ise, d\u00fc\u015f\u00fck y\u00fckte egzozda yanmam\u0131\u015f hidrokarbon seviyelerinin daha y\u00fcksek olmas\u0131d\u0131r.
\n\u00d6n yanma odas\u0131 ve ana motor yanma odas\u0131, iki par\u00e7adan olu\u015fan \u00f6n yanma odas\u0131ndan olu\u015fur. Silindir kafas\u0131nda yer alan \u00f6n yanma odas\u0131, 25 ila 40% aras\u0131nda bir s\u0131k\u0131\u015ft\u0131rma hacmine sahiptir ve ana yanma odas\u0131na ba\u011flanan bir veya daha fazla ge\u00e7i\u015f deli\u011fine sahiptir. \u00d6n yanma odas\u0131na enjekte edilen yak\u0131t\u0131n bir k\u0131sm\u0131 yanar; yanmam\u0131\u015f kar\u0131\u015f\u0131m ise y\u00fcksek h\u0131zl\u0131 bir jet halinde yanma odas\u0131na girer ve burada yanma havas\u0131yla daha fazla kar\u0131\u015f\u0131r. Bu sistem, k\u00fc\u00e7\u00fck ve orta g\u00fc\u00e7teki dizel motorlar\u0131n yanma odalar\u0131 i\u00e7in ge\u00e7erlidir.<\/p>\n
Vorteks girdap odas\u0131 ve yanma odas\u0131, ana motor yanma odas\u0131 bile\u015fenleridir. Silindir kafas\u0131nda bulunan, ters \u00e7an \u015feklinde veya k\u00fcresel yap\u0131l\u0131 girdap odas\u0131, 50 ila 80% aras\u0131nda bir toplam s\u0131k\u0131\u015ft\u0131rma hacmine sahiptir ve ana motor yanma odas\u0131na ba\u011fl\u0131 bir kanala a\u00e7\u0131l\u0131r. S\u0131k\u0131\u015ft\u0131rma stroku s\u0131ras\u0131nda, girdap odas\u0131na giren havan\u0131n bas\u0131nc\u0131 g\u00fc\u00e7l\u00fc bir girdap hareketi olu\u015fturur ve bu da enjekte edilen yak\u0131t\u0131n hava ile kar\u0131\u015fmas\u0131n\u0131 sa\u011flar. Kar\u0131\u015f\u0131m yanma odas\u0131na girdikten sonra tutu\u015fur, ikincil ak\u0131\u015f olu\u015fur ve ard\u0131ndan ana yanma odas\u0131ndaki hava kar\u0131\u015f\u0131m\u0131yla birlikte yanmaya devam eder.<\/p>\n
Ayr\u0131ca, \u00f6n girdap odas\u0131, yanma odas\u0131, yanma odas\u0131, yanma odas\u0131 enjekt\u00f6r i\u011fnesi ekseni kullan\u0131ld\u0131\u011f\u0131nda, daha d\u00fc\u015f\u00fck enjeksiyon bas\u0131nc\u0131 sa\u011flan\u0131r ve sistem g\u00fcvenilir \u00e7al\u0131\u015f\u0131r; h\u0131z artt\u0131k\u00e7a, girdap ve girdap ak\u0131m\u0131 sayesinde i\u00e7 mekan performans\u0131 art\u0131r\u0131lm\u0131\u015f y\u00fcksek h\u0131zl\u0131 dizel motor ve hava kar\u0131\u015f\u0131m\u0131 h\u00e2l\u00e2 iyi bir performans sergiler.<\/p>\n
Girdap odal\u0131 dizel motorlar\u0131n devri 4000 dev\/dak veya daha fazla olabilir; \u00e7al\u0131\u015fma s\u00fcreci yumu\u015fakt\u0131r ve egzozda daha az zararl\u0131 bile\u015fen bulunur. Bununla birlikte, \u0131s\u0131 kayb\u0131 ve b\u00fcy\u00fck miktarda gaz ak\u0131\u015f\u0131n\u0131n kayb\u0131, yanma sonras\u0131nda daha ciddi boyutlara ula\u015f\u0131r; bu nedenle yak\u0131t t\u00fcketimi daha y\u00fcksektir; so\u011fuk \u00e7al\u0131\u015ft\u0131rma sorunlar\u0131 nedeniyle genellikle k\u0131zd\u0131rma bujilerinin tak\u0131lmas\u0131 gerekir.<\/p>","protected":false},"excerpt":{"rendered":"
Diesel engine combustion chamber The merits of the diesel\u00a0engine\u00a0combustion chamber has a decisive role in the performance, so the diesel\u00a0engine\u00a0design is the key. Combustion chamber according to the characteristics of the organization and structure divided into open, semi-open, pre-combustion chamber and swirl chamber four. The first two are direct injection combustion chamber; the latter two […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2363","post","type-post","status-publish","format-standard","hentry","category-news"],"acf":[],"yoast_head":"\n