Kuwongolera kwa magwiridwe antchito a injini zoyatsira mkati kwadzetsa kuchepa kwa kutentha kwa gasi. Kulimbitsa munthawi yomweyo malire a utsi kumafuna njira zovuta zowongolera utsi, kuphatikizapambuyo pa chithandizoamene mphamvu yake imadalira kwambiri kutentha kwa mpweya wotuluka.
Mipanda iwiri yotulutsa mpweya nditurbine nyumbama modules opangidwa kuchokera ku pepala lachitsulo akhala akugwiritsidwa ntchito mu injini za petulo kuyambira 2009. Amapereka kuthekera kwa injini zamakono za Dizilo kuti achepetse kutulutsa kwazinthu zowononga komanso kugwiritsa ntchito mafuta. Amaperekanso ubwino wokhudzana ndi kulemera kwa chigawo ndi kutentha kwa pamwamba poyerekeza ndi zigawo zachitsulo.Zotsatirazi zikusonyeza kuti kugwiritsa ntchito makina opangira mpweya wa mpweya wa mpweya kungapangitse kuchepetsa mpweya wa HC, CO, ndi NOx pamphepete mwa nyanja. 20 mpaka 50%, kutengera kapangidwe ka injini, kalasi ya inertia yamagalimoto, ndi kayendetsedwe ka kayendetsedwe kake, poyerekeza ndi njira yopopera yoyambira yomwe ili ndi zida zanthawi zonse zotulutsa chitsulo ndi turbine nyumba.
Pogwiritsa ntchito njira zokongoletsedwa za EGR, kuwonjezeka kwa injini kunja kwa NOx kungaloledwe pogwiritsa ntchito kutembenuka kwapamwamba kwa NOx mu SDPF. Zotsatira zake, mphamvu yopulumutsa mafuta yofikira ku 2% idawonedwa mu WLTP ndipo Kupititsa patsogolo kwaukadaulo wamainjini a dizilo ndikofunikira kuti akwaniritse malamulo okhwima a gasi komanso kuchepetsa kutulutsa kwa CO2 munthawi imodzi. Ku EU ndi maiko ena, kuwongolera njira zovomerezeka, monga Worldwide harmonized Light Cars Test Procedure (WLTP) ndi malire a zotulutsa zenizeni (RDE) zatsala pang'ono kuyambitsidwa. Kukhazikitsidwa kwa njira zokhwima izi kudzafuna kuwongolera kopitilira muyeso kwadongosolo. Kuphatikiza pa DOC ndi diesel particulate fyuluta (DPF), injini zamtsogolo zidzakhala ndi NOx pambuyo pa chipangizo chothandizira monga NOx yosungirako catalyst kapena njira yochepetsera kuchepetsa.
Buku
Bhardwaj O. P, Lüers B, Holderbaum B, Kolbeck A, Köfer T (ed.), "Innovative, Combined Systems with SCR for Upcoming Stringent Emission Standards in US & EU," 13th International Stuttgart Symposium on Automobile and Engine Technology, Stuttgart , 2013.
Nthawi yotumiza: May-23-2022