
dvi-indhana vahanam

dvi-indhana vahanalu anevi rendu indhanaalapai nadiche saamarthyam kaligina bahula indhana enginelatho kuudina vahanalu. rendu indhanaalu ververu tankullo nilva cheyabadataayi mariyu injin oka samayamlo oka indhanampai nadavagaladu. antargata dahana yantraalapai, dvi-indhana injin saadhaaranamgaa gasoline mariyu sahaja vayuvu (cng), elpiji ledhaa hydrogen vanti asthira pratyaamnaaya indhanaanni kaalchivestundi. dvi-indhana vahanalu gasoline nundi itara indhanaaniki, manaveeyamgaa ledhaa svayamchaalakamgaa munduku venukaku maare saamarthyaanni kaligi untaayi. dwandwa-indhana vahanam anedi oka sambandhita bhavana, idhi rendu indhanaalanu kalipi kalchali. vayuvu indhanaalanu upayoginchadaaniki marchabadina deasle enginelu vividha jwalana vyavastha kaaranamgaa eee vargamloki vastaayi.
dvi-indhana gasoline kaarla kosam marketlo andubaatulo unna atyanta saadhaarana saanketikata mariyu pratyaamnaaya indhanam autogas (elpiji), taruvaata sahaja vayuvu (cng), mariyu idhi pradhanamgaa airopalo upayoginchabadutundi. polland, netherlands mariyu baltic rashtraallo aneka kaarlu elpiji thoo nadustaayi. italeelo prastutam atyadhika sankhyalo cng vahanalu unnaayi, aaa taruvaata sweeden undhi. veetini dakshina americalo kooda upayogistaaru, ikkada eee vahanalanu pradhanamgaa brazil mariyu argentine pradhana nagarallo taxi cabluga upayogistaaru. saadhaaranamgaa, praamaanika gasoline vahanalu pratyeka dukaanaalaloo retrofit cheyabadataayi, veetilo trunk mariyu elpiji ledhaa cng injection system mariyu electronicslo gyaas cylindernu vyavasthaapinchadam untundi. gasoline injin yokka spark-ignitionnu vaayuvulu upayoginchagalavu kabatti marpidi saadhyamavutundi.
deasle marpidi.
deasle injin anedi compression ignition injin mariyu dheeniki spark plug undadu. sahaja vayuvu vanti pratyaamnaaya dahana indhana vanarutho deasle injinnu nadapadaniki, sahaja vaayuvunu pradhana indhanamgaa upayoginche dwandwa indhana vyavastha, cylinder lopala gyaas/gaali misramaanni prerepinchadaaniki deasle indhanaanni upayogistaaru. maroe maatalo cheppalante, sampeedana stroke chivarilo deasle yokka oka bhaagam inject cheyabadutundi, tadwara asalu deasle operation suutraanni konasaagistundi. (gyaas matrame nadapadam saadhyame, conny marinta vistrutamaina maarpu avasaram.)
eee sandarbhamlo dwandwa indhana operation antey injin oke samayamlo rendu indhanaalanu (gyaas mariyu deasle) upayogistundi, dvi indhanaaniki viruddhamgaa, antey engineku vidividigaa indhanaanni upayoginche avakaasam untundi.
saadhaaranamgaa rendu rakaala marpidulu untaayi-takkuva vegam (1000 arpm kante takkuva) mariyu adhika vegam (1200 mariyu 1800 arpm madhya).
takkuva mariyu madhya vegam marpidi.
veelainanta varaku intake kavaataalaku daggaragaa vyavasthaapinchina vyaktigata gyaas electromagnetic kavaataalu dwara cylinder inlet manifold loki gyaas inject cheyabadutundi. kavaataalu vidigaa samayabaddhamgaa untaayi mariyu injection niyantrana unit dwara niyantrinchabadataayi. eee vyavastha deerghakaalam ativyaapti samayamlo cylinderku gyaas sarafaraaku antaraayam kaligistundi mariyu exast kavaataalu (nemmadigaa mariyu madhya-vaega enginelaku vilakshanhamainavi-kavaata ativyaapti cylinder scaveng nirvahinchabadutundi). idhi gananeeyamaina gyaas nashtalanu nivaaristundi mariyu exast yokka aneka retlu varaku pramaadakaramaina gyaas pravahanni nirodhistundi.
adhika vegam marpidi.
turbocharger (luu) kii mundu erpaatu chesina saadhaarana mixer dwara vayuvu gaalitho militam cheyabadutundi. gyaas pravaham thoretal valve dwara niyantrinchabadutundi, idhi avasaramaina injin avtput mariyu vegam prakaram pratyeka niyantrana vyavastha dwara electronicga nirvahinchabadutundi. injin padipokunda undataaniki, nock detector/controller vyavasthaapinchabadutundi, tadwara atyanta samarthavanthamaina gyaas/deasle nishpattilo injin operationku veelu kalpistundi.
marpidi lakshanaalu mariyu prayojanaalu.
dvi-indhana vahanaluga maaradaaniki sambandhinchina prayojanaalalo operation kharchulapai podupu, ippatike unna vahanam yokka injin maarpu mariyu utpatti kaani shakti vantivi unnaayi. itara prayojanaallo udgaaraala taggimpu (vividha sii/hetch anuvula nishpatti kaaranamgaa) mariyu indhana vasyata kooda unnaayi.
upayoginchina gyaas rakalu.
dvi-indhana karyakalapala kosam cng (sampeedana sahaja vayuvu) ledhaa lng (drava sahaja vayuvu) nuu upayoginchadam saadhaaranam. injin avtput saktini kolpodu kabatti rendoo ekkuvagaa generator setla marpidi kosam kooda upayoginchabadataayi.
iteevali samvatsaraalalo biogass upayoginchabadutondi. nirdishta biogass rakam anukuulamgaa undho ledho anchanaa vaeyadaaniki biogass kuurpu mariyu calorific viluva telusukovali. jeevavayuvu vividha vanarula nundi udbhavinchinanduna mariyu aneka sandarbhaallo takkuva calorific viluva unnanduna calorific viluva oka samasya kaavacchu. deasle chamurunu pratyamnaayamgaa cylinderloki taginanta parimaanamlo vaayuvunu inject cheyavalasi untundani meeru oohinchavachhu (ledhaa, cheppadaniki manchidi, deasle chamuru dwara pampinhee cheyabadina saktini pratyaamnaayam cheyandi). biogass yokka calorific viluva (shakti) chaalaa takkuvagaa unte, cylinderloki nijamgaa pedda parimaanamlo bayogyasnu inject cheyalsina avasaram undhi, idhi saanketikamgaa asadhyam kaavacchu. adanamgaa, biogass yokka kuurpu jwalana vaayuvula vaipu moggu chuupaali mariyu carbon dioxide vanti dahanam kaani sammelanaalanu veelainanta varaku filter cheyali.
anubandha vayuvu anedi chivari rakam vayuvu, idhi saadhaaranamgaa generator setla dvi-indhana marpidi kosam upayoginchabadutundi. anubandha vayuvu anedi chamurutho kalisi kanipinche sahaja vayuvu, idhi chamurulo karigipotundi ledhaa chamuru paina uchita vayuvu yokka topiga untundi. antey idhi daadaapu cng ledhaa lng maadirigaane naanhyatanu kaligi untundi.
deasle/gyaas nishpatti.
idhi injin yokka saanketika sthithi, mukhyamgaa injection vyavasthapai aadharapadi untundi. hye-speed enginelaku saadhaarana deasle/gyaas nishpatti 40/60%. injin yokka operating avtput sthiramgaa mariyu naamamaatrapu avtput yokka 70-80% madhya unte, 30/70% nishpatti varaku cherukovadam saadhyamavutundi. nirvahana utpatti takkuvagaa unte (udaaharanaku naamamaatrapu utpattilo 50 saatam) ledhaa vaividhyaalu unte, raetu 45/55% (deasle ekkuvagaa upayoginchabadutundi) untundi. takkuva vegamtho marpidi kosam deasle/gyaas nishpattini 10/90% varaku cherukovadam saadhyamavutundi. saadhaaranamgaa, marpidi tarvaata pareeksha cheyakundane khachitamaina deasle/gyaas nishpattiki haamii ivvadam saadhyam kaadu.
vahanalu.
anantara 'dvi-indhanam' mariyu 'tri-indhanam' marpidulu kooda andubaatulo unnaayi.

