Wednesday, 28 March 2018

2 stroke or 4 stroke engine me kya फरक है

2 stroke or 4 stroke engine me kya फरक है





Hello friend aj hum 2 stroke or 4 stroke engine ke main difference ke bare me janege. app image me dono engine dekh sakhte ha jo pehla engine ha vo four stroke engine ha and dusara vo two stroke engine ha. yaha pe hamne dono single cylinder engine liya ha.
2 stroke 4 stroke difference
aj hum dono engine me difference dekhege jaise power stroke, balance, torque, weight, engine output, temperature engine running hoga tab ka, cooling system, mileage, lubrication, Design, and friction. aj hum etne 2 stroke or 4 stroke engine ke point difference dekhege.
power stroke pehla jo main difference ata ha vo ha power stroke ka. four stroke engine me jab piston four bar travel karege yani 4 bar piston uper niche hoga tab fuel ek hi bar burn hoga. Char bar yani 4 process hogi jaise suction, compression, expansion and exhaust ya process ke vakt piston char bar uper niche hoga tab 1bar fuel burn hoga us wakt one power stroke milta ha./ two stroke engine me jab piston cylinder me 2 bar trivet hoga tab fuel engine me ek bar burn hoga or one power stroke milega. 4 stroke engine me one power stroke ke liya piston four bar move hota ha. and 2 stroke engine one power stroke ke liya 2 bar piston ki movement hoti ha. so ase apko pata chalta ha ki 2 stroke engine me jada power milta ha as compare to four stroke engine 

Balancing  dusara jo main difference ha vo  balancing ka. four stroke jo engine ha vo unbalance rehta ha 2 stroke ke comparison me. ku ki piston jab uper se niche travel karta ha first time me suction or niche se uper travel karta ha tab compression so jo four stroke engine me crack ha vo 1 bar puri circle me ghum chuki ha 360 degree. jisme use power nhi mili ha. uske bad fir power stroke ata ha uske badh exhaust stroke power stroke ke doran use power milta ha. use power ko use karke use suction bhi karna ha compression bhi karna ha es liya crack ki jo speed ha kabhi badh jati ha to kabhi kum hoti ha. es vajase esme crank unbalance ho jati ha. lekin 2 stroke engine me asa nhi ha jabhi piston uper se niche ayaga tab use power milege usi vajase crank same speed se ghumti ha es liya vo unbalabe nhi hoga balance me rahega. 

Torque  tisara important point ha tork 4 stroke vale engine me tork uniform nhi milta ku ki engine 360 degree bina power ka rotation hota ha es liya kabhi crack ki speed jada hoti ha kabhi kam es liya vo unbalance rehta ha es liya tork bhi unbalance rehta ha. tork unbalance rehta ha es ke liya use flywheel lagana padta ha bada vala. engine se jitni power milti ha vo flywheel me store karta ha or suction or compression stroke complite kar ne ke liya de deta ha. but 2 stroke engine continue power stroke milte rehta ha torke lagta ha 

Weight  mahara 4 difference engine ka weight . 4 stroke vale engine me weight hamesha jada rahega kuki es engine me hamne bada vala flywheel use kiya ha  valve bhi rehte ha valve operate karne ke liya cam bhi hogi .and 2 stroke vale engine me kam weight hota ha.

Engine output four stroke engine ka 2 stroke engine se jada rehta ha or behtar rehta ha kuki 4 stroke me exhaust ka stroke alg se rehta ha power stroke ke badh piston niche a jata ha tab exhaust ka valve open ho jata ha than piston uper move hota ha  sari exhaust gases baher nikal jati ha cylinder se. pura cylinder khali ho jata ha uske badh suction hota ha fresh charge leta ha or power stroke ke doran jalta ha to behtar power produce hoti ha. per 2 stroke me asa nhi ha kuki intake port se jitne bhi gases ati ha vo gases exhaust gas ko dhaka lagake baher nikal ti ha use ham scavenging bhi kehte ha lekin es process ke doran sari exhaust gases nhi nikal pati jab fresh charge under ata ha usme vo exhaust gas mix ho jati ha fir combustion hota ha vo behtar nhi hota esliya power output bhi behtar nhi milta. 

Temperature when running jo four stroke vala engine ha use cold engine kaha jata ha or jo two stroke vala engine ha use hot engine kaha jata ha. kuki power stroke ke badh four stroke vale engine me power stroke ke badh 3 stroke or ha jo ki khali ha usme koe fuel burn nhi hota ha jaise suction , compression exhaust ha es doran jo power stroke se heat milti ha vo 3 stroke ke doran nikal jati ha. per 2 stroke vale me asa nhi hota ha jbhi piston move hoga power milti rehgi vo hamesha hot hi rehega. es vja se hot engine kaha jata ha 

Cooling system four stroke vale engine me water cooling system use kiya jata ha per 2 stroke me air cooling system use kiya jata ha.like bike me

Mileage yani jo gadi ka average ha 2 stroke engine me har bar fuel jalege har bar power stroke milega 360 degree me. so ese jada fuel lagega es liya average kum milega but 4 stroke me 720 degree crack rotation hoti ha or 1 hi bar fuel jalta ha es liya jada average milta ha.

Lubrication system lubrication system 2 me bhi use kiy jata ha ap logo ne dekha hoga schooter me petrol bharte vakt librication bhi dalte ha. 

Design me to apko pata ha char stroke vale me intake or exhaust valve use liya jate ha use operate karne ke liya cam or bohot se part use hote he to complicate ho jati ha. per 2stroke vale engine me jada part nhi use hote ha es liya eski design simple rehti ha.

Friction चार stroke vale engine me jada rehta ha kuki esme part jada rehte ha per दो stroke vale engine me kam part rehte es liya friction kum hota ha.

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