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Diesel Cycle in hindi || Theoretical vs Actual Diesel Cycle || Diesel Cycle thermodynamics
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- Опубликовано: 15 ноя 2020
- #sscje #mechanical #gearinstitute
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The Diesel cycle is a combustion process of a reciprocating internal combustion engine. In it, fuel is ignited by heat generated during the compression of air in the combustion chamber, into which fuel is then injected. This is in contrast to igniting the fuel-air mixture with a spark plug as in the Otto cycle (four-stroke/petrol) engine. Diesel engines are used in aircraft, automobiles, power generation, diesel-electric locomotives, and both surface ships and submarines.
The Diesel cycle is assumed to have constant pressure during the initial part of the combustion phase ({\displaystyle V_{2}}V_{2} to {\displaystyle V_{3}}V_{3} in the diagram, below). This is an idealized mathematical model: real physical diesels do have an increase in pressure during this period, but it is less pronounced than in the Otto cycle. In contrast, the idealized Otto cycle of a gasoline engine approximates a constant volume process during that phase.
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In 4 stroke engine, the flywheel is bigger than the 2 stroke engine
because.....
1. In 4 stroke engine we get one power stroke in 2 revolution( 720°) of crankshaft and 4 stroke of the piston ( * stroke means the distance traveled by the piston from TDC to BDC and BDC to TDC) .
so we have to store more power in flywheel as the flywheel helps to rotates the crankshaft and complete the other 3 stroke ( suction, compression and exhaust) .
2. But in 2 stroke engine, we get one power stroke in every revolution of crankshaft and 2 stroke of the piston.
So we want less power to store in the flywheel to complete another upward stroke ( suction +compression).
In 4 stroke the flywheel will be big, because it have to support 3 strokes, while as in 2 stroke it only have to support one stroke.
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15min
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huge respect... love from nepal sir,,, please make more videos on mech an machine drawing
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In a two-stroke engine, there is a power stroke in every revolution of the crank (every 360° of crank rotation) the flywheel of this engine need to provide energy for remaining one stroke. So the flywheel of four-stroke engine is usually designed heavier, and two-stroke engine use the lighter flywheels.
Ahaa sir adiabatic process must be fast for less heat loss
Isothermal must be slow
When process is super fast time for friction other losses will be less and output will be high...
This is what we have learnt for carnot engine
Dhanyawad Sir💫
Jai Hind🇮🇳
Very Good explanation sir. You are doing great job. Your videos are very helpful. Keep Going .
4 stroke me bda hota hai reason 2 hai
1) 4 stroke engine me only 1 stroke hi power stroke for rest 3 strokes u need enough inertia to happen.
2) 4 strokes me camshaft ko b rotate krwana pdta hai so we need more intertia
so F.W. on 4S. is larger then 2S.
Love your teaching style
Happy to hear that!
Make a video on city of ratio of diesel cycle sir
Thank you sir for easy explanation
Sir you are the best
Sir ur voice and face is somehow like sahid afridi🔥🔥❤️
In 4 stroke engine flywheel will be greater as compare to 2 stroke engine because it can move in tdc to bdc and bdc to tdc
Thank you 😊
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खुपच छान गुरूजी
Bohot barhia sir
Very nice and good explanation sir. 😊
In for strock engine me flywheel size big
Superb sir apka padhane ka tarika next level hai ❤🙌👍
Thanks and keep watching
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Tq vv so much sir
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Sir , flywheel ki size 4 stroke I.C. Engine mein bigger hogi.
Flywheel 2-Stroke mein bada hota hai.... Sir
Sir please atoms ke baare 5 - 10 videos banao ki atoms kya hote hai, kaise hote hai, aur atoms ke pass electrons kyu chakkar lagate hai, and heavier elements kaise form hue, shuruaat mai agar sirf hydrogen he tha to baki elements kaha se aaye, please explain everything about atoms, and of course fusion and fission bhi explain karna ki hum kaha tak elements ko fuse ya fiss kar sakte hai aur unhe kitni energy chahiye hoti hai split ya add up karne ke liye, so sir please explain each topic even the topic is possible or not, thank you sir and love you😘😘😘😘😘🙂🙂🙂
Atoms he elementary particles nahi hote, vo bhi Quarks se bante hain ya agar sahi se bola jaye to Fermions he sare particles ka nirmaan karta hain....jaha par bosons sare forces carry karne ka kaam karte hain. Aur electrons nucles ka chakkar isliye lagate h kyu ki positive charge proton ya specifically 2 up and 1 down independent quarks use attract karte h.....electrons ko particle ke tarah sochna totally sahi nahi hoga.....nucles ke aaspaas electrons ka cloud hota....aur electrons nucles ke anadar isliye nahi jaate kyu ki Heisenberg Uncertainty Principle hume ye bata ta hain ki agar quantum particles ke position ko certain kar diya jaaye to uske momentum mein kuch uncertainty jarur hogi....aur agar point like particle electron nucleus mein fall hota h to uska postion certain ho jayega jo ki h 10^-¹⁵ aur Uncertainty principle ke karan uska momentum khud light se kai guna jada ho jayaega ( Outer surface of electron will spin a hundred times faster than light which is impossible. As per Special Theory of Relativity states that, a particle with mass can't travel faster than light. Becuase of the friction with higgs field.)
Aur jaha tak baat nuclear fusion ki hain to vo itna simple bhi nahi jitna dikhta hain....Khud sun ko nuclear fusion karne ke liye 100M degrees Kelvin Temp chahiye but sun sirf 10 Mk he generate kar pata h....despite of having 90 Mk less than required the only region why sun could do nuclear fusion is Quantum Tunneling.
In fusion where quarks come closer to each other, because of beta deya they seperate from each other in Fission.
Fission is used in atomic activities under chain reaction but, Indeed there is no comparison of Nuclear Fusion. It is really hard to bring two same charge close enough desptie the electromagnetic force or say photon repulsion them ( If we try to bring two protons near to each other in absence of Strong force....the EM will reply them so dramatically that they will flew in the outer space unnoticed. ). So yes to have a nuclear fusion pressure and temp must be till certain extent. Where beta decay cause Nuclear Fission. In which due to half life time electrons leaves their shells and decay and hence the radioactive material produces a heigh radiation which leads into great energy as per E² = (mc²)² + pc². And if you trigger it with chain reaction......congrates you'd just created a atom bomb......
Hope this will help you to get some figure for your Answer.
Aur atoms ke building blocks fermions hote hain jaisa ki maine bola jisme Gluons glue ke tarah kaam kar ke sare quarks ko aapas mei baandhe rakhta h aur yahi particle strong force carry karta h. Space ke expansion kè karan temp low hui aur particles banne lage ilsiye isme koi aashchaarya ki baat nahi ki hydrogen ke baad helium kaise bani kyu ki sabhi quarks aur elementary particles ke rearrangement he hain.
Love you😍😍 sir i never ever see thus lecture
Mast sir
Thank You and Keep watching
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Very nice explanation with practical example that the speciality for you ...god bless you sir
4 stroke m. sir kyoki yanha power creating stroke 1 or baki 3 power consuming h
When engine is off then where the piston is on rest in the engine cylinder tdc or bdc or between tdc and bdc🤔🤔
Sir plzz dieswl cycle ka pv and ts diagram ka banao video
Sir plz dual combustion cycle pr video send kijia
Power Stoke me practically bhi tho heat isobarically add ho sakthi hai jaisee.
Hamm cooker ko gas me rak ke uski volume ko side by side increase kare tho that is possible ❓
Sir Otto Cycle Efficiency Derivation Vediou Please 🙏
sir isme air ko above ignition temperature par compress karte h tab diesel jal uthta h
4 stroke engine me flywheel bada hota hai as compared to 2 stroke engine
Bigg flywheel are use in 4 stroke engine ❤
4 stroke me flywheel bda hota h sir
Sir ap machine drawing pr video bhi bnaiya for 4th semester mechanical diploma
2stork engine first stork in power or next exost.
Sir g carrot cycle ki bhi bna video plz jaldi jaldi
4 Stroke
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Why Adiabatic process is considered as fast in chemistry; while slow in thermo?
the slow adiabatic process is internally reversible process and faster one is irreversible process.
4 strock is bigger than 2 strock
Flywheel big in size in 2 stock IC engine
2 stroke me sir
4 stroke engine flywheel is large in size.
4 stroke
Two Stroke has bigger flywheel
4 strockk
4 stroke engine have big flywheel
derivation part ?
👍
4 stroke kai engine sir
In four stroke flywheel is bigger
flywheel big in four stroke engines
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love from pakistan
Thank you and Keep Watching
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4 stroke engine have big fly wheel
Sir 4 stroke Engine in Flywheel is important.
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Sir ek digital board le li jiye
Paise kaun dega beta
Sir diesel cycle mein constant volume process bhi aata hai kya??
Ek hai naa video mein dekho
@@gear.institute bt diesel cycle ko to constant pressure cycle kehte hai
In four stroke engine fly wheel is bif
right
Four stoke me flywheel bada hoga
Ye mughe nhi pta chala ki interview me kya batayenge
In 4 stroke
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Guruji T-S curve bhi samjha do iska
watch this
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Numerical questions sir
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2stroke less than 4stroke
4 stroke fly wheel is bigger
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4 stock
Sir apke channel ko upper he Jana chye
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Flywheel size for a single-cylinder engine is bigger for a 4-stroke engine than that of a 2-stroke engine.
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Sir 2 stroke ka flywheel bra hota ha
Please watch this video
For right answer
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4 stroke
4 stroke