Diesel Cycle in hindi || Theoretical vs Actual Diesel Cycle || Diesel Cycle thermodynamics

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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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[sandipmaity]

In 4 stroke engine, the flywheel is bigger than the 2 stroke engine

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).

[nilambarmohanta]

Indias first mechanical teacher my favorite. Love u sir. I have seen ur all videos and very simplfy. After four Year my doubt is clear.

[knnihar]

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.

[My_name]

Legend me watching this video before 4 hrs of exam😂🤒

[viper]

huge respect... love from nepal sir, , , please make more videos on mech an machine drawing

[hindustani]

I watch all ur videos....uh explain very good....thanks🙏🙏🙏🙏🙏

[Kaushal_Pratap]

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.

[HabibUrRahman-srwn]

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

[asifchamanshaikh]

Very Good explanation sir. You are doing great job. Your videos are very helpful. Keep Going .

[skmgamer]

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.

[jatinrohilla]

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😘😘😘😘😘🙂🙂🙂

[ionigamer]

Sir ur voice and face is somehow like sahid afridi🔥🔥❤️

[ATTIDE_KING]

Make a video on city of ratio of diesel cycle sir

[himanshugamer]

Superb sir apka padhane ka tarika next level hai ❤🙌👍

[Raj_videos]

Flywheel 2-Stroke mein bada hota hai.... Sir

[Sumit.A]

4 stroke m. sir kyoki yanha power creating stroke 1 or baki 3 power consuming h

[siddheshberde]

Sir plzz dieswl cycle ka pv and ts diagram ka banao video

[dineshkumargautam]

In for strock engine me flywheel size big

[Momin-fpud]

Sir plz dual combustion cycle pr video send kijia