Four Stroke Engine
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The document describes the workings of a four-stroke petrol engine. It operates on the Otto cycle, with the piston performing four strokes - intake, compression, power, and exhaust. Four-stroke petrol engines are commonly used in automobiles, transportation vehicles, generators, aircraft and marine engines due to their higher efficiency, lower pollution levels, less wear and tear, quieter operation, and ability to run cleaner without added oil in the fuel. They give high rpm at low power.
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Four stroke engine-basics
1. Understanding how your car's engine works allows you to properly maintain it through regular oil changes and tune-ups.
2. The four-stroke cycle principle is applied in many engines beyond automobiles, such as motorcycles, boats, lawnmowers, and generators.
3. An awareness of the basic components and combustion process in a four-stroke engine helps develop troubleshooting skills for mechanical issues.
Four stroke engine
A four stroke engine uses four separate strokes to turn the crankshaft: intake, compression, combustion, and exhaust. Nikolaus Otto developed the four stroke engine based on designs by others. The engine uses these four strokes: intake draws fuel/air into the cylinder, compression compresses the fuel/air mixture, combustion ignites the compressed fuel/air, and exhaust expels the exhaust gases out of the cylinder. The thermodynamics of four stroke engines can be analyzed using air standard assumptions to model the Otto cycle.
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This document discusses the four stroke petrol engine. It describes the four strokes of the engine cycle: intake, compression, power, and exhaust. During intake, the piston moves down and air-fuel mixture enters the combustion chamber. In compression, the piston moves up and compresses the mixture. In power stroke, ignition occurs and the expanding gases push the piston down. Finally, in exhaust stroke, the piston moves up to push out the exhaust gases. The four strokes complete one cycle requiring two revolutions of the crankshaft.
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Four stroke engine pro
The document discusses the four-stroke engine cycle and its key components. It describes the four strokes of intake, compression, power, and exhaust. It then lists and describes the main engine parts, including the cylinder block, pistons and piston rings, spark plug, valves, connecting rod and crankshaft, injector, camshaft, and sump. The core function of these parts is to intake air and fuel, compress it, ignite it to create power, and exhaust spent gases in the four-stroke cycle.
Four stroke petrol engine,,,,WAHLA
The document describes a presentation on four-stroke petrol engines. It includes sections on the introduction, construction, working principle, applications, and lubrication of four-stroke petrol engines. The key points are:
1. A four-stroke petrol engine completes its cycle over four strokes of the piston and two revolutions of the crankshaft. It was invented by Nikolaus Otto in 1876.
2. The main parts include the piston, connecting rod, crankshaft, inlet and exhaust valves, spark plug, and carburetor.
3. The four strokes are intake, compression, power, and exhaust. During intake the mixture is drawn in, compression compresses it, combustion powers
4 stroke engine
The document describes the operation of a four-stroke engine, including the intake, compression, power, and exhaust strokes in one revolution of the crankshaft. It also discusses the valve timing and fuel injection systems. The cooling, lubrication, and timing systems are described as well as differences between gasoline and diesel engines.
Four stroke petrol engine
This document discusses the four-stroke petrol engine. It provides an introduction to four-stroke engines and their basic components. It then describes the four strokes of the engine's cycle: the intake stroke, compression stroke, power stroke, and exhaust stroke. The document also discusses the thermodynamic process, advantages and disadvantages, applications, and lubrication of the four-stroke petrol engine. It was authored by four students - Muhammad Ali, Muhammad Akhtar, Muhammad Waseem, and Usman Sajid.
Recommended
Four stroke engine-basics
1. Understanding how your car's engine works allows you to properly maintain it through regular oil changes and tune-ups.
2. The four-stroke cycle principle is applied in many engines beyond automobiles, such as motorcycles, boats, lawnmowers, and generators.
3. An awareness of the basic components and combustion process in a four-stroke engine helps develop troubleshooting skills for mechanical issues.
Four stroke engine
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This document discusses the four stroke petrol engine. It describes the four strokes of the engine cycle: intake, compression, power, and exhaust. During intake, the piston moves down and air-fuel mixture enters the combustion chamber. In compression, the piston moves up and compresses the mixture. In power stroke, ignition occurs and the expanding gases push the piston down. Finally, in exhaust stroke, the piston moves up to push out the exhaust gases. The four strokes complete one cycle requiring two revolutions of the crankshaft.
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The document discusses internal combustion engines. It defines them as engines where combustion occurs inside the engine cylinder. It then describes the basic parts of an I.C. engine like the cylinder, piston, crankshaft. It explains the differences between a 2-stroke and 4-stroke engine and how their cycles work. A 2-stroke engine completes one cycle per revolution while a 4-stroke takes two revolutions. It provides details on the workings and compares the advantages and disadvantages of 2-stroke and 4-stroke diesel engines.
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The document discusses the four-stroke engine cycle and its key components. It describes the four strokes of intake, compression, power, and exhaust. It then lists and describes the main engine parts, including the cylinder block, pistons and piston rings, spark plug, valves, connecting rod and crankshaft, injector, camshaft, and sump. The core function of these parts is to intake air and fuel, compress it, ignite it to create power, and exhaust spent gases in the four-stroke cycle.
Four stroke petrol engine,,,,WAHLA
The document describes a presentation on four-stroke petrol engines. It includes sections on the introduction, construction, working principle, applications, and lubrication of four-stroke petrol engines. The key points are:
1. A four-stroke petrol engine completes its cycle over four strokes of the piston and two revolutions of the crankshaft. It was invented by Nikolaus Otto in 1876.
2. The main parts include the piston, connecting rod, crankshaft, inlet and exhaust valves, spark plug, and carburetor.
3. The four strokes are intake, compression, power, and exhaust. During intake the mixture is drawn in, compression compresses it, combustion powers
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The document describes the operation of a four-stroke engine, including the intake, compression, power, and exhaust strokes in one revolution of the crankshaft. It also discusses the valve timing and fuel injection systems. The cooling, lubrication, and timing systems are described as well as differences between gasoline and diesel engines.
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This document discusses the four-stroke petrol engine. It provides an introduction to four-stroke engines and their basic components. It then describes the four strokes of the engine's cycle: the intake stroke, compression stroke, power stroke, and exhaust stroke. The document also discusses the thermodynamic process, advantages and disadvantages, applications, and lubrication of the four-stroke petrol engine. It was authored by four students - Muhammad Ali, Muhammad Akhtar, Muhammad Waseem, and Usman Sajid.
FOUR STROKE ENGINE
The document discusses the history and workings of different types of engines. It describes how Nicolaus Otto invented the four-stroke engine in 1876. A four-stroke engine completes one cycle over four strokes and two revolutions of the crankshaft. It also describes how a two-stroke engine, invented in 1878 by Clerk, completes a cycle in one revolution due to the use of ports instead of valves.
Presentation on Petrol Engine
An engine converts heat energy from fuel into mechanical energy. A petrol/gasoline engine uses an internal combustion process where fuel is ignited by a spark plug. It has four strokes - intake, compression, power, and exhaust. In a four-stroke petrol engine, these four strokes are completed in two revolutions of the crankshaft. A two-stroke petrol engine completes the four strokes in one revolution, making it simpler but less efficient. The major components of an engine include the cylinder, piston, crankshaft, valves, connecting rod, and camshaft.
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This PowerPoint presentation covers the four-stroke engine, including its basic components and four-stroke cycle. It will guide the learner through the material, which includes definitions of a four-stroke engine and its advantages. The major components of a basic four-stroke engine are identified and their functions explained. The four stages of the combustion cycle are intake, compression, combustion, and exhaust. The learner will be quizzed after completing the self-guided presentation.
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A brief explanation of both two stroke diesel engine and two stroke petrol engine with appropriate figures. It can also submitted to professor at the time of submission.
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this is the ppt on 2 stroke and 4 stroke petrol engine. . i made this ppt with the help of dhrumil patel .who is in the L.D. college of engineering in chemical department. . i am very thankful to him for being my great partner. . .thanx dhrumil..
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1. The document discusses the two-stroke cycle gasoline engine, describing its basic parts and principle of operation. It has several key advantages over the four-stroke engine, including higher power density and simpler design.
2. The basic parts are the piston, cylinder block, crankshaft, connecting rod, flywheel, spark plug, inlet port, exhaust port, and transfer port. Each downward piston stroke is a power stroke, and each upward stroke is a compression stroke.
3. It intakes and exhausts on the same stroke, achieving two cycles per revolution compared to one cycle per two revolutions for a four-stroke. However, its scavenging is less efficient, resulting in lower thermal
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A two-stroke engine has a compression and combustion stroke in each revolution, while a four-stroke engine has separate intake, compression, combustion, and exhaust strokes. In a two-stroke, oil is mixed with gasoline to lubricate parts. Two-stroke engines are lighter and more powerful but less efficient and produce more pollution than four-stroke engines due to exhausting unburned fuel. The piston acts as both a valve and plunger in two-stroke engines.
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The document describes the four stroke engine cycle. A four stroke engine uses intake, compression, power, and exhaust strokes to complete one cycle. During the intake stroke, the intake valve opens and the piston moves down to draw air-fuel mixture into the cylinder. In the compression stroke, both valves are closed and the piston moves up to compress the mixture. The power stroke occurs when the compressed mixture is ignited, pushing the piston down. Finally, in the exhaust stroke, the exhaust valve opens and the piston pushes out the exhaust gases. The four stroke cycle is more efficient but more complex than a two stroke engine.
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This document provides an overview of the basics of four-stroke engines. It begins with an orientation that outlines the materials to be covered, including the four-stroke cycle and basic components of a four-stroke engine. The presentation then defines a four-stroke engine and other engine types. The basic components of a four-stroke engine are identified and explained. Finally, the four stages of the four-stroke cycle - intake, compression, combustion, and exhaust - are detailed. The document aims to provide learners with foundational knowledge of how four-stroke engines work.
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The document provides information on various types of internal combustion engines including their components, operation principles, advantages and disadvantages. It discusses key aspects of gasoline/petrol engines like 2-stroke and 4-stroke cycles and diesel engines. Other topics covered include engine materials, nomenclature, cooling methods, turbocharging and alternative rotary engines like the Wankel engine. Diagrams are included to illustrate the engine cycles and configurations.
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The document describes the four stages of the combustion cycle in a 4-stroke engine: intake, compression, power, and exhaust. During intake, the piston moves down and draws in the fuel-air mixture through the open intake valve. In compression, the valve closes and the piston compresses the mixture. At top-dead-center in power, the spark plug ignites the compressed mixture, pushing the piston down. During exhaust, the exhaust valve opens and the piston pushes out the exhaust gases.
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The document discusses the history and workings of different types of engines. It describes how Nicolaus Otto invented the four-stroke engine in 1876. A four-stroke engine completes one cycle over four strokes and two revolutions of the crankshaft. It also describes how a two-stroke engine, invented in 1878 by Clerk, completes a cycle in one revolution due to the use of ports instead of valves.
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An engine converts heat energy from fuel into mechanical energy. A petrol/gasoline engine uses an internal combustion process where fuel is ignited by a spark plug. It has four strokes - intake, compression, power, and exhaust. In a four-stroke petrol engine, these four strokes are completed in two revolutions of the crankshaft. A two-stroke petrol engine completes the four strokes in one revolution, making it simpler but less efficient. The major components of an engine include the cylinder, piston, crankshaft, valves, connecting rod, and camshaft.
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The document discusses analyzing the implementation of a six-stroke engine in a hybrid car. A six-stroke engine consists of two combustion chambers, with the unused heat from the four-stroke Otto cycle powering additional strokes. This increases fuel efficiency by around 40% over a four-stroke engine. The authors aim to numerically analyze combining a six-stroke engine with hybrid technology in a car. Their calculations estimate that such a combo car could achieve a fuel efficiency of 34 km/L, higher than a typical hybrid. The combo design would have benefits of lower emissions and fuel use than a conventional hybrid, but also high initial costs.
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Four Stroke Engine
- 1. Md. Abul Kalam Azad ID: 1403EEE00041
- 2. Contents: Introduction Engine Details Working Applications Advantages
- 3. Introduction: The four stroke petrol engine works on the principle of theoritical otto cycle and also known as constant volume cycle. In four stroke petrol engine the valve operating for inlet is called inlet valve and the valve operating for exhaust is called exhaust valve. In petrol engine spark plug fitted at the top of the cylinder head initiates the ignition of the air fuel mixture.
- 5. Working: The piston performs four strokes to complete one working cycle. The four different strokes are: 1. Suction 2. Compression 3. Power 4. Exhaust
- 6. Applications: Four stroke petrol engine commonly used in today’s world, Four stroke engine widely used in automobile industries. They are used in bus, trucks and other transportation vehicles. They are used in pumping system. These engines find application in mobile electric generators. These engines widely used in aircraft and marine engines. Diesel engines find application in pump sets, construction machinery, air compressor, drilling rigs, etc.
- 7. Advantages: Four stroke engines give higher efficiency. It creates less pollution. Less wear and tear due to good lubrication system It is quitter in operation. It runs cleaner due to no extra oil added in fuel. They give high rpm at low power.
- 9. Thank You.