# Compression ratio of the internal combustion engine is defined as?

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The compression ratio of an internal-combustion engine, or an IC engine as it is more commonly called, is the ratio of the volume the highest capacity of the combustion chamber to its lowest capacity.

In the IC engine, the piston makes a stroke, resulting in the compression of the air in the combustion chamber - the ratio between the volume of the cylinder and combustion chamber when the piston is at the bottom of its stroke, and the volume of the combustion chamber when the piston is at the top of its stroke, is the compression ratio.

## Define the internal combustion engine?

Hi, this is from www.howstuffworks.com New HCCI Engine* More Auto Videos »= Internal Combustion = The ­principle behind any reciprocating internal combustion engine: If you put a tiny amount of high-energy fuel (like gasoline) in a small, enclosed space and ignite it, an incredible amount of ener...

## How can you increase the compression ratio of an internal combustion engine?

Compression ratio (CR) is the total volume of a cylinder at BDC (bottom dead center) divided by total volume of space at TDC (top dead center).To increase CR, you must either increase the total volume of displacement, or decrease the volume at TDC. This can be achieved by shaving the heads, incre...

## What is the typical compression ratio and combustion chamber pressure in a compression ignition engine?

Typical compression ratios between 18:1 and 23:1 are common, although in an effort to minimize oxides of N2 compressions as low as 16:1 are being employed generally resulting in a loss of 1-2 mpg resulting from the lower thermodynamic efficiency of the diesel cycle. Higher compression ratio yield...

## What is meant by the compression ratio of a combustion engine?

The compression ratio of a combustion engine is the relationship of the largest and smallest capacities of the combustion chamber. A higher compression ratio is advantageous because the engine operates more efficiently, extracting more mechanical energy from the fuel. Most gasoline-powered engine...

## What is the effect of air fuel ratio on detonation in internal combustion engine?

A leaner fuel mixture burns hotter than a rich mixture. so a leaner mixture will be more prone to detonation than a richer mixture.

## Compression ratio of diesel engine?

Usually between 16:1 and 22:1

## What is compression ratio of IC engine?

The compression ratio is the ratio of the volume of the cylinder and the combustion chamber when the piston is at the bottom, and the volume of the combustion chamber when the piston is at the top.Automotive engineers can improve fuel efficiency and fuel economy by designing engines with high com...

## The engine is an example of an internal combustion engine?

maybe bec. theres two types of i.c.e. the gasoline and diesel ingine

## What is the compression ratio of a diesel engine?

The compression ratio of a Diesel ranges from 14:1 to as high as 25:1.I agree just depends on engine.

## What is the average compression ratio of a diesel engine?

Diesel engines are designed to operate at higher compression ratios, usually between 15 to 20, while petrol engines have lower compression ratios usually between 8 to 10.Since the higher the compression ratio of an engine the higher the thermal efficiency, so diesel engines generally have a bette...

## What is the compression ratio of and engine?

Compression ratio is the difference in the volume of a engine cylinder between when the cylinder is at it's largest volume, compared against when the cylinder is at it's smallest volume. Gasoline engines use 8:1 to 12:1 compression ratio. Diesel fuel engines use 14:1 to 25:1.

## What is engine compression ratio?

The compression ratio is the ratio of the volume of the cylinder and the combustion chamber when the piston is at the bottom, and the volume of the combustion chamber when the piston is at the top.Automotive engineers can improve fuel efficiency and fuel economy by designing engines with high com...

It can get you places faster than walking, biking or horse &amp; buggy!

## Introduction of internal-combustion engine?

http://en.wikipedia.org/wiki/History_of_the_internal_combustion_engine

## Component of internal combustion engine?

There are many components but the most noteable are the block, head, crankcase, cylinder, piston, piston rod, crank shaft, camshaft, and flywheel.

## Inventor of the internal combustion engine?

Etienne Lenoir in 1858

## Types of internal combustion engines?

Engine types based on stroke :1. Two stroke engine (in which ignition is takes place twice that is in incoming stroke and second in outgoing stroke )2. four stroke engine (in which 4 process are done that is Suction,compression,power transmission and exhaust. and ignition is takes only once )Ther...

## Can water be used as fuel in internal combustion engine?

Today - no.But they are working on it. If they can find a way to efficiently separate the hydrogen from the oxygen you can run a vehicle on the hydrogen.

## Internal combustion engine of a gasoline engine?

a gasoline engine is an Internal combustion engine

## Function of internal-combustion engine?

to produce mechanical energy

## What is the purpose of the internal combustion engine?

Internal-combustion engine, any of a group of devices in which the reactants of combustion (oxidizer and fuel) and the products of combustion serve as the working fluids of the engine.Examples include gasoline engines, diesel engines, gas-turbine engines, and rocket-propulsion systems.

## Future of internal-combustion engine?

All factors considered, it's probably going to be around for quite a while. No other powerplant has the same:Proven reliability;Economy to manufacture;Efficiency of output to size;Simplicity to operate and maintain;Scalability - from model airplanes to locomotives;Adaptability to new technology i...

## What is the functioning of Internal combustion engine?

pretty much to put it simply, the purpose of the internal combustion engine is to turn potential energy in the form of petrol or diesel into mechanical energy. This is done by exploding the fuel in the combustion chamber of the engine, therefore creating heat and rapid expension of gas which driv...

## What is the Efficiency of a standard internal combustion engine?

the internal combustion engine works by converting chemical energy (fuel) into heat energy. the heat energy then expands the compressed air to drive the piston down. typically a third of this heat goes straight out of the exhaust, which is why the exhaust gets hot. another third of the heat is ab...

## Is a internal combustion engine a type of engine?

Well, you have rocket engines and jet engines which aren't internal combustion engines, and various types of internal combustion (Otto cycle -- what you probably have in most cars, Diesel cycle like small diesel cars and trucks, Wankel cycle like in Mazda rotary engines like the RX series, and 2-...

## Which engine is more efficient in terms of compression ratio?

For a conventional gasoline engine, the higher the compression ratio, the more efficient the engine. US passenger cars have not had very high compression ratios for about 30 years for multiple reasons. During 1970-1972, Chrysler had the highest compression ratios in US production cars, requiring ...

## How do you lower the compression ratio of an engine?

There are several means by which the compression ratio of an engine might be reduced although all involve extensive mechanical rework to accomplish.1) Remove the heads from the motors and grind the compression chambers of the head(s) to make the area larger.2) Install replacement pistons that hav...

## What is the working principle of internal combustion engine?

Internal combustion heat engines work on the principle of the ideal gas law:.Raising the temperature of a gas increases the pressure that makes the gas want to expand.An internal combustion engine has a chamber, which has fuel added to it which ignites in order to raise the temperature of the gas.

## What is a good engine compression ratio?

Compression ratios are often between 14:1 and 23:1 for direct injection diesel engines, and between 18:1 and 23:1 for indirect injection diesel engines.Since diesel engines operate on the principle of compression ignition, a fuel which resists autoignition will cause late ignition, which can lead...

## What is the internal combustion engine?

sunil is really gay and sucks a call of duty 4!!!!!!There are several types: gasoline and diesel fueled are the two main types. Within those they have various combustion cycles: 2 cycle, 4 cycle, otto cycle, atkensen cycle, wankle cycle are some that apply to gasoline engines. The thing they all ...

## What is the average temperature inside the combustion chamber of an internal combustion diesel engine?

the air temp at the end of the compression stroke for the ignition of diesel fuel within the combustion chamber is approx between 450*c - 675*c Brent

## What is the scope of internal combustion engine?

Internal combustion engins come in a huge range of sizes from 1 or 2 ccs (for model aircraft), to vast engines for ships.

## What is the exhaust gas composition of internal combustion engines?

3 major gasses (as checked in an emission test) hydrocarbons, Co. &amp; Nox (oxides of nitrogen)In exhaust gas of diesel engines (at correct fuel mixture) there was 13.8% CO2 (carbon dioxide) and 84.5% N2 (nitrogen).

## What is compression ratio for petrol engine?

Different engines - different ratios, but commonly around 8 to1.

## What is the key difference between the piston action of an internal combustion engine and that of a compressed-air engine?

The internal combustion engine uses a fuel i.e petrol or diesel to cause compression when ignited ,when the fuel burns it causes compression of the piston. A compressed air engines power comes from an electric motor which forces the piston up and down to produce compressed air.

## If an engine has a compression ratio of 7.1?

Depends on the make of engine, but that sounds about normal .

## Is rocket engines are internal combustion engines?

YES the oxidizer and propelant are mixed into a chamber the ignited.

## How is the internal combustion engine important?

The internal-combustion engine offers a relatively small, lightweight source for the amount of power it produces.An important device based on the internal-combustion engine is the automobile.In all internal-combustion engines, however, the basic principles remain the same.Fuel is ignited in a cyl...

## Compression ratio for petrol engine?

in late 70's early 80's - 8:1turbo cars are lower some as low as 7-7.5:1(most NA 9:1 -10.5:1)to as high as11:1 7.0L Z06 corvette11.2:1 ferrari enzo11.8:1 for lambo Aventador12.2:1 porsche gt-3 rs12.5:1 for r8 4.2L V8 or 5.2 V1012.5:1 ferrari 45817:1 to 24:1. give or take for diesel powered vehicles.

## What is internal-combustion engine?

An internal combustion engine is one where a gas/air mixture is ignited and burned in a closed cylinder, and forces a piston to move. In other words, all piston engines in cars, trucks, bikes aircraft.

## What is the deffintion of compression ratio?

Compression is squeezing something so that it occupies a smaller space. Ratio is the proportion between two quantities or numerical values. Click the link for a detailed explanation. Explanation below!++++Therefore a Compression Ratio is the ratio between original and compressed volumes of, norma...

## Will brake fluid damage internal parts of a combustion engine when used as a cleaner?

if you are reboulding the engine,no.but if your not rebuilding it will damage seals and honing,Yes it will, try injector cleaner, or even engine cleaner.

## What is the average temperature inside the combustion chamber of an internal combustion gasoline engine?

Temps can be close to 3600 deg f away from surfaces. Surfaces however are kept cool by the engines cooling system and the fact that the burning mostly takes place in only 1 of the four strokes. Exhaust manifolds can reach temps of over 1800 deg. f

## Are the intake and exhaust valves open During the stage of internal combustion engine operation in which the piston rises and compresses the fuel in the combustion chamber?

No, both valves are closed so as to create a seal around the combustion chamber so the fuel/air mixture can be compressed.It goes like this:Stroke 1 - the piston is drawn down in the combustion chamber with the intake valve open, allowing air to enter the chamber. At the same time, fuel is inject...

## What are the of classifications of reciprocating internal combustion engines?

classification of the reciprocating Internal combustion engine. according to t he cycle of operation.1 two stroke2 four strokeaccording to the number of cylinders.1 single cylinder.2 multi cylinder.according to the type of fuel1 petrol engine2 diesel engine3 gas engineaccording to the arrangement...

## How many kinds of Internal combustion engine?

3 : 4 stroke : 2 stroke and: Diesel :)

## What are examples of internal combustion engines?

All these engines are IC (internal combustion ) type.This list contains examples of internal combustion engines, gasoline, diesel, cox fuel and jet fuel.They all ignite and burn petroleum based fuel internally to produce power.

## Examples of internal combustion and external combustion engine?

Examples of internal combustion engines: Examples of external combustion engines:

## Explain the basic principle of operation of internal combustion engine?

There are 4 strokes to your average everyday gasoline engine. As well as other little moving partsThe initial combustion is achieved by the starter motor manually cranking the engine to force the pistons into action, think about some old timey looney toons cartoon when you see someone out in fron...

## The source of thermal energy in an internal combustion engine?

The source of thermal energy in an internal combustion engine is from a combination of pressure (the piston compressing the air/fuel mixture), ignition of air/fuel mixture by spark plug (largest contributor), and friction of moving parts inside the engine.

## What are the four strokes of an internal combustion engine?

Intake, Combustion, Power, Exhaust

## How do you increase engine compression ratio?

To decrease the compression ratio "remove material" from inside of the Cylinder head or piston top. This increases both the volumes by equal amount and hence the ratio gets decreased. Changing the piston head design.Changing the stroke length of the cylinder.Changing cylinder diameter.Chang...

## What are the 4 cycles of an internal combustion engine?

A four-stroke cycle engine is an internal combustion engine that utilizes four distinct piston strokes (intake, compression, power, and exhaust) to complete one operating cycle.The piston make two complete passes in the cylinder to complete one operating cycle.

## What are the four strokes of a internal combustion engine?

Intake, compression, power, exhaust.

## What are the four strokes of internal combustion engine?

intake stroke, compression stroke, power stroke, exhaust stroke in that order

## What is the difference between combustion and detonation as in a internal combustion?

When the engine detonates its referring to the engine giving spark to the compressed air/fuel in the cylinder, when theres combustion its simply the explosion that happens after ignition.

## The waste products of combustion leave the internal combustion engine through the?

The waste products of combustion leave the internal combustion engine through the exhaust valve.

## What is internal combustion engine vehicle?

An internal combustion engine (ICE) is a heat engine where the combustion of a fuel occurs with an oxidizer (usually air) in a combustion chamber that is an integral part of the working fluid flow circuit.

## What is internal combustion engine example?

Useful work generated by an internal-combustion (IC) engine results from the hot gaseous products of combustion acting on moving surfaces of the engine, such as the face of a piston, a turbine blade, or a nozzle.Examples include gasoline engines, diesel engines, gas-turbine engines, and rocket-pr...

## Internal combustion engines release?

Exhaust, which is made up of different carbon compounds such as co2, co, ect.

## Difference between internal combustion engines and external combustion engines?

In an Internal Combustion Engine, the fuel is burned in the cylinder or vessel. Eg. Diesel or Petrol engine used in Cars.

## What is internal and external combustion engines?

In an external combustion engine, the fuel isn't burned inside the engine.External engines have a working fluid that is heated by the fuel.Internal combustion engines rely on the explosive power of the fuel within the engine to produce work.

## When was the internal combustion engine?

The first commercially successful internal combustion engine was created by Étienne Lenoir around 1859 and the first modern internal combustion engine was created in 1876 by Nikolaus Otto (see Otto engine).

Nikolaus Otto

## How does compression ratio affect engine power?

An engine limits power by reducing the intake of fuel and air to an engine; if only half the fuel and air is entering a piston, the compression ratio is effectively halved as well.

## Who built the first internal combustion engine?

Samuel Brown was the first to patent the internal combustion engine in 1823, but if you want to get technical, a rocket engine qualifies as a internal combustion engine which was invented in the 13th century used by the Chinese, Mongols and Arabs.François Isaac de Rivaz built an internal combusti...

## What are the differences of internal combustion and gasoline engine?

and internal combustion engine and a gasoline engine are the same thing.

## What are the two basic types of internal combustion engines?

After combustion of fuel, much heat energy is generated, this is converted into mechanical energy.There are two types of IC engines: rotary and reciprocating engines.In rotary engines, a rotor rotates inside the engine to produce power.

## Is electric car an internal combustion engine or is the a different type of engine?

An electric car is powered by a large electric motor. This motor is powered by the use of magnets in a coil inside the motor. When electric current is run through the motor, the drive shaft spins. This type of motor has an advantage over internal combustion engines because it offers all its torqu...

## Which engine has highest compression ratio?

the diesel engine.it takes one ignition to start, then it runs off of (autoignition) ignition from heat caused by high compression.compression ignition (autoignition) causes ignition to happen a little earlier than spark ignition engines (gas engines) which is less vulnerable to risk of engine kn...

## Internal-combustion 4 cylinder engine?

I own two that still run

## Who created internal combustion engine?

Dr R Diesel in 1892, A German engineer, Brent

## Is a lawnmower an internal combustion engine?

If the lawnmower is not electric powered then is is probably operated by an internal combustion engine (petrol or diesel.Oddly enough, very early lawnmowers were steam powered, which means they were examples of external combustion engines.

## What is the most important difference between an internal combustion engine and an external combustion engine?

in internal combustion engine combustion happens internally in cylinder and in external combustion engine combustion happens externally in boiler

## What is the method of operation of the internal combustion engine?

Not entirely sure what you mean by this, but the punch line of an internal combustion gasoline engine is each cylinder at different times draw in a mixture of fuel and air (down stroke, think of how a straw works, drawing your tongue back creates a vacuum, which then sends fluid up the straw). Th...

## Who made the internal combustion engine?

If you mean who made the first combustion engine, i have no idea, but the first Four-Stroke engine was made by Nikolaus Otto.

## Why was the internal combustion engine important?

The internal-combustion engine offers a relatively small, lightweight source for the amount of power it produces.An important device based on the internal-combustion engine is the automobile.In all internal-combustion engines, however, the basic principles remain the same.Fuel is ignited in a cyl...

## How was the internal combustion engine invented?

1807: Swiss engineer François Isaac de Rivaz built an internal combustion engine powered by a hydrogen and oxygen mixture, and ignited by electric spark.(See 1780s: Alessandro Volta above.) 1823: Samuel Brown patented the first internal combustion engine to be applied industrially, the gas vacuum...

Nikolaus Otto

## What is the ideal compression ratio?

Compression ratios usually range from 8:1 to 10:1.A higher compression ratio -- say, from 12:1 to 14:1 -- means higher combustion efficiency.Higher compression ratios and combustion efficiency mean more power with less fuel, and fewer exhaust gases.

## Why is the compression ratio of a spark ignition engine limited to about 9.51?

So the engine can run on regular 87 octane gasoline.

## What is the difference between the Internal combustion and the External combustion engine?

In an Internal Combustion Engine, the Fuel is burnt in the cylinder or vessel eg. Diesel or Petrol engine used in Cars.Gasoline engines, Wankel engines, diesels, gas turbines are all examples of internal combustion.In an External Combustion Engine, the internal working fuel is not burnt. Here the...

## What is the difference between internal and external combustion engines?

The only external combustion engine I can think of would be a steam engine. I suppose subway trains could be considered external since they receive electrical power from outside to run the electric motors.

## What is the difference between internal combustion engine and external combustion engine?

An internal combustion engine burns the fuel inside the engine itself, i.e. gasoline burning in the cylinders.An external combustion burns the fuel outside the engine, i.e a steam engine on a locomotive.

## Is a boiler an internal combustion engine?

No because there isn't any combustion happing inside the boiler the water is heated by an external flame and boils the water.

## What is an internal-combustion engine?

An internal combustion engine is an engine that uses air, fuel, and spark to create the power to move. A perfect air-fuel mixture is pulled into the cumbustion chamber, its compressed by the piston, and once its compressed the spark plug ignites the air-fuel mixture and the process is completed.

## How efficient is an internal combustion engine?

Gasoline (petrol) engines Modern gasoline engines have a maximum thermal efficiency of about 25% to 50% when used to power a car.At high speeds, efficiency in both types of engine is reduced by pumping and mechanical frictional losses, and the shorter period within which combustion has to take p...

## Comparison between internal combustion engines and external combustion engines?

Internal engine has its energy ignited in the cylinder. like 99.9% of engines todayAn external combustion example is a steam engine where the heating prosses is done in an boiler out side the engine.

## What is meant by the term internal combustion engine?

An internal combustion engine is where the pistons open up, gas goes in them and then they close. The pressure causes an explosive reaction from the gas. That reaction moves the piston up and down. The piston is connected to the transmission and drive train. The transmission is connected to the w...

## What is the difference between external and internal combustion engines?

In an external combustion engine, the fuel isn't burned inside the engine.External engines have a working fluid that is heated by the fuel.Internal combustion engines rely on the explosive power of the fuel within the engine to produce work.

## Why was the internal combustion engine created?

The first person to experiment with an internal-combustion engine was the Dutch physicist Christian Huygens, about 1680.But no effective gasoline-powered engine was developed until 1859, when the French engineer J.J.Étienne Lenoir built a double-acting, spark-ignition engine that could be operate...

Nikolaus Otto

## What did the internal combustion engine do?

Internal-combustion engine, any of a group of devices in which the reactants of combustion (oxidizer and fuel) and the products of combustion serve as the working fluids of the engine.Such an engine gains its energy from heat released during the combustion of the nonreacted working fluids, the ox...

## What is the most efficient internal combustion engine?

It is the most efficient and powerful internal combustion engine in the world with a thermal efficiency over 50%.” “Gas Turbines are among the most efficient internal combustion engines.The General Electric 7HA and 9HA turbine combined cycle electrical plants are rated at over 61% efficiency.”

## What is the compression psi of a compression ratio of 16.2?

There is no direct connection between compression ratio and pressure. Ratio is a mathematical calculation of the cylinder volume from bottom center to top center. Actual cylinder pressure will depend on the volumetric efficiency of the engine. Factors the affect volumetric efficiency include rpm,...

## Is higher compression ratio better?

Automotive engineers can improve fuel efficiency and fuel economy by designing engines with high compression ratios.The higher the ratio, the more compressed the air in the cylinder is.It's the same thing with compression ratios.By keeping the explosion in a smaller space, more of its power can b...

## Why is a car engine an internal combustion engine rather than an external combustion engine?

Because it was found that ICEs deliver power more simply and weigh less than ECEs.