answersLogoWhite

0


Best Answer

The lowest compression ratio of a compression-ignition engine that allows a specific fuel to be ignited by compression ignition.

User Avatar

Wiki User

11y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: What is a critical compression ratio?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Continue Learning about Engineering

What is the compression-ventilation ratio for a lone rescuer?

30 compression and 2 ventilation


Compression ratio of the internal combustion engine is defined as?

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.


What is the value of Poisson's ratio of wood?

Poisson's ratio is the negative ratio of how compression affects distortion. When an object is compressed in one direction it expands in two directions perpendicular to the direction of compression. The ratio is equal to d(transverse strain)/d(axial strain).


Why is dynamic compression ratio so important to engine durability?

Dynamic compression ratio is important to engine durability by ensuring its compatibility with a specific cam and octane. A higher ratio means the engine derives optimal mechanical energy from an air-fuel mixture.


What is the difference between modulus of compression and bulk modulus and some special for compression?

Modulus of Compression is the ratio of stress to strain in an uniaxial compression action, while as, bulk modulus is the ratio of volumetric stress (hydrostatic pressure) to volumetric strain in hydrostatic loading. These two modulii are inter-related though and are written with the use of Poisson's ratio. 1/m = (3K-E)/6K 1/m = Poisson ratio K = Bulk Modulus E = Elastic Modulus Satisfied? - tell others, not satisfied? - tell me.

Related questions

What is the compression ratio to a Toyosha 142ci motor?

23:1 compression ratio


What is the highest compression ratio?

Compression ratio simply means the difference in size of the original vs compressed unit. Compression ratio is a commonly used term for internal combustion engine piston/cylinder compression and file compression. Ratios differ depending on the type of engine or the type of file being compressed. In file compression, 7zip has the highest compression ratio.


What is the compression ratio of NASCAR engines?

The compression ratio for NASCAR engines is limited to 12.0:1.


Compression ratio for 95 v6 mustang?

The compression ratio for the 1995 Mustang is: 9.0:1


How to calculate Compression ratio for an image?

compression ratio=uncompressed image size/compressed size


How do you calculate compression ratio?

compression ratio = compressed size / uncompressed size the ratio should be between 1 and 0 (multiply with 100 to get the ratio in percent) a ratio greater than 1 means, the compressed size is actually greater than the uncompressed size a ratio just below 1 means bad compression the lower the ratio, the better the compression


What is the compression ratio on a 2006 wrx sti?

8.4:1 is the compression ratio for 04-07 STi's.


What is compression ratio in air compressor?

The compression ratio is simply the ratio of the absolute stage discharge pressure to the absolute stage suction pressure.


What is the compression ratio of 600 PSI?

"600 psi" is not a compression ratio; it's a pressure. For a RATIO, you need to compare TWO different numbers.


Is theoretical compression ratio equal to actual compression ratio for an SI engine?

No, because there is always some leakage.


What does 5.11 stand for in compression ratio?

Nothing. Compression ratio is usually displayed as 9:1, or 9 to 1.


V engine Compression ratio?

The compression ratio of engines is a value that demonstrates or shows the ratio of the volume of its combustion chamber from its largest capacity to its smallest capacity.