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What is the different between centrifugal and positive displacement compressor?
compressor work on two principles 1)reduce volume of a constant amount of gas 2)adding more gas in a constant amount of volume positive displacement compressor works on first principle it reduces the volume of gas by applying force on it but gas amount is constant in every stroke or rotation thus increasing the pressure. centrifugal compressor work on second principle it adds more amount of gas in a given constant volume thus the pressure increase.
What is a stirling engine?
The Stirling engine was invented by Reverend Dr. Robert Stirling and patented by him in 1816.It is an engine that gets it's power from the movement of heat energy from a hot place to a cold place. It consists of two cylinders, the first one is called the displacement cylinder and the second one is the power cylinder.The displacement cylinder has two sections, a hot section and a cold section, the piston in the displacement cylinder is a loose fit so that air or gas can pass by when it is moving, the purpose of this piston is to move the air or gas from the hot section to the cold section and back to the hot section hence "displacing it".Second is the power cylinder containing a double acting piston that is connected to a crankshaft fitted with a fly wheel.When the displacing piston moves to the cold part of the cylinder, the largest volume of air or gas is in the hot part of the displacement cylinder, where it will heat up and expand to a higher volume and push the power piston outwards, when the displacement piston moves to the hot side of the cylinder the air or gas moves over to the cold side of the cylinder, where it will cool down and shrink to a smaller volume and form a vacuum that sucks the power piston in the opposite direction.
What are the function of valve in gas compressor?
a gas compressor is a device that increases pressure and reduces its volume
What is the difference between centrifugal compressor and screw compressors?
A rotary compressor is like a car engine, with pistons, rods, sleeves, valves, etc. A screw compressor has two screw type rotating parts that squeeze the refrigerant as the screw threads get tighter and tighter. They have long life potential.
What is the clearance volume of petrol engine?
The volume occupied by the cylinder when the piston is at top dead centre is called clearence valume.
Why reciprocating compressor is called positive displacement compressor?
A reciprocating compressor is called a positive displacement compressor because it works by trapping a volume of gas and then reducing the volume to increase the pressure. This process ensures a constant flow rate and is based on the principle of displacing a fixed amount of gas with each stroke of the piston, hence the term "positive displacement."
What is the volume of a piston engine cylinders?
Displacement
What is meant by cc of the engine?
iti s volume occupied by displacement of d piston cc is d volume occupied by displacement of d piston
What is the difference between stroke volume and swept volume in air compressor?
Stroke volume refers to the volume of air that is displaced or compressed by the piston in a single stroke. Swept volume, on the other hand, refers to the total volume that is displaced by the piston over the entire displacement cycle, including the clearance volume. In summary, stroke volume is the volume displaced in one stroke, while swept volume is the total volume displaced throughout the entire cycle.
What do you mean by cc in compressor?
In the context of a compressor, "cc" typically refers to the displacement volume of the compressor's cylinders, measured in cubic centimeters (cc). This value represents the total volume swept by the piston in the compressor during one complete cycle. It is a crucial factor in determining the compressor's capacity and efficiency, as a higher cc value generally indicates a larger compressor with greater output potential.
What is cc mean on a snowblower?
cubic centimeter displacement (the volume that the piston displaces in the cylinder)
What is cc in the refrigeration compressor?
CC= Cubic centimeter= cube C^3= volume of refrigerant vapor displaced by compressor piston.
What is a positive displacement air compressor?
An air compressor which is used to compress air in a cylinder, that is reducing the volume and increasing the pressure of air is known as positive displacement air compressor. It is used for the compression process in IC engines.
What does cdi mean on a car?
Cubic displacement inches (the volume in inches displaced by the piston/s).
How do you calculate clearance volume in a car?
Clearance volume in a car engine is calculated by determining the volume of the combustion chamber when the piston is at the top dead center (TDC). To find it, you can use the formula: Clearance Volume = Total Cylinder Volume - Displacement Volume. The total cylinder volume is the volume of the cylinder when the piston is at the bottom dead center (BDC), while the displacement volume is the volume displaced by the piston as it moves from TDC to BDC. This calculation helps in understanding the engine's compression ratio and efficiency.
What is compressor head as it relates to discharge pressure?
the head doesnt effect the output pressure of a compressor package but the size of the piston and the amount of clearence and volume between the piston and head changes your output psi
The clearance ratio for a single stage compressor?
The clearance ratio for a single stage compressor is the ratio of the volume clearance at the end of the suction stroke to the volume displaced by the piston during the compression stroke. It is important to minimize clearance ratio to improve compressor efficiency. A lower clearance ratio indicates less trapped volume and better performance of the compressor.
