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You can calculate the pressure of any gas in an enclosed space provided you know the number of moles of gas (or can calculate the number of moles), the volume of the space and the temperature of the gas. The equation is:
PV=nRT
P is the pressure, which is what you are calculating.
V is the volume, which you need to know or to calculate from the dimensions of the piston.
n is the number of moles of the gas, which you need to know
R is the gas law constant; depending upon the units for the other four numbers, you can look this number up on the internet
T is the temperature of the gas, which needs to be in Kelvin for the equation to work
Wiki User
∙ 11y ago
Wiki User
∙ 13y agoThe mass of compressed natural gas is not related to pressure. If you learn about the ideal gas laws you will see that pressure is related to two other variables, which are temperature and volume. The higher the temperature, the greater the pressure, and the smaller the volume into which a given quantity of gas is contained, the greater the pressure. Mass is not relevant, because any mass of a gas, whether from one microgram to a billion tons, can exist at any pressure, depending upon the variables of temperature and volume.
Wiki User
∙ 16y agoUse the formula: Pressure = Force / Area
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How do you calculate force for hydraulics?
You get the force exerted by a hydraulic piston by taking the pressure times the surface area of the piston.
How do you calculate which size cylinder bore is required for a hydraulic power pack?
First you need to know what force is required. The pressure the cylinder is going to work at. From this you can wok out the area of the piston and then the diameter of the piston. Force = Pressure x Area
What physically causes gas pressure and how can you increase the pressure of gas?
Gas pressure is caused by the gas molecules moving back and forth.You can increase the gas pressure by putting gas into a container with hard walls, i.e. not flexible as in a balloon, and doing one or more of the following:Increasing the amount of gas (pumping gas in)Increasing the temperatureReducing the volume (as in a piston)For more details, read about the "ideal gas law".
What measures the force of compression?
To measure a force, depends on how the force is applied. For example if it is a piston rod actuated by a piston, you can measure the pressure inside the cylinder containing the piston, this may be filled with gas or liquid, and calculate the force from the area of the piston/cylinder. If it is a lever system, work out the mechanical advantage of the levers and multiply by the actuating force, probably obtained as above. You can also measure force directly using a strain gauge between the applying force and the object.
How is the secondary piston actuated if hydraulic pressure is lost in the primary circuit?
Mechanical pressure from the primary piston
How much pressure on piston in gas engine I need to know the force applied to the piston during the explosion Better yet how to calculate the force?
see this link for your answer: http://www.springerlink.com/content/w28682230813211l/
How do you make a simple hydraulic?
Take a tube, put a piston in it, seal off both ends of the tube, and use a liquid, or gas to put pressure in and remove pressure from the tube. As the fluid or gas goes in the tube, the pressure pushes the piston out. As the pressure is released, the piston can recede.
How do you calculate force for hydraulics?
You get the force exerted by a hydraulic piston by taking the pressure times the surface area of the piston.
If i have 5.6liters of gas in a piston at a pressure of 1.5 ATM and compress the gas volume is 4.8L what will the new pressure be?
1.75 atm
Why piston rings are too loos on piston?
gas pressure has to get round the back of the ring to force it against the cylinder wall
Is the pressure of a gas or external pressure used when calculating the work done by a gas?
The pressure of the gas is used. Newton's third law requires that the pressure exerted by a gas is equal to the pressure exerted on a gas.You might be wondering, then, how it is possible for the internal pressure to be different from the external pressure. In fact, the difference will be made up for by the piston moving between them. Since we must assume (to avoid infinite accelerations) that there is a piston of finite mass intervening between the two gases, the excess work done (due to the difference in pressures) will go into the kinetic energy of the piston.
Is piston cylinder process is constant pressure process or constan volume process?
A piston cylinder process actually includes two processes. The gas inside the piston undergoes both the constant pressure process and the contant volume process.
If the volume of a cylinder-piston arrangement containing a gas is increased by a factor of eight and the temperature is doubled the pressure inside the piston will by a factor of?
Decrease, 4
A piston in an engine compresses the gas into a small volume What is the pressure?
The pressure is higher than it was at first. A measurement cannot be given from these details.
How do you calculate which size cylinder bore is required for a hydraulic power pack?
First you need to know what force is required. The pressure the cylinder is going to work at. From this you can wok out the area of the piston and then the diameter of the piston. Force = Pressure x Area
How do you calculate injection pressure from product before injection molding?
By deviding the multification of line pressure and screw dia with the crosssectional area of hydralic cylinder piston.
The temperature of an ideal gas in a 5.00L container at 1atm pressure and 25degree is lowered to 220k calculate the new pressure of the gas?
0.738
