Hello sir/madam, can you please explain me how to calculate the volume of compressed hydrogen gas filled in a cylinder.
From India, undefined
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To find the volume of gas available from a compressed gas cylinder, apply the Ideal Gas Law (PV = nRT). In a high-pressure cylinder, the volume will be affected by the content's comprehensibility factor Z (PV = ZnRT). The Ideal Gas Law PV = nRT.
Where:
P is pressure
V is volume
n is the number of moles
R is the gas constant
T is the absolute temperature
When the temperature is kept constant, we can derive the equation:
P(1) x V(1) = P(2) x V(2)
Where:
P(1) is the pressure of the compressed gas in the cylinder (psi)
V(1) is the internal volume of the cylinder, often referred to as water volume (liter)*
P(2) is the atmospheric pressure (1 atm - 14.7 psi)
V(2) is the volume of gas at pressure P(2) (liter).
For example, an AL sized cylinder is filled with nitrogen at 2000 psi. What is the gas volume of nitrogen from the cylinder?
P(1) is 2000 psi
V(1) is the internal volume of AL cylinder 29.5 liter*
P(2) is 14.7 psi
V(2) is the unknown volume of gas
Solving the equation above for V(2) gives:
V(2) = [P(1) x V(1)] / P(2) = (2000 psi x 29.5 liters) / 14.7 psi = 4013 liters (approximately 140 cu. ft.)
From India, Surat
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152Where:
P is pressure
V is volume
n is the number of moles
R is the gas constant
T is the absolute temperature
When the temperature is kept constant, we can derive the equation:
P(1) x V(1) = P(2) x V(2)
Where:
P(1) is the pressure of the compressed gas in the cylinder (psi)
V(1) is the internal volume of the cylinder, often referred to as water volume (liter)*
P(2) is the atmospheric pressure (1 atm - 14.7 psi)
V(2) is the volume of gas at pressure P(2) (liter).
For example, an AL sized cylinder is filled with nitrogen at 2000 psi. What is the gas volume of nitrogen from the cylinder?
P(1) is 2000 psi
V(1) is the internal volume of AL cylinder 29.5 liter*
P(2) is 14.7 psi
V(2) is the unknown volume of gas
Solving the equation above for V(2) gives:
V(2) = [P(1) x V(1)] / P(2) = (2000 psi x 29.5 liters) / 14.7 psi = 4013 liters (approximately 140 cu. ft.)
From India, Surat
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