Filling small compressed air bottle with a big one

In summary, the process for filling a small compressed air bottle with a big one involves connecting the two bottles with a high-pressure hose and using a compressed air source to transfer air from the larger bottle to the smaller one. The maximum pressure that can be safely used for this process depends on the size and material of the bottles and it is important to follow the manufacturer's recommendations. Not all types of compressed air bottles are suitable for this process and only bottles with compatible fittings and pressure ratings should be used. It is necessary to release the pressure in the smaller bottle before filling it with air from the larger bottle to prevent overfilling. Safety precautions such as wearing appropriate personal protective equipment, using proper tools and equipment, and properly securing the bottles should be
  • #1
khoopes01
10
0
How can I figure the pressure in a 80 cubic inch tank at 0 psi being refilled
with a 8000 cubic inch tank with a pressure of 3600 psi?
 
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  • #2
- The total system volume before and after filling stays the same
- The total mass of gas before and after filling stays the same
- The pressures in the two vessels will equalise

Does this help?
 
  • #3


To determine the pressure in the 80 cubic inch tank, we can use the ideal gas law equation, which states that pressure (P) is equal to the number of moles (n) of gas multiplied by the gas constant (R) and the temperature (T), divided by the volume (V) of the container. Mathematically, this can be written as P = (nRT)/V.

In this scenario, we know that the temperature and gas constant will remain constant. Therefore, we can rearrange the equation to solve for the number of moles of gas in the 80 cubic inch tank. This can be written as n = (PV)/(RT).

Using the given values, we can plug in 0 psi for the pressure, 80 cubic inches for the volume, 3600 psi for the pressure of the 8000 cubic inch tank, and the appropriate gas constant for the gas being used. By solving for n, we can determine the number of moles of gas in the 80 cubic inch tank.

Once we have the number of moles, we can then use the ideal gas law equation again to calculate the pressure in the 80 cubic inch tank. This time, we will use the known volume and temperature, and the calculated number of moles. This will give us the pressure in the 80 cubic inch tank after being refilled with the 8000 cubic inch tank.

It is important to note that this calculation assumes that the gas being used is an ideal gas, which may not be the case in all scenarios. Additionally, it is important to follow proper safety protocols when handling compressed gas cylinders.
 

What is the process for filling a small compressed air bottle with a big one?

The process for filling a small compressed air bottle with a big one involves connecting the two bottles with a high-pressure hose and using a compressed air source to transfer air from the larger bottle to the smaller one.

What is the maximum pressure that can be safely used for this process?

The maximum pressure that can be safely used for filling a small compressed air bottle with a big one depends on the size and material of the bottles. It is important to follow the manufacturer's recommendations and not exceed the maximum pressure limit to avoid potential safety hazards.

Can any type of compressed air bottle be used for this process?

No, not all types of compressed air bottles are suitable for this process. Only bottles with compatible fittings and pressure ratings should be used to ensure a safe and successful transfer of air.

Is it necessary to release the pressure in the smaller bottle before filling?

Yes, it is important to release any remaining pressure in the smaller bottle before filling it with air from the larger bottle. This will prevent potential overfilling and ensure a more accurate transfer of air.

Are there any safety precautions to keep in mind when filling a small compressed air bottle with a big one?

Yes, it is important to wear appropriate personal protective equipment and follow all safety guidelines when performing this process. This includes using proper tools and equipment, checking for leaks, and properly securing the bottles during the transfer of air.

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