Dear All,
I want to calculate volume of a pipe line (other than physical measurement) connected at the outlet of Known volume air receiver filled with Compressed Air. With what approach should I proceed??
Regards,
Harshad Katre
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Posted 01 August 2014 - 06:31 AM
Dear All,
I want to calculate volume of a pipe line (other than physical measurement) connected at the outlet of Known volume air receiver filled with Compressed Air. With what approach should I proceed??
Regards,
Harshad Katre
Posted 01 August 2014 - 06:38 AM
Hi,
Having internal diameter and length of each segment you can calculate the volume of that segment and then summin up the segments volumes...!
Posted 04 August 2014 - 11:20 PM
Thanks Sir!!
But how can I calculate it without physical measurement of length pf pipe and diameter??
I think direct answer may be complex but direction of approach will guide me to calculate.
Thanks and Regards,
Harshad Katre
Edited by harshad katre, 04 August 2014 - 11:21 PM.
Posted 04 August 2014 - 11:34 PM
Hi ,
Do you have valves at the outlet of your system ? If yes ?
consider 2 systems : initial state : volume of the receiver : final state :volume of receiver and pipes .
Apply the mass conservation principle .
my 2 cents
Breizh
Posted 05 August 2014 - 01:14 AM
Hi,
Is the system in operation? If so, you cannot calculate without physical measurement...if not it might you can, but we don't know about your available facilities for volume estimation...
Posted 05 August 2014 - 08:41 AM
there must be some isometric drawing or a model for the air network that you can use. Or use a plot plan for the location and distance of the equipment or valves that uses air from the header or sub header. you cant make accurate measurement through this approach though, but you may include some margin.
Posted 05 August 2014 - 11:34 AM
This query sounds like nothing more than a basic student problem to test the student's knowledge or ability to apply the gas laws.
If the student has correctly communicated the problem, then I agree with Breizh. The simple application of the conservation of mass together with the gas law applied to the air receiver itself before and after it is allowed to fill the piping network will give the answer when one knows the initial and final conditions of pressure and temperature.
Posted 13 August 2014 - 02:16 AM
Dear All,
Thanks for your answers.
I have applied mass conservation law as you said but we are not considering mass of air inside that unknown pipe volume which is at atmopsheric pressure.
Kindly reply.
Regards,
Harshad Katre
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