**JUST PART C PLEASE** The pressure in a pipeline that transports helium gas at a rate of 5 lbm/s is maintained at 14.7 psia by venting helium to the atmosphere through a 0.25-inch internal diameter vertical tube that extends10 ft into the air. Helium and atmospheric air are at 60F. The diffusion coefficient for a mixture of helium with air is 2.79 ft2/h at 77oF. Assume the mole fraction of helium in the atmosphere is negligible, and the mole fraction of air in the helium pipeline is negligible. Determine the following: (a) The mass flow rate of helium flowing to the atmosphere through the tube. (b) The mass flow rate of air that infiltrates into the pipeline. (c) The net mass flow rate in the vertical tube.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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**JUST PART C PLEASE**

The pressure in a pipeline that transports helium gas at a rate of 5 lbm/s is maintained at 14.7 psia by venting helium to the atmosphere through a 0.25-inch internal diameter vertical tube that extends10 ft into the air. Helium and atmospheric air are at 60F. The diffusion coefficient for a mixture of helium with air is 2.79 ft2/h at 77oF. Assume the mole fraction of helium in the atmosphere is negligible, and the mole fraction of air in the helium pipeline is negligible.


Determine the following:
(a) The mass flow rate of helium flowing to the atmosphere through the tube.
(b) The mass flow rate of air that infiltrates into the pipeline.
(c) The net mass flow rate in the vertical tube.

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