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Thread: Ideal Gas Law….?

  1. #1
    Associate Engineer
    Join Date
    Oct 2019
    Posts
    1

    Ideal Gas Law….?

    Hi

    I am working with an inert atmosphere tube furnace that uses hydrogen gas.
    There is a constant flow rate of hydrogen and I am wondering how to calculate how long a cylinder of hydrogen will last.

    Cylinder= 100 Liters
    Flow rate= 20 cubic feet / hour
    Temperature in furnace= 1300 C

    Is this all of the information I need to calculate how long the cylinder of gas will last flowing at 20 cubic feet per hour?
    I appreciate the help

  2. #2
    Principle Engineer
    Join Date
    May 2015
    Posts
    214
    you need the volume and pressure in the cylinder.

    Is the H2 burnt off at ambient pressure? Use the PV ratio for your approximation.

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