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  • Sphere tank calculations

    emad

    emad

    @emad-CYjXYS
    Updated: Jun 16, 2012
    Views: 1.1K
    hi my friends,
    i dont know how calculate the height of fluid within a spherical tank. liquid is a compressible fluid (vinil choloride monomer) and we have top and below pressure of tank. density of vcm: 906 kg/m3 and heigh of tank is 21.5 meter and max allowable 17.5 meter can filled
    (@ max 6.5 kg f/cm2) .
    also temprature is ambient(25 to 30 centigrad)
    who can help me?👎
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  • Ramani Aswath

    Member • Jun 16, 2012

    H = DelP/(Rho x g) where H is the head, DelP is the pressure difference between bottom and top, Rho the density and g the acceleration due to gravity at the place. All in consistent units.
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  • Ramani Aswath

    Member • Jun 16, 2012

    Vinyl Chloride Manomer Is a low boiling liquid. The liquid is incompressible.
    Quote:
    Storage
    Vinyl chloride is stored as a liquid. Often, the storage containers for the product VCM are high capacity spheres. The spheres have an inside sphere and an outside sphere. Several inches of empty space separate the inside sphere from the outside sphere. This void area between the spheres is purged with an inert gas such as nitrogen. As the nitrogen purge gas exits the void space it passes through an analyzer that is designed to detect if any vinyl chloride is leaking from the internal sphere. If vinyl chloride starts to leak from the internal sphere or if a fire is detected on the outside of the sphere then the contents of the sphere are automatically dumped into an emergency underground storage container.
    Endquote <a href="https://en.wikipedia.org/wiki/Vinyl_chloride" target="_blank" rel="nofollow noopener noreferrer">Vinyl Chloride</a>

    What was given above is true for tanks of any shape. However, quite often one is interested in the volume of liquid in a partially filled spherical tank. This is a bit more involved.

    This calculator is an easy way out:
    <a href="https://www.1728.org/sphetank.htm" target="_blank" rel="nofollow noopener noreferrer">Partially Filled Sphere Calculator</a>
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  • emad

    Member • Sep 11, 2012

    thanks
    emad.
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