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Thread: read the Roots Efficiency map

  1. #1
    Junior SCH Member
    Join Date
    Jan 2012
    Posts
    1

    read the Roots Efficiency map

    who can help me read this Roots Efficiency map as I am from Europe and don't know what do they mean by pressure. what unit is it? thank you
    http://www.eaton.com/ecm/groups/publ.../ct_128483.gif

  2. #2
    Junior SCH Member
    Join Date
    Sep 2008
    Posts
    35
    Where are you?

    The left axis is dimensionless; it is SC output pressure divided by SC inlet pressure.

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