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Process control basics

Date post: 30-May-2018
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    Watt Governor

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    Process personality

    Resistances, Capacitance & dead-time

    elementsDynamic function

    Block diagram

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    Flow is linearly proportional to pressure drop

    process is characterized by steady-state gain equals the

    resistance

    Input flow = m changes from 0 to m

    Output head = c changes instantaneously from 0 to c = Rm

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    Laminar Flow

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    Turbulent flow

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