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  2. Flow coefficient - Wikipedia

    en.wikipedia.org/wiki/Flow_coefficient

    In more practical terms, the flow coefficient C v is the volume (in US gallons) of water at 60 °F (16 °C) that will flow per minute through a valve with a pressure drop of 1 psi (6.9 kPa) across the valve. The use of the flow coefficient offers a standard method of comparing valve capacities and sizing valves for specific applications that is ...

  3. Control valve - Wikipedia

    en.wikipedia.org/wiki/Control_valve

    A control valve is a valve used to control fluid flow by varying the size of the flow passage as directed by a signal from a controller. [1] This enables the direct control of flow rate and the consequential control of process quantities such as pressure , temperature , and liquid level.

  4. Flow measurement - Wikipedia

    en.wikipedia.org/wiki/Flow_measurement

    This depth is converted to a flow rate according to a theoretical formula of the form = where is the flow rate, is a constant, is the water level, and is an exponent which varies with the device used; or it is converted according to empirically derived level/flow data points (a "flow curve"). The flow rate can then be integrated over time into ...

  5. Mass flow rate - Wikipedia

    en.wikipedia.org/wiki/Mass_flow_rate

    The area required to calculate the mass flow rate is real or imaginary, flat or curved, either as a cross-sectional area or a surface, e.g. for substances passing through a filter or a membrane, the real surface is the (generally curved) surface area of the filter, macroscopically - ignoring the area spanned by the holes in the filter/membrane ...

  6. Winners, losers of Bill Belichick becoming new North Carolina ...

    www.aol.com/winners-losers-bill-belichick...

    Bill Belichick is leaving the NFL world for the college ranks as he becomes North Carolina's new head football coach. Who won or lost in the move?

  7. Netanyahu says he spoke with Trump about need for ‘victory ...

    www.aol.com/news/netanyahu-says-spoke-trump...

    Israeli Prime Minister Benjamin Netanyahu said Sunday that he had a “very warm” phone call with US President-elect Donald Trump, during which they spoke about the need for Israel’s victory ...

  8. 10 of the best Trader Joe's products for a holiday party ...

    www.aol.com/10-best-trader-joes-products...

    MLB free agency: Why some teams haven’t done much yet this winter. Sports. CNN Sports. 5-ish things to watch in the first round of the College Football Playoff. Weather. Weather. AccuWeather.

  9. Flow (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Flow_(mathematics)

    In mathematics, a flow formalizes the idea of the motion of particles in a fluid. Flows are ubiquitous in science, including engineering and physics. The notion of flow is basic to the study of ordinary differential equations. Informally, a flow may be viewed as a continuous motion of points over time.