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  2. Volumetric flow rate - Wikipedia

    en.wikipedia.org/wiki/Volumetric_flow_rate

    In most contexts a mention of rate of fluid flow is likely to refer to the volumetric rate. In hydrometry, the volumetric flow rate is known as discharge. Volumetric flow rate should not be confused with volumetric flux, as defined by Darcy's law and represented by the symbol q, with units of m 3 /(m 2 ·s), that is, m·s −1. The integration ...

  3. 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 ...

  4. Cross-linked polyethylene - Wikipedia

    en.wikipedia.org/wiki/Cross-linked_polyethylene

    A cross-linked polyethylene (PEX) pipe. Cross-linked polyethylene, commonly abbreviated PEX, XPE or XLPE, is a form of polyethylene with cross-links.It is used predominantly in building services pipework systems, hydronic radiant heating and cooling systems, domestic water piping, insulation for high tension (high voltage) electrical cables, and baby play mats.

  5. Uponor - Wikipedia

    en.wikipedia.org/wiki/Uponor

    Uponor Infra [9] is the result of a merger between Uponor Infrastructure and KWH Pipe whose products are used in new and rehabilitation infrastructure projects associated with water and wastewater piping, storm-water management, gas distribution, culvert reline and slip lining.

  6. Flow coefficient - Wikipedia

    en.wikipedia.org/wiki/Flow_coefficient

    It describes the relationship between the pressure drop across an orifice valve or other assembly and the corresponding flow rate. Mathematically the flow coefficient C v (or flow-capacity rating of valve) can be expressed as =, where Q is the rate of flow (expressed in US gallons per minute), SG is the specific gravity of the fluid (for water ...

  7. GPM - Wikipedia

    en.wikipedia.org/wiki/GPM

    GPM may refer to: GPM (software), software providing support for mouse devices in Linux virtual consoles; Graphical path method, a mathematically based algorithm used in project management; Gallons per minute, a unit of volumetric flow rate; Gallons per mile, a unit of fuel efficiency; Gaurela-Pendra-Marwahi district, Chhattisgarh, India

  8. Darcy–Weisbach equation - Wikipedia

    en.wikipedia.org/wiki/Darcy–Weisbach_equation

    Most charts or tables indicate the type of friction factor, or at least provide the formula for the friction factor with laminar flow. If the formula for laminar flow is f = ⁠ 16 / Re ⁠, it is the Fanning factor f, and if the formula for laminar flow is f D = ⁠ 64 / Re ⁠, it is the Darcy–Weisbach factor f D.

  9. K-factor (fire protection) - Wikipedia

    en.wikipedia.org/wiki/K-factor_(fire_protection)

    In fire protection engineering, the K-factor formula is used to calculate the volumetric flow rate from a nozzle. Spray nozzles can for example be fire sprinklers or water mist nozzles, hose reel nozzles, water monitors and deluge fire system nozzles.

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