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  2. TIA-569-B - Wikipedia

    en.wikipedia.org/wiki/TIA-569-B

    Fill capacity is provided for furniture systems. Fill capacity is provided for perimeter raceways. Design requirements for poke-thru fittings. Access floor heights are adjusted. In-floor systems include underfloor duct and cellular raceways. Pathway fill is provided for cable tray. A discussion of telecommunications diversity has been added.

  3. Manning formula - Wikipedia

    en.wikipedia.org/wiki/Manning_formula

    The Manning formula or Manning's equation is an empirical formula estimating the average velocity of a liquid in an open channel flow (flowing in a conduit that does not completely enclose the liquid).

  4. Belden Incorporated - Wikipedia

    en.wikipedia.org/wiki/Belden_Incorporated

    Belden is a global, publicly traded company specializing in the design, manufacture, and distribution of end-to-end networking, security and connectivity products. [1] The company serves the Industrial Automation Solutions, Smart Buildings and Broadband & 5G markets.

  5. Electrical conduit - Wikipedia

    en.wikipedia.org/wiki/Electrical_conduit

    Galvanized rigid conduit (GRC) is galvanized steel tubing, with a tubing wall that is thick enough to allow it to be threaded. Its common applications are in commercial and industrial construction. [1] It is designed to protect wire and connectors. Intermediate metal conduit (IMC) is a steel tubing heavier than EMT but lighter than RMC. It may ...

  6. Pipe flow - Wikipedia

    en.wikipedia.org/wiki/Pipe_flow

    In fluid mechanics, pipe flow is a type of fluid flow within a closed conduit, such as a pipe, duct or tube. It is also called as Internal flow. [1] The other type of flow within a conduit is open channel flow. These two types of flow are similar in many ways, but differ in one important aspect.

  7. List of IEC standards - Wikipedia

    en.wikipedia.org/wiki/List_of_IEC_standards

    IEC 60205 Calculation of the effective parameters of magnetic piece parts; IEC 60211 Maximum demand indicators, Class 1.0; IEC 60212 Standard conditions for use prior to and during the testing of solid electrical insulating materials; IEC 60214 Tap-changers; IEC 60215 Safety requirements for radio transmitting equipment

  8. Flow measurement - Wikipedia

    en.wikipedia.org/wiki/Flow_measurement

    The Dall tube is a shortened version of a Venturi meter, with a lower pressure drop than an orifice plate. As with these flowmeters the flow rate in a Dall tube is determined by measuring the pressure drop caused by restriction in the conduit. The pressure differential is typically measured using diaphragm pressure transducers with digital readout.

  9. Open-channel flow - Wikipedia

    en.wikipedia.org/wiki/Open-channel_flow

    [1] [2] The other type of flow within a conduit is pipe flow. These two types of flow are similar in many ways but differ in one important respect: open-channel flow has a free surface, whereas pipe flow does not, resulting in flow dominated by gravity but not hydraulic pressure .