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  2. Darcy friction factor formulae - Wikipedia

    en.wikipedia.org/wiki/Darcy_friction_factor_formulae

    In this article, the following conventions and definitions are to be understood: The Reynolds number Re is taken to be Re = V D / ν, where V is the mean velocity of fluid flow, D is the pipe diameter, and where ν is the kinematic viscosity μ / ρ, with μ the fluid's Dynamic viscosity, and ρ the fluid's density.

  3. Hazen–Williams equation - Wikipedia

    en.wikipedia.org/wiki/Hazen–Williams_equation

    A result of adjusting the exponents is that the value of C appears more like a constant over a wide range of the other parameters. [8] The conversion factor k was chosen so that the values for C were the same as in the Chézy formula for the typical hydraulic slope of S=0.001. [9] The value of k is 0.001 −0.04. [10]

  4. Darcy–Weisbach equation - Wikipedia

    en.wikipedia.org/wiki/Darcy–Weisbach_equation

    If the value of the friction factor is 0.064, then the Darcy friction factor is plotted in the Moody diagram. Note that the nonzero digits in 0.064 are the numerator in the formula for the laminar Darcy friction factor: f D = ⁠ 64 / Re ⁠. If the value of the friction factor is 0.016, then the Fanning friction factor is plotted in the Moody ...

  5. National pipe thread - Wikipedia

    en.wikipedia.org/wiki/National_pipe_thread

    pipe size Thread density Thread pitch P Hand-tight engagement [6] Effective thread [6] Overall length L 4 [6] Actual outside diameter D Tap drill; Length L 1 Turns Diameter E 1 Length L 2 Turns Diameter E 2; inch inch −1 inch mm inch inch inch inch inch inch mm inch mm 1 ⁄ 16: 27 0.03703704 0.9407 0.1600: 4.32: 0.28118 0.2611: 7.05: 0.2875 ...

  6. Piping and plumbing fitting - Wikipedia

    en.wikipedia.org/wiki/Piping_and_plumbing_fitting

    Swiss Fittings is legally protected the German Brand "Pressfittings aus Edelstahl" in the USA. [32] Press fittings of some major brands carry a plastic slip [clarification needed] around the sleeves on each end of the fitting which falls off when the fitting has been compressed. This allows for a simple identification whether a press fitting ...

  7. Colorado hands No. 2 UConn its second loss in 2 days at Maui ...

    www.aol.com/sports/colorado-hands-no-2-uconn...

    UConn had a last look at the basket following a timeout with 5.9 seconds remaining. But Hassan Diarra's go-ahead 3-point attempt clanged off the rim just before the final buzzer sounded.

  8. Seeing low-income consumers squeezed, retailers target $10 ...

    www.aol.com/news/seeing-low-income-consumers...

    Retailers including Target and Walmart are stocking shelves with more toys and gifts such as Barbies that cost less than $10 this holiday season, a strategy aimed at attracting cash-strapped shoppers.

  9. Street elbow - Wikipedia

    en.wikipedia.org/wiki/Street_elbow

    Street elbows are available with bend angles of 90°, 45°, and 22.5°. They can be used in many plumbing applications, including water supply, drainage, sewers, vents, central vacuum systems, compressed air and gas lines, heating and air conditioning, sump pump drains, and other locations where plumbing fittings would be used to join sections of pipe.