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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. 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 ...

  5. 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 ...

  6. Piping and plumbing fitting - Wikipedia

    en.wikipedia.org/wiki/Piping_and_plumbing_fitting

    [18]: 61 [19] In addition, a well-designed system will often use two 45° elbows instead of one 90° elbow (even a sweep 90° elbow) to reduce flow disruption as much as possible. [ 18 ] : 61 Central vacuum system inlet fittings are intentionally designed with a tighter curvature radius than other bends in the system.

  7. Higher egg prices may extend far into 2025, and egg producers ...

    www.aol.com/finance/higher-egg-prices-may-extend...

    In its second quarter results, revenue increased 82% year over year to $954.7 million, soaring past Wall Street estimates of $751.5 million.. Net income for the quarter also came in higher at $219 ...

  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. 2016 Election: March 5 – The Huffington Post

    elections.huffingtonpost.com/2016/primaries/2016...

    March 5 U.S. live elections primary primaries caucus caucuses results

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