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  2. Darcy–Weisbach equation - Wikipedia

    en.wikipedia.org/wiki/Darcy–Weisbach_equation

    In laminar flow, friction loss arises from the transfer of momentum from the fluid in the center of the flow to the pipe wall via the viscosity of the fluid; no vortices are present in the flow. Note that the friction loss is insensitive to the pipe roughness height ε: the flow velocity in the neighborhood of the pipe wall is zero.

  3. Friction loss - Wikipedia

    en.wikipedia.org/wiki/Friction_loss

    The friction loss is customarily given as pressure loss for a given duct length, Δp / L, in units of (US) inches of water for 100 feet or (SI) kg / m 2 / s 2. For specific choices of duct material, and assuming air at standard temperature and pressure (STP), standard charts can be used to calculate the expected friction loss.

  4. Darcy friction factor formulae - Wikipedia

    en.wikipedia.org/wiki/Darcy_friction_factor_formulae

    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. The pipe's relative roughness ε / D, where ε is the pipe's effective roughness height and D the pipe ...

  5. Minor losses in pipe flow - Wikipedia

    en.wikipedia.org/wiki/Minor_Losses_in_pipe_flow

    Minor losses in pipe flow are a major part in calculating the flow, pressure, or energy reduction in piping systems. Liquid moving through pipes carries momentum and energy due to the forces acting upon it such as pressure and gravity.

  6. Pipe network analysis - Wikipedia

    en.wikipedia.org/wiki/Pipe_network_analysis

    Once the friction factors of the pipes are obtained (or calculated from pipe friction laws such as the Darcy-Weisbach equation), we can consider how to calculate the flow rates and head losses on the network. Generally the head losses (potential differences) at each node are neglected, and a solution is sought for the steady-state flows on the ...

  7. 35 Easy Soup Recipes For When You're Shifting Into ... - AOL

    www.aol.com/35-easy-soup-recipes-youre-005100157...

    Thai Peanut Noodle Soup. At 7 p.m. on a weeknight, pantry flavor bomb ingredients can be the difference between sitting down to a satisfying home-cooked dinner at 7:30 and ordering take-out.

  8. 17 Best Soup Recipes For Weight Loss - AOL

    www.aol.com/17-best-soup-recipes-weight...

    The Best Weight Loss Soup Recipes. Best-Ever Homemade Chicken Noodle Soup. ... Get the recipe for Chicken Noodle Soup. RELATED: 23 Easy Weight-Loss Meal Prep Recipes. 2. Healthy Butternut Squash Soup

  9. Total dynamic head - Wikipedia

    en.wikipedia.org/wiki/Total_dynamic_head

    Friction loss (or head loss) represents energy lost to friction as fluid flows through the pipe. This equation can be derived from Bernoulli's Equation. For incompressible liquids such as water, Static lift + Pressure head together equal the difference in fluid surface elevation between the suction basin and the discharge basin.