The actual dependence of the pressure drop on the velocity for turbulent flow in circular tubes is more complicated. In pipes, turbulence sets in despite the linear stability of the laminar hagenpoiseuille flow. Universal log laws article pdf available in journal of fluids engineering 1291 january 2007 with 682 reads how we measure. The reynolds re number is a quantity which engineers use to estimate if a fluid flow is laminar or turbulent.
Alternate scales for turbulent flow in transitional rough pipes. Reynolds number effects in a turbulent pipe flow for low to moderate. Turbulent pipe flow at extreme reynolds numbers princeton. In high reynolds number turbulent flows, which include many flows of great practical interest, such as the atmos pheric. Wall turbulence, pipe flow, high reynolds number, hotwire, x. Critical reynolds number in constantacceleration pipe flow. The critical point of the transition to turbulence in pipe flow.