Reynolds number for a liquid of density `rho`, viscosity `eta` and flowing through a pipe of diameter D, is given by

The volume of a liquid of density rho and viscosity eta flowing in time t through a capillary tube of length l and radius R, with a pressure difference P, across its ends is proportional to :

Volume rate flow of a liquid of density rho and coefficient of viscosity eta through a cylindrical tube of diameter D is Q. Reynold's number of the flow is

volume rate flow of a liquid of density rho and coefficient of viscosity eta through a cylindrical tube of diameter D is Q. Reynold's number of the flow is

A liquid of density rho and coefficient of viscosity eta , flows with velocity upsilon through a tube of diameter D. A quantity R = (rho upsilon D)/(eta) determines whether the flow will be streamlined or turbulent. R has the dimension of

The Reynold's number for fluid flow in a pipe is independent of

A pump is used to pump a liquid of density rho continuously through a pipe of cross, sectional area A. If liquid is flowing with speed v, then average power of pump is

A pump is used to pump a liquid of density rho continuously through a pipe of cross, sectional area A. If liquid is flowing with speed v, then average power of pump is

A pump is used to pump a liquid of density rho continuously through a pipe of cross, sectional area A. If liquid is flowing with speed v, then average power of pump is