EntityQ3457815· pop 11· linked from 247 articlesfriction lossSign in to saveloss of energy in a pipe through friction along the edgeConnectionsviscosityEntitysurface roughnessEntityHagen–Poiseuille equationEntitymoleculeEntitymass densityEntityWayback MachineEntityJean Le Rond d'AlembertEntitydigital object identifierEntityaqueductEntityhydropowerEntitygravitational accelerationEntityQ180686EntityReynolds numberEntitybibcodeEntityturbulenceEntityfluid dynamicsEntitylaminar flowEntitypipingEntitydimensionless quantityEntityrefrigerationEntityCategoriesFluid dynamicsFluid mechanicsFrictionMechanical engineeringPiping