EntityQ1261069· pop 14· linked from 59 articlespressure dropSign in to savedifference in pressure between two points of a fluidConnectionsvelocityEntityWayback MachineEntityconservation of energyEntityfrictionEntityfluidEntityviscosityEntitypumpEntityBernoulli's principleEntityinternal energyEntitypipeEntityvalveEntitysurface roughnessEntityrelative densityEntityHagen–Poiseuille equationEntityhydraulic headEntityDarcy–Weisbach equationEntityfittingEntityshear forceEntitychoked flowEntitytubeEntityCategoriesFluid dynamicsMechanics