Home/Basic Physics/Fluid mechanics/Continuity equation11. Fluid mechanicsContinuity equationIn 11. Fluid mechanicsFormulaCopy LaTeXA1v1=A2v2A_1v_1=A_2v_2A1v1=A2v2General formCopy LaTeXρ1A1v1=ρ2A2v2\rho_1A_1v_1=\rho_2A_2v_2ρ1A1v1=ρ2A2v2TagsContinuityphysicsfluidsphysics formulamechanics of fluidsDetailThe product of area and speed is conserved along a duct for an incompressible fluid.Explore the ideaExplore the ideaFound an error? Contact us.Related formulasRelatedVolumetric flow rateQ=dVdt=AvQ=\frac{dV}{dt}=AvQ=dtdV=AvOpen formulaOpen in sectionRelatedBernoulli's equationP+12ρv2+ρgy=constanteP+\frac12\rho v^2+\rho gy=\text{constante}P+21ρv2+ρgy=constanteOpen formulaOpen in section