CHEN 304 1st Edition Lecture 10Outline of Last Lecture I. Fluid Friction in PipesII. NomenclatureIII. Laminar and Turbulent FlowIV. Laminar Flow Shear StressV. Laminar Flow Velocity ProfileOutline of Current Lecture I. Laminar Flow Volumetric Flow RateII. Laminar Flow Frictional DissipationIII. Maximum and Mean VelocityIV. Laminar Flow Kinetic EnergyV. Momentum Transfer in Turbulent FlowVI. Intro to Dimensional AnalysisCurrent LectureChapter 3Laminar Flow Volumetric Flow Rate- Hagen-Poiseuille lawdQ=2 πrudr=π R48 μ×∆ pLLaminar Flow Frictional DissipationF=8 μ umLρ R2Maximum and Mean Velocity- Maximum velocityumax=R28 μ(−d pdz)- Mean velocityum=12umaxThese notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.Laminar Flow Kinetic EnergyKE=um2Momentum Transfer in Turbulent Flowτ =(μ+ε)dudr- Ε is eddy viscosity which is due to the substantially augmented random motion for turbulent flowIntroduction to Dimensional Analysis- Friction factorf =τwρum2- Fanning friction factorf =τw12ρ um2- Moody friction factorf
View Full Document