文档介绍：1 Review for Chapter 2,3,4,5 Fluid mechanics ? I. Fluid statics and its application ? II. Fluid dynamics and its application 2 I. Fluid statics and its application ? 1. Density ? 2. Pressure ? 3. Equation of hydrostatic equilibrium ? 4. Application of hydrostatic equilibrium 31. Density ?ρ = f (T, P) Usually ρ solid >ρ liquid >ρ gas Unit of density: SI unit: kg/m 3 cgs unit: g/cm 3 fps unit: lb/ft 34 2. Pressure Unit of pressure: SI unit: Pa (N/m 2) others: atm , mmHg, mH 2 O, kg f /cm 2 , bar, at, psi (lb f /in 2) Absolute pressure Gauge pressure Degree of vacuum(or vacuum) 5 3. Equation of hydrostatic equilibrium )( ba abZZg pp?????() 0??dZ gdp?() 6 4. Application of hydrostatic equilibrium ? Barometer 0?? dZ RT gM p dp () ????????? RT ZZgM p p ab a b)( exp () 7 ? Manometers ( 液压计) U-tube manometer Differential manometer Inclined manometer Series manometer 8 ? Measurement of liquid level ? Liquid seal of equipment 9 II. Fluid dynamics and its application ? 1. Potential flow and viscous flow ? of fluid ?3. Rheological properties of fluids ? 4. Laminar flow and turbulent flow ? 5. Boundary layer content of chapter 3 10 ? 6. Continuity equation ? 7. Bernoulli equation ? 8. Design of piping system content of chapter 4,5