UNIT OPERATIONS IN FOOD PROCESSING   Contents > Fluid-flow theory this page Home Contents About the book Introduction Material and energy balances Fluid-flow theory Fluid-flow applications Heat-transfer theory Heat-transfer applications Drying Evaporation Contact-equilibrium separation processes Mechanical separations Size reduction Mixing Appendices Index to Figures Index to Examples References Bibliography Useful links Feedback (email link) CHAPTER 3

FLUID FLOW THEORY Read or print this Chapter as a single document: UnitopsCh3.pdf (604 KB) Click the Adobe PDF icon above to view the Chapter in your browser, or right-click the icon ("Save Target As") to save the file to your local disk. Introduction Fluid statics fluid pressure absolute pressures gauge pressures head Fluid dynamics Mass balance continuity equation Energy balance Potential energy Kinetic energy Pressure energy Friction loss Mechanical energy Other effects Bernouilli's equation flow from a nozzle Viscosity shear forces viscous forces Newtonian and Non-Newtonian Fluids power law equation Streamline and turbulent flow dimensionless ratios Reynolds number Energy losses in flow Friction in Pipes Fanning equation Hagen Poiseuille equation Blasius equation pipe roughness Moody graph Energy Losses in Bends and Fittings Pressure Drop through Equipment Equivalent Lengths of Pipe Compressibility Effects for Gases Calculation of Pressure Drops in Flow Systems Summary Problems

Examples in this Chapter: 3.1. Total pressure in a tank of peanut oil 3.2. Head of Water 3.3. Head of mercury 3.4. Velocities of flow 3.5. Pressure in a pipe 3.6. Flow rate of olive oil 3.7. Mass flow rate from a tank 3.8. Pump horsepower 3.9. Flow of milk in a pipe 3.10. Pressure drop in a pipe

Figures in this Chapter: 3.1. Pressure in a fluid 3.2. Pressure conversions 3.3. Mass and energy balance in fluid flow 3.4. Flow from a nozzle. 3.5. Viscous forces in a fluid. 3.6. Shear stress/shear rate relationships in liquids. 3.7. Energy balance over a length of pipe. 3.8 Friction factors in pipe flow. Fluid-flow theory > INTRODUCTION, FLUID STATICS Back to the top 