Chapter 4. Overall Mass, Energy, and Momentum Balances

4.0 Chapter Objectives

On completion of this chapter, a student should be able to:

  • Perform a simple mass balance on a fluid process

  • Specify a control volume for solving fluid-mechanics problems

  • Derive the overall mass-balance equation

  • Derive the energy balance based on thermodynamic principles

  • Explain the concept of the kinetic-energy correction factor

  • Use the kinetic-energy correction factor for different flow regimes and problems

  • Apply the energy balance to the design of a pump

  • Extend the overall energy balance to derive the overall mechanical-energy balance

  • Explain how the concept of work and energy is applied to pumps and piping systems

  • Calculate the energy needed to operate a pump ...

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