This chapter discusses work and heat in thermodynamics. It defines work done by or on a system and distinguishes it from heat transfer. Various examples of work-related processes are illustrated through diagrams, including quasi-equilibrium, nonequilibrium, and other special cases. The chapter also differentiates heat from work and explores the effects of heat addition to a control volume. Homework problems at the end provide additional practice with applying concepts of work and heat.
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Ch4 homework
1. Sonntag / Borgnakke
《Introduction to Engineering Thermodynamics, 2nd Edition》
Chapter 4.
Work and Heat.
歐亞書局
2. Figure 4.1 Example of work crossing the boundary of a system.
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3. Figure 4.2 Example of work crossing the boundary of a system
because of a flow of an electric current across the system boundary.
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4. Figure 4.4 Example of work done at the moving boundary of a
system in a quasi-equilibrium process.
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5. Figure 4.5 Use
of pressure-volume diagram to show work done at
the moving boundary of a system in a quasi-equilibrium process.
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6. Figure 4.6 Various quasi-equilibrium processes between two given
states, indicating that work is a path function.
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7. Figure 4.7 Sketch for Example 4.1.
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8. Figure 4.8 Pressure-volume
diagram showing work done in the
various processes of Example 4.1.
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9. Figure 4.9 Sketch
of physical system
for Example 4.2.
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