Energy%20Analysis%20of%20Closed%20Systems

Energy%20Analysis%20of%20Closed%20Systems - Energy Analysis...

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Rudrajit Mitra Energy Analysis of Closed Systems
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Objectives Examine the moving boundary work. Develop general energy balance applied to closed systems. Define specific heat at constant volume and at constant pressure.
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Moving Boundary Work The expansion and compression work is often called moving boundary work, or simply boundary work . Primary form of work involved in automobile engines.
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Moving Boundary Work Analyze moving boundary work for quasi-equilibrium process. Differential work during the proces: Moving boundary work also called PdV work. PdV W b = δ
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The quasi-equilibrium process described shown in the figure. Total area A under the process curve 1-2 obtained by adding the differential areas. Gas can follow different paths as it expands from state 1 to state 2. Moving Boundary Work
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Moving Boundary Work A rigid tank contains air at 500 kPa and 150°C. As a result of heat transfer to the surroundings, the temperature and pressure inside
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Energy%20Analysis%20of%20Closed%20Systems - Energy Analysis...

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