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lecture3 - 1 Basic Thermodynamic Concepts Basic...

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Unformatted text preview: 8/27/2010 1 Basic Thermodynamic Concepts: Basic Thermodynamic Concepts: Temperature, problem solving Temperature, problem solving ME 200 Purdue University , Dr. Tim Pourpoint – [email protected] ME 200 Thermodynamics I Lecture 3 August 27 th , 2010 Last Lecture Last Lecture • Fundamental Thermodynamic Concepts – Closed/Open Systems – Properties – State & equilibrium – Processes – Cycles ME 200 ME 200 2 – Pressure – Energy • Objectives – General property definitions – States and equilibrium definitions – Processes and cycles • Today’s agenda – Temperature – Problem solving • Objectives – Discuss how to solve basic problems involving temperature This Lecture This Lecture ME 200 ME 200 3 – Introduce a problem solving approach to thermodynamic problems in general • Use this • It does help 8/27/2010 2 • Two objects in thermal equilibrium are at the same temperature • Temperature is an intensive property that determines whether or not an object is in equilibrium with other objects • Thermometers measure the temperature dependence of Temperature Temperature ME 200 ME 200 4 some physical property Types of Thermometers Types of Thermometers ME 200 ME 200 5 • th Law of Thermodynamics: If two bodies are in thermal equilibrium with a third body, then they are in thermal...
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