Transcription of THERMODYNAMICS: COURSE INTRODUCTION
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THERMODYNAMICS: COURSE INTRODUCTION
- 1 -UNIFIED ENGINEERING 2000 Lecture Outlines Ian A. WaitzTHERMODYNAMICS: COURSE INTRODUCTIONC ourse Learning Objectives:To be able to use the First Law of Thermodynamics to estimate the potential for thermo-mechanical energy conversion in aerospace power and propulsion outcomes (assessment method) :1) To be able to state the First Law and to define heat, work, thermal efficiency andthe difference between various forms of energy. (quiz, self-assessment, PRS)2) To be able to identify and describe energy exchange processes (in terms ofvarious forms of energy, heat and work) in aerospace systems. (quiz, homework,self-assessment, PRS)3) To be able to explain at a level understandable by a high school senior or non-technical person how various heat engines work ( a refrigerator, an IC engine,a jet engine).
1 2 3 (thermometer) 1 3 if T 1 = T 2 and T 2 = T 3 then 1Q 3 = 0 II. Changing the State of a System: Work (VW, S & B: 4.1-4.6) A. Definition of Work We saw that heat is a way of changing the energy of a system by virtue of a temperature difference only. Any other means for changing the energy of a system is called work. We can
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