Chap1_Lectures_Slides

Chap1_Lectures_Slides - Engineering Thermodynamics Chapter...

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Engineering Thermodynamics by 1 Engineering Thermodynamics Chapter 1 Lectures: Introduction
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Engineering Thermodynamics by 2 Learning Objectives 1. Understands what thermodynamics is. 2. Knows applications in engineering. 3. Uses basic concepts to model systems. 4. Knows the fundamental laws of thermodynamics. 5. Relates thermodynamics to energy needs and usage in society. 6. Applies an engineering approach to problem solving
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Engineering Thermodynamics by 3 1.1 What is thermodynamics? ± Coined in 1849 by Lord Kelvin. Comes from Greek words therme (heat) and dynamis (power or movement). ± It is a science: concepts & laws ± Focus: energy and property relationships ± What is energy? ± Energy in physics ± The laws of thermodynamics and energy (quantity and quality) All forms of energy are equal …” (1 st Law) Some forms are more valuable than others …” (2 nd Law)
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Engineering Thermodynamics by 4 1.1 What is thermodynamics? Other perspectives ± Microscopic approach & Statistical thermodynamics ± Continuum and the macroscopic approach ± ± Expository Traditions ± The Poincare-Planck Structure ± The Caratheodory Structure ± The Single-Axiom Structure
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Engineering Thermodynamics by 5 Concept Test on Section 1.1 Which of the following is correct about the laws of thermodynamics? 1. They can be proved logically from experimental data. 2. They must not contradict other known scientific laws and/or experimental observations. 3. They apply only in thermodynamics. 4. Statistical thermodynamics leads to different laws from those in engineering or classical thermodynamics. Answer: 2.
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Engineering Thermodynamics by 6 Concept Test on Section 1.1 Which of the following does not qualify as a continuum? 1. A tiny drop of water. 2. Atmospheric air at the top of mount Everest. 3. Low pressure steam in a sealed container. 4. The highly rarefied gases on the outer fringes of the earth’s atmosphere. Answer: 4.
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Engineering Thermodynamics by 7 Concept Test on Section 1.1 Which of the following qualifies as a perpetual motion machine? 1. A wind mill that continuously converts wind energy to work 2. A hydraulic turbine that converts water power to mechanical power in a water fall. 3. An engine that can grind corn without requiring energy input from outside the system. 4. A novel car engine that travels 60 miles on one gallon of gasoline. Answer: 3.
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Engineering Thermodynamics by 8 ± Power Producing Systems ± Slideshow: Chapter1\Chapter1_Resources\power_producing_systems.ppt ± Power Absorbing Systems ± Slideshow: Chapter1\Chapter1_Resources\power_absorbing_systems.ppt ± Psychrometric Systems ± Slideshow: Chapter1\Chapter1_Resources\psychrometric_systems.ppt ± Reactive Mixtures and Combustion Systems ± Slideshow: Chapter1\Chapter1_Resources\Combustion_systems.ppt
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This note was uploaded on 08/21/2008 for the course ME 3513 taught by Professor Felicelli during the Spring '04 term at Mississippi State.

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Chap1_Lectures_Slides - Engineering Thermodynamics Chapter...

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