Chapters 1 _ 2 - Chapters 1 & 2 Basic Concepts &...

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Basic Concepts & Energy
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Topics to be discussed in class • Properties of a system • State and Equilibrium • Processes and Cycles •1 st Law of Thermodynamics
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Q: How long does my cold drink will stay below 10 o C in hot summer (37 o C) Q: How much power is required to pump a certain amount of water?
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System & Control Volume
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Two Types of Systems Closed System (Control Mass) Open System (Control Volume)
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Q: How long does my cold drink will stay below 10 o C in hot summer (37 o C)
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Electric Cooker: How long does it take for water to reach the boiling point? Physical Device
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Initial condition Final Condition Q: How much heat and work are transferred?
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An Isolated System
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An Open System (a Control Volume)
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Q: How much power is required to pump a certain amount of flow of water?
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Surroundings
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problem dependent
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Chapters 1 _ 2 - Chapters 1 & 2 Basic Concepts &...

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