Lecture4_7 - • We can write u pv as something else… 5...

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9/26/2010 1 AME 331 Introduction to Fluid Mechanics Chapter 4: Basic Equations in Integral Form Prof. Jesse Little University of Arizona 9/27/10 1 Lecture Preview and Assignments Today Finish Chapter 4 Read Chapter 5-1 for next time Homework 4 due today Homework 5 due Friday (10/1) Exam 1 Monday (10/4) Covers Chapters 1-4 2
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9/26/2010 2 First Law of Thermodynamics (4-8) Summarizing the work we left off with last time Let’s plug this in to the 1 st law (rearranged a bit) Now an intelligent trick 3 First Law of Thermodynamics (4-8) Plug this back into the 1 st law The normal stress is pressure in most flows. Substituting our definition of energy gives: 4
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9/26/2010 3 First Law of Thermodynamics (4-8) We finally arrive to the expression we will use
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