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lec-24

# lec-24 - A V n Example 1 Show that at steady state the...

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Lecture 24: Control volume & Reynolds Transport Theorem Mar 14 2008 Objectives: 1. Concept of “ system” & “ control volume” - System: a collection of matter Can change size, shape? How about mars? - C. V. : a volume in space 2. Reynolds transport theorem - Why do we need the Reynolds transport theorem? - sys sys B bdV ρ = : what is the meaning of each variable? - ( 29 sys cv cs D B bdV b n dA Dt t = + v v v What is the meaning of each variable and term? What does ( 29 n e v v v mean? 3. Control volume analysis – mass conservation (b=1) - ( ) cv cs dV v n dA t = - v v Why there is a minus sign? What is the meaning of

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Unformatted text preview: A, V . n ? Example: 1. Show that at steady state, the overall mars flow in and out of a C.V. is zero. 2. What is the mars flowrate across “1-2”? Assume U is given . Homework (due Mar 24): 4.54 and 4.59 Required reading this lecture : F 4.3-4.4 Suggested reading for next lecture: F 5.1 1 2 U Lecture 24: Control volume & Reynolds Transport Theorem Mar 14 2008----------------------Have a safe and fun spring break!-------------------------...
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lec-24 - A V n Example 1 Show that at steady state the...

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