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Homework Assignment #9
*February 19, 2018*

*Posted by biotransport in homework assignments.*

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Here is the link to HW#9 due on Wednesday, March 14th, hw9

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Matlab 1st Order ODE Example
*February 16, 2018*

*Posted by biotransport in miscellaneous information.*

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Here is an example of how to solve a first order ordinary differential equation using Matlab. The function in this case is that dy/dx = – 3 y with the boundary condition that when x = 0 then y(0) = 4. This solution is applicable to solving problem 4.7 in HW8, where in this case, think of the ODE as dZ/dt = – A V[Z(t)] and the initial condition is that when t = 0 then Z(0) = 1.3 m. The term A is just a constant that includes all the other variables, make sure your units are all compatible. You would solve this over the time interval from 0 (tstart = 0) to say 100 minutes (tend = 100) and note when Z = 1m which means the bag is empty. Here is the program ODE

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Homework Assignment #8 – Updated
*February 12, 2018*

*Posted by biotransport in homework assignments.*

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Here is Homework #8 NOW due on February 28th and under my door by March 2nd; work problems 4.7, 4.32, 4.44, 4.53, 4.89, and 4.92.

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Homework Assignment #7
*February 7, 2018*

*Posted by biotransport in homework assignments.*

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For homework #7 work problems 4.27 and 4.47. These problems are due on February 23rd.

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On Pitot Tubes
*February 12, 2018*

*Posted by biotransport in miscellaneous information.*

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At left are some photos of pitot tubes on the side of a 747 parked at Detroit Metro and one that a student’s friend, an aircraft mechanic, provided. Here’s a news story from ABC about the crash with some animation http://abcnews.go.com/Blotter/air-france-flight-447-crash-didnt-happen-expert/story?id=16717404 and an article from Scientific American http://www.scientificamerican.com/article.cfm?id=what-is-a-pitot-tube .

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Chapter 4 Friction Factor Chart
*February 7, 2018*

*Posted by biotransport in lectures.*

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Here is a friction factor chart, frictionfactorchart

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Homework Assignment #6
*February 6, 2018*

*Posted by biotransport in homework assignments.*

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Homework #5
*February 2, 2018*

*Posted by biotransport in homework assignments.*

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Here is HW#5 due on February 14th; 4.12, 4.15, 4.18, 4.25, 4.82. ( Note for 4.25 go back and redraw Figure 4.4 in Cartesian coordinates, on your new figure replace r with y and replace z with x, and tau-rz becomes tau-yx, R becomes H, then follow the development in a similar fashion as explained on pages 158-159 but now in Cartesian coordinates),

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Homework Assignment #4
*January 31, 2018*

*Posted by biotransport in homework assignments.*

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Here is homework assignment #4 which is due on February 9th; work problems 4.1, 4.16, 4.23 (do not find the v_{z}(r) or the mass flow rate), 4.63, 4.78

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