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Enjoy!
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This is due in class 03/06
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Notes for Monday 2/25
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Monday's class notes
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Please register your team by Feb 11th. See competition rules.
To these rules I add: You must use only polymers and have 4 differently processed polymers in your design.
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I have extended homework 2's due date to Monday the 28th.
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Here is what we will cover on Wed.
See you in class!
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See the URL for the 6 books that are on reserve in the library for this class.
http://innopac.library.drexel.edu/search/r?SEARCH=mate315
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Here it is! The class notes and the internet should be very helpful for this.
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Notes for Wed 01/09/08
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Here is a copy of the class syllabus.
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1st class notes
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Winter 2008 class notes will be above.
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It appears that when I asked the homework problem about shear stress
in a capillary, how it is 0 in the center and maximum at the wall, we
never discussed the equation.
So, here it is.
shear stress at the wall = -R/2(dP/dz)
Note that it is independent of material behavior.
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This website has a diagram of the twin screw extruder barrel. http://www.wenger.com/English/Systems/Extrusion/C2TX/C2TX.asp