March 2007 - Posts

shear stress at the wall
06 March 07 08:44 PM | Caroline Schauer | 0 Comments   

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 Read More...

twin extruder barrel
06 March 07 11:00 AM | Caroline Schauer | 0 Comments   

This website has a diagram of the twin screw extruder barrel. http://www.wenger.com/English/Systems/Extrusion/C2TX/C2TX.asp Read More...

Kenics mixers
06 March 07 10:58 AM | Caroline Schauer | 0 Comments   

This is a great description of the mixer. It does say diameters to 8 feet! Read More...

Attachment(s): kenics mixers.pdf

Injection molding notes part 2
05 March 07 05:04 PM | Caroline Schauer | 0 Comments   

The birefringence notes Read More...

Attachment(s): 10. Birefringence_2007.pdf

Injection molding notes
05 March 07 04:55 PM | Caroline Schauer | 0 Comments   

Here are the notes for injection molding for the next two weeks. 1st week is entitled injection molding 2007. The second set is entitled Birefringence 2007. Read More...

Attachment(s): 7. Injection Molding_2007.pdf

Homework Assignment #4
05 March 07 03:35 PM | Caroline Schauer | 0 Comments   

Here is Homework 4. It is due Tuesday March 13 at 12:30. Read More...

Attachment(s): Homework 4 2007.doc

Die Dimensions
05 March 07 03:26 PM | AaronSakulich | 1 Comments   

Friends, The dimensions of the two dies you used: both are 6mm long, one is 3 mm wide, and one is 4mm wide. By wide I mean "in diameter." I will let you know if I find anything about the Bagley parameter, but i think you may need to consider Read More...

Lab delay
05 March 07 03:25 PM | Caroline Schauer | 0 Comments   

The lab has been pushed back until thurs. Read More...