ECH 253C Fall 2013
Homework Assignment #1
due by 9:00am Wednesday October 2, 2013
1. (a) Show that Dij = Dji for any binary mixture. (cf. Deen problem 1-1).
(b) Is the above equality true for a solute in water?
(c) Imagine an isolated molecule oating in t

ECH 253C Fall 2013
Homework Assignment #3
due by 9:00am Thursday October 17, 2013
1. Deen problem 3-6.
2. Fun with friction: Deen problem 3-12. Plot an appropriate dimensionless temperature versus an appropriate dimensionless position for the following th

ECH 253C Fall 2013
Homework Assignment #8
due electronically by 5:00pm Monday Dec. 9, 2013
The goal of this assignment is to generate contour plots of the temperature distribution
around a hot sphere moving through a cool uid. You will thus get some exper