CHE 342 S15
Homework Key - Feb 10, 2015
Homework 3b
(65 points + 5EC)
revisions: #1 - dropped EC
Problem 1 (15)
GRADING NOTES for a Complete Answer
* all steps should be shown clearly
Starting Point
k$V2 T C qfVI = 0
1-D Cylindrical Coordinates, Radial On

CHE 342 Spring 2015, Homework 5c
Version: March 8, 2015
due Wednesday 3/11/15 by 11am
Answers to questions with must be entirely COMPLETE. Incomplete work of any type (incorrect, inadequate, or improper) will receive only half credit, and no answer will r

CHE 342 Spring 2015, Homework 1
Version: January 12, 2015
due Sunday, Jan. 18 by 11pm
Control Volumes
Mass and Energy Balances
w
h
Jq
L
pf
tube
1. An incompressible liquid with a density of (kg/m3 ) flows at a mass
rate m (kg/s) vertically along a tube. T

Version: January 27, 2015
CHE 342 Spring 2015, Homework 2b
due Tuesday Feb. 3 by 11pm
Numeric values given in this way or without decimal points are exact. Questions marked with will be
graded as -3 points for ANY mistake or all points deducted when not a

Version: February 21, 2015
CHE 342 Spring 2015, Homework 5a
due Friday, February 27 by 11pm
Questions with must be entirely COMPLETE, otherwise they will receive only have half credit.
Steady State Conduction
Starting Points
1. Consider Problem 17.6. When

Version: January 29, 2015
CHE 342 Spring 2015, Homework 3a
due Thursday Feb 5 by 1pm
This assignment must be done entirely by hand. The derivation steps must be shown clearly. The final result
will be an equation with unknown constants to be set by the bo

CHE 342 Spring 2015, Homework 4
Version: February 21, 2015
due Wednesday, Feb. 15 by noon
This assignment must be done entirely by hand.
Dimensional and Dimensionless Analysis
Applications
1. Consider the equation below for the power Z in a certain system

CHE 342 Spring 2015, Homework 2a
Version: January 22, 2015
due Tuesday, Jan. 27 by 11pm
Numeric values given in
this way
are exact.
Revision
Notes
Heat Transfer Fundamentals
Conduction and Thermal Conductivity
1. Consider a component where cross-sectional

CHE 342 Spring 2015, Homework 5b
Version: March 2, 2015
due Wednesday 3/4/15 by 11pm
Answers to questions with must be entirely COMPLETE. Incomplete work of any type (incorrect, inadequate, or improper) will receive only 2 points credit, and no answer wil

CHE 342 Spring 2015, Homework 6a
Version: March 7, 2015
due Thursday March 12 by 2pm
Questions with must be entirely COMPLETE, otherwise they will receive only have half credit.
Unsteady State Conduction
1-D Systems: Lumped Analysis
Consider two spheres,