SOLUTIONS
AE 316-01
Homework #6
Not Due
Test #2 on 10/31/2016
HALLOWEEN
8.2 Estimate the theoretical fracture strength of a brittle material if it is known that fracture occurs by the propagation
of a
AB 302 Aerodynamics II Spring 2013
Homework 2 (due 1/29/13 in class)
Unless specied otherwise, assume the working uid is air and it can be treated as an ideal gas
with constant specic heats y=1.4. The
SOLUTIONS
AE 316-01
Homework #3
Not Due
Test #1 on 9/26/2016
5.1 Briefly explain the difference between self-diffusion and interdiffusion.
Answer
Self-diffusion is atomic migration in pure metals-i.e.
AE 302
Aerodynamics II
Spring 2013
Homework 3 (due 2/5/13 in class)
Unless specified otherwise, assume the working fluid is air and it can be treated as an
ideal gas with constant specific heats =1.4.
AE 316-01
Homework #4
Due 10/12/2016
6.7 For a brass alloy, the stress at which plastic deformation begins is 345 MPa (50,000 psi), and the modulus of
elasticity is 103 GPa (15.0 106 psi).
(a) What is
AE 302
Aerodynamics II
Spring 2013
Homework 1 (due 1/22 in class)
1. (a) Start with the isentropic relation
p = constant
where p is the pressure and is the specific volume. Combine this equation with
AE 316-01
Homework #1
Due 9/12/2016
2.18 The net potential energy between two adjacent ions, EN, may be represented by the sum of Equations 2.9 and
2.11; that is,
A
B
+
r
rn
Calculate the bonding ener
AE 302 Aerodynamics II Fall 2012
Homework 4 (due 9/27/12 in class)
Unless specied otherwise, assume the working uid is air and it can be treated as an
ideal gas with constant specic heats 7:1.4. The s
AE 316-01
Homework #5
Due 10/19/2016
7.1 To provide some perspective on the dimensions of atomic defects, consider a metal specimen with a dislocation
density of 105 mm2. Suppose that all the dislocat