**AME 517, Fall 2009**

**Problem set #6**

**Assigned: 11/25/2009**

**ÒDueÓ 12/4/2009, 4:30 pm (but no late penalty
until after 12/7/09, 4:30 pm)**

** **

Note: the special symbols seem to work only
on Internet Explorer, not Netscape or Safari. Click here for a pdf
version of the assignment.

**Chapter
10: **

10.30
(answer: 37 m^{-1}atm^{-1}
for the gas of problem 10.28)

**Chapter 11:**

11.2 (answer: C
= 1.9 cm^{-3}µm^{-1} (wonderful unitsÉ), N_{T} = 770/cm^{3})

11.7 (answers: b_{l}
= 0.75 cm^{-1}, k_{l} = 0.22 cm^{-1}, s_{s}_{l}
= 0.52 cm^{-1}.)

13.7 Answers:

(a)

(b)

14.10
Answer: T_{max}
= 2113K, q_{wall} = 5 x 10^{5} W/m^{2}.

Hints: (i) using symmetry, show that

(ii) boundary condition from Eq. 14.25.

(iii) radiosity (J) can be eliminated using Eq. 13.44

14.11
Answer: T_{max} =
2172K, q_{wall} = 5 x 10^{5} W/m^{2}

14.12 Answer: T_{max}
= 2101K, q_{wall} = 5 x 10^{5} W/m^{2}