CENG 101B Heat Transfer
Feb. 2, 2012
Open text book and notes
State and justify assumptions made, and show your work clearly.
I. (40 pts) A double-pane window (4m X 3m in size) consists of two l-cm thick pieces of
glass separated by a 1 cm layer of
E): 61m 1?.
D— 3 3
W y_ :D jar—3n: AL~C+30~ZSWC¥
x _ I .
ca ﬂaw: :wew KM? K‘EEf“ -—~ 63% <01
JePr W—WJ’F W am (a 6"“ 3
\o’) ism “a up (hﬁﬂt>:_¢_y9(~& Fe) 5:38.?!)
'lc“Td‘- PCPV .
.L: - (V/H32h ("TFme
or» Bi To “WU
0K: J}: : sigh/HA“? I U
Open book and notes
March 20, 2012
State and justify assumptions made, and show your work clearly. Use ONLY the correlations
1. (60 pts) A shell-and-tube heat exchanger having one shell pass and eight tube