BME150 BIOTRANSPORT PHENOMENA (Required for BME and BMEP)
Catalog Data:
BME150 Biotransport Phenomena (Credit Units: 4) Fundamentals of heat and mass transfer; similarities in rate equations. Applications to biological mass transport at cellular and syste
PROBLEM 3.13
KNOWN: Composite wall of a house with prescribed convection processes at inner and
outer surfaces.
FIND: (a) Expression for thermal resistance of house wall, R tot ; (b) Total heat loss, q(W); (c)
Effect on heat loss due to increase in outsid
PROBLEM 1.1
KNOWN: Thermal conductivity, thickness and temperature difference across a sheet of rigid
extruded insulation.
FIND: (a) The heat flux through a 2 m 2 m sheet of the insulation, and (b) The heat rate
through the sheet.
SCHEMATIC:
A = 4 m2
k =
PROBLEM 2.23
KNOWN: Identical samples of prescribed diameter, length and density initially at a uniform
temperature Ti, sandwich an electric heater which provides a uniform heat flux q o for a period of
time to. Conditions shortly after energizing and a l
PROBLEM 14.9
KNOWN: Dimensions of rubber stopper in medicine jar. Molar concentration of medicine
vapor at top and bottom surfaces. Mass diffusivity of medicine vapor in rubber.
FIND: Rate at which medicine vapor exits through the stopper.
SCHEMATIC:
D2 =
A.Grosberg
1.
1
Problem Statement
A doctor is using a thermometer to measure the variation in temperature (i.e. fever) of a patient
over a three day period. Indicate, which of the following is assumed to be at pseudosteady state.
Explain your answer in y
1_i
iO
0
P
1,
Li
E+
D1tLy
.
p
LP
il
0
(V
F
0
n
(P
P
I
if
a
c
1
(V
c
b
1:c_
tr)
I_..
I
9
p
a
3
ar
F
1
4(D
,
r
o
ffi
0
ir
pica
P
o
I
o
,
o
u,op
o
(J
o
ii
1
:1
9
p
tfr
gp
(P
0
1
lilt
Jo
I,
p
:5
I
1
V
n
0
3
1
C,
2
1;
p
9
C
Iri
rf
a
(n
0

In
cp
5C
1/
p
o
d
50
JJ
o
o
ci)
P
(.11
:
qi
3
t
0
P
r3
15q
I]
Q)
sp
cdt


Jo
C,.
0
11
1
6
Qi
0
f)
4)

13
fJ
C
LA
0
5:
Q)
.,
)
c
0
_
c
1
F
it
Q%
c)
c1
_
0
0
1
Q
1
F

111
C,)
o
o
.)
0
5
ICC
+
IC
fc
0
:
r
v
o
T
ri
0
c
;tp
0
fk
It
F
c
k
o_
r.
VD
1
IP

t
d
cJ
tO
6
0
6
0
J
C
P
a)
4:?
I
C
9.,
iii
ow
4)
.
o)
1J
;j
o
11
Ld
P
1.
4,
1
0
0
4.
2
_(c
lb
rl
Ic6J
C_,%
ti
(ci
3
Ci
0
a)
V
p
a,
DI
j1
131
I
a,
9,
0
I.
I

39
0
I
I,
5t,
3
p
I
9)
0
0
f3
g
)
4
10
1
cc
cv
0
0
0
a,
.c
0
c)
lb
r
0
cc
qJ
r
O;
,
d
p
v
ulP
P
t!J
rl
ii
0
U
a
0
C,
p
0
I
.
, 0p
fDO2
,
C
.
rrrl
:5

op
.h
0
t
p
rT
0
GA
p
I
(t
.3
f_
I
F


0
_9
(A
p
4
c
I,
0
C,
p
L
c3
i:;: 6D
h
PD
pop
n

It

)
c
0
?
0
9
R
;
2C
o
(
_,
C
0
#D
jO
r
cL.

/V
L
c
p
c
c
E
lv
C
a
r
0
0
171
(
g
E.fl
1
,
)
tP
0
0
I
:5
P

If
.hirfr1.,
:
E
NI
I
3.
j
cfr
C.
q
P
rti
J
rto,bc
z

10
10
10
QP(b
.
0
P
I,
C
C.
(

9
0
H

O
rfNj
9
II
0
C.
c3
100

r
i0
I
E
iO
LA
,
()
/D

(
p

0
r_os
CA
ci
tO
n
A
It
cJ
(
o
0
no
0
E
rr
I
0
p
S
1
1D
09
1
Q
.
1
C)4
I
P
rY
JoQcP
0
0
(J
o
0
,1
cQ
I
0
t
tj[
0
C,
A
js
S
(p
iii
:7
D
m
5
0
4
10
t/
0
1
94
7
0
0
0
S
p
g
f%(V
s:i9
;_
0

4_

0
(U
VI
tP
VI
c,
p_F
I
r

p
c;
I,
lv
rP
Sc
(V
c

V.,
>
a
VI
_.,
t.p
L
v
S
10
rf
9
5i
(V
P
/
C
p
S
ID
x \
K

_
4
s
Th
=
c
0(0
r&9
I1
0
IF
I0
I.
$
I
C
cffl

0
,
.
o
(,
4:?
(t
o
.
5
b
CA
0
v
jO
(09
P
c4
4
i:
a_to
I
p
_9
F
1.0
8
c:
0
o
c15
fri
0

1j,
1
0

St3
0
9
1
10
Q
(P
Sc
(P
p
&I0
0
I
01c
(p
(P
c
p
Si
9
5c,
0
J
0

0
(P
.5
x
is
C
v,
0
c,
S
p
9
C
rfr
0
p
(P.
V

A.Grosberg
1.
1
Boundary Layer Thickness Problem Statement
Assuming that the thermal boundary layer is the same thickness as the momentum boundary
layer, calculate the thickness of the thermal boundary layer 1 cm away from the leading edge of a
2
cm
flat
A.Grosberg
1.
1
Problem Statement Reduce the following equation to an ODE:
f
3f
= 3
t
x
(1)
Assuming = x ta . What is the value of a.
Solution
x
t
f
t
3f
x3
= ta
(2)
= a x ta1
(3)
=
=
=
df
d
t
df
a x ta1
t
d
df
a
x ta
t
d
a df
t d
a x ta1
=
=
=
=
df
df
=
Quiz: Problem Set #6
https:/canvas.eee.uci.edu/courses/1682/quizzes/6985/take?preview=1
Problem Set #6
This is a preview of the published version of the quiz
Started: May 8 at 1:33pm
Quiz Instructions
Each problem is worth 1 point for a correct electronic
Quiz: Problem Set #7
https:/canvas.eee.uci.edu/courses/1682/quizzes/6986/take?preview=1
Problem Set #7
This is a preview of the published version of the quiz
Started: May 19 at 11:05am
Quiz Instructions
Each problem is worth 1 point for a correct electron
University of California, Irvine
Department of Biomedical Engineering
Class BME 150: Biotransport Phenomena 2015
Midterm Exam I
April 22, 2015
Solutions
There are 3 problems on the exam  it might be helpful to read each problem
before you begin.
2
BME 15