Figure 9:
Dimensionless temperature distributions at
𝜂
=
1
for the exponential heat source and various values of
𝛽
;
𝜙
(
𝜂
)
=
e
x
p
(
−
0
.
4
𝜂
)
,
𝜓
0
=
1
,
a
n
d
𝑈
=
0
.
1
.