(a)
(b)
Figure 4:
Profiles of the velocity components
𝑤
(
𝑟
,
𝑡
)
and
𝑣
(
𝑟
,
𝑡
)
given by (
3.18
) and (
3.19
), for
𝑅
=
3
,
𝑊
1
=
𝑊
2
=
𝑉
1
=
𝑉
2
=
1
,
𝑤
1
=
𝑤
2
=
1
,
𝜈
=
0
.
5
5
6
6
,
𝜇
=
3
3
,
𝛽
=
0
.
5
,
𝑡
=
2
.
5
s
, and different values of
𝛼
.