Laser-Doppler anemometry has been applied to approximately 2-D turbulent air flow in a rotating 2 pass channel of square cross section. The axis of rotation is normal to the axis of the duct, and the flow is radially outward/inward. The duct is of finite length and the walls are isothermal. Smooth channels are experimentally conducted with rotational speeds of 100, 200, and 300 rpm with ReH = 5000 and 10,000. The main features of the flow, flow separation and mean velocity as well as turbulent intensity at particular location along the downstream are presented. The measured flow field is found to be quite complex, consisting of secondary cross-stream and radially outward flows due to the Coriolis effects and centrifugal forces.

1.
Cheah
S. C.
,
Iacovides
H.
,
Jackson
D. C.
,
Ji
H.
, and
Launder
B. E.
,
1996
, “
LDA Investigation of the Flow Development Through Rotating U-ducts
,”
ASME Journal of Turbomachinery
, Vol.
118
, pp.
590
596
.
2.
Clifford
R. J.
,
Morris
W. D.
, and
Harasgama
S. P.
,
1984
, “
An Experimental Study of Local and Mean Heat Transfer in a Triangular-Sectioned Duct Rotating the Orthogonal Mode
,”
ASME Journal of Engineering for Gas Turbines and Power
, Vol.
106
, pp.
661
667
.
3.
Dring
R. P.
,
1982
, “
Sizing Criteria for Laser Anemometry Particles
,”
ASME JOURNAL OF FLUIDS ENGINEERING
, Vol.
104
, pp.
15
17
.
4.
Dutta
S.
,
Andrews
M. J.
, and
Han
J. C.
,
1996
, “
Prediction of Turbulent Heat Transfer in Rotating Smooth Square Ducts
,”
International Journal of Heat & Mass Transfer
, Vol.
39
, pp.
2505
2514
.
5.
Guidez
J.
,
1989
, “
Study of the Convective Heat Transfer in Rotating Coolant Channel
,”
ASME Journal of Turbomachinery
, Vol.
111
, pp.
43
50
.
6.
Han
J. C.
, and
Zhang
Y. M.
,
1992
, “
Effect of Uneven Wall Temperature on Local Heat Transfer in a Rotating Square Channel With Smooth Walls and Radial Outward Flow
,”
ASME Journal of Heat Transfer
, Vol.
114
, pp.
850
858
.
7.
Han
J. C.
,
Zhang
Y. M.
, and
Kalkuehler
K.
,
1993
, “
Uneven Wall Temperature Effect on Local Heat Transfer in a Rotating Two-Pass Square Channel With Smooth Walls
,”
ASME Journal of Heat Transfer
, Vol.
115
, pp.
912
920
.
8.
Hart
J. E.
,
1971
, “
Instability and Secondary Motion in a Rotating Channel Flow
,”
Journal of Fluid Mechanics
, Vol.
45
, pp.
341
351
.
9.
Hong
Y. J.
, and
Hsieh
S. S.
,
1993
, “
Heat Transfer and Friction Factor Measurements in Ducts With Staggered and in-Line Ribs
,”
ASME Journal of Heat Transfer
, Vol.
115
, pp.
58
65
.
10.
Hsieh
S. S.
,
Hong
Y. J.
, and
Jeng
S. R.
,
1994
, “
3-D Laminar Forced Convection in a Rotating Square Duct With a Rib on Leading Wall
,”
International Journal of Heat & Mass Transfer
, Vol.
37
, pp.
2273
2285
.
11.
Hsieh
S. S.
, and
Hong
Y. J.
,
1995
, “
Heat Transfer Coefficients in an Orthogonally Rotating Duct With Turbulators
,”
ASME Journal of Heat Transfer
, Vol.
117
, pp.
69
78
.
12.
Hsieh
S. S.
, and
Liu
W. J.
,
1996
, “
Uneven Wall Heat Flux Effect on Local Heat Transfer in Rotating Two-Pass Channels With Two Oppositely Ribbed Walls
,”
ASME Journal of Heat Transfer
, Vol.
118
, pp.
864
876
.
13.
Hsieh
S. S.
,
Wang
Y. S.
, and
Chiang
M. H.
,
1997
, “
Local Heat Transfer and Velocity Measurements in a Rotating Ribbed Two-Pass Square Channel With Uneven Wall Temperatures
,”
ASME Journal of Heat Transfer
, Vol.
119
, pp.
843
848
.
14.
Iskakov
K. M.
, and
Trushin
V. A.
,
1983
, “
Influence of Rotation on Heat Transfer in Turbine-Blade Radial Slot Channel
,”
Izvestiya VUZ. Aviatsionnaya Tekhnika
, Vol.
26
, No.
1
, pp.
97
99
.
15.
Johnson, B. V., 1978, “Heat Transfer Experiments in Rotating Radial Passages With Supercritical Water,” ASME Heat Transfer (bound proceedings from 1978 ASME Winter Annual Meeting).
16.
Johnson
B. V.
,
Wagner
J. H.
,
Steuber
G. D.
, and
Yeh
F. C.
,
1994
, “
Heat Transfer in Rotating Serpentine Passages With Trips Skewed to the Flow
,”
ASME Journal of Turbomachinery
, Vol.
116
, pp.
112
123
.
17.
Johnston
J. P.
,
Halleen
R. M.
, and
Lezius
D. K.
,
1972
, “
Effects of Spanwise Rotation on the Structure of Two-Dimensional Fully Developed Turbulent Channel Flow
,”
Journal of Fluid Mechanics
, Vol.
56
, Part 3, pp.
533
557
.
18.
Lokai
V. I.
, and
Gunchenko
E. I.
,
1979
, “
Heat Transfer Over the Initial Section of Turbine Blade Cooling Channels Under Conditions of Rotation
,”
Thermal Engineering
, Vol.
26
, pp.
92
95
.
19.
Moore, J., 1967, “Effects of Coriolis on Turbulent Flow in Rotating Rectangular Channels,” MIT Gas Turbine Laboratory Report, No. 89.
20.
Mori
Y.
,
Fukada
T.
, and
Nakayama
W.
,
1971
, “
Convective Heat Transfer in a Rotating Radial Circular Pipe (2nd Report)
,”
International Journal of Heat & Mass Transfer
, Vol.
14
, pp.
1807
1824
.
21.
Morris
W. D.
, and
Ayhan
T.
,
1979
, “
Observations on the Influence of Rotation on Heat Transfer in the Coolant Channels of Gas Turbine Rotor Blades
,”
Proceedings of Institute of Mechanical Engineers
, Vol.
193
, pp.
303
311
.
22.
Morris, W. D., and Ayhan, T., 1982, “An Experimental Study of Turbulent Heat Transfer in the Tube Which Rotates About an Orthogonal Axis,” Proc. XIV ICHMT Symposium on Heat and Mass Transfer in Rotating Machinery, Dubrovnik, Yugoslavia, Aug. 30-Sept. 3.
23.
Parsons
J. A.
,
Han
J. C.
, and
Zhang
Y. M.
,
1994
, “
Wall Heating Effect on Local Heat Transfer in a Rotating Two-Pass Square Channel With 90° Rib Turbulators
,”
International Journal of Heat and Mass Transfer
, Vol.
37
, pp.
1411
1420
.
24.
Parsons
J. A.
,
Han
J. C.
, and
Zhang
Y. M.
,
1995
, “
Effect of Model Orientation and wall Heating Condition on Local Heat Transfer in a Rotating Two-Pass Square Channel With Rib Turbulators
,”
International Journal of Heat and Mass Transfer
, Vol.
38
, pp.
1151
1159
.
25.
Prakash
C.
, and
Zerkle
R.
,
1992
, “
Prediction of Turbulent Flow and Heat Transfer in a Radially Rotating Square Duct
,”
ASME Journal of Turbomachinery
, Vol.
114
, pp.
835
846
.
26.
Rothe
P. H.
, and
Johnston
J. P.
,
1979
, “
Free Shear Layer Behavior in Rotating Systems
,”
ASME JOURNAL OF FLUIDS ENGINEERING
, Vol.
101
, pp.
117
120
.
27.
Wagner
J. H.
,
Johnson
B. V.
, and
Hajek
T. J.
,
1991
, “
Heat Transfer in Rotating Passages With Smooth Walls and Radial Outward Flow
,”
ASME Journal of Turbomachinery
, Vol.
113
, pp.
42
51
.
28.
Wagner
J. H.
,
Johnson
B. V.
, and
Kopper
F. C.
,
1991
b, “
Heat Transfer in Rotating Serpentine Passages With Smooth Walls
,”
ASME Journal of Turbomachinery
, Vol.
113
, pp.
321
330
.
29.
Wagner
J. H.
,
Johnson
B. V.
,
Graziani
R. A.
, and
Yeh
F. C.
,
1992
, “
Heat Transfer in Rotating Serpentine Passages With Trips Normal to the Flow
,”
ASME Journal of Turbomachinery
, Vol.
114
, pp.
847
857
.
30.
Wagner
R. E.
, and
Velkoff
H. R.
,
1972
, “
Measurements of Secondary Flows in a Rotating Duct
,”
Journal of Engineering for Power
, Vol.
94
, pp.
261
270
.
31.
Zhang
Y. M.
,
Han
J. C.
,
Parsons
J. A.
, and
Lee
C. P.
,
1995
, “
Surface Heating Effect on Local Heat Transfer in a Rotating Two-Pass Square Channel With 60 deg Rib Turbulators
,”
ASME Journal of Turbomachinery
, Vol.
117
, pp.
272
280
.
This content is only available via PDF.
You do not currently have access to this content.