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TECHNICAL PAPERS: Forced Convection

Effect of Turbulence With Different Vortical Structures on Stagnation Region Heat Transfer

[+] Author and Article Information
Aung N. Oo

Faculty of Engineering and Applied Science Memorial University of Newfoundland St. John’s, Newfoundland, A1B 3X5, Canadae-mail: aung@engr.mun.ca

Chan Y. Ching

Dept. of Mechanical Engineering, McMaster University, Hamilton, Ontario, L8S 4L7, Canadae-mail: chingcy@mcmaster.ca

J. Heat Transfer 123(4), 665-674 (Jan 20, 2001) (10 pages) doi:10.1115/1.1375165 History: Received June 30, 2000; Revised January 20, 2001
Copyright © 2001 by ASME
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References

Maciejewski,  P. K., and Moffat,  R. J., 1992, “Heat Transfer with Very High Freestream Turbulence: Part I — Experimental Data; Part II — Analysis of Results,” ASME J. Heat Transfer 114, pp. 827–839.
Larsson,  J., 1997, “Turbine Blade Heat Transfer Calculations Using Two-equation Turbulence Models,” Proc. Instn. Mech. Engrs. 221, Part A, pp. 253–262.
Guo,  S. M., Jones,  T. V., Lock,  G. M., and Dancer,  S. N., 1998, “Computational Prediction of Heat Transfer to Gas Turbine Nozzle Guide Vanes with Roughened Surfaces,” ASME J. Turbomach. 120, pp. 343–350.
Smith,  M. C., and Kuethe,  A. M., 1966, “Effects of Turbulence on Laminar Skin Friction and Heat Transfer, ” Phys. Fluids 9, No. 12, pp. 2337–2344.
Kestin,  J., and Wood,  R. T., 1971, “The Influence of Turbulence on Mass Transfer from Cylinders,” ASME J. Heat Transfer 93C, pp. 321–327.
Lowery,  G. W., and Vacon,  R. I., 1975, “Effect of Turbulence on Heat Transfer from Heated Cylinders,” Int. J. Heat Mass Transf. 18, No. 11, pp. 1229–1242.
O’Brien, J. E., and VanFossen, G. J., 1985, “The Influence of Jet-Grid Turbulence on Heat Transfer from the Stagnation Region of a Cylinder in Crossflow,” ASME Paper 85-HT-58.
Mehendale,  A. B., Han,  J. C., and Ou,  S., 1991, “Influence of High Mainstream Turbulence on Leading Edge Heat Transfer,” ASME J. Heat Transfer 113, pp. 843–850.
Han,  J. C., Zhang,  L., and Ou,  S., 1993, “Influence of Unsteady Wake on Heat Transfer Coefficients from a Gas Turbine Blade,” ASME J. Heat Transfer 115, pp. 904–911.
Yeh, F. C., Hippensteele, S. A., VanFossen, G. J., Poinsatte, P. E., and Ameri, A., 1993, “High Reynolds Number and Turbulence Effects on Aerodynamics and Heat Transfer in a Turbine Cascade,” AIAA-93-2252.
Zhang,  L., and Han,  J. C., 1994, “Influence of Mainstream Turbulence on Heat Transfer Coefficients from a Gas Turbine Blade,” ASME J. Heat Transfer 116, pp. 896–903.
VanFossen,  G. J., Simoneau,  R. J., and Ching,  C. Y., 1995, “Influence of Turbulence Parameters, Reynolds Number and Body Shape on Stagnation Region Heat Transfer,” ASME J. Heat Transfer 117, pp. 597–603.
Ahmaed,  G. R., and Yovanovich,  M. M., 1997, “Experimental Study of Forced Convection from Isothermal Circular and Square Cylinders and Toroids,” ASME J. Heat Transfer 119, pp. 70–79.
Du,  H., Ekkad,  S., and Han,  J. C., 1997, “Effect of Unsteady Wake with Trailing Edge Coolant Ejection on Detailed Heat Transfer Coefficient Distributions for a Gas Turbine Blade,” ASME J. Heat Transfer 119, 242–248.
Johnston, J. P., 1974, “The Effects of Rotation on Boundary Layers in Turbomachine Rotors,” NASA SP 304.
Lakshminarayana B., 1996, Fluid Dynamics and Heat Transfer of Turbomachinery, John Wiley & Sons, Inc., New York.
Sutera,  S. P., Maeder,  P. F., and Kestin,  J., 1963, “On the Sensitivity of Heat Transfer in the Stagnation-point Boundary Layer to Free-stream Vorticity,” J. Fluid Mech. 16, part 3, pp. 497–520.
Sutera,  S. P., 1965, “Vorticity Amplification in Stagnation-point Flow and its Effect on Heat Transfer,” J. Fluid Mech. 21, part 3, pp. 513–534.
Morkovin, M. V., 1979 “On the Question of Instabilities Upstream of Cylindrical Bodies,” MASA CR-3231.
Moffat,  R. J., 1988, “Describing the Uncertainties in Experimental Results,” Exp. Therm. Fluid Sci. 1, pp. 3–17.
Yavuzkurt,  S., 1984, “A Guide to Uncertainty Analysis of Hot-Wire Data,” ASME J. Fluids Eng. 106, pp. 181–186.
Roach,  P. E., 1987, “The generation of Nearly Isotropic Turbulence by Means of Grids,” Heat and Fluid Flow, 8, No. 2, pp. 82–92.
Frossling, N., 1958, “Evaporating Heat Transfer and Velocity Distribution in Two-Dimensional and Rotationally Symmetric Laminar Boundary Layer Flow,” NACA TM-1432.
Zdravkovich, M. M., 1997, Flow Around Circular Cylinders, Vol 1: Fundamentals, Oxford Science Publications, Oxford University Press; Oxford, United Kingdom.
Wei,  T., and Smith,  C. R., 1986, “Secondary Vortices in the Wake of Circular Cylinders,” J. Fluid Mech. 169, pp. 513.
Williamson,  C. H. K., 1996, “Vortex Dynamics in the Cylinder Wake,” Annu. Rev. Fluid Mech. 28, pp. 477–539.
Corke,  T., Krull,  J. D., and Ghassemi,  M., 1992, “Three-dimensional Mode Resonance in Far Wake,” J. Fluid Mech. 239, pp. 99–132.

Figures

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Vortex stretching and vorticity intensification around the leading edge
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Schematic diagram of heat transfer model
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Spanwise temperature distributions of heated stainless steel strips (○, strip no. 1; □, 2; ▵, 3; ⋄, 4;  * , 5; o, 6; +, 7; ×, 8; −, 9; ⋄, 10)
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Streamwise turbulence intensity downstream of the grids (⋄, —, 2.86 cm rod-grid; ▵, - - -, 1.59 cm rod-grid; ○, - — -, 0.95 cm rod-grid)
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Streamwise integral length scale downstream of the grids for ReD=108,350 (⋄, —, 2.86 cm rod-grid; ▵, - - -, 1.59 cm rod-grid; ○, - — -, 0.95 cm rod-grid)
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RMS fluctuating velocity components of grids in perpendicular orientation for ReD=108,350 (2.86 cm rod-grid; ⋄, u; ▵, v; ○, w; 1.59 cm rod-grid; ⋄, u; ▵, v; ○, w; 0.95 cm rod-grid: ⋄, u; ▵, v; ○ w)
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Distribution of Frossling number in the stagnation region for ReD=108,350 grids (⋄, 2.86 cm rod-grid; ▵, 1.59 cm rod-grid; ○, 0.95 cm rod-grid; —— Frossling solution))
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Stagnation line Frossling number for 2.86 cm rod-grid (⋄, ReD=67,750 (R); ⋄, 67,750 (L); ▵, 108,350 (R); ▵, 108,350 (L); ○, 142,250 (R); o, 142,250 (L))
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Stagnation line Frossling number for 1.59 cm rod-grid (⋄, ReD=67,750 (R); ⋄, 67,750 (L); ▵, 108,350 (R); ▵, 108,350 (L); ○, 142,250 (R); o, 142,250 (L))
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Stagnation line Frossling number for 0.95 cm rod-grid (⋄, ReD=67,750 (R); ⋄, 67,750 (L); ▵, 108,350 (R); ▵, 108,350 (L); ○, 142,250 (R); o, 142,250 (L))
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Difference in heat transfer with grid in perpendicular over parallel orientation for ReD=108,350 (⋄, 2.86 cm rod-grid; ▵, 1.59 cm rod-grid, ○, 0.95 cm rod-grid)
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Stagnation line Fr versus correlation parameter proposed by VanFossen et al. 12 (Orientation of rod-grids: ○, perpendicular; ▵, parallel, Correlation lines: ——, van Fossen et al.; - - -, +4%; — - —; −4%)
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Stagnation line Fr versus correlation parameter for both grid orientations (⋄, Data, Correlation lines: ——, Eq. (5); - - -, +6%; — - —; −6%)
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Stagnation line Fr versus correlation parameter for rod-grids in perpendicular orientation (⋄, Data, Correlation lines: ——, Eq. (6); - - -, +4%; — - —; −4%)
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Stagnation line Fr versus correlation parameter for rod-grids in parallel orientation (⋄, Data, Correlation lines: ——, Eq. (7); - - -, +4%; — - —; −4%)

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