Effect of Surface Curvature on Heat Transfer and Hydrodynamics Within a Single Hemispherical Dimple

[+] Author and Article Information
N. Syred, A. Khalatov

Department of Mechanical Engineering and Energy Studies, School of Engineering, Cardiff University, P.O. Box 685, The Parade, Cardiff CF23 3TA, United Kingdom

A. Kozlov

Department of Power Engineering, Kazan Scientific Centre, Russian Academy of Sciences, P.O. Box 190, City of Kazan, 420503, Russia

A. Shchukin, R. Agachev

Department of Aeroengines, Chair of Turbomachinery, Kazan State Technical University (KAI), 10 K. Marx St., City of Kazan, 420111, Russia

J. Turbomach 123(3), 609-613 (Feb 01, 2000) (5 pages) doi:10.1115/1.1348020 History: Received February 01, 2000
Copyright © 2001 by ASME
Your Session has timed out. Please sign back in to continue.


Wighart,  K., 1953, “Erhohung des turbulenten Reibungswiderstandes durch Oberflachenstorugen,” Forschung. Schiffstech., No. 1, pp. 65–68.
Bearman,  P. W., and Harvey,  J. K., 1976, “Golf Ball Aerodynamics,” Aeronaut. Q., 27, pp. 112–122.
Mehta,  R. D., 1985, “Aerodynamics of Sports Balls,” Annu. Rev. Fluid Mech., 17, pp. 151–189.
Lavrent’ev, M. A., and Shabat, B. V., 1977, Problems of Hydrodynamics and Its Mathematical Models [in Russian], Moscow, Russia, Nauka, p. 350.
Kiknadze,  G. I., and Krasnov,  Yu. K., 1986, “Evolution of the Tornado-Like Viscous Flows,” [in Russian], Dokl. Akad. Nauk, SSSR Gidromechanika, 290, pp. 1315–1319.
Kiknadze,  G. I., and Krasnov,  Yu. K., 1986, “Vortex Self-Organizing Over Hemispherical Dimple at Water Overflow,” [in Russian], Dokl. Akad. Nauk SSSR, Gidromechanika, 291, pp. 1315–1318.
Kuethe, A. M., 1971, “Boundary Layer Control of Flow Separation and Heat Exchange,” US Patent No. 3,578,264.
Kesarev,  V. S., and Kozlov,  A. P., 1993, “Flow Pattern and Heat Transfer at Hemispherical Dimple Flowing by Turbulized Air Flow,” [in Russian], Vestnik MGTU. Ser. Mashinostroenie, No.1, pp. 131–145.
Shchukin, A. V., Kozlov, A. P., and Agachev, R. S., 1995, “Study and Application of Hemispheric Cavities for Surface Heat Transfer Augmentation,” ASME Paper No. 95-GT-59.
Terekhov,  V. I., Kalinina,  S. V., and Mshvidobadze,  Yu. M., 1997, “Heat Transfer Coefficient and Aerodynamic Resistance on a Surface With a Single Dimple,” J. Enhanced Heat Transfer, 4, pp. 131–145.
Afanasyev, V. N., Chudnovsky, Ya. P., Leont’ev, A. I., and Roganov, P. S., 1993, “Turbulent Flow Friction and Heat Transfer Characteristics for Spherical Cavities on a Flat Plate,” Experimental Thermal and Fluid Science, Elsevier Science, New York, Chap. 7, pp. 1–8.
Gachechiladze, I. A., Kiknadze, G. I., and Krasnov, Yu. K., 1988, “Heat Transfer at Self-formation of Whirlwind Structure” [in Russian], Heat and Mass Transfer, Convective, Radiation and Complex Heat Transfer, Problem Reports, Minsk, ITMO AN BSSR, pp. 83–125.
Nagoga, G. P., 1996, Effective Blade Cooling Techniques for High Performance Gas Turbines [in Russian], Moscow, Russia, Aviation Institute, p. 105.
Moon,  H. K., O’Connell,  T. O., and Glezer,  B., 2000, “Channel Height Effect on Heat Transfer and Friction in a Dimpled Passage,” ASME J. Eng. Gas Turbines Power, 122, pp. 307–313.
Chyu, M. K., Yu. Y., Ding, H., Downs, J. P., and Soechting, F. O., 1997, “Concavity Enhanced Heat Transfer in an Internal Cooling Passage,” ASME Paper No. 97-GT-437.
Gortyshev, Yu. F., and Popov, I. A., 1998, “Studies of Hydrodynamics and Heat Exchange With Various Types of Intensifiers,” Proc. 11th International Heat Transfer Conference, Vol. 6, Aug. 23–28, Kyongju, Korea.
Khalatov, A. A., and Izgoreva, I. A., 1996, “Heat Transfer Over Dimpled Surfaces” [in Russian], Report TGD-96-1, Institute of Engineering Thermophysics, Kiev, Ukraine, p. 45.
Shchukin,  A. V., Kozlov,  A. P., Chudnovsky,  Ya. P., and Agachev,  R. S., 1998, “Intensification of Heat Exchange by Spherical Depressions: a Survey,” Appl. Energy, 36, No. 3, pp. 45–62.
Belen’ky,  M. Ya., , 1995, “Thermal-Hydraulic Characteristics of Transversally Streamlined Dimpled Surfaces,” [in Russian], Teploenergetika, No. 1, pp. 49–51.
Khalatov,  A. A., Kovalenko,  G. V., and Geletuha,  G. G., 1997, “Heat Transfer on Horizontal Dimpled Tube at a Water Boiling in a Large Space,” [in Russian], Promyshlennaya Teplotechnika, 19, No. 1, pp. 53–57.
Khalatov, A. A., Kovalenko, G. V., and Geletuha, G. G., 1997, “Heat Exchange Surface,” Patent of the Ukraine, No. 13888A, Priority of July 12, 1994.
Khalatov, A. A., et al., 1999, Thermogasdynamics of Complex Flows Over Curved Surfaces [in Russian], Institute of Engineering Thermophysics, Kiev, Ukraine, p. 300.
Kutateladze, S. S., Volchkov, E. P., and Terekhov, V. I., 1987, Aerodynamics and Heat and Mass Exchange in Bounded Vortex Flows, Novosibirsk, Institute of Thermophysics, Siberian Branch of Academy of Sciences USSR.


Grahic Jump Location
Turbine blade cooling passage with hemispherical surface dimples in a leading edge area (concave wall; possible design)
Grahic Jump Location
Test section: (1) straight rectangular passage; (2) curved passage; (3) flow turbulator; (4) dimple
Grahic Jump Location
Average static pressure coefficient in a dimple “pole” versus curvature parameter: open symbols-dimple on a concave wall; close symbols-dimple on a convex wall
Grahic Jump Location
Local Stanton number distributions: lengthwise meridian cross section of a dimple. Re=2.2×105: open symbols=dimple on a concave wall; closed symbols=dimple on a convex wall. (1) dimple on a flat plate; (2) δ/R=0.2×10−3; (3) 0.44×10−3; (4) 1.1×10−3; (5)=1.7×10−3; (6) 2.2×10−3; (7)=3.5×10−3; (8) 5.2×10−3; (9) 6.9×10−3;lx=distance in streamwise direction.
Grahic Jump Location
Average Stanton number in a “curved” dimple; Red=u0d /ν; designations: Fig. 4
Grahic Jump Location
Relative Stanton number: (1) concave wall; (2) convex wall; curves: smooth curved surface [correlations (1) & (2)]; dots: dimpled curved surface (present experiments)
Grahic Jump Location
Summarizing of experimental data: dimple on a concave or convex surface; solid line: single dimple on a flat plate
Grahic Jump Location
Average relative heat transfer rate: various configurations; δ**/R=2×10−3,Red=8×104




Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related Journal Articles
Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In