Detailed CFD analysis of the steady flow in a wells turbine under incipient and deep stall conditions

Journal of Fluids Engineering, Transactions of the ASME

Volumn 131, Issue 7, 2009, Pages 0711031-07110317

  Torresi, M ^a   Camporeale, S M ^a   Pascazio, G ^a  

^a POLITECNICO DI BARI   (Italy)

Author keywords

[No Author keywords available]

Indexed keywords

ACCURATE PREDICTION; ANISOTROPY INVARIANT MAP; CFD ANALYSIS; COMPLEX FLOW; DEEP STALL; EXPERIMENTAL DATA; HIGH EFFICIENCY; HIGH FLOW; HIGH ROTATIONAL SPEED; NUMERICAL SIMULATION; OPERATING RANGES; OSCILLATING WATER COLUMN; REYNOLDS AVERAGED NAVIER-STOKES EQUATION; REYNOLDS STRESS MODELS; SPALART-ALLMARAS; THREE MODELS; TIP LEAKAGE; TURBINE BLADE; TURBINE PERFORMANCE; WAVE ENERGY; WELLS TURBINE;

COMPUTATIONAL FLUID DYNAMICS; COMPUTER HARDWARE DESCRIPTION LANGUAGES; COMPUTER SIMULATION; ENERGY CONVERSION; HYDRAULIC TURBINES; LEAKAGE (FLUID); NAVIER STOKES EQUATIONS; TURBOMACHINE BLADES; TURBULENCE MODELS; TURBULENT FLOW; WAVE ENERGY CONVERSION; WAVE POWER; WELLS;

DATA FLOW ANALYSIS;

EID: 77955294068     PISSN: 00982202     EISSN: 1528901X     Source Type: Journal    
DOI: 10.1115/1.3155921     Document Type: Article

References (38)

1. Clément, A., McCullen, P., Falcão, A., Fiorentino, A., Gardner, F., Hammarlund, K., Lemonis, G., Lewis, T., Nielsen, K., Petroncini, S., Pontes, M.-T., Schild, P., Sjöström, B.-O., Sørensen, H. C., and Thorpe, T., 2002, "Wave Energy in Europe: Current Status and Perspectives," Renewable Sustainable Energy Rev., 6, pp. 405-431.
2. Masuda, Y., Miyazaki, Y., Yamada, O., and Hiramoto, A., 1981, "Wave Power Generator Assembly," U.S. Patent No. 4405866.
3. Raghunathan, S., 1995, "The Wells Air Turbine for Wave Energy Conversion," Prog. Aerosp. Sci., 31, pp. 335-386.
4. Brito-Melo, A., Gato, L. M. C., and Sarmento, A. J. N. A., 2002, "Analysis of Wells Turbine Design Parameters by Numerical Simulation of the OWC Performance," Ocean Eng., 29, pp. 1463-1477.
5. Curran, R., Stewart, T. P., and Whittaker, T. J. T., 1997, "Design Synthesis of Oscillating Water Column Wave Energy Converters: Performance Matching," Proc. Inst. Mech. Eng., Part A, 211, pp. 489-505.
6. Thakker, A., Frawley, P., and Bajeet, E. S., 2001, "Experimental Investigation of CA9 Blades on a 0.6 m Wells Turbine Rig," Fourth European Conference on Turbomachinery, Firenze, Italy, Paper No. ATI-CST-062/01.
7. Cocco, D., Nurzia, F., and Puddu, P., 2001, "Analisi Fluidodinamiche su Turbina Wells: Risultati Sperimentali e Teorici Ottenuti Presso il DIMECA," III Convegno MiniHydro, Acquafredda di Maratea (PZ), Italy.
8. Inoue, M., Kaneko, K., Setoguchi, T., and Raghunathan, S., 1987, "The Fundamental Characteristics and Future of Wells Turbine for Wave Power Generation," Science of Machine, 39, pp. 275-280.
9. Raghunathan, S., Tan, C. P., and Wells, N. A. J., 1982, "Theory and Performance of a Wells Turbine," J. Energy, 6, pp. 157-160.
10. Gato, L. M. C., and de O. Falcão, A. F., 1984, "On the Theory of the Wells Turbine," Trans. ASME: J. Eng. Gas Turbines Power, 106, pp. 628-633.
11. Thakker, A., Frawley, P., and Bajeet, E. S., 2001, "Performance Simulation of CA9 Wells Turbine Rotor Using a 3-D Navier-Stokes Explicit Solver," Fourth European Conference on Turbomachinery, Firenze, Italy, Paper No. ATI-CST-063/01.
12. Kim, T. H., Setoguchi, T., Kaneko, K., and Raghunathan, S., 2002, "Numerical Investigation on the Effect of Blade Sweep on the Performance of Wells Turbine," Renewable Energy, 25, pp. 235-248.
13. Dhanasekaran, T., and Govardhan, M., 2005, "Computational Analysis of Performance and Flow Investigation on Wells Turbine for Wave Energy Conversion," Renewable Energy, 30, pp. 2129-2147.
14. Thakker, A., and Dhanasekaran, T. S., 2004, "Computed Effects of Tip Clearance on Performance of Impulse Turbine for Wave Energy Conversion," Renewable Energy, 29, pp. 529-547.
15. Torresi, M., Camporeale, S. M., Strippoli, P. D., and Pascazio, G., 2008, "Accurate Numerical Simulation of a High Solidity Wells Turbine," Renewable Energy, 33, pp. 735-747.
16. Boccotti, P., 2004, Gli impianti REWEC, Editoriale Bios, Cosenza, Italy.
17. Boccotti, P., 2007, "Caisson Breakwaters Embodying an OWC With a Small Opening-Part I: Theory," Ocean Eng., 34(5-6), pp. 806-819.
18. Camporeale, S., Torresi, M., Fortunato, B., and Filianoti, P., 2003, "Design of a Self-Rectifying Hydraulic Turbine for a Sea-Wave Energy Conversion Device," 16th International Conference on Efficiency, Costs, Optimization, Simulation and Environmental Impact of Energy Systems, Copenhagen, Denmark, Jun. 30-Jul. 2.
19. Boccotti, P., 2007, "Comparison Between a U-OWC and a Conventional OWC," Ocean Eng., 34(5-6), pp. 799-805.
20. Torresi, M., Camporeale, S., and Pascazio, G., 2007, "Performance of a Small Prototype of a High Solidity Wells Turbine," Seventh European Conference on Turbomachinery Fluid Dynamics and Thermodynamics, Athens, Greece, Mar. 5-9.
21. Torresi, M., Camporeale, S., and Pascazio, G., 2007, "Experimental and Numerical Investigation on the Performance of a Wells Turbine Prototype," Seventh European Wave and Tidal Energy Conference, Porto, Portugal, Sept. 11-14.
22. Filianoti, P., and Camporeale, S., 2007, "A Small Scale Field Experiment on a Wells Turbine Model," Seventh European Wave and Tidal Energy Conference, Porto, Portugal, Sept. 11-14.
23. Camporeale, S., Torresi, M., Pascazio, G., and Fortunato, B., 2003, "A 3D Unsteady Analysis of a Wells Turbine in a Sea-Wave Energy Conversion Device," ASME TURBO EXPO 2003, Atlanta, GA, Paper No. GT2003-38715.
24. Torresi, M., Camporeale, S. M., Pascazio, G., and Fortunato, B., 2004, Fluid Dynamic Analysis of a Low Solidity Wells Turbine, 59° Congresso ATI, Genova, Italy.
25. Torresi, M., Camporeale, S. M., and Pascazio, G., 2006, "Studio Teorico Dell'influenza dei Parametri Geometrici Sulle Prestazioni di Turbine Wells," 61° Congresso ATI, Perugia, Italy.
26. Spalart, P. R., and Allmaras, S. R., 1994, "A One-Equation Turbulence Model for Aerodynamic Flows," Rech. Aerosp., 1, pp. 5-21.
27. Menter, F. R., 1994, "Two-Equation Eddy-Viscosity Turbulence Models for Engineering Applications," AIAA J., 32, pp. 1598-1605.
28. Wilcox, D. C., 1998, Turbulence Models for CFD, DCW Industries, Inc., La Canada, CA.
29. Launder, B. E., 1989, "Second-Moment Closure and Its Use in Modeling Turbulent Industrial Flows," Int. J. Numer. Methods Fluids, 9, pp. 963-985.
30. Launder, B. E., 1989, "Second-Moment Closure: Present and Future?," Int. J. Heat Fluid Flow, 10, pp. 282-300.
31. Wells, A. A., 1976, "Fluid Driven Rotary Transducer," Br. Patent No. 1595700.
32. Henriques, J. C. C., and Gato, L. M. C., 2002, "Use of a Residual Distribution Euler Solver to Study the Occurrence of Transonic Flow in Wells Turbine Rotor Blades," Comput. Mech., 29, pp. 243-253.
33. Horlock, J. H., 1978, Actuator Disk Theory, McGraw-Hill, London.
34. Curran, R., and Gato, L. M. C., 1997, "The Energy Conversion Performance of Several Types of Wells Turbine Designs," Proc. Inst. Mech. Eng., Part A, 211, pp. 133-145.
35. Lumley, J. L., 1979, "Computational Modeling of Turbulent Flows," Adv. Appl. Mech., 18, pp. 123-176.
36. Escudié, R., and Liné, A., 2006, "Analysis of Turbulence Anisotropy in a Mixing Tank," Chem. Eng. Sci., 61, pp. 2771-2779.
37. Im, Y. H., Huh, H. Y., and Kim, K.-Y., 2002, "Analysis of Impinging and Countercurrent Stagnating Flows by Reynolds Stress Model," ASME Trans. J. Fluids Eng., 124, pp. 706-718.
38. Krogstad, P.-Å., and Torbergsen, L. E., 2000, "Invariant Analysis of Turbulent Pipe Flow," Flow, Turbul. Combust., 64, pp. 161-181.