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[해외논문] Tip leakage aerodynamics over stepped squealer tips in a turbine cascade

Experimental thermal and fluid science : ETF science, v.35 no.1, 2011년, pp.135 - 145  

Lee, S.E. (School of Mechanical Engineering, Kumoh National Institute of Technology, 1 Yangho-dong, Gumi, Gyeongbuk 730-701, Republic of Korea) ,  Lee, S.W. (School of Mechanical Engineering, Kumoh National Institute of Technology, 1 Yangho-dong, Gumi, Gyeongbuk 730-701, Republic of Korea) ,  Kwak, H.S.

Abstract AI-Helper 아이콘AI-Helper

Tip gap flow physics and aerodynamic loss generations for two stepped squealer tips of a ''Higher Pressure-side rim and Lower Suction-side rim'' (HPLS) tip and a ''Lower Pressure-side rim and Higher Suction-side rim'' (LPHS) tip have been investigated in a turbine cascade. For a fixed tip gap height...

Keyword

참고문헌 (28)

  1. ASME Journal of Turbomachinery Sjolander 109 237 1987 10.1115/1.3262090 Effects of tip clearance on blade loading in a planar cascade of turbine blades 

  2. ASME Journal of Turbomachinery Bindon 111 257 1989 10.1115/1.3262264 The measurement and formation of tip clearance loss 

  3. ASME Journal of Turbomachinery Yamamoto 111 264 1989 10.1115/1.3262265 Endwall flow/loss mechanisms in a linear turbine cascade with blade tip clearance 

  4. ASME Journal of Turbomachinery Bindon 114 198 1992 10.1115/1.2927985 The development of axial turbine leakage loss for two profiled tip geometries using linear cascade data 

  5. ASME Journal of Turbomachinery Azad 122 717 2000 10.1115/1.1308567 Heat transfer and pressure distributions on a gas turbine blade tip 

  6. ASME Journal of Turbomachinery Bunker 122 263 2000 10.1115/1.555443 Heat transfer and flow on the first-stage blade tip of a power generation gas turbine: part 1-experimental results 

  7. ASME Journal of Turbomachinery Ameri 122 272 2000 10.1115/1.555444 Heat transfer and flow on the first-stage blade tip of a power generation gas turbine: part 2-simulation results 

  8. ASME Journal of Turbomachinery Tallman 123 314 2001 10.1115/1.1368881 Numerical simulation of tip leakage flow in axial flow turbines, with emphasis on flow physics: part I-effect of tip clearance height 

  9. ASME Journal of Turbomachinery Matsunuma 128 166 2006 10.1115/1.2103091 Effects of Reynolds number and free-stream turbulence on turbine tip clearance flow 

  10. International Journal of Heat and Fluid Flow Lee 30 198 2009 10.1016/j.ijheatfluidflow.2008.12.009 Tip gap height effects on flow structure and heat/mass transfer over plane tip of a high-turning turbine rotor blade 

  11. ASME Journal of Turbomachinery Ameri 120 753 1998 10.1115/1.2841786 Effect of squealer tip on rotor heat transfer and efficiency 

  12. ASME Journal of Turbomachinery Azad 122 725 2000 10.1115/1.1311284 Heat transfer and flow on the squealer tip of a gas turbine blade 

  13. ASME Journal of Turbomachinery Key 128 213 2006 10.1115/1.2162183 Comparison of turbine tip leakage flow for flat tip and squealer tip geometries at high speed conditions 

  14. ASME Journal of Turbomachinery Mischo 130 021008-1 2008 10.1115/1.2775485 Flow physics and profiling of recessed blade tips: impact on performance and heat load 

  15. Experimental Thermal and Fluid Science Lee 32 1440 2008 10.1016/j.expthermflusci.2008.03.004 Effects of squealer rim height on aerodynamic losses downstream of a high-turning turbine rotor blade 

  16. Experiments in Fluids Lee 2010 Tip gap height effects on the aerodynamic performance of a cavity squealer tip in a turbine cascade in comparison with plane tip results: part 1 - tip gap flow structure 

  17. Experiments in Fluids Lee 2010 Tip gap height effects on the aerodynamic performance of a cavity squealer tip in a turbine cascade in comparison with plane tip results: part 2 - aerodynamic losses 

  18. ASME Journal of Turbomachinery Heyes 114 643 1992 10.1115/1.2929188 The effect of blade tip geometry on the tip leakage flow in axial turbine cascades 

  19. ASME Journal of Turbomachinery Ameri 123 704 2001 10.1115/1.1400114 Heat transfer and flow on the blade tip of a gas turbine equipped with a mean camberline strip 

  20. ASME Journal of Turbomachinery Kwak 125 778 2003 10.1115/1.1626684 Heat transfer coefficients on the squealer tip and near-tip regions of a gas turbine blade with single or double squealer 

  21. ASME Journal of Turbomachinery Nasir 126 221 2004 10.1115/1.1731416 Effect of tip gap and squealer geometry on detailed heat transfer measurements over a high pressure turbine rotor blade tip 

  22. International Journal of Heat and Mass Transfer Kwak 47 5651 2004 10.1016/j.ijheatmasstransfer.2004.07.029 Effect of rim location, rim height, and tip clearance on the tip and near tip region heat transfer of a gas turbine blade 

  23. ASME Journal of Turbomachinery Camci 127 14 2005 10.1115/1.1791279 Aerodynamics of tip leakage flows near squealer rims in an axial flow turbine stage 

  24. ASME Journal of Turbomachinery Newton 128 300 2006 10.1115/1.2137745 Heat transfer and aerodynamics of turbine blade tips in a linear cascade 

  25. ASME Journal of Turbomachinery Krishnababu 131 011006-1 2009 Aerothermal investigations of tip leakage flow in axial flow turbine - part 1: effect of tip geometry and tip clearance gap 

  26. ISA Transactions Treaster 18 23 1979 The calibration and application of five-hole probes 

  27. KSME International Journal Lee 13 273 1999 10.1007/BF02970486 An investigation of wall-proximity effect using a typical large-scale five-hole probe 

  28. ASME Journal of Fluids Engineering Abernethy 107 161 1985 10.1115/1.3242450 ASME measurement uncertainty 

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