PREDICTION OF SECONDARY FLOW FEATURES IN A LOW PRESSURE TURBINE

被引:0
作者
Jonak, Pawel [1 ]
Borzecki, Tomasz [2 ]
Konopa, Maciej [3 ]
Kubacki, Slawomir [1 ]
机构
[1] Warsaw Univ Technol, Inst Aeronaut & Appl Mech, Nowowiejska 24, PL-00665 Warsaw, Poland
[2] Avio Aero, Grazynskiego 141, PL-43300 Bielsko Biala, Poland
[3] Polonia Aero Sp Zoo, Lab Badan Napedow Lotniczych, 111 Eskadry Mysliwskiej 1, PL-05220 Zielonka, Poland
来源
PROCEEDINGS OF THE ASME TURBO EXPO: TURBOMACHINERY TECHNICAL CONFERENCE AND EXPOSITION, 2018, VOL 2B | 2018年
关键词
ENDWALL;
D O I
暂无
中图分类号
V [航空、航天];
学科分类号
08 ; 0825 ;
摘要
A simulation of the flow through a four-stage low pressure turbine (LPT) of an aero-engine is performed using an eddy viscosity based RANS model. An analysis of secondary flow details in the vicinity of endwalls and strut surface is performed. An interaction of wakes generated by the swirler vanes and end wall boundary layers is also studied. The CFD results are compared with own test rig data of LPT obtained in Polonia Aero Lab in Zielonka (Poland). Global flow parameters were reproduced in good agreement with experiment (difference less than 1.5%). Satisfactory agreement between measured and predicted pressure distribution on the surface of inlet strut has been obtained.
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页数:12
相关论文
共 17 条
  • [1] Arisi A, 2016, PROCEEDINGS OF THE ASME TURBO EXPO: TURBINE TECHNICAL CONFERENCE AND EXPOSITION, 2016, VOL 5A
  • [2] Numerical investigation of secondary flows in a high-lift low pressure turbine
    Cui, J.
    Rao, V. Nagabhushana
    Tucker, P. G.
    [J]. INTERNATIONAL JOURNAL OF HEAT AND FLUID FLOW, 2017, 63 : 149 - 157
  • [3] Dunham J., 1970, J MECH ENG SCI, V12, P48
  • [4] TURBULENT TRANSPORT ON THE ENDWALL IN THE REGION BETWEEN ADJACENT TURBINE-BLADES
    GOLDSTEIN, RJ
    SPORES, RA
    [J]. JOURNAL OF HEAT TRANSFER-TRANSACTIONS OF THE ASME, 1988, 110 (4A): : 862 - 869
  • [5] Gregory-Smith D. G., 1990, GAS TURB AER C EXP B
  • [6] TURBULENCE MEASUREMENTS AND SECONDARY FLOWS IN A TURBINE ROTOR CASCADE
    GREGORYSMITH, DG
    WALSH, JA
    GRAVES, CP
    FULTON, KP
    [J]. JOURNAL OF TURBOMACHINERY-TRANSACTIONS OF THE ASME, 1988, 110 (04): : 479 - 485
  • [7] 3-DIMENSIONAL FLOW WITHIN A TURBINE CASCADE PASSAGE
    LANGSTON, LS
    NICE, ML
    HOOPER, RM
    [J]. JOURNAL OF ENGINEERING FOR POWER-TRANSACTIONS OF THE ASME, 1977, 99 (01): : 21 - 28
  • [8] Langston LS, 2001, ANN NY ACAD SCI, V934, P11
  • [9] Ligrani P, 2017, PROPULS POWER RES, V6, P1, DOI 10.1016/j.jppr.2017.01.006
  • [10] Measurements of Losses and Reynolds Stresses in the Secondary Flow Downstream of a Low-Speed Linear Turbine Cascade
    MacIsaac, G. D.
    Sjolander, S. A.
    Praisner, T. J.
    [J]. JOURNAL OF TURBOMACHINERY-TRANSACTIONS OF THE ASME, 2012, 134 (06):