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首页> 外文会议>Recent researches in mechanics >Numerical Investigations of Flow on the Kaplan Turbine Runner Blade Anticavitation Lip with Modified Cross Section
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Numerical Investigations of Flow on the Kaplan Turbine Runner Blade Anticavitation Lip with Modified Cross Section

机译：变截面Kaplan涡轮叶轮叶片抗空化流动的数值研究。

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摘要

The cavitation phenomenon is an important cause of wear and damages of Kaplan and bulb turbines. In order to decrease the erosion rate on the blade and on the runner chamber an anticavitation lip is disposed on the suction side of the runner blade. The goal of the research presented in this paper was to observe the flow behavior for two types of geometry of Kaplan runner blade anticavitation lip. The first lip had the original dimensions from the hydropower plant. The second lip had a modified cross section and smooth edges at the extremities. Tip vortex, cavitation caverns and pressure coefficient diagrams were generated.
机译：空化现象是卡普兰和球形涡轮磨损和损坏的重要原因。为了降低叶片和流道室上的腐蚀速率，在流道叶片的吸力侧设置了防倾唇。本文提出的研究目的是观察两种类型的Kaplan转轮叶片抗气蚀唇的流动行为。第一唇具有水力发电站的原始尺寸。第二个嘴唇的横截面经过修改，四肢的边缘光滑。生成了尖端涡，空化洞穴和压力系数图。

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  • 来源
    《Recent researches in mechanics》|2011年|p.215-218|共4页
  • 会议地点 Corfu Island(GR);Corfu Island(GR);Corfu Island(GR);Corfu Island(GR);Corfu Island(GR);Corfu Island(GR);Corfu Island(GR);Corfu Island(GR)
  • 作者

    Vasile Cojocaru; Daniel Balint; Viorel Constantin Campian; Dorian Nedelcu; Camelia Jianu;

  • 作者单位

    Center for Research in Hydraulics, Automation and Thermal Processes - CCHAPT, 'Eftimie Murgu' University of Resita, Traian Vuia square, no. 1-4, 320085, Resita, Romania;

    Center for Research in Hydraulics, Automation and Thermal Processes, 'Eftimie Murgu' University of Resita;

    Center for Research in Hydraulics, Automation and Thermal Processes, 'Eftimie Murgu' University of Resita;

    Center for Research in Hydraulics, Automation and Thermal Processes, 'Eftimie Murgu' University of Resita;

    Center for Research in Hydraulics, Automation and Thermal Processes, 'Eftimie Murgu' University of Resita;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 机械制造工艺;
  • 关键词

    anticavitation lip; cavitation; kaplan runner blade; numerical investigations; tip vortex;

    机译：抗空化脂质空化卡普兰转轮叶片数值研究；尖端涡;

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