Effect of Trailing Edge Geometry and Thickness on the Performance of Certain Turbine Stator Blading

Released on by Herman W. Prust
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  • Effect of Trailing Edge Geometry and Thickness on the Performance of Certain Turbine Stator Blading Book Detail

  • Author : Herman W. Prust
  • Release Date : 1972
  • Publisher :
  • Genre : Fluid dynamics
  • Pages : 28
  • ISBN 13 :
  • File Size : 8,8 MB
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Effect of Trailing Edge Geometry and Thickness on the Performance of Certain Turbine Stator Blading by Herman W. Prust PDF Summary

Book Description: The experimental and analytical investigation included solid blades with five different trailing-edge thicknesses and four different trailing-edge geometries. One of the geometries was round, one was square, one was tapered from the suction surface, and the other tapered from the pressure surface. One of the trailing-edge thicknesses was sharp edged; the other four thicknesses were equivalent to about 5, 11, 16, and 20 percent of the blade throat width. The experimental results show increased efficiency loss for increased trailing-edge thickness for all trailing-edge geometries. The blade with round trailing edge, equal to about 11 percent of the blade throat width, had 60 percent more loss than the sharp-edged blade. For the same trailing-edge thickness, square trailing edges caused more loss than round trailing edges, and the tapered trailing edges caused about the same loss as the round trailing edges.

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