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AIRFOIL SHAPE FOR TURBINE BUCKET AND TURBINE INCORPORATING SAME

  • US 20130071249A1
  • Filed: 09/19/2011
  • Published: 03/21/2013
  • Est. Priority Date: 09/19/2011
  • Status: Active Grant
First Claim
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1. A turbine bucket including a bucket airfoil having an airfoil shape, the bucket airfoil having a nominal profile substantially in accordance with Cartesian coordinate values of X, Y and Z set forth in Table 1 wherein the Z values are non-dimensional values from 0% to 100% convertible to Z distances in inches by multiplying the Z values by a height of the airfoil in inches and adding the radius of the airfoil base, and wherein X and Y are distances in inches which, when connected by smooth continuing arcs, define airfoil profile sections at each distance Z, the profile sections at the Z distances being joined smoothly with one another to form a complete airfoil shape.

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