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Title: Second-stage turbine bucket airfoil

Abstract

The second-stage buckets have airfoil profiles substantially in accordance with Cartesian coordinate values of X, Y and Z set forth in inches in Table I wherein Z is a perpendicular distance from a plane normal to a radius of the turbine centerline and containing the X and Y values with the Z value commencing at zero in the X, Y plane at the radially innermost aerodynamic section of the airfoil and X and Y are coordinate values defining the airfoil profile at each distance Z. The X and Y values may be scaled as a function of the same constant or number to provide a scaled-up or scaled-down airfoil section for the bucket. The second-stage wheel has sixty buckets.

Inventors:
 [1];  [2];  [3];  [4]
  1. (Greenville, SC)
  2. (Simpsonville, SC)
  3. (Mauldin, SC)
  4. (Piedmont, SC)
Publication Date:
Research Org.:
General Electric Company (Schenectady, NY)
OSTI Identifier:
874730
Patent Number(s):
US 6450770
Assignee:
General Electric Company (Schenectady, NY) NETL
DOE Contract Number:  
FC21-95MC31176
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
second-stage; turbine; bucket; airfoil; buckets; profiles; substantially; cartesian; coordinate; values; z; set; forth; inches; perpendicular; distance; plane; normal; radius; centerline; containing; value; commencing; zero; radially; innermost; aerodynamic; section; defining; profile; scaled; function; constant; provide; scaled-up; scaled-down; wheel; sixty; set forth; plane normal; /416/

Citation Formats

Wang, John Zhiqiang, By, Robert Romany, Sims, Calvin L., and Hyde, Susan Marie. Second-stage turbine bucket airfoil. United States: N. p., 2002. Web.
Wang, John Zhiqiang, By, Robert Romany, Sims, Calvin L., & Hyde, Susan Marie. Second-stage turbine bucket airfoil. United States.
Wang, John Zhiqiang, By, Robert Romany, Sims, Calvin L., and Hyde, Susan Marie. Tue . "Second-stage turbine bucket airfoil". United States. https://www.osti.gov/servlets/purl/874730.
@article{osti_874730,
title = {Second-stage turbine bucket airfoil},
author = {Wang, John Zhiqiang and By, Robert Romany and Sims, Calvin L. and Hyde, Susan Marie},
abstractNote = {The second-stage buckets have airfoil profiles substantially in accordance with Cartesian coordinate values of X, Y and Z set forth in inches in Table I wherein Z is a perpendicular distance from a plane normal to a radius of the turbine centerline and containing the X and Y values with the Z value commencing at zero in the X, Y plane at the radially innermost aerodynamic section of the airfoil and X and Y are coordinate values defining the airfoil profile at each distance Z. The X and Y values may be scaled as a function of the same constant or number to provide a scaled-up or scaled-down airfoil section for the bucket. The second-stage wheel has sixty buckets.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2002},
month = {1}
}

Patent:

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