TURBINE BLADE CENTROID SHIFTING METHOD AND SYSTEM

Title:

TURBINE BLADE CENTROID SHIFTING METHOD AND SYSTEM

Document Type and Number:

Japanese Patent JP2017145829

Kind Code:

A

Abstract:

PROBLEM TO BE SOLVED: To provide a system and method for producing a gas turbine blade by shifting blade stack centroids that are defined by three blade stack portions.SOLUTION: A method for producing a rotating turbine blade and tuning the natural frequencies (ω) of the blade is disclosed that changes the second effective beam length L2 of the blade thereby changing the separation between the first natural frequency (ω) and the second natural frequency (ω) of the blade.SELECTED DRAWING: Figure 2

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Inventors:

MARK ANDREW JONES
LEE LARNED BROZYNA

Application Number:

JP2017024578A

Publication Date:

August 24, 2017

Filing Date:

February 14, 2017

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