Method of measuring turbine blade tip erosion
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United States of America
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Jan 7, 2020
Grant Date -
Aug 11, 2016
app pub date -
Apr 21, 2016
filing date -
Apr 21, 2016
priority date (Note) -
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Abstract
A method of designing a turbine blade includes the steps of forming at least two notches on a tip of a turbine blade, each of the at least two notches having a known dimension. The turbine blade has a pressure side and a suction side. The method further includes the step of operating a gas turbine engine including the turbine blade to expand a length of the turbine blade such that the tip of the turbine engages a casing. The method further includes the steps of viewing the tip of the turbine blade after the step of operating of the gas turbine engine, determining an appearance of the notches on the tip and determining a manufacturing length of the turbine blade based on the step of determining the appearance the notches.
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