Method and system for leading edge auxiliary turbine vanes
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United States of America Patent
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May 11, 2021
Grant Date -
Nov 22, 2018
app pub date -
May 22, 2017
filing date -
May 22, 2017
priority date (Note) -
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Abstract
An apparatus and method of managing negative incidence of an airfoil are provided. The apparatus includes a first row of stationary turbine main vanes and a second row of auxiliary vanes extending radially inwardly from a stationary casing of the turbine proximate the adjacent leading edge of the main vane. The apparatus also includes a flow channel defined between a pressure side of an auxiliary vane of the second row of auxiliary vanes and a suction side of an adjacent main vane of the row of stationary turbine main vanes.
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