| 摘要 |
A turbine stator vane with a low volume cooling circuit, the vane includes inner and outer endwall impingement cavities that feed cooling air to upward and downward flowing near wall cooling passages formed within the walls of the airfoil. The cooling passages then discharge into a collection cavity where the cooling air then flows out through trailing edge exit holes to cool the trailing edge region. The cooling passages are staggered from upward flowing to downward flowing.
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