Turbine blade and gas turbine including the same
Number of patents in Portfolio can not be more than 2000
United States of America
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-
Jan 7, 2025
Grant Date -
Dec 28, 2023
app pub date -
Jun 5, 2023
filing date -
Jun 5, 2023
priority date (Note) -
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status (Latency Note)
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Abstract
Disclosed herein is a turbine blade having a leading edge, a trailing edge, a pressure side, and a suction side and having a cooling passage formed therein. The turbine blade includes a plurality of cooling holes formed on the pressure side or the suction side. Each of the cooling holes includes, a through-hole having a circular cross-section and angled outwardly toward the pressure side or the suction side from the cooling passage, a circular sink formed concavely with respect to the pressure side or the suction side in the vicinity of an upstream side of an exit of the through-hole, and an elliptical sink formed concavely with respect to the pressure side or the suction side in the vicinity of a downstream side of the exit of the through-hole.
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