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DescriptionGaTurbineBlade.svg
English: A schematic of a high-pressure turbine blade as used in aircraft jet engines. An internal cooling system enables a temperature gradient across the walls of the blade. Cooling holes allow the cooling air to exit and cover the outer blade surface with a cooling film.
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{{Information |Description={{en|1=A high-pressure turbine blade with internal cooling as used in aircraft jet engines.}} |Source=Own work by uploader; produced with Adobe illustrator |Author=Tomeasy |Date=2009-02-17 |Permission= |other_ve