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Turbine blade with impingement cooling cavities and platform cooling channels connected in series
Turbine blade with impingement cooling cavities and platform cooling channels connected in series
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机译:带有冲击冷却腔和平台冷却通道的涡轮叶片串联
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摘要
A turbine rotor blade with impingement cooling cavities for the airfoil and serpentine flow cooling channels for the platform of the blade. Two impingement cavities provide cooling for the forward section of the airfoil while another two impingement cavities provide cooling for the aft section of the airfoil. Both impingement cavity cooling circuits are connected in series to platform cooling channels that use the same cooling air to cool the platform. The spent cooling air from the platform cooling channels is discharged into a dead rim cavity as purge air for the blade. The blade with the impingement cavities and the platform serpentine flow cooling channels are all formed as a single piece from a metal printing process.
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