P The invention relates to a blade (11) for a turbine, the blade having a foot (13) allowing it to be brought into a cell (14) of a disc (12) of the turbine, the blade having a internal air cooling circuit comprising air inlet means (15) located on the root of the blade and facing the air cavity, and air outlet means. The blade root (13) is provided with means (20) for homogenizing the pressure and the temperature of the cooling air entering the air intake means. /P
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