HYBRID SUPPLY CONFIGURATION FOR AXIALLY FLOWING HIGH INTERNAL MACH NUMBER BAFFLES
摘要:
A hollow airfoil body (96) includes a baffle (180) that is arranged in the airfoil body (96) that extends in a radial direction (Y) and provides a fluid flow direction (F). The baffle (180) has multiple holes (188a, 188a') that include first and second holes (188a, 188a') that are configured to conduct the cooling airflow (140) in a chordwise direction (Z) toward the trailing edge (122) of the airfoil body (96). The airfoil (100) has a first standoff (190a) that extends from the airfoil body (96) to support the baffle (180). The first axial standoff (190a) has a first length that defines an axial passage including the multiple holes (188a, 188a'). The airfoil (100) includes a second standoff (190b) that has a second length less than the first length. The second standoff (190b) is arranged radially between the first and second holes (188a, 188a'). The first hole (188a) is smaller than the second hole (188a'). The second hole (188a') is downstream from the first hole (188a) relative to the fluid flow direction (F).
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