Importance

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Abstract

An exhaust mixer assembly for a gas turbine engine includes a core passage extending along a central engine axis for directing a core gas flow. An outer annular passage coaxially surrounds the core passage for directing a bypass gas flow. An exhaust mixer communicating with the core passage and the outer annular passage has an upstream end, a downstream end and an annular wall extending therebetween. A plurality of protrusions extend axially from a downstream end of the annular wall to form a jagged trailing edge of the exhaust mixer. Each of the plurality of protrusions extend separately from the downstream end of the annular wall from the other of the plurality of protrusions. At least one of the plurality of protrusions is twisted about a protrusion axis extending through the at least one of the plurality of protrusions, the protrusion axis parallel to the central axis.

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First Claim