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EXHAUST GAS INFRARED RADIATION SUPPRESSOR FOR A GAS TURBINE ENGINE
EXHAUST GAS INFRARED RADIATION SUPPRESSOR FOR A GAS TURBINE ENGINE
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机译:燃气轮机发动机的排气红外辐射抑制器
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摘要
An IR suppressor produces a thin "ribbon" exhaust plume using a tapered exhaust manifold (3) which has a plurality of discrete exhaust nozzles (6) that are longitudinally aligned with the exhaust manifold (3). Optionally, the nozzles (6) extend within but are spaced apart from mixing ducts (15) which are open to the ambient air at both ends. The mixing ducts (15)mix ambient air with the exhaust plume. For use in a helicopter the IR suppressor is rotatable so that the exhaust can be directed substantially parallel to the helicopter blades when the blades are not turning to protect them from exhaust heat.
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