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Microjet noise suppression system for jet engines
Microjet noise suppression system for jet engines
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机译:喷气发动机的微喷射噪声抑制系统
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摘要
A jet engine noise suppression system uses a plurality of microjets that are located on a frame downstream of the exhaust port of a jet engine. Each microjet issues a microjet flow, either liquid or gas, directed at the main jet flow issued by the engine. The mass of the combined microjet flow is substantially smaller than the mass of the jet engine flow. The angle of at which each microjet issues its flow may be variable. The microjets may be located on a pop-up head of a blast deflector or on a upstanding rack.
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