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首页> 外文期刊>International Journal of Aeroacoustics >Designing clean jet-noise facilities and making accurate jet-noise measurements
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Designing clean jet-noise facilities and making accurate jet-noise measurements

机译:设计干净的射流噪声设施并进行精确的射流噪声测量

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摘要

The main objective of this paper is to provide guidelines for designing and calibrating a high quality, static, jet-noise research facility and making high-quality jet noise measurements. Particular emphasis is placed on methodology for determining if internal noise is dominant in the jet noise spectrum. A section of this document is devoted to clarifying the terminology associated with microphone frequency response corrections and providing a step-wise description of other corrections that must be applied to the measured raw spectra before the jet noise data can be considered accurate and ready for use for extrapolation to full-scale jet engine noise.
机译:本文的主要目的是为设计和校准高质量,静态,喷气噪声研究设施以及进行高质量喷气噪声测量提供指导。特别强调确定内部噪声是否在喷射噪声频谱中占主导地位的方法。本文档的一部分专门用于阐明与麦克风频率响应校正相关的术语,并提供逐步校正的其他说明,这些其他校正必须先应用于测得的原始频谱,然后才能认为喷射噪声数据准确并可以使用。外推到全尺寸喷气发动机噪音。

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