气流噪声 meaning in Chinese

aerodynamic noise
air flow noise
air stream noise
air-stream noise

The jet noise theory is used to analyze noise produced during the opening period of the suction or discharge valves in a similar way , theoretical calculations are made
根据噪声产生原理，指出降低噪声的根本途径是降低气流通过气阀前后的压力损失，并给出降低气流噪声的主要途径是：提出减小阀片刚性、厚度以及扩大排气孔孔径等。
It is concluded that the primeval design of hv ' ac system decide that the building noise environment is good or bad . as to say how to resolve the six sides problems : machine noise , machine vibration , fan noise , duct noise , draft noise and cross - talk noise
我们认为：建筑(使用hvac系统)声环境的好坏取决于hvac系统初期的设计，也就是如何解决好机械噪声、机械振动、风机噪声、管路噪声、气流噪声以及管路交互传递噪声这六方面的问题。
Used the theory of air - dynamic and the jet - ejector principle the characteristic of jet - steam , proving the noise signal have the character of chaos by using the fractal theory . noise sound pressure on the normal condition was checked by theory formula and contrasted with the experimental data . the difference was analyzed in detail
结合空气动力学喷射气流噪声理论公式,验算了三效降膜蒸发器正常生产时热压泵中拉伐尔管喷口处的噪声声压级,与实测值进行对比,并详细分析了两者产生较大差异的原因。