1.
Producing Mechanism of Flow Noise Generation from Perforated Duct Muffler Element
穿孔管消声单元气流再生噪声产生机理
2.
By checking all the potential causes of producing noises, it is concluded that the air eddy is the major cause.
通过对引起噪声原因的排查,断定气体涡流是产生噪声的主要原因。
3.
and the dull roar of blowers circulating air.
产生的噪音及促使空气环流的鼓风机发出的单调的轰鸣声，
4.
Investigation into the Cavitation Noise in Grooves of Spool Valve;
液压阀芯节流槽气穴噪声特性的研究
5.
Simulation and Prediction of Aerodynamic Noise Generated by Spray Axial Flow Fan;
喷雾轴流风机气动噪声的模拟及预测
6.
Identification of Noise Sources on Air-conditioner Unit and Sound Power Measurement with Air-flow;
空调机噪声源识别与气流下声功率测量
7.
RESEARCH OF AERODYNAMIC NOISE SOURCE OF LOW SPEED AXIAL FANS BASED ON VORTEX-SOUND THEORY
基于涡声理论的低速轴流风机气动噪声研究
8.
Research on the Vortices Flow and the Aerodynamic Noise Prediction of the Air-Conditioner's Fan;
空调器风机内流中的旋涡流动及气动噪声预测
9.
We used the electro-pneumatic loudspeaker coupled directly to the travelling-wave tube to produce about 165-170 dB of the high-intensity random sound field in the test section.
我们用气流扬声器直接耦合到行波管,在测试段产生165—170分贝的无规噪声场。
10.
Calculations about Interior Aerodynamic Noise for High-Speed Automobile by BEM
用边界元法计算高速车辆内部气流噪声
11.
Aerodynamics of the Vocal Tract, Turbulence Noise, Abrupt Release, Bursts.
声道的空气动力学，紊流噪音，瞬间释放，突发音。
12.
Research on Calculating Method of Interior Aerodynamic Noise for High-speed Automobile;
高速车辆车内气流噪声的理论计算方法研究
13.
Aeroacoustics numerical simulation of flow past tow-dimensional two circular cylinders in Tandem arrangements
横掠二维串列双圆柱绕流气动噪声的数值模拟
14.
Bubble Noise and its Suppression in Measurement Using Electromagnetic Flowmeter
电磁流量计测量中的气泡噪声及其处理方法
15.
Design Computing of AC-DC Motor's Air Noise in Ship
舰船用交直流电机空气噪声谱设计计算
16.
facilities for people in the organization,heat, humidity, light, airflow, and hygiene, cleanliness, noise, vibration and pollution.
便于组织内人员开展工作；热度、湿度、光线、空气流动；卫生、清洁度、噪声、振动和污染。
17.
The exhaust noise is the main source of the cab.
排气噪声是驾驶室内主要噪声来源。
18.
convectional air regenerator
对流式空气再生装置