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- The paper presents the way of reducing propeller induced ship vibration and noise through better propeller design, stern flow field and improved design of stern appendages, etc. 本文从螺旋桨设计及船尾流场 ,包括附体设计等方面 ,研究降低螺旋桨诱导的脉动压力及船尾噪音的途径。
- Tuned damper is an efficient set to control vibration and noise. 摘要调谐阻尼器是控制振动和噪声的装置。
- ship vibration and noise 船舶振动噪声
- A view of the ship pipework vibration and noise control is presented, in addition the tendency of this field is introduced. 综述了控制舰船管路系统的振动及噪声的方法和措施,介绍其发展趋势。
- In order to control sound radiation from a baffle in sonar equipment excited by vibration and noise from a ship, the baffle was modeled as a simply supported rectangular thin plate and its radiation characteristics were analytically investigated. 摘要为抑制声呐设备中障板受舰船振动、噪声激励而产生的声辐射，将障板转化成简支薄板模型，分析其在谐波激励下的声辐射。
- Active Structure Acoustic Control(ASAC) is the leading field in the area of Vibration and Noise Control. 结构振动声辐射主动控制技术(ASAC)是目前国际上振动噪声主动控制研究领域的前沿方向之一,有着巨大的潜在应用价值。
- The vibration and noise level of high speed reciprocated engine can be remarkably reduced with balanced shaft. 加平衡轴的方法可以显著降低高速往复式内燃机的振动和噪声。
- Experiments show that the vibration and noise level of new riveter are decreased obviously. 实验表明新的铆枪结构后坐力和噪音明显降低。
- In feed plant,hammermill is one of main facilities,and also a main resource of vibration and noise. 锤片式粉碎机是饲料生产中的主要设备，也是饲料厂中的主要振动和噪声源。
- Direct-drive system best for lockstitch sewing, vibration and noise are lower than any item of sewing machine nowadays. 与普通电机相比，本机操作系统省电60%25左右，同比变频伺服马达省电30%25以上。
- The paper calculates and analyses the problem of vibration and noise of subway gear box with the combination of structural FEM and acoustic FEM. 摘要运用结构有限元法和声学有限元法，对地铁某型号齿轮箱振动与噪声问题进行计算分析。
- The newly designed GC8900 sewing head provides,with its low vibration and noise features,a very comfortable work environment. 全新设计的GC8900缝纫机，振动小，噪音低，给操作者提供了一个舒适的工作环境。
- The main reason and the basic solution of this motion vibration and noise during the production process were introduced in detail in this paper. 摘要详细介绍了在生产过程中引起永磁直流电动机振动和噪声的主要原因及解决的基本方法。
- Moreover, Tristar's specialty antivibration technology, splendid solution vibration and noise question, however you no longer for noise worry. 另外，三星的专业减振技术，出色的解决了震动和噪音的问题，然您不再为噪声烦恼。
- The excessive pair clearance can introduce harmful vibration and noise, and seriously hamper the machine dynamic performance. 摘要弹性机构铰接副处过大间隙的存在加速了杆件的疲劳与磨损，严重地影响了机器的动态特性机构。
- Lower vibration and noise due to vibration devoices such as vibration cushion, this saves capital construction invest by 40% and over. 独特的安装结构大大缩小了泵的占地面积，可节约基建投资40%25以上。
- Nylon tube is light weight, corrosion resistance, pressure, tightness, and no vibration and noise, and other advantages. 尼龙管具有重量轻、耐腐蚀、耐压、密封性好，以及无震动噪音等优点。
- The measure is of high efficiency, and the dislike vibration and noise are mitigated.It is a successful example of engineering noise reduction. 测试和实际感受表明，取得了良好的减振降噪效果，成为工程降噪的一个成功实例。
- Impulse,vibration and noise are ordinary troubles in hydraulic system,which is an available measure to reduce impulse noise while wave attenuator is used in the system. 液压系统的冲击、振动和噪声是系统中常见的弊端,采用消波器是减小系统冲击噪声的有效方法。
- The objective of the study is to investigate the vibration and noise characteristics of hydrodynamic journal bearing with herringbone groove use for centrifugal fan. 摘要:本研究以实验分析含人字形沟槽之液体动压颈轴承应用于离心散热风扇的振动与噪音特性。
