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- sound radiation pressure 声辐射压
- In this paper, the effect of disc muffler on vibration and sound radiation of worm shell is discussed. 摘要探讨了圆盘型进气消声器对蜗壳振动和声辐射的影响。
- We analyze the effect on the optical radiation pressure for corpuscules by laser microbeam. 本文分析了激光微束光场辐射压力对微粒子的作用。
- The vibration and sound radiation behaviors of the stem of submarine with rudder and vane are studied. 摘要针对带有舵翼的水下航行器尾部结构模型,研究舵翼对水下航行器尾部的振动及声辐射的影响。
- At the same time, matter was freed of the radiation pressure that had resisted the contraction of dense clumps. 同时,物质也从原本会抵抗致密气团重力收缩的辐射压力下解放出来。
- In order to reduce sound radiation of a structure, the method of Active Structural Acoustic Control (ASAC) was developed in the 1980s. 自八十年代后期以来,为了更为有效地降低结构声辐射,人们提出了主动结构声学控制(ASAC)。
- And by comparing the heights of the two peaks, cosmologists can gauge the relative strengths of gravity and radiation pressure in the early universe. 并且,从两峰之间高度的比较,宇宙学家得以测度早期宇宙中重力与辐射压力的相对强度。
- The singular integration will affect the precision of the result while the Boundary Element Method (BEM) is used in calculating sound radiation. 边界元法应用于计算辐射声场时,由于奇异积分的存在,会影响到计算结果的精度。
- The current study is to investigate the relationship between the sound radiation and enclosure vibration by using a laser vibrometer. 利用激光测振仪,测试了箱体振动速度随频率的变化,分析了前几个振动模态的声辐射能力。
- It brings up the disciplinarian of sun radiation pressure affecting the variation of the MW rotation rate with analyzing actual data of MW,and designs a model to validate it. 通过分析动量轮转速实际测量数据,得出太阳辐射压力影响转速变化的规律,并利用理论分析进行验证。
- In this paper,ring-stiffened cylindrical shells coated with internal deck are experimented on vibration and sound radiation. 对具有内部甲板的环肋柱壳模型进行振动和声辐射试验。
- The concept of the radiation pressure and the physical essence of it are presented based on the photon gas. The unified formula for the radiation pressure are given. 把辐射场看成是一群光子.;从粒子的观点介绍了辐射压的概念,阐明了辐射压的物理实质,给出了计算辐射压的一般公式
- The process is the same as in the laser wakefield case, except now the particle beam's electric field does the pushing instead of the laser beam's radiation pressure. 这个过程跟雷射尾迹场的情形一样,只是现在推动电子的,是粒子束的电场而不是雷射光束的辐射光压。
- The numerical results explain that the vibration and sound radiation of stern can be degraded by enforcing the rigidity of rudder or reducing the length of the vane. 结果显示舵翼结构与周围流体的相互作用很大,改变其尺寸和刚度会使得模型的声压发生很大的变化,同时流固耦合现象的存在使得模型在水中的频率明显下降,并且模态阶数的顺序也发生了改变。
- A new theory, named the Resonance Radiation Theory (RRT), is presented in order to deeper understalldingthe mechanisms of sound radiation by submerged structure. 为了深入认识水中结构的声辐射机理,木文提出一个称为共振辐射理论(ResonanceRadiationTheory-RRT)的新理论。
- For improved sound radiation capability, the size and the shape of the enhancer can be modified in various ways, including a frustoconical, parabolic, or bell-shaped enhancer. 为了改善声音的辐射能力,特别是在中频和高频范围内的辐射能力,增强器的尺寸和形状可以有多种变化的形式,包括截锥形、抛物面形或者钟形等。
- When the conductance of sound radiation for IDT is equal to the output conductance for the matching network, the reflection loss and transmission loss can be reduced. 叉指换能器的声辐射电导等于匹配网络输出端电导时,可以减小反射损耗和传输损耗。
- In this paper, the radiation pressure and directional formulation are calculated by use of Reily-integrate, The directivity of radiated sound field of quadrate ring piston is analyzed. 摘要利用瑞丽积分,计算了方环活塞声源远场的辐射声压分布以及指向性公式,并对辐射声压的远场指向性进行了分析;同时,与方形活塞声源的指向性作了对比。
- Experts had not bothered to study closer-in data in detail because they believed that radiation pressure of the sun and the many flight maneuvers would make it difficult to measure the anomaly. 专家们不曾详尽的研究较近距离内的数据,因为他们认为太阳的辐射压与许多太空飞行任务会使异常现象不好量测。
- The physics essence of the radiation pressure is discussed from both the momentum-flow density and the stress tensor, and threee methods for calculation are introduced with illustrations. 由动量流密度和应力两重含义分析辐射压力的物理本质.;通过举例介绍辐射压力的三种计算方法