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Acoustics and Vibrations

Acoustic Scattering through a Circular Orifice in Low Mach Number Flow

S. Sack [1], M. Abom [1]
[1] KTH, the Royal Institute of Technology, Stockholm, Sweden

The acoustic scattering through a circular orifice plate in a duct with low Mach number flow (M=0.1) is ... 扩展阅读

Simulation of Pearl-Chain Formation of Microparticles by Acoustic Standing Waves, including Inter-Particle Forces and Collisions

T. Baasch [1], J. Dual [1],
[1] ETH Zurich, Insitute for Mechanical Systems, Zurich, Switzerland

Acoustic standing waves can be used to manipulate micrometer sized particles, cells and organisms. In most ... 扩展阅读

Numerical Analysis of an Ultrasonic Technology for Food Dehydration Intensification

R. R. Andres [1], E. Riera [1],
[1] Grupo de Sistemas y Tecnologías Ultrasónicas (GSTU), ITEFI, CSIC, Madrid, Spain

Food dehydration processes assisted by high-power ultrasound (HPU) have become an efficient technology with a ... 扩展阅读

Modeling the Effect of a Crack on the Flow-Induced Vibration of Supported Pipes

J. H. Lee [1], S. M. Al-Said [2],
[1] American University of Sharjah, Sharjah, United Arab Emirates
[2] Jordan University of Science and Technology, Irbid, Jordan

In this paper, the effect of a crack to the flow-induced vibration characteristics of supported pipes is ... 扩展阅读

Phase Decomposition for Loudspeaker Analysis

R. Christensen [1],
[1] GN ReSound A/S, Copenhagen, Denmark

The vibration of an electrodynamic loudspeaker driver causes a resulting sound pressure. For simple pistonic ... 扩展阅读

Numerical Study on the Mechanism of Interface Debonding Detection for CFST with PZT

H. Chen [1], J. Li [1], S. Xia [2],
[1] Hunan University, Changsha, Hunan, China
[2] Xi'an Jiaotong University, Xi'an, Shaanxi, China

Introduction In order to understand the detection mechanism of the PZT based nondestructive testing (NDT) ... 扩展阅读

Numerical Simulation of Acoustic Properties of Porous Metals under High Sound Pressure Level Conditions

B. Zhang [1], X. Wang [1], L. Ni [1]
[1] School of Mechanical Engineering, Ningxia University, China

The sound propagation and absorption properties in porous media under high sound pressure level conditions ... 扩展阅读

基频最大的经纬仪基座的拓扑优化

高阁 [1][2], 刘震宇 [1],
[1] 中国科学院长春光学精密机械与物理研究所，长春，吉林，中国
[2] 中国科学院大学，北京，中国

In order to satisfy the requirements of modern range measuring technology, photoelectric theodolites ... 扩展阅读

Multiphysics Simulations of Automotive Muffler

A. Prasad [1], R. C Thiagarajan [1],
[1] ATOA Scientific Technologies, Bengaluru, India

This paper deals with the numerical experiments for early prediction of muffler performance at the design ... 扩展阅读

Effect of Length and Porosity on the Acoustic Performance of Concentric Tube Resonators

D. Neihguk [1], A. Prasad [1],
[1] Mahindra & Mahindra Ltd., Chennai, India

The acoustic performance of an acoustically short Concentric Tube Resonator (CTR) is investigated to find an ... 扩展阅读

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