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Built-in vibration control may help soundproof spaces
built-in vibratio car muffler vibration
2021/8/10
A different kind of design for absorbing vibrations could help better soundproof walls and make vehicles more streamlined, a new study shows.
Scientists observe a single quantum vibration under ordinary conditions: Studying a common material at room temperature, researchers bring quantum behavior 'closer to our daily life'
quantum vibration daily life quantum behavior common material room temperature
2019/10/10
When a guitar string is plucked, it vibrates as any vibrating object would, rising and falling like a wave, as the laws of classical physics predict. But under the laws of quantum mechanics, which des...
The 17th Asian Pacific Vibration Conference (APVC 2017 ) will be held November 13-15, 2017, in Nanjing, P R China.The APVC is an international conference held once every two years with the intention o...
The SAE 2017 Noise and Vibration Conference and Exhibition is the premier technical event dedicated to mobility noise, vibration and harshness. Held biennially, this conference serves as a forum for l...
SAE 2017 Noise and Vibration Conference and Exhibition
Passive and Active NVH Control Vehicle Subsystem NVH
2016/7/21
The SAE 2017 Noise and Vibration Conference and Exhibition is the premier technical event dedicated to mobility noise, vibration and harshness. Held biennially, this conference serves as a forum for l...
In-construction vibration monitoring of a supertall structure using a long-range wireless sensing system
Wireless sensing supertall structure ambient vibration structural health monitoring (SHM)
2015/6/30
As a testbed for various structural health monitoring (SHM) technologies, a supertall structure – the 610m-tall Guangzhou Television and Sightseeing Tower (GTST) in Southern China – is currently under...
Wireless Sensing and Vibration Control of Civil Structures
Wireless Sensing Vibration Control Civil Structures
2015/6/30
Significant advances have been made in deploying wireless sensors and sensing network technologies for monitoring the health and safety of civil structures [4]. For monitoring applications, sensors ar...
Primary mirror dynamic disturbance models for TMT: Vibration and wind
Extremely Large Telescopes Wind Vibration Control Systems
2015/5/13
The principal dynamic disturbances acting on a telescope segmented primary mirror are unsteady wind pressure
(turbulence) and narrowband vibration from rotating equipment. Understanding these disturb...
A pendulum-like tuned vibration absorber and its application to multi-mode system
Pendulum-like ATVA Multi-mode system Vibration absorber Vibration attenuation effect
2015/3/27
This paper presents the design of a pendulum-like adaptive tuned vibration absorber (ATVA) and its application to a multi-mode system. The natural frequency of the pendulum-like ATVA can be adjusted i...
Investigating operator vibration exposure time of 13 hp power tiller fuelled by diesel and biodiesel blends
white finger vibration acceleration highest class of risk
2014/11/28
One of the most useful agricultural machinery is power tiller; this kind of tractor is widely used in small fields. The
operators of this kind of machinery are exposed to high level of vibration. Lo...
Vibration Reduction of Offshore Wind Turbines Using Tuned Liquid Column Dampers
Vibration Reduction Offshore Wind Turbines Tuned Liquid Column Dampers
2014/10/23
Wind turbines are becoming an accepted method for generating electricity. With technology advancements and mapping of the global wind resource, offshore locations are now utilized for turbine placemen...
Analytical Modeling of Tree Vibration Generated during Cuttng Process
Analytical Modeling Three Vibration Generated Cutting Process
2014/10/22
There are several ways to cut down a tree. The piece by piece cutting method is studied in this research. By modeling the cutting process into simple dynamic models and obtaining governing equations o...
Design and analyses of axial semi-active dynamic vibration absorbers based on magnetorheological elastomers
Magnetorheological elastomers intelligent materials semi-active dynamic vibration absorber ship shafting axial vibration finite element method
2015/3/24
Magnetorheological elastomers are a new kind of magnetorheological materials mainly composed of polymer rubber and micro-sized magnetizable iron particles. Dynamic vibration absorbers based on magneto...
武汉理工大学船舶辅机课件Chapter9 MACHINERY ALIGNMENT & VIBRATION ANALYSIS。
武汉理工大学 船舶辅机 课件 Chapter9 MACHINERY ALIGNMENT VIBRATION ANALYSIS。
2014/7/16
武汉理工大学船舶辅机课件Chapter9 MACHINERY ALIGNMENT & VIBRATION ANALYSIS。
Phase based stiffness tuning algorithm for a magnetorheological elastomer dynamic vibration absorber
magnetorheological elastomer vibration absorber phase stiffness tuning vibration control
2015/3/24
This paper presents a phase based stiffness tuning algorithm to overcome the uncertainty of the relation between the magnetic current and the natural frequency for magnetorheological elastomer (MRE) d...