Effectiveness of resilient wheels in reducing noise and vibrations

Suarez, Berta; Chover, J A; Rodríguez, Pablo; González, Fernández

doi:10.1177/0954409711404104

Cited by 20 publications

(12 citation statements)

References 18 publications

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“…The resilient wheel in the straight section can reduce the interior noise by 4 dB(A) to 5 dB(A). Based on the TWINS theory [15,16], some scholars adopted simulation methods to study the vibration and noise reduction characteristics of resilient wheels [7,[17][18][19] and determined that the elastic modulus of rubber has an important effect on sound radiation of resilient wheels [7,17]. Cigada et al [20] analyzed the coupling relationship between the resonance modes and the sound radiation of resilient wheel through experimental methods.…”

Section: Introductionmentioning

confidence: 99%

Characteristics of Vibration and Sound Radiation of Metro Resilient Wheel

Zhou

Han

Zhao

et al. 2019

Chin. J. Mech. Eng.

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Resilient wheels are extensively used in urban rail transit, especially for tramway systems, owing to its advantages in noise reduction. A new type of resilient wheel for a metro is designed, and its characteristics of vibration and sound radiation, including the rolling noise of a resilient single wheel coupled with a track, are studied in this paper. A two-step research is presented. Firstly, laboratory experiments were conducted to obtain the vibration response of the designed resilient wheel under the radial excitation on its tread. Secondly, the rolling noise model of the resilient wheel coupled with a slab track used in a metro line is developed. The wheel model is based on the 3D finite element and boundary element methods and verified by using the experimental results obtained from the laboratory. The track vibration model is based on the wavenumber finite element method, and the track sound radiation is calculated by using an efficient frequency-domain Rayleigh method. The interaction of the resilient wheel and the slab track is analyzed considering the measured wheel/rail roughness of the metro. The contribution of the resilient wheel to the reduction of wheel/rail system noise is analyzed. The results show that the resilient wheel can effectively reduce the wheel/rail rolling noise by approximately 2 dB(A) to 3 dB(A), mainly because the radiated noise by the rail is reduced. In addition, the elastic modulus of the rubber has an important influence on the noise reduction of resilient wheels. which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

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Section: Introductionmentioning

confidence: 99%

Characteristics of Vibration and Sound Radiation of Metro Resilient Wheel

Zhou

Han

Zhao

et al. 2019

Chin. J. Mech. Eng.

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“…In addition, more theoretical and experimental studies on resilient wheels have been conducted by several scholars. 3–5 However, the longitudinal vibration problems have not been given attention for a long time.…”

Section: Introductionmentioning

confidence: 99%

Longitudinal vibration of a resilient wheel under the adhesion limit

Yang

Ding

et al. 2018

Proceedings of the Institution of Mechanical Engineers, Part F:

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In order to study the longitudinal vibration law of a resilient wheel under the adhesion limit of different working conditions, two longitudinal vibration models of the resilient wheel of a motor vehicle are established, and the vibration laws and influencing factors of the resilient wheel under different operating conditions are studied by simulation. The model of the resilient wheel under low-speed driving and low adhesive operating conditions is established based on the Fastsim wheel/rail contact theory, and the other high-speed model of the resilient wheel is established by considering adhesion curve negative slope characteristics based on the Polach wheel/rail contact theory. The results show that at low-speed driving conditions, the longitudinal vibration of the resilient wheel is more violent than that of the solid wheel, and the sliding vibration of the resilient wheel at the adhesion limit is far greater than the nonadhesion limit at low-speed driving conditions. When the rail surface is polluted and the adhesion coefficient is low, with the speed increasing to 80 km/h, stick-slip vibration occurs on the resilient wheel due to the increased vibration between the wheel rim and the wheel hub. Under high-speed conditions, owing to the negative slope characteristic of the adhesion curve, the wheel adhesion recovery time decreases with the reduction of driving torque. The amplitude of vibration for the above two conditions increases with the increase in the stiffness of the motor boom and the longitudinal stiffness of the primary suspension. With the increase in the value of the radial stiffness and torsional stiffness of the resilient wheel, the vibration amplitude of the resilient wheel becomes smaller or suppressed. The vibration of the resilient wheel is transmitted to the frame through the primary suspension, which has little effect on the vibration of the vehicle body.

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“…[21][22][23][24][25] Luo et al 26 and Luo 27 have found that dynamic responses of rubber-metal bonded components were strongly influenced by loading frequencies and they tried to incorporate the Rayleigh damping to reflect the change. Suarez et al 28 performed a PSD analysis on resilient wheels with solid rubber parts. Wei et al 29 found, in addition to temperature effect, the stiffness change with frequency using rubber pads, especially on a higher frequency range.…”

Section: Introductionmentioning

confidence: 99%

Natural Frequency Region – Fluid-Structural-Interaction approach for dynamic impact predictions and experimental verification of rubber–metal bonded systems with fluid

Luo

Lou

Wang

et al. 2018

Proceedings of the Institution of Mechanical Engineers, Part F:

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This paper presents an integrated procedure for dynamic impact predictions and an experimental verification of rubber–metal bonded components with fluid to be used as a potential application in rail vehicle suspensions. There are three steps involved in the procedure. First, a quasi-static analysis was performed to verify the elastic properties of the rubber material using hyperelastic models. Second, a dynamic impact evaluation on selected hydro-mounts without fluid was conducted using the Natural Frequency Region (NFR) approach. Finally, a coupled NFR (with Fluid-Structural-Interaction) approach, different from the usual viscoelastic methods, was initiated to predict the dynamic impact responses of these components with the fluid in time domain. All the analyses have been validated with experimental data. The first two stages have been briefly described and the third stage is detailed in this paper. It should be noted that a powerful computer with multi-central processing units is essential to obtain a reasonable result within an acceptable time frame. It took approximately 40 h wall-clock time to complete the analysis using a workstation with 10 central processing units. It has been suggested that the natural frequency region–fluid–structure interaction methodology is reliable and could be used at the design stage and for engineering applications.

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Effectiveness of resilient wheels in reducing noise and vibrations

Cited by 20 publications

References 18 publications

Characteristics of Vibration and Sound Radiation of Metro Resilient Wheel

Characteristics of Vibration and Sound Radiation of Metro Resilient Wheel

Longitudinal vibration of a resilient wheel under the adhesion limit

Natural Frequency Region – Fluid-Structural-Interaction approach for dynamic impact predictions and experimental verification of rubber–metal bonded systems with fluid

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