rail noise 中文意思是什麼
rail noise
解釋
鐵路噪音-
Indeed, kcrc has taken the approach to mitigate mos rail train noise at source by adopting a multi - plenum system
事實上，九鐵已從聲源手，採取多重隔音措施，以消減列車運作時的聲浪。 -
Mechanical vibration - ground - borne noise and vibration arising from rail systems - general guidance
機械振動.由鐵路系統產生的地面噪音和振蕩.一般指南 -
The main purpose is applying the statistical energy analysis method to forecast the high frequency wheel / rail noise
本文的主要目的是運用統計能量分析方法對輪軌高頻振動噪聲進行預測。 -
With the speed up of railway transportation, the lightening design of vehicle seems to be more and more important. reducing the weight of vehicle can not only reduce the consumption of the raw materials and the power of traction, and increase the operation speed and improve the starting and braking performance of trains, but also has the advantageous to reduce the wheel / rail interaction forces, vibration and noise, increase the service life of the vehicle and the track, and economize the cost of transportation
隨著鐵路運輸速度的提高，車輛的輕量化顯得越來越重要，減輕車輛自重，不僅可以減少原材料的消耗，有利於降低牽引功率，提高列車的運行速度，改善列車的啟動和制動性能，而且可以有效的減少輪軌間的動力作用，減少振動和噪音，增加車輛和線路的使用壽命，節約運輸成本。 -
In order to alleviate the problem of railroad noise pollution, this paper studies the wheel - rail noise reducing technology by sticking high damping materials on the two sides of rail according to the characteristics of train running noises after speed increase and wheel - rail noise generating mechanism
摘要針對鐵路噪聲污染狀況，根據提速列車運行噪聲的特點及輪軌噪聲產生的機理，研究了通過在鋼軌軌腰鑲嵌高阻尼材料從而降低輪軌噪聲的技術。 -
Progress report on noise monitoring of mos rail
馬鐵在監控噪音方面的進度報告。 -
Granting of construction noise permits to the contractors of the west rail project
批出建築噪音許可證予西鐵工程承建商的事宜 -
The major noise sources of low - speed railway vehicles ( v 200km / h ) running in domestic existing lines are wheel - rail rolling and structure noise
我國既有線鐵路客車運行速度多在200km h以下，屬于低速運行。運行噪聲以輪軌噪聲和構造物噪聲為主。 -
From an analysis of the noise resource of rail transit, we know that reducing the wheel / rail noise is the key to reduce the noise and vibration of the rail transit
摘要通過對軌道交通噪聲源的分析，結合我國現狀，降低輪軌噪聲是軌道交通減振降噪的關鍵。 -
Research on the technology of the wheel - rail noise reduction after train speed increase
提速列車輪軌噪聲降噪技術的研究 -
At the same time, using remington ' s wheel - rail interaction model, calculate the interaction force between the wheel and rail and the input power of each subsystem. evaluate the mode count, damping loss factor and coupling loss factor. according the fundamental of the acoustics, predict the wheel - rail noise
同時利用remington建立的輪軌接觸模型，由輪軌間的表面粗糙度譜計算出了輪軌間的接觸力，並將其作為產生輪軌振動的激勵力得到了各子系統的輸入功率。 -
A survey and recent progress on wheel rail noise predicting model
輪軌噪聲預測模型研究概況及新進展 -
Further tore, the basic rule of wheel / rail noise is presented
在此基礎上，分析了輪軌噪聲輻射的基本規律。 -
Noise radiated by the rail vibration is considered to be the main portion of wheel / rail noise in the frequencies blew 3000hz
研究表明， 3000hz以下的輪軌噪聲中由鋼軌振動產生的輻射噪聲占輪軌噪聲的70 %以上。 -
A survey and recent progress of wheel / rail noise prediction arc summarized
摘要綜述了目前國內外輪軌噪聲的預測研究的概況及新進展。 -
Wheel / rail noise is the main source of railway traffic noise when the train is normal working
輪軌噪聲是列車正常運行中所產生噪聲的主要組成部分。 -
The wheel - rail noise is generated by vibration that is caused by the surface roughness of wheel - rail
而鐵路輪軌噪聲產生的根本原因是由輪軌間表面粗糙度引起的振動而造成的。 -
On the basis of the theory of vehicle - track coupling dynamics and noise radiation and propagation, mechanism of wheel / rail noise is analyzed
根據車輛軌道耦合動力學理論及聲輻射與傳播理論，分析了列車運行過程中產生輪軌噪聲的機理。 -
Studying in vibration characteristic of rail and improving a new method to decrease the vibration and noise become a key job of wheel / rail noise control
因此，研究鋼軌的振動特性，並提出一種施工簡單、成本低廉、效果明顯的鋼軌減振降噪措施成為降低輪軌噪聲的關鍵所在。 -
On the basis of the theory about wheel / rail noise, the paper analyses the mechanism of wheel / rail noise and the relationship between rolling noise and vibration of railway track components, and describes a way to reduce the vibration energy by enhancing the elasticity of track
運用軌道部件的振動加速功率譜密度函數與輪軌噪聲功率譜密度之間的關系，分析了軌道結構彈性對降噪的作用。
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