標(biāo)題: Titlebook: Noise and Vibration Mitigation for Rail Transportation Systems; Proceedings of the 1 Tatsuo Maeda,Pierre-Etienne Gautier,Paul Vos Conferenc [打印本頁] 作者: Falter 時(shí)間: 2025-3-21 17:15
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書目名稱Noise and Vibration Mitigation for Rail Transportation Systems讀者反饋學(xué)科排名
作者: 辮子帶來幫助 時(shí)間: 2025-3-21 23:50 作者: 紳士 時(shí)間: 2025-3-22 00:50
Planning and Controlling Railway Noise in a Metropolis: Our Practical Experience railway network in Hong Kong includes 211km of rail and 85 railway stations. In the coming decade, 56km of rail will be added to the railway network. Planning and controlling railway noise in Hong Kong is a great challenge to both the railway operator and the planning / enforcement authorities..The作者: 維持 時(shí)間: 2025-3-22 05:02 作者: Narcissist 時(shí)間: 2025-3-22 12:01 作者: musicologist 時(shí)間: 2025-3-22 13:39 作者: entitle 時(shí)間: 2025-3-22 20:03 作者: lobster 時(shí)間: 2025-3-23 00:58
Rolling Noise Simulation: A New Approach in Time Domainanisms to control it. Until now, SNCF, the French railway company, has used TWINS, the Track Wheel Interaction Noise Software, to predict the rolling noise. Based on the frequency-—domain approach, this software is very efficient for the case of straight standard ballasted tracks. However, as it run作者: cardiopulmonary 時(shí)間: 2025-3-23 01:23
Wave Propagation in an Infinite Track Having an Irregular Regioned by attaching the transmitting boundaries at both ends of the finite sub-domain. To achieve this, an impedance matrix representing the transmitting boundary is constructed by utilizing eigenmodes for the transfer matrix of a unit cell. The developed method is applied to infinite tracks subjected t作者: Coronary-Spasm 時(shí)間: 2025-3-23 05:38
Slab Track Vibration and Wayside Noise in a High-Speed Rail Tunnel measured to validate the track dynamic parameters. Comparison of the dynamic characteristics, the track vibrations and wayside noise, of a slab track with traditional ballasted track were made using available data.作者: evanescent 時(shí)間: 2025-3-23 11:26
Tuned Mass Damper for Rail Noise Controlg the shear direction of resilient layers forming a multiple mass-—spring system. It provides effective broadband damping for a frequency range between 300Hz and 2500Hz. The resilient layers are aligned perpendicularly to the rail alignment such that each mass is allowed to oscillate in both vertica作者: avarice 時(shí)間: 2025-3-23 16:02 作者: interrupt 時(shí)間: 2025-3-23 19:36
Bridging the Gap from Multibody Simulations to Acoustic Analysisl the state-of-the-art method in order to study and optimize the running dynamics and comfort of railway vehicles in details. However, acoustic issues could not be ad ressed so far by multibody analysis. This is due to the fact that the validity of the used multibody models is restricted to the very作者: encomiast 時(shí)間: 2025-3-24 00:54 作者: 錯(cuò) 時(shí)間: 2025-3-24 05:13 作者: FLAX 時(shí)間: 2025-3-24 07:18 作者: 尖酸一點(diǎn) 時(shí)間: 2025-3-24 14:22
Modeling the Directivity of Wheel/Rail Radiation Using a Circular/Straight Line of Perpendicular Diptic in the horizontal direction, whilst it is only about 4 dB more directional than a monopole source in a vertical plane perpendicular to the rail; (2) the directivity of wheel radiation is close to the vertical directivity of rail radiation..The work presented in this paper intends to interpret th作者: 思想靈活 時(shí)間: 2025-3-24 17:40
High-Speed Rail: Excitation Frequencies and Track Stiffnesse of the characteristic frequencies present are investigated. These include speed-dependent parametric excitation frequencies related to the geometry of the system, for instance the rate with which bogies and axles pass above a given position in the track, or with which a wheel passes over the faste作者: 狂怒 時(shí)間: 2025-3-24 22:46 作者: Magnificent 時(shí)間: 2025-3-25 02:03
s, each written by the world renowned experts.Still valid an.Salen Metal Complexes as Catalysts for the Synthesis of Polycarbonates from Cyclic Ethers and Carbon Dioxide, by Donald J. Darensbourg.- Material Properties of Poly(Propylene Carbonates), by Gerrit. A. Luinstra and Endres Borchardt.- ?Poly作者: 鋼筆尖 時(shí)間: 2025-3-25 04:45 作者: 討好美人 時(shí)間: 2025-3-25 10:16 作者: CAGE 時(shí)間: 2025-3-25 13:45 作者: 災(zāi)難 時(shí)間: 2025-3-25 17:01 作者: faucet 時(shí)間: 2025-3-25 22:18
https://doi.org/10.1007/978-4-431-53927-8ground borne vibrations; noise reduction; noise sources; rolling noise作者: 極端的正確性 時(shí)間: 2025-3-26 01:41 作者: pancreas 時(shí)間: 2025-3-26 06:13
Tatsuo Maeda,Pierre-Etienne Gautier,Paul VosInternational workshop started in 1976.Provides an unique forum for researchers and experts in railway noise and vibration.Contains approx. 55 articles作者: 提名的名單 時(shí)間: 2025-3-26 10:53
Advancements in Noise and Vibration Abatement to Support the Noise Reduction Strategy of Deutsche Bation. This directive has been transposed into national law in Germany and directly affects Deutsche Bahn (DB) and its noise reduction strategy. DB has set itself the goal of halving, by the year 2020, the level of rail traffic noise experienced by local residents in 2000.作者: macrophage 時(shí)間: 2025-3-26 13:07 作者: 繁忙 時(shí)間: 2025-3-26 17:15 作者: Emasculate 時(shí)間: 2025-3-27 00:26 作者: 厭惡 時(shí)間: 2025-3-27 01:46 作者: Parley 時(shí)間: 2025-3-27 06:30
Rolling Noise Simulation: A New Approach in Time Domainndary conditions, using an impedance technique, have been developed for the case of a finite Euler-—Bernoulli beam model representing the rail. The full problem has been solved using a finite difference scheme. The performance of the absorbing boundary conditions has been studied by comparing the re作者: mucous-membrane 時(shí)間: 2025-3-27 13:30 作者: insecticide 時(shí)間: 2025-3-27 16:18
Bridging the Gap from Multibody Simulations to Acoustic Analysisreuse of model-components and scenarios originating from comfort evaluations are advantages that motivate the extension of the multibody methodology towards acoustic analysis..Therefore, this paper presents model enhancements of the contact behavior of wheel and rail that are intended to be used in 作者: Fsh238 時(shí)間: 2025-3-27 19:09 作者: lethargy 時(shí)間: 2025-3-28 01:40
Dynamic Models of Railway Track Taking Account of Cross-Section Deformation at High Frequencyin the rail are studied by means of Hamilton’s principle. Comparing the results in terms of the dispersion relations, the tapered plate rail model shows good agreement with an FE model. Comparison with simpler beam models confirms the improvements at high frequencies due to the taper of the foot.作者: Gleason-score 時(shí)間: 2025-3-28 02:39 作者: 雄偉 時(shí)間: 2025-3-28 09:09 作者: Highbrow 時(shí)間: 2025-3-28 10:42 作者: HOWL 時(shí)間: 2025-3-28 16:11
Masanori Hansaka,Shogo Mamada,Daigo Sato,Kiyoshi Sato,Fumiaki Kishino作者: 晚間 時(shí)間: 2025-3-28 19:10
Günther Koller,M. T. Kalivoda,Martin Jaksch,Martin Muncke,Takashi Oguchi,Yoshifumi Matsuda作者: Postmenopause 時(shí)間: 2025-3-29 02:46
1612-2909 6. interior noise and sound barriers; and 7. prediction, measurements, and monitoring are addressed here. This book is a useful “state-of-the-art” reference for scientists and engineers involved in solving environmental problems of railways..978-4-431-54089-2978-4-431-53927-8Series ISSN 1612-2909 Series E-ISSN 1860-0824 作者: 障礙物 時(shí)間: 2025-3-29 06:02 作者: Granular 時(shí)間: 2025-3-29 08:13
B. Schulte-Werning,B. Asmussen,W. Behr,K. G. Degen,R. Garburgany Limited in Thailand, has performed continuous commercial production of bio-based PBS (trademark: BioPBS?) made of bio-based succinic acid and fossil-based 1,4-butanediol..Mitsubishi Chemical has also been developing, manufacturing, and selling FORZEAS? that is a compounding material giving new f作者: 外表讀作 時(shí)間: 2025-3-29 13:50
Benson Lee,W. Chau,John Lam,Maurice Yeungkeholders working on developing, testing, and regulating biodegradable polymers. These aspects include definitions of biodegradability and biodegradation, elucidating polymer- and environmental factors that control the biodegradation process, a discussion of the analytical chemistry of polymer biode作者: 是貪求 時(shí)間: 2025-3-29 18:58
Conference proceedings 2012y the Railway Technical Research Institute (RTRI), Japan. With 11 sessions and 3 poster sessions, the workshop featured presentations by international leaders in the field of railway noise and vibration. All subjects relating to 1. prospects, legal regulation, and perception; 2. wheel and rail noise作者: 鞠躬 時(shí)間: 2025-3-29 20:41 作者: 倒轉(zhuǎn) 時(shí)間: 2025-3-30 02:00
High-Speed Rail: Excitation Frequencies and Track Stiffnessistic frequencies are most likely to coincide on high-speed rail systems are considered. Some conclusions are drawn on optimal range for the loaded track resonance and the optimal track stiffness range under different train speeds required to provide this.作者: 殺菌劑 時(shí)間: 2025-3-30 04:26 作者: 輕浮女 時(shí)間: 2025-3-30 09:06 作者: 詞匯記憶方法 時(shí)間: 2025-3-30 13:50
An Investigation of Velocity-Dependent Friction in Wheel-Rail Rolling Contactt. This oscillation is increasingly unstable with increasing creep. The stick-slip behaviour at the trailing edge leads to sudden changes in the tangential stress distribution in the stick zone, including intermittent slip at the leading edge of the contact.作者: ironic 時(shí)間: 2025-3-30 18:50 作者: orient 時(shí)間: 2025-3-30 21:01 作者: 過份艷麗 時(shí)間: 2025-3-31 02:21
Development of Rail Noise Isolating Material (RNIM)and the outer one vibration-damped steel. An impact test executed in a laboratory and some noise measurements executed on commercial lines have verified that RNIM is effective in reducing rolling noise.作者: Evolve 時(shí)間: 2025-3-31 05:58
Modelling and Performance Analysis of Rail Vibration Absorber by FE and BE Methodsantly reduced in the frequency range 300-1000 Hz. The noise reduction calculated by the finite element model is less than that of the beam-spring model in the frequency region of 400-—1000 Hz due to the transversal rotation of the absorber. The rail-radiated noise can be reduced by about 7.1 dB(A) using the rail absorber.作者: 痛恨 時(shí)間: 2025-3-31 09:25 作者: 人充滿活力 時(shí)間: 2025-3-31 14:33
Minisymposium: Advanced Numerical Methods for Hyperbolic Problemsic systems are involved in the description of many physical problems, ranging from classical applications in aerodynamics to shallow water models for the simulation of waves in lakes and rivers, from combustion problems to hydrodynamical models of semiconductors, to mention just a few examples. Beca作者: Morphine 時(shí)間: 2025-3-31 20:28
Transporting substances to cells,, but just taking in the fuel is not enough. Oxygen is needed to react with the fuel, which is mainly glucose, in order to release the energy. This important process is called respiration. (As the process uses oxygen it is more correctly called aerobic respiration.) Your cells are respiring as you s作者: 試驗(yàn) 時(shí)間: 2025-3-31 23:12
Steuervermeidung in Deutschland, more uncommon masses which can arise in the liver and their management. The rare adult and pediatric liver masses can mimic the more commonly encountered liver masses clinically as well as radiologically. A brief review of the literature regarding their presentation, current diagnostic approach, and treatment is presented.作者: audiologist 時(shí)間: 2025-4-1 03:07
Manipulation der Bilder, diese Manipulationen in die Rubrik ?Scherze“ und ?kommerzielle Ziele“ einordnen k?nnen und sie für unsere Betrachtung wegen der leichten Durchschaubarkeit nicht relevant sind. Ich konzentriere mich vielmehr auf Originalaufnahmen, die dem Betrachter fragwürdig erscheinen und die als ?Beweis“ für eine Mondlandungslüge herangezogen werden.作者: 學(xué)術(shù)討論會(huì) 時(shí)間: 2025-4-1 08:53 作者: idiopathic 時(shí)間: 2025-4-1 12:58 作者: 無脊椎 時(shí)間: 2025-4-1 18:05
T. Bronischges of timed automata as the limit on how far away a timed trace of one timed automaton can be from the closest timed trace of the other timed automaton. We then show how one can decide under some restriction whether the distance between two timed automata is finite or infinite.作者: 遷移 時(shí)間: 2025-4-1 22:29 作者: optic-nerve 時(shí)間: 2025-4-1 23:00 作者: 斷斷續(xù)續(xù) 時(shí)間: 2025-4-2 05:18
Technology and Labour Productivity Patterns in the Manufacturing Industries of Less Industrialised Cpattern of production-factor utilisation — capital and skills — and of size distribution for the manufacturing industries in both industrialised and less industrialised countries; (ii) to summarise the results of an empirical test of the Hirschman hypothesis on the possible determinants of differenc作者: 富足女人 時(shí)間: 2025-4-2 08:25 作者: 誤傳 時(shí)間: 2025-4-2 11:12
