標(biāo)題: Titlebook: Noise and Vibration Mitigation for Rail Transportation Systems; Proceedings of the 1 Xiaozhen Sheng,David Thompson,Thorsten Tielkes Confere [打印本頁] 作者: Coagulant 時間: 2025-3-21 17:52
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作者: 極端的正確性 時間: 2025-3-21 22:48 作者: Scintigraphy 時間: 2025-3-22 00:33
Use of Heterogeneous Microphone Triplets for Simplified Noise Apportionment in Pass-By Measurementsns about noise levels are also on the rise. Therefore, a practical methodology for assessing and comparing aerodynamic noise levels coming from high speed units has been declared as desirable both by international railway organizations such as UIC and national railway network managers. This article 作者: 憤慨點吧 時間: 2025-3-22 04:38
Requirements and Challenges for Vibration Prediction Tools and the Associated Validation Processes and the final prediction tool. The validation of the computational core will be mainly based on measured data. Here, a comparison between measured results and the computed data of the prediction tool will be performed. The tool itself is evaluated against the specified requirements and the computat作者: 驚呼 時間: 2025-3-22 08:56
Framework for Optimization of Multi-source Railway High Speed Noise Models Through Hybrid Methods Coy in presence of barriers or where buildings overlook the railway. Building on the results and conclusions previously reported by the authors in (Sica et al. in Pass-by noise assessment of high-speed units by means of acoustic measurements in a perimeter close to the train, Ghent, 2019 [.]), this wo作者: DNR215 時間: 2025-3-22 15:32 作者: 谷物 時間: 2025-3-22 18:57
Analysis of the Uncertainty of High-Speed Rail Noise Predictionsrent combinations of meteorological conditions, time of day, screening and receiver distances have been analysed for the L. and L. metrics. Output distributions representing the prediction uncertainty have been calculated for each scenario and are presented as boxplots. The results of the global sen作者: 失敗主義者 時間: 2025-3-23 00:44 作者: 咒語 時間: 2025-3-23 03:08
2195-4356 scientists and engineers in their daily efforts to identify, understand, and solve problems related to railway noise and vibration and to achieve the ultimate goal of minimizing the environmental impact of railway systems.978-981-99-7851-9978-981-99-7852-6Series ISSN 2195-4356 Series E-ISSN 2195-4364 作者: 提煉 時間: 2025-3-23 08:07 作者: aphasia 時間: 2025-3-23 13:41
for their maximal potential. A number of tools are available for probe designing for various applications. This chapter focuses on the natural and artificial nucleic acid probes, the differences in the chemistry of these probes, their advantages, limitations and synthetic applications along with so作者: Anemia 時間: 2025-3-23 16:44
Michael Ostermannly are an extension of metabolic engineering since the complexity of living organisms, their tight dependence on evolution and our limited knowledge of the interactions between the molecules, actually make life difficult to engineer..978-94-017-9381-0978-94-017-9382-7Series ISSN 2211-9353 Series E-ISSN 2211-9361 作者: Kidney-Failure 時間: 2025-3-23 18:01
Olivier Chiello,Marie-Agnès Pallas,Adrien Le Bellec,Rita Tufano,Romain Augez,Benjamin Malardier,Emanly are an extension of metabolic engineering since the complexity of living organisms, their tight dependence on evolution and our limited knowledge of the interactions between the molecules, actually make life difficult to engineer..978-94-017-9381-0978-94-017-9382-7Series ISSN 2211-9353 Series E-ISSN 2211-9361 作者: 龍卷風(fēng) 時間: 2025-3-24 00:58 作者: sleep-spindles 時間: 2025-3-24 03:49
Jaume Solé,Pierre Huguenet,Mercedes Gutierrez Ferrandizt render the discussion of ethical issues superfluous because synthetic biology sets these issues in a new context and because the discussion of such issues fulfills in itself an important function, namely by stimulating thought about our relationship to technology and nature. Furthermore, given tha作者: 關(guān)節(jié)炎 時間: 2025-3-24 08:12 作者: 催眠藥 時間: 2025-3-24 11:47 作者: SLUMP 時間: 2025-3-24 18:42 作者: 致詞 時間: 2025-3-24 18:59 作者: ITCH 時間: 2025-3-24 23:29
Shannon McKenna,Shankar Rajaram,James Tuman Nelson,Hugh J. Saurenmanve been engineered into a new type of microbial cell factory to directly produce hydroxy acids from CO.. In this chapter, recent progress regarding the direct photosynthetic production of three important hydroxy acids—3-hydroxypropionate (3-HP), 3-hydroxybutyrate (3-HB), and 3-hydroxyvalerate (3-HV)作者: 灰心喪氣 時間: 2025-3-25 03:59 作者: 壓倒性勝利 時間: 2025-3-25 08:50 作者: 烤架 時間: 2025-3-25 13:42
Yuan He,David Thompson,Zhiwei Huo be produced from (+)-valencene via biotechnological approaches in heterologous hosts using the enzymes involved in its biosynthetic pathway. Among some of the organisms used for the production of (+)-valencene and (+)-nootkatone, the yeast platform has the highest potential for the production of t作者: rods366 時間: 2025-3-25 18:04 作者: 使熄滅 時間: 2025-3-25 23:23 作者: sorbitol 時間: 2025-3-26 00:36
James Woodcock,Tom Marshall,Jon Sims,David Owen,Oliver Bewes,Gennaro Sicacbiology research and education in the omics age, this book has put focuses on systematic design, rational engineering, and sustainability of design for synthetic biology, which will explain in detail and with 978-981-99-2462-2978-981-99-2460-8作者: Ferritin 時間: 2025-3-26 04:24
Xiaozhen Sheng,David Thompson,Thorsten TielkesPresents the latest research findings by leading scholars and experienced engineers at IWRN14 (7-9 December, 2022).Covers noise perception, design criteria, and regulation.Describes noise and vibratio作者: ANTI 時間: 2025-3-26 09:17 作者: Blood-Clot 時間: 2025-3-26 14:26 作者: 遺傳 時間: 2025-3-26 17:13
Lecture Notes in Mechanical Engineeringhttp://image.papertrans.cn/n/image/666790.jpg作者: 營養(yǎng) 時間: 2025-3-27 00:54 作者: 憤慨點吧 時間: 2025-3-27 03:42 作者: 鞏固 時間: 2025-3-27 07:50 作者: MURAL 時間: 2025-3-27 10:27
Multiple Sensors and Partial Calibration for On-Board Measurement of Rail Acoustic Roughness: Resulty of the transfers with the track support to be retained, thanks to the models. The method was tested in France with sensors installed on a test train running at several speeds on a track section of a railway test center as well as on two track sections of the national railway network with different supports.作者: MELON 時間: 2025-3-27 16:11 作者: 昏迷狀態(tài) 時間: 2025-3-27 21:47
Towards Rail Noise Identification and Localization Based on Deep Learning effects on various sound conditions are then discussed. Results show that the proposed method offers a new perspective to disentangle intertwined noises, shedding light on mitigation measures and thus a sustainable rail system.作者: choroid 時間: 2025-3-27 22:35 作者: 施舍 時間: 2025-3-28 03:56 作者: 軍械庫 時間: 2025-3-28 06:56 作者: 小步舞 時間: 2025-3-28 10:50 作者: overwrought 時間: 2025-3-28 16:55 作者: 某人 時間: 2025-3-28 22:36 作者: Harass 時間: 2025-3-29 00:57 作者: 尖牙 時間: 2025-3-29 05:00 作者: integral 時間: 2025-3-29 10:33 作者: escalate 時間: 2025-3-29 13:19 作者: paltry 時間: 2025-3-29 16:08 作者: abject 時間: 2025-3-29 21:57
Use of Heterogeneous Microphone Triplets for Simplified Noise Apportionment in Pass-By Measurementsn has been achieved by means of microphone arrays and also with the help of fixed or removable barriers. However, these techniques had the drawback of needing complex post-processing and frequently have complicated set-ups. Also, very often the assessment obtained with these methods has been predomi作者: TOXIN 時間: 2025-3-30 02:52
Fast and Reliable Noise Predictions for Rolling Stock by Means of Pre-calculated Reference Models level. With some hypotheses, it is possible to write in a very simple way how the passby level of any train configuration depends on the passby level of each source type. This article describes an analytical method to extend known passby noise levels to any train configuration. Its application to n作者: Feedback 時間: 2025-3-30 07:15 作者: Spongy-Bone 時間: 2025-3-30 08:15
Framework for Optimization of Multi-source Railway High Speed Noise Models Through Hybrid Methods Cohat aerodynamic noise sources at high speed are not only placed at low height, but also in the upper parts of the train (Gautier et al. in High speed trains external noise: a review of measurements and source models for the TGV case up to 360?km/h, Seoul, 2008 [.]; Noh in J Rail Rapid Transit 228:30作者: 報復(fù) 時間: 2025-3-30 12:31 作者: Crepitus 時間: 2025-3-30 19:38
Analysis of the Uncertainty of High-Speed Rail Noise Predictionss. Generally, single values representing reasonable worst-case assumptions are selected for each input parameter. Variation in factors such as local meteorological conditions, receiver location and source characteristics means that there is uncertainty in the model inputs that, when propagated throu作者: 做事過頭 時間: 2025-3-30 21:19
Towards Rail Noise Identification and Localization Based on Deep Learnings. It is essential to understand the source of noise and vibration to identify the issue behind it. However, the complexity of noise analysis is embodied with acoustic signals with overlaps, as is usually the case in rail systems with the urban environment, while seldom discussed in previous studies作者: 漂白 時間: 2025-3-31 01:44 作者: 機密 時間: 2025-3-31 07:56
Considerations for the Implementation of a Train Vibration Monitoring System in Subway Tunnelss and extends northward beneath the campus in twin-bore tunnels. To address UW concerns that train-generated ground vibration may negatively affect sensitive research, Sound Transit agreed to install a vibration monitoring system in the tunnels and use the measured tunnel vibration to identify any t作者: 消息靈通 時間: 2025-3-31 09:30
Design and Performance of a Comprehensive Vibration Monitoring System for Trains Under University ofibration produced by the trains is required to meet stringent vibration limits for 24 buildings. Vibration from each train passby is recorded by 40 vibration monitoring units installed in the tunnels. The monitoring units are designed to trigger warning alarms in case the train vibration levels appr作者: 猛烈責(zé)罵 時間: 2025-3-31 14:13 作者: 別名 時間: 2025-3-31 19:23
Prediction of the Aerodynamic Sound Power Level of a High Speed Train Bogie Based on Unsteady FW-H Sise source for speeds above 250 kph and major areas of noise generation on (high speed) trains are the train head, the leading and second bogie, the pantograph and the gaps between coaches. This paper presents a numerical simulation approach based on CFD/CAA techniques aiming to estimate equivalent 作者: Triglyceride 時間: 2025-3-31 23:56 作者: Engulf 時間: 2025-4-1 02:24
Michael Ostermann as to a wider non-specialist audience.The book will present.Synthetic Biology (SB) is a revolutionary discipline with a vast range of practical applications, but is SB research really based on engineering principles? Does it contributing to the artificial synthesis of life or does it utilise approa
