High Speed
Aeroacoustics in high speed trains
... for high speed trains has experienced a considerable in- crease over the last 10 years, a big part of the resources have been invested in railway tunnels ...
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Train scheduling and rolling stock assignment in high speed trains
... In high speed systems there are some reasonable assumptions: i) a train can go along each track only in one riding direction; ii) each segment is only covered by one track ...
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Pantograph noise measurements in Madrid-Sevilla high speed train (AVE)
... Spanish high speed line which traveled from Madrid to Sevilla at an average speed of 250 km/h was ...this speed pantograph noise, which is of an aerodynamic nature, is thought to have rather ...
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Vibroacoustic Problems in High Speed Trains
... around high speed trains in open field, which is a subject of interest for many researchers with direct industrial applications, but also the critical configuration of the train inside a tunnel is studied ...
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Energy Aware Signal Integrity Analysis for High Speed PCB Links
... connect. For via arrays as used in high speed links (see Fig. 1), ground vias come with additional tradeoffs, since they take up space in the grid. For a constant packaging area, this means that the number ...
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Train scheduling in high speed railways: considering competitive effects
... Our experiments are based on realistic cases drawn from RENFE’s Madrid-Seville high speed rail corridor in Spain (Figure 1). This corridor consists of three types of lines. Lines 2 and 3 are operated with ...
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Research related to vibrations from high speed railway traffic
... Spanish high speed railway lines have a low lateral stiffness for the global modes of deformation, which in principle could cause some concern for the lateral stability and ride ...
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Analysis of Residual Stresses in High Speed Milled Aluminum Alloys
... decades, High Speed Machining (HSM) has been the focus of numerous studies and advances in order to achieve highest levels of quality and productivity in manufacturing (Schulz, 1996; Cus et ...
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Feed Forward Equalization Simulation Model for High Speed Channel Applications
... for high-speed channels analysis using Advanced Design System (ADS), which is a commercial tool, and the Signal and Power Integrity Time Domain Simulator (SPITDS), a simulation tool developed by ...
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High speed femtosecond pulse characterization based on spectral interferometry
... Since most of the driving algorithms for pulse design are based on evolutionary algorithms, the fast acquisition and characterization rate of the shaped pulses represents a critical issue. The high speed ...
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Dynamic Analysis of high Speed Railway Traffic Loads on Ballasted Track
... Abstract: This paper reports the studies carried out to develop and calibrate the optimal models for the objectives of this work. In particular, quarter bogie model for vehicle, rail-wheel contact with Lagrangian ...
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Social impacts of high speed rail projects: addressing spatial equity effects.
... corridor speed-from 220 km/h to 300 km/h- can be analysed if Figure 7 and Figure 6 are ...when High Capacity Road corridors are analyzed (López et al, ...
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TítuloEfficient Java Communication Protocols on High speed Cluster Interconnects
... with high-speed ...on high-speed interconnects as they are focused on high level APIs like RMI, ignoring the particular- ities of these systems and their native high performance ...
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Macromodel Extraction for Drivers in High Speed Communications Channels
... Furthermore, it is possible to predict the signal and power integrity effects in the structures to simulate [1]. The Institute of Electromagnetic Theory, Hamburg- Harburg University of Technology (TUHH) [2] has been ...
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Tecnología Very High Speed Digital Subscriber Line (VDSL)
... Very High Rate Digital Subscriber Line (VDSL) es la última y mayor de las tecnologías XDSL, pudiendo suministrar rangos de datos hasta 52 Mbps de downstream y hasta 34 Mbps de upstream en ciertas versiones ...
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Wavelets for spindle fault diagnosis in high speed machining
... rotational speed was kept constant at 2,000 RPM by an AC motor coupled to the shaft via rub belts and a 6,000 lbs radial load was applied on the ...353B33 High Sensitivity Quartz ICP accelerometers, Rexnord ...
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Fluid Dynamic Problems of High-Speed Trains in Tunnels
... typical high speed tunnel-train system, when the blockage ratio is around ...a high-speed train traveling through a deep buried long ...various speed conditions, pressure drag between ...
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Efficiency of high-speed rail same-day trips for different purposes. Characterissing the supply of services in the Spanish High-Speed Rail System
... with high frequencies and speeds oriented to compete with air transport, but also other types, which were much less expected when the initial HSR system was ...as high speed fit into the same profile ...
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Pressure measurements on real high-speed trains travelling through tunnels
... at high speed in a tunnel are more complicated than the ones arising in open air ...a high-speed train enters a tunnel, a compression wave is formed ahead of the train which propagates along ...
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High pressure density and speed of sound of hydrofluoroether fluid 1,1,1,2,2,3,4,5,5,5 decafluoro 3 methoxy 4 (trifluoromethyl) pentane (HFE 7300)
... experimental high pressure density points were measured for the liquid HFE- 7300 within a temperature range ...experimental high pressure density data and those calculated was checked, obtaining a maximum ...
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