In this paper, we utilize acoustic vibration characteristics for the combined diagnosis of rail corrugation. The two-dimensional signal is first decomposed into several modes by Multivariate circulant singular spectrum analysis (MCiSSA) and the ...
Xuegeng Mao +6 more
doaj +1 more source
Investigation of SSME alternate high pressure fuel turbopump lift-off seal fluid and structural dynamic interaction [PDF]
The Space Shuttle main engine (SSME) alternate turbopump development program (ATD) high pressure fuel turbopump (HPFTP) design utilizes an innovative lift-off seal (LOS) design that is located in close proximity to the turbine end bearing.
Elrod, David A.
core +1 more source
Estimating Workforce Development Needs for High-Speed Rail in California, Research Report 11-16 [PDF]
This study provides an assessment of the job creation and attendant education and training needs associated with the creation of the California High-Speed Rail (CHSR) network, scheduled to begin construction in September 2012.
Estrada, Katherine +2 more
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European freight vehicle running gear: Today's position and future demands [PDF]
Dieser Beitrag ist mit Zustimmung des Rechteinhabers aufgrund einer (DFG geförderten) Allianz- bzw. Nationallizenz frei zugänglich.This publication is with permission of the rights owner freely accessible due to an Alliance licence and a national licence
Hecht, Markus
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Properties of Hydraulic Jump over Apparent Corrugated Beds [PDF]
The characteristics of hydraulic jumps were investigated for three shapes of artificial apparent corrugated beds in a horizontal rectangular flume. Rectangular, triangular, and circular-shaped tire waste corrugated beds were used.
Ahmed, Ashraf A. +5 more
core
Coupling between diffusion and orientation of pentacene molecules on an organic surface. [PDF]
The realization of efficient organic electronic devices requires the controlled preparation of molecular thin films and heterostructures. As top-down structuring methods such as lithography cannot be applied to van der Waals bound materials, surface ...
Allison, William +9 more
core +2 more sources
The objective of the current study is to investigate the formation mechanism of rail corrugation. According to the actual wheel-rail motion relationship, that is, considering the influence of the angle of attack (AoA), a single degree of freedom friction
Wang Zhiqiang, Lei Zhenyu
doaj +1 more source
Rail Corrugation: A Software Tool for Detection and Analysis Using Wavelets [PDF]
Corrugation is an oscillatory wear of the rail and it is a consequence of the interaction between wheel and rail [1]. Rail corrugation usually appears in curves, but it may also arise in linear tracks.
Pereira, André Filipe Rainho
core
Research on wheel-rail noise in rail corrugation road of urban rail transit
As an efficient, fast, green and environmentally friendly means of transportation, subway vehicles account for the largest proportion of urban rail transit, and in large and medium-sized cities, the construction of subway is still in rapid development, but with the subway noise radiation problem, subway noise plagued by passengers, related operators ...
Huang Chunlin, Zhang Xiaoan
openaire +2 more sources
An Adaptive Parameterized Domain Mapping Method and Its Application in Wheel-Rail Coupled Fault Diagnosis for Rail Vehicles. [PDF]
Xu Z, Yang J, Yao D, Wang J, Wei M.
europepmc +1 more source

