Results 51 to 60 of about 16,932 (261)

Application of Composites in Rail Vehicles

open access: yes, 2016
This paper reviews components of rail vehicles in which composite materials have been employed successfully to date and those in which they are most likely to be exploited in the near future. Specific references are made to some of today's rail vehicles in which composites are employed routinely for the fabrication of complex three-dimensional moulded ...
openaire   +3 more sources

Theory and practice for assessing structural integrity and dynamical integrity of high-speed trains [PDF]

open access: yesRailway Sciences
Purpose – The safety and reliability of high-speed trains rely on the structural integrity of their components and the dynamic performance of the entire vehicle system. This paper aims to define and substantiate the assessment of the structural integrity
Weihua Zhang   +3 more
doaj   +1 more source

A Novel Bipolar DC Connection Strategy for Photovoltaic Power Plants With a 50% Reduction in DC Cabling Length

open access: yesEnergy Science &Engineering, EarlyView.
Bipolar configuration is a new topology in the direct current (DC) system of photovoltaic power plants, which is topologically analogous to the bipolar configuration utilised in High‐Voltage Direct Current power transmission systems. DC cable length and copper usage are reduced by 50% using a bipolar configuration.
Duško M. Tovilović   +2 more
wiley   +1 more source

Bolt loosening evaluation method based on normalized screw root equivalent stress and loosening life curve

open access: yesScientific Reports
Bolts are subject to complex loads and prone to loosening failure in transverse random service environments. To establish a loosening life evaluation method applicable to different types of bolts, numerous bolt clamping-force recession curves were ...
Guangwu Yang   +6 more
doaj   +1 more source

Dynamic target template matching for railway catenary suspension motion detection in wind area

open access: yesInternational Journal of Distributed Sensor Networks, 2018
A dynamic target template matching method was proposed to identify railway catenary suspension movements of wind-induced vibration in wind area. Catenary positioning point was taken as the target template, which was compared with equal-sized image ...
Wei Zhou   +4 more
doaj   +1 more source

Exploring production of social and economic value in social enterprises through a business model framework

open access: yesStrategic Change, EarlyView.
Abstract This study explores how social enterprises create social and economic value through business models that support ex‐offenders. The work was motivated by a request for help from an entrepreneur wishing to establish a business that supports ex‐offender rehabilitation.
Elizabeth Green   +2 more
wiley   +1 more source

Dynamic characteristics analysis of rack railway track system under traction conditions by experimental test

open access: yesRailway Engineering Science
The dynamic characteristics of the track system can directly affect its service performance and failure process. To explore the load characteristics and dynamic response of the track system under the dynamic loads from the rack vehicle in traction ...
Zhihui Chen   +5 more
doaj   +1 more source

A Novel Rail Damage Fault Detection Method for High-Speed Railway

open access: yesSensors
With the vigorous development of speedy railway technology, steel rails, as an important structural infrastructure in speedy railways, play a crucial role in ensuring the safety of the entire speedy railway operation.
Yu Wang   +4 more
doaj   +1 more source

Land Use Transformation and Climate Resilience in Smart Cities: Role of ICT in Modern Urban Planning

open access: yesLand Degradation &Development, EarlyView.
ABSTRACT Modern urban planning is experiencing a transition from traditional planning to the integration of information technology, which defines the concept of a “smart city”. The study analyses the evolution of urban planning practices with an emphasis on the role of engineering and architecture in the process of urbanization, the transition to the ...
Dariusz Cichoń
wiley   +1 more source

Experimental and theoretical investigation of railway wheel squeal

open access: yes, 2007
The tangential contact forces that arise at the interface between the wheel of a railway vehicle and the rail provide all the traction, braking, and guidance required by the vehicle.
Hsu, S.S.   +24 more
core   +1 more source

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