Science and Technology

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The diffusion process of the various car propulsion technologies in Europe
2 024
Numero:
Num. 1
Summary - Essentially as a consequence of the COVID epidemic, there has been recently a large decrease in car registrations in Europe, accompanied by a substantial change in the evolution process of... leggi tutto
Naples Line 1: the ex-post evaluations of European bodies
2 024
Numero:
Num. 1
Summary - This article aims to highlight the importance of the European Union in the construction of one of the most complex infrastructures in Italy: Line 1 of the Naples metro. Built since 1976,... leggi tutto
Laboratory compaction of unbound mixtures for road and rail uses and comparison of compaction procedures
2 023
Numero:
Num. 12
Summary - The service life of a road and rail superstructure is strongly affected by the bearing capacity of the subgrade. The action of thickening the soil is an operation of absolute importance,... leggi tutto
Automatic passenger counting on buses for local public transport: evaluation of the reliability of a system based on pressure sensors
2 023
Numero:
Num. 11
Summary - The period of the COVID-19 pandemic imposed interpersonal distancing in various places, first of all, for public transport: knowing automatically the passengers on board would have been... leggi tutto
The Tunnel Information Model for strategic infrastructure works
2 023
Numero:
Num. 11
Summary - In a modern world aimed at the digitisation of processes and information, Information Modelling represents an advanced way of representing the Information and Organisation Project in the... leggi tutto
Hydrogen-powered trains operation: normative constraints and assessment on a cases study
2 023
Numero:
Num. 10
Summary - The use of Hydrogen-powered propulsion in railways is very promising and already found relevant commercial applications. Some potential barriers emerged anyway as critical issues addressed... leggi tutto
Cosa si può fare affinché una misura sia sempre più utile?
2 023
Numero:
Num. 10
Summary - The evolution of electronics technology in the field of sensors has led to an incredible increase of data from measurements in all sectors. One problem that has arisen is that these... leggi tutto
Aerodynamic analysis of a high-speed train using computational fluid dynamics technique
2 023
Numero:
Num. 9
Summary - A flow field analysis was conducted using CFD simulation to improve the aerodynamic performance and reduce drag coefficient of high-speed trains. A comparison of two different front shapes... leggi tutto
SEMOR: Safety Enhancement of Maintenance Operators in Railway worksite
2 023
Numero:
Num. 9
Summary - Safety on railway working sites is a crucial issue in ensuring that sentinels are not put at risk during the construction and maintenance of railway infrastructure. The SEMOR system... leggi tutto
Study of the thermo-mechanical damage in steels for shoe-braked railway wheels using innovative small-scale tests
2 023
Numero:
Num. 8
Summary - The behavior of three railway wheel steels (HYPERLOS®, ER-TEN, and SUPERLOS®) coupled with two brake block materials (cast iron and organic composite) and R260 rail steel was studied by... leggi tutto

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Pantograph-rigid overhead interaction: a simplified method of analysis
2023
Num. 4
Summary - The study defines a simplified method of kinematic and dynamic analysis of the interaction between a pantograph and a rigid overhead contact line. The difficulty in finding specific... read all
Consequences of the ban on sale of internal combustion engine cars in Europe
2023
Num. 3
Summary - This paper studies the consequences of the imposition of the ban on sale of internal combustion engine cars (ICE) decided by the Parliament of the European Union. By using a dynamical model... read all
Innovation in railway bogie maintenance using a portable weighing system
2023
Num. 1
Summary - The distribution of the vertical forces exerted by the wheels on a track is a very important parameter for the safe running and operating economy of a railway vehicle. Under static... read all
Study of dynamic buckling in droppers of high-speed railway line catenary during pantograph passage
2022
Num. 12
Summary - The dynamical actions to which the catenary dropper is subjected during the pantograph passage can become very relevant for high speeds of railway vehicle. In some very rare and isolated... read all
Innovative materials in the bogie frame design
2022
Num. 11
The aim of this paper is focused on the materials used for the manufacturing of the railway bogie frames. The paper will highlight the allowable and innovative materials after discussing the... read all
Check rail of turnouts
2022
Num. 6
Summary - The check rails of rail turnouts are responsible for protecting the integrity of the crossing nose. The relative action on the axes in transit – whose frequency of occurrence is analysed –... read all
Method for analysis and identification of adhesion coefficient through on-board sensors
2022
Num. 5
Summary - The digitalization of data and the technological development of systems in the railway field offer countless advantages, including the ease of reading, processing and transmission of the... read all
Evaluating market attractiveness of railway car repair companies based on expert analysis
2022
Num. 2
IntroductionThe article considers the economic attractiveness evaluation methodology of railway car repair companies. The main stages of this methodology include determining evaluation criteria, each... read all
Migration to ERTMS for dense traffic lines: investigation methodologies and application to the Stockholm Citybanan case study
2021
Num. 12
Summary - Capacity of infrastructure in Railway depends on several factors, between them Control Command and Signalling (CCS) systems aim at providing improved operation by keeping constant safety... read all
Estimation of the propagation of delays: comparison between analytical methodologies and simulation approaches in the case study of the line “Direttissima” Rome-Florence
2021
Num. 11
Summary - The aspects related to the frequency of the service, travel time and punctuality are becoming increasingly important for passenger satisfaction and the expected level of quality. In fact,... read all

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