Science and Technology

Ricerca nelle sezioni IF

Consumo energetico nelle ferrovie metropolitane
2 024
Numero:
Num. 4
Summary - The present work analyzes the energy consumption of the electric railway system, referring mainly to the metropolitan lines and indicating the parameters that characterize them. Both the... leggi tutto
Analisi “dalla culla al cancello con opzioni” di traverse ferroviarie in calcestruzzo
2 024
Numero:
Num. 4
Sommario - I trasporti sono responsabili di circa il 25% delle emissioni climalteranti e rivestono un ruolo primario nel contrasto al surriscaldamento globale. Il sistema di trasporto ferroviario è... leggi tutto
“Cradle to gate with options” analysis of railway concrete sleepers
2 024
Numero:
Num. 4
Summary - The transportation sector is responsible for about 25% of greenhouse gases and plays a pivotal role in countering global warming and emissions to the air. Railway is the most efficient... leggi tutto
Il calcolo del binario
2 024
Numero:
Num. 3
Sommario - La sostanziale equivalenza dei metodi di calcolo del binario secondo i due filoni consolidatisi nel tempo di WINKLER – ZIMMERMANN (trave continua su suolo elastico) e di ENGHESSER (trave... leggi tutto
Calculation of the track
2 024
Numero:
Num. 3
Summary - The substantial equivalence of the calculation methods of the track according to Winkler and Zimmermann’s currents consolidated over time (continuous beam on elastic soil) and that of... leggi tutto
Ipotesi di nuovo assetto ferroviario metropolitano per la città di Messina nel contesto della realizzazione dell'attraversamento stabile dello Stretto
2 024
Numero:
Num. 3
Sommario - Nella regione Sicilia da un decennio è stato avviato un vasto programma di realizzazione di nuove linee ferroviarie, tra i quali la Messina - Catania – Palermo inserita nel Corridoio... leggi tutto
Hypothesis of a new metropolitan railway structure for the city of Messina in the context of the creation of the stable crossing of the Strait
2 024
Numero:
Num. 3
Summary - In the Sicily region a vast program of construction of new railway lines has been underway for a decade, including the Messina - Catania - Palermo line included in the European Scandinavian... leggi tutto
Diagnostics of the railway track - Possibility of development through the measurement of accelerations and contact forces
2 024
Numero:
Num. 2
Summary - The safety of rail transport is affected by the condition and integrity of the infrastructure on which the rolling stock circulates.The article aims at making a bibliographic analysis of ... leggi tutto
Il Fondo Nazionale e le politiche del trasporto pubblico locale tra obiettivi di efficienza ed equità
2 024
Numero:
Num. 2
Sommario - A poco più di 10 anni dalla creazione del Fondo Nazionale Trasporti (FNT) e del successivo avvio di un nuovo processo di efficientamento del trasporto pubblico locale, si sviluppa di... leggi tutto
Analysis of a radio mobile communication network availability with reference to railway applications
2 024
Numero:
Num. 2
Summary - RFI and the University of Rome Tor Vergata launched in 2018 a research on the mobile radio system that could replace the GSM-R. At the start of the study, LTE was a strong candidate for... leggi tutto

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Issues concerning High Speed Railways The role of scientific research
2010
Num. 10
SUMMARY NOT AVAILABLE
Locating combined road-railway transport terminals: an application for facility location and optimal location models
2010
Num. 8
  The paper focuses on the analysis of the intermodal freight terminals location according to the potential transport demand as well as the distribution network structure. In this context, the main... read all
Development of a procedure for reduced finite-element models validation
2010
Num. 6
  During the process of integration of a flexible body into a multi-body system, the reduction of the finite-element model of the component used in the design stage for detailed stress analyses is a... read all
Ram analysis of the Radio Block Center System for Italian ERTMS lines
2010
Num. 4
  The ETCS technology-based train spacing system adopted in the Italian HS/HC railway lines is a key element both for safety and regularity of train running. Its failure as a consequence of any kind... read all
A methodology for correlating the quality of the pantograph-catenary contact with the harmonic content of the current collected. A case of multiple current collection
2010
Num. 3
  It is a well known fact that when the catenary supply system is mechanically disturbed, electric arcs may develop on contact between the catenary and the pantograph. The variation in supply voltage... read all
Operations research models for programming support of cadenced timetables
2010
Num. 1
  In this article we propose to briefly describe an approach for the problem modelling, based on Operations Research and Mathematical Programming. This analysis is oriented to the planning of the... read all
Techniques and methodologies for carrying capacity evaluation: comparative analysis and integration perspectives
2009
Num. 12
  The article provides with an analysis of methods and techniques for the qualification of the railway capacity, classified by reference to factors having a direct relationship with the obtained... read all
Railway bridges seismic design and assessment of base isolation hypothesis
2009
Num. 11
  This document assesses the effects connected with the adoption of seismic base isolators in railway viaducts with reference to the “Cintura” viaduct (located in the outskirt of Bologna High Speed/... read all
An integrated methodology for 2x25 kV, 50 Hz traction system calculation Evaluation of the regenerative braking effects in a HS/HC railway line
2009
Num. 11
  The paper describes an integrated calculation methodology which, by simulating railway traffic, allows analysis of the performance of 2x25 kV 50 Hz electric traction systems. This methodology... read all
Research activity for the introduction of the “Long Locomotive” braking arrangement
2009
Num. 10
  The workgroup n°6 (Freight trains composition) of the ITALCERTIFER committee, has worked on a series of activities concerning the optimization of freight train compositions. In this paper are... read all

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