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Transport Problems

Silesian University of Technology

Subject: Economics , Transportation , Transportation Science & Technology

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eISSN: 2300-861X

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FEATURED ARTICLES

SIMULATION OF THE ROUTE NETWORK AND FERRY TRAFFIC INTENSITY BASED ON THE PROCESS OF DISCRETIZATION AND CIRCOS PLOT INTENSITY DIAGRAM
DEVELOPMENT AND IMPLEMENTATION OF RETRO-REFLECTIVE ELEMENTS FOR AUTOMATIC ACCESSORIES AND PLACES OF PLANNED POINTS
ADAPTATION OF THE SERVQUAL METHOD FOR TESTING THE QUALITY OF PASSENGER AIR SERVICES
A Study of the Dynamic Parameters Influence over the Behavior of the Two-Section Articulated Vehicle during the Lane Change Manoeuvre

VOLUME 14 , ISSUE 1 (Apr 2019) - List of articles

THE EFFECTS OF FOOD AND DRINK INTAKE TO DRIVING PERFORMANCE: A SYSTEMATIC REVIEW

Iftikar Zahedi SUTALAKSANA/ Gradiyan Budi PRATAMA/ Putra Alif Ramdhani YAMIN/ Herman Rahadian SOETISNA

Summary Human-related factors are considered to be the main cause of traffic incidents or accidents, causing 69.70% of the incidents. Several studies have been conducted to identify the relationship between drowsiness or fatigue and driving performance. Furthermore, a number of other studies not only discussed the symptoms causing drowsiness but also tried to investigate related factors that cause sleepiness or fatigue while driving. On the other hand, some discussed the quantity and quality of (..)

DOI: 10.21307/tp.2019.14.1.1

INVESTIGATION OF TIRE FORCE TRANSMISSION ON INTERACTION WITH SLUSH

Marijonas BOGDEVIČIUS/ Andrius RUŽINSKAS/ Vaidas VADLŪGA/ Paulius BOGDEVIČIUS/ Rimantas KAČIANAUSKAS/ Algirdas MAKNICKAS/ Frank GAUTERIN

Summary The main parameters describing the interaction between a tire and the road are forces transmitted by a tire. This paper presents experimental and theoretical research of mechanism of force transmission between a tire and slush-covered pavement. The experimental research was conducted in the internal drum test facility at the Karlsruhe Institute of Technology in Germany. The theoretical research presents a mathematical model of the system “sub-block–slush layer–drum” focusing on slush beh(..)

DOI: 10.21307/tp.2019.14.1.2

PRELIMINARY STUDIES OF VERTICAL ACCELERATION OF A PASSENGER CAR PASSING THROUGH THE SPEED BUMP FOR VARIOUS DRIVING SPEEDS

Tomasz HANISZEWSKI/ Agata MICHTA

Summary The article proposes a phenomenological model of a passenger car. The model includes the biomechanical model of human bodies in the sitting position of Muksian and Nash acting as passengers, while the driver’s weight has been reduced to the concentrated weight of the loading seat. The research carried out in this study consisted of passing the vehicle through a transverse obstacle along the so-called speed bump. Vehicle passes through the threshold at three different speeds: 10km/h, 20km(..)

DOI: 10.21307/tp.2019.14.1.3

Published Online: 23-April-2019

INTELLIGENT SYSTEM FOR IMPROVED SAFETY OF PEDESTRIAN TRAFFIC LIGHTS

Boris EVSTATIEV/ Toncho BALBUZANOV/ Ivan BELOEV/ Velizara PENCHEVA

Summary The high concentration of vehicles and pedestrians at traffic lights makes them a common place for road accidents to occur. The main reason for them is the behavior of vehicle drivers and pedestrians, who often violate the traffic law because of incorrect judgments. This study investigates a special type of traffic lights, which are located on places without roads intersection. In the present study, a concept for improving the safety of such traffic lights is suggested. The method sugges(..)

DOI: 10.21307/tp.2019.14.1.4

Published Online: 23-April-2019

DEVELOPMENT OF PROVISIONS FOR EVALUATING THE EFFECTIVENESS OF URBAN PUBLIC PASSENGER TRANSPORT SYSTEM

Sergey MOCHALIN/ Mariya KASPER/ Oleg NIKIFOROV/ Grigory LEVKIN/ Natali KURSHAKOVA

Summary The work presents a methodology that allows us to evaluate the effectiveness of the system in accordance with accepted standards in terms of the three components of the “passenger–carrier–department” system, taking into account the interests of each side. The given comprehensive effectiveness evaluation of the urban public passenger transport system shows that a new scientific idea consists in forming fundamentally new sets of indicators for each participant of the system (passenger– car(..)

DOI: 10.21307/tp.2019.14.1.5

Published Online: 23-April-2019

ELECTROMAGNETIC SYSTEM FOR IMPROVING THE ADHESION OF WHEELS TO RAILS

Yuriy OSENIN/ Lidiya ANTOSHKINA/ Igor SOSNOV/ Evgeniy SHAPRAN/ Aleksei CHESNOKOV

Summary The article describes the design of a system used for the improvement of the adhesion of locomotive wheels to rails; the principle of which is based on the electromagnetic feeding of the contact area with the bulk material that has magnetic properties and high hardness (iron scale Fe3O4 and magnetite FeO·Fe2O3). The experimental results of laboratory and bench tests confirming the effectiveness of the proposed system compared with the existing devices using quartz sand to improve the adh(..)

DOI: 10.21307/tp.2019.14.1.6

Published Online: 23-April-2019

THE EVOLUTION OF DEEP SEA CONTAINER ROUTES: THE ITALIAN CASE

Marino LUPI/ Antonio PRATELLI/ Cecilia LICANDRO/ Alessandro FARINA

Summary In this study, an analysis of deep sea shipping (DSS) container services, calling at Italian ports, is carried out. A comparison with analogous sets of data collected in the years 2011 and 2014 has been performed. The most important Italian port system is the Ligurian one, which includes the main Italian port, Genoa, which is the main access gate to the Padan Plain, the most productive area of Italy. However, other ports are also important: the Ligurian port of La Spezia and the hub port(..)

DOI: 10.21307/tp.2019.14.1.7

Published Online: 23-April-2019

GERT MODEL OF A TECHNICAL STATION FOR DETERMINING THE PASSENGER TRAINSET DELAY

Mirena TODOROVA

Summary The paper presents a technical station model using the graphical evaluation and review technique – GERT. The network model reflects the operation of trainset service in compliance with the technology and technical equipment as well as interaction between technological systems at the service stations that are different by track development but connected to big passenger stations, which gives a possibility of determining the service time of trainsets depending on the number of carriages an(..)

DOI: 10.21307/tp.2019.14.1.8

Published Online: 23-April-2019

SELECTED ASPECTS OF THE USE OF GASEOUS FUELS BLENDS TO IMPROVE EFFICIENCY AND EMISSION OF SI ENGINE

Grzegorz KUBICA/ Marek FLEKIEWICZ/ Paweł MARZEC

Summary The paper presents results of SI engine tests, carried on for different gaseous fuels. The analysis carried out made it possible to define the correlation between fuel composition and engine operating parameters. Tests cover various gaseous mixtures: methane with hydrogen and LPG with DME. The first group, considered as low carbon content fuels, can be characterized by low CO2 emissions. The flammability of hydrogen added in those mixtures realizes the function of combustion process acti(..)

DOI: 10.21307/tp.2019.14.1.9

Published Online: 23-April-2019

AGE OF A PASSENGER CAR AND ITS INFLUENCE ON ACCIDENTS WITH FATALITIES IN POLAND

Katarzyna SICIŃSKA

Summary The article concentrates on road safety in Poland, which is one of the countries with a high number of fatalities in European Union. As the passenger cars are the mostly involved in traffic accidents with fatalities, this type of vehicles was analyzed to check relationship between age of the vehicle and its involvement in accidents with fatalities. This type of scientific analysis was made for the first time. For carrying out this research, a method of estimating passenger car fleet in m(..)

DOI: 10.21307/tp.2019.14.1.10

Published Online: 23-April-2019

THE APPLICATION OF RELIABILITY REALLOCATION MODEL IN TRAFFIC SAFETY ANALYSIS ON RURAL ROADS

Svetlana BAČKALIĆ/ Dragan JOVANOVIĆ/ Todor BAČKALIĆ/ Boško MATOVIĆ/ Miloš PLJAKIĆ

Summary The number of accidents on rural roads still represents a higher percentage of accidents than those occurring on built-up areas and motorways. Many countries are working on the definition and implementation of strategies that relate to the improvement of traffic safety on rural roads. This paper presents an approach to the analysis of traffic safety and the frequency of traffic accidents. The developed model is based on reliability theory and the application of the reliability reallocati(..)

DOI: 10.21307/tp.2019.14.1.11

Published Online: 23-April-2019

SUPPORTING FACTORS AND FACTORY EMPLOYEE’S BEHAVIOUR IN THE USE OF PUBLIC TRANSPORTATION MODE IN JAKARTA

Herdis HERDIANSYAH/ Hudy Prabowo EDYSON/ Sessario Bayu MANGKARA/ Zulfahmi Ilman HINDAMI

Summary The tendency for people in Jakarta to use public transportation is still relatively low. A study from Jabodetabek Transportation Management Agency shows that only 24 percent of road users chose public land transportation modes (Transjakarta bus and train) from a total of 47.5 million trips in Jabodetabek by 2015. Public transportation trips in Jabodetabek are all people’s journeys or the journey to employee work destination located in buffer towns around Jakarta. Employees are among the (..)

DOI: 10.21307/tp.2019.14.1.12

CONFIRMATORY FACTOR ANALYSIS FOR TESTING THE VALIDITY AND RELIABILITY OF AN INTERNAL CAPABILITY AND LOGISTICS OUTSOURCING MEASUREMENT SCALE

Omer Abdalla SIDDIG/ Abdel Hafiez Ali HASABALLAH/ Ahmad AL-TIT/ Bader ALMOHAIMMEED

Summary This study aims to develop and validate a measurement scale for internal capability and logistics outsourcing. Regarding the goal of this study, data were obtained from 180 respondents who are currently performing logistics outsourcing in different fields in Sudan (oil industry, telecommunications, logistics services and manufacturing). Depending on the questioner technique, a total of 36 items and 5 subscales were generated based on the literature. The study uses a five-point Likert-sty(..)

DOI: 10.21307/tp.2019.14.1.13

Published Online: 23-April-2019

A STUDY OF THE FUEL CONSUMPTION OF HYBRID CAR TOYOTA YARIS

Yavor IVANOV/ Rosen IVANOV/ Georgi KADIKYANOV/ Gergana STANEVA/ Igor DANILOV

Summary The paper presents the experimental results from a complex study of the fuel consumption of a hybrid car Toyota Yaris. Original data for motion at different constant speeds are obtained. The economical and energy characteristics of the car are observed and analyzed. Three typical urban and three inter-city routes are investigated. A significant decrease in the fuel consumption of the hybrid car is witnessed when it runs in urban conditions at “Eco Mode”. The motion on inter-city route, i(..)

DOI: 10.21307/tp.2019.14.1.14

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