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1
Content available Influence of selected aspects of the technical condition of means of transport operating in Wielkopolska in Poland on road safety
100%
Gorzelanczyk P.
Technical Sciences / University of Warmia and Mazury in Olsztyn
|
2020
|
tom nr 23(3)
233--252
EN
The aim of the article is an attempt to determine whether the technical condition of vehicles in Wielkopolska has an impact on road traffic. For this purpose, the lighting of 20 passenger vehicles and tires in public transport and driving school cars in Wielkopolska were analysed. The lighting of the subject vehicles was organoleptically tested and their intensity and dipped beam were checked at the vehicle inspection station. In the case of five of the tested vehicles, the luminous intensity was at an unsatisfactory level. In the next step, the tires of 16 randomly selected buses were tested. Tread wear tests were discussed in the analysed buses and the influence of tread wear on tire exploitation was presented. For the tested buses, it is noteworthy that the tires were changed if the tread height was too low. In the last step of the research, the tires of a driving school truck were analysed. It was found that the wear of the tire is not even due to driving on a manoeuvring area. Based on the above tests, it can be concluded that the technical condition of road vehicles is important and affects their operation and safety.
2
Content available Road traffic safety: a case study of the Pila poviat in Poland
63%
Gorzelanczyk P. , Huk A.
Zeszyty Naukowe. Transport / Politechnika Śląska
|
2022
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tom z. 114
31--42
EN
Every year, many road accidents occur on Polish roads, in which many people lose their lives and health. Therefore, an attempt was made to analyze road accidents in the Piła poviat. The source of the analysis were the authors' observations and statistical data. This study was conducted on a sample of 250 inhabitants. Hence, a questionnaire was used. Most people, more than half, about 56%, travel by car because it is a more convenient and faster means of transport. While 35% of respondents stated that they feel relatively safe on the roads. A majority, 65%, of the respondents did not participate in a road accident. Further, 60% of the respondents replied that there were many accidents in the Piła poviat, and only 11% answered that there were not many accidents. According to the respondents, the biggest cause of the accidents is alcohol, inattention of drivers and haste. Despite the information, advertisements, scale of these accidents, and opinions of family and friends, people still drive under the influence of alcohol. Year by year, the number of accidents on the roads of the Piła poviat is low, but still considerably high. There is no best way to stop this from happening. In Piła itself, circular intersections have been introduced to improve safety, such an operation is one of the methods for smoother traffic. Additionally, in residential areas, there are more speed bumps to reduce the speed of vehicles. The conclusions obtained in this article can be successfully implemented, not only in other cities in Poland but also in Europe as well.
3
Content available Forecasting the load on night bus lines: a case study of the municipal transport company in Piła
63%
Gorzelanczyk P. , Polak I.
Zeszyty Naukowe. Transport / Politechnika Śląska
|
2021
|
tom z. 113
75--90
EN
The main purpose of this article is to make a forecast of the load on the night lines using the Municipal Transport Company in Piła (MTC) as a case study. This article characterizes the concept of urban logistics and mobility, and then proposed a mobility model that considers the preferences of residents when choosing a means of transport. Finally, it ends with a survey and the appropriate conclusions drawn.
4
Content available Analysis of telematics techniques in logistic transport management in cities
63%
Gorzelanczyk P. , Seweryn B.
Zeszyty Naukowe. Transport / Politechnika Śląska
|
2021
|
tom z. 112
63--73
EN
The rapid increase in the number of vehicles in cities and the intensity of their movement necessitates the use of appropriate transport management solutions. Various telematics techniques are used in logistics transport management in cities, which are the basis for the functioning of telematics systems. This article analyses selected telematics techniques used in logistics transport management in cities and presents the developed concept of changes in logistics transport management in the city of Piła, including the use of appropriate telematics techniques. The existing telematics system in the city of Piła and the proposed solutions were subjected to appropriate examination. This study aimed to verify the quality of the current state of the system and learn opinions on the proposed solutions that could be implemented in Piła, considering the effects that could be achieved as a result of improving the existing system. The survey method was used to obtain relevant information. The questionnaire developed, containing the elements assumed in this study, was addressed to respondents residing in Piła and its environs. The survey was conducted in December 2020 and January 2021.
5
Content available Road safety and the causes of road accidents in Poland
51%
Gorzelanczyk P. , Jurkovič M. , Skibińska J. , Kalina T.
Transport Problems
|
2022
|
tom T. 17, z. 3
17--30
EN
The number of road traffic accidents in the world has been increasing. This is mainly related to the constant increase in road traffic. The aim of this article is to examine the causes of road accidents in Poland in terms of road traffic safety. For this purpose, road incidents that occurred in Poland were analysed. In order to verify the presented statistical data on the state of safety in Poland, a survey was carried out to indicate the factors that most often cause traffic accidents. Possibilities for increasing the efficiency of traffic safety and an evaluation of the level of safety in vehicles were also part of the survey. The results showed that the state of RS, in the opinion of the respondents, is poor. The respondents correctly indicated the most frequent causes of road accidents, which confirms their knowledge in the field of road safety. The survey also showed that the activities of the police nd programmes for increasing safety need improvement. According to the respondents, the actions that should be taken to improve safety are, first of all, the improvement of the technical condition of roads and the modernisation of road infrastructure. In addition, the survey showed that most men are car drivers, while women primarily travel on foot; the results also showed that the knowledge of RS is better among women.
6
Content available Methodology for optimising the hull shape of a vessel with restricted draft
45%
Illes L. , Jurkovic M. , Kalina T. , Gorzelanczyk P. , Luptak V.
Zeszyty Naukowe. Transport / Politechnika Śląska
|
2021
|
tom z. 110
59--71
EN
Increasing transport volumes on Europe's inland waterways is a major reason for improving the quality and reliability of internationally important waterways. Continued navigation restrictions due to restricted draft (draught) led to the search for new design solutions. Such solutions enable navigation even under critical navigation conditions. Restricted draft is one of the most important limitations that hinder navigation, especially in the summer. The main objective of the construction of an inland vessel is to obtain a shape that will achieve optimum performance with as little resistance as possible. A shape that will be able to navigate at a limited depth. Presently, there is no clearly defined methodology as a procedure for optimising the hull. When solving theoretical problems of shipbuilding character and ship calculations, it is necessary to consider the basic theory of the ship with special regard to the latest methodological procedures of related scientific disciplines. This paper presents a methodology that considers all the basic aspects of optimisation tasks in ship design and construction.
7
Content available Influence of motorization development on civilization diseases
45%
Gorzelanczyk P. , Jurkovic M. , Kalina T. , Sosedova J. , Luptak V.
Transport Problems
|
2020
|
tom T. 15, z. 3
53--66
EN
The health style of the population has deteriorated in the last 10 years, given the possibilities offered by an increasingly advanced civilization. The paper attempts to find the answer to the question whether the development of motorization has an effect on civilization diseases. To this end, the paper began with an analysis of the registered numer of means of transport in Poland and an analysis of the number of cases of malignant and respiratory tract cancers. Then, the focus was on the analysis of exhaust toxicity, discussing its definition and determining the limit values for exhaust toxicity occurring in the means of transport. In the next section, the paper was carried out on the toxicity of exhaust gases of lorries and passenger cars affecting human health. Finally, the paper ends by summarizing the results and drawing the appropriate conclusions.
8
Content available Proposal of Conversion the Tugboat Engines to Diesel – LNG Operation
38%
Jurkovic M. , Kalina T. , Jancosek L. , Kadnar R. , Gorzelanczyk P. , Jerabek K.
Advances in Science and Technology. Research Journal
|
2019
|
tom Vol. 13, no 4
129--142
EN
International shipping is the source of around 3% of global CO2 emissions. Liquefied natural gas (LNG) is currently considered the only reasonable and commercially advanced alternative to the petroleum-based ship fuels. Liquefied natural gas can make a significant contribution to the diversification of transport fuels, reducing the greenhouse gas emissions from ships and heavy vehicles. The introduction of LNG technology as a drive for inland ships is a complex process. It requires activities in various areas, including development, legislation, building infrastructure, construction of new ships or their reconstruction. The greatest problem now seems to be the certainty of investing in the new fleet or their reconstruction. It is therefore desirable to assure shipowners that the investment in renewing or reconstruction should be guaranteed. This paper provides a study of reconstruction of the inland tugboat (tug) to a dual fuel system (diesel – LNG). A tugboat used by Slovak shipping company was chosen as a model vessel. The results presented a comprehensive design of the main and auxiliary engine remodelling, as well as the design of the vessel’s tanks and show how the conversion affects the basic navigational characteristics of the tugboat. Finally, the results point to the conversion methodology which is partly applicable to another type of inland tug, considering the individual specificities.
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