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DEVELOPMENT OF THE TRAVEL SATISFACTION SCALE (TSS) FOR THE ASSESSMENT OF COMMUTERS’ SATISFACTION IN PUBLIC TRANSPORT: EVIDENCE FROM DELHI METRO (INDIA) 用于评估通勤者对公共交通满意度的出行满意度量表的开发：来自印度德里地铁的证据
IF 0.6
Scientific Journal of Silesian University of Technology-Series Transport Pub Date : 2022-12-01 DOI: 10.20858/sjsutst.2022.117.16
Sachin V. Solanki, Sanu Meena, Umesh Kumar
{"title":"DEVELOPMENT OF THE TRAVEL SATISFACTION SCALE (TSS) FOR THE ASSESSMENT OF COMMUTERS’ SATISFACTION IN PUBLIC TRANSPORT: EVIDENCE FROM DELHI METRO (INDIA)","authors":"Sachin V. Solanki, Sanu Meena, Umesh Kumar","doi":"10.20858/sjsutst.2022.117.16","DOIUrl":"https://doi.org/10.20858/sjsutst.2022.117.16","url":null,"abstract":"The Travel Satisfaction Scale (TSS) was created to gauge public opinion on Delhi Metro travel. It has two affective dimensions and one cognitive dimension. This study leverages data from the Delhi Metro commuter trips to undertake new tests because there has been little research on its reliability and structure in the past. Differences in the TSS's reliability and structure – notably for the Delhi Metro and the demographics of the region – are also considered. Finally, the outcomes of this study imply that a single dimension of the affective dimension, rather than the two sub-dimensions, provides a better fit for the Delhi Metro, as well as other public transportation infrastructures in developing countries like India. Individual objects do not load on the two emotional dimensions as intended in a three-dimensional structure, which is more suited for public transportation. Two of the scale's elements – enthusiastic/bored and relaxed/hurried – were associated with the other items in a previous study differing from ours. Researchers should adapt the structure of the TSS in the future by adding or replacing some items with alternate options, which will make it easier to collect data and reduce the burden on the respondent, as well as increase the reliability of the data while maintaining the TSS's consistency and balance.","PeriodicalId":43740,"journal":{"name":"Scientific Journal of Silesian University of Technology-Series Transport","volume":" ","pages":""},"PeriodicalIF":0.6,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47676761","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
MIG WELDING OF AUSTENITIC 316L STEEL USED IN MEANS OF TRANSPORT 运输工具用奥氏体316L钢的MIG焊接
IF 0.6
Scientific Journal of Silesian University of Technology-Series Transport Pub Date : 2022-09-01 DOI: 10.20858/sjsutst.2022.116.16
B. Szczucka-Lasota, T. Wȩgrzyn
{"title":"MIG WELDING OF AUSTENITIC 316L STEEL USED IN MEANS OF TRANSPORT","authors":"B. Szczucka-Lasota, T. Wȩgrzyn","doi":"10.20858/sjsutst.2022.116.16","DOIUrl":"https://doi.org/10.20858/sjsutst.2022.116.16","url":null,"abstract":"The austenitic 316L steel (1.4401) is an important stainless material used to build various means of transport. Austenitic steel has high resistance to atmospheric corrosion. The austenitic steel is treated as a good weldable material, although cracks are possible. This paper analyses the influence of various MIG welding parameters on the creation of correct joints used in the stainless steel structures of mobile platforms elements, as an example of welding structures, in various means of transport. Various tests verifying the mechanical properties of MIG welds, including non-destructive tests, tensile strength and hardness tests, were carried out. This article aims to show how important and complex the task is to select the correct welding parameters for elements of means of transport made of austenitic steel on the example of elements of mobile platforms.","PeriodicalId":43740,"journal":{"name":"Scientific Journal of Silesian University of Technology-Series Transport","volume":" ","pages":""},"PeriodicalIF":0.6,"publicationDate":"2022-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47204117","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
TECHNICAL AND OPERATIONAL MEASURES TO REDUCE GREENHOUSE GAS EMISSIONS AND IMPROVE THE ENVIRONMENTAL AND ENERGY EFFICIENCY OF SHIPS 减少温室气体排放、提高船舶环境和能源效率的技术和操作措施
IF 0.6
Scientific Journal of Silesian University of Technology-Series Transport Pub Date : 2022-09-01 DOI: 10.20858/sjsutst.2022.116.14
O. Onishchenko, V. Golikov, O. Melnyk, S. Onyshchenko, Kostiantyn Obertiur
{"title":"TECHNICAL AND OPERATIONAL MEASURES TO REDUCE GREENHOUSE GAS EMISSIONS AND IMPROVE THE ENVIRONMENTAL AND ENERGY EFFICIENCY OF SHIPS","authors":"O. Onishchenko, V. Golikov, O. Melnyk, S. Onyshchenko, Kostiantyn Obertiur","doi":"10.20858/sjsutst.2022.116.14","DOIUrl":"https://doi.org/10.20858/sjsutst.2022.116.14","url":null,"abstract":"Every year, the dynamics of implementation of projects aimed at improving the efficiency of energy use is gradually increasing at different levels and in different industries. It has spread in the areas of design, modernization and reconstruction of energy-efficient buildings and structures, design and construction of elements of industrial infrastructure, and technological production processes. Introduction of such projects is a priority for enterprises and companies of various types of economic activity. Thus, the leading industries develop strategies to improve environmental safety and energy efficiency - shipping is no exception, where the process of improving energy efficiency is carried out through various mechanisms, ultimately leading to a reduction in emissions of pollutants, but having a negative impact on the performance of the commercial operation of the ship. Problems of ensuring energy efficiency along with increasing requirements for environmental safety of transport and strengthening the responsibility of shipowners become the focus of research of modern theory and practice of operation of means of maritime transport. The issues of improvement of universal principles of energy efficiency within individual shipping companies and development of tools for economic analysis of energy efficiency of own fleet, search for new ways of forming professional competencies of ship crew members in the field of energy efficiency continue to be topical as well.","PeriodicalId":43740,"journal":{"name":"Scientific Journal of Silesian University of Technology-Series Transport","volume":" ","pages":""},"PeriodicalIF":0.6,"publicationDate":"2022-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41444660","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
ANALYSIS OF THE DEVELOPMENT OF E-COMMERCE IN POLAND FROM 2010-2020 AND ITS IMPACT ON THE TRANSPORT SECTOR 2010-2020年波兰电子商务发展及其对运输业的影响分析
IF 0.6
Scientific Journal of Silesian University of Technology-Series Transport Pub Date : 2022-09-01 DOI: 10.20858/sjsutst.2022.116.12
E. Macioszek, I. Jurdana
{"title":"ANALYSIS OF THE DEVELOPMENT OF E-COMMERCE IN POLAND FROM 2010-2020 AND ITS IMPACT ON THE TRANSPORT SECTOR","authors":"E. Macioszek, I. Jurdana","doi":"10.20858/sjsutst.2022.116.12","DOIUrl":"https://doi.org/10.20858/sjsutst.2022.116.12","url":null,"abstract":"Trade with the use of internet technology (e-commerce) provides new opportunities for expansion on a larger scale for already existing business entities and offers prospects for rapid development for new companies. This is possible due to the low entry barriers that encourage the sale of products. Online retail trade is gaining increased popularity in Poland. This article aims to analyze e-commerce development in Poland from 2010-2020. This analysis is based on data from the Central Statistical Office. The results of the analysis clearly show that the share of purchases made via the internet has been systematically growing from year to year. This growth contributes to the faster development of transport logistics, as well as the transport of the goods itself.","PeriodicalId":43740,"journal":{"name":"Scientific Journal of Silesian University of Technology-Series Transport","volume":" ","pages":""},"PeriodicalIF":0.6,"publicationDate":"2022-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41560636","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
THE EFFECT OF TRANSPORTATION FACILITIES ON MATERNAL MORTALITY: THE GUEST MOTHERHOOD PROJECT (GMP) IN TURKEY 交通设施对产妇死亡率的影响:土耳其的客母项目
IF 0.6
Scientific Journal of Silesian University of Technology-Series Transport Pub Date : 2022-09-01 DOI: 10.20858/sjsutst.2022.116.3
M. Aydın
{"title":"THE EFFECT OF TRANSPORTATION FACILITIES ON MATERNAL MORTALITY: THE GUEST MOTHERHOOD PROJECT (GMP) IN TURKEY","authors":"M. Aydın","doi":"10.20858/sjsutst.2022.116.3","DOIUrl":"https://doi.org/10.20858/sjsutst.2022.116.3","url":null,"abstract":"In undeveloped and developing countries, maternal mortality is an important problem in public health. High maternal deaths observed in some regions of Turkey are related to inequities in reaching health services (low transport facilities). To prevent maternal mortality, pregnant women should have access to health services for professional care before, during, and after childbirth. In Turkey, most maternal deaths are related to socio-economic factors, equity issues, health services and transportation facilities. Especially, transportation facilities to health centers play an important role in preventing maternal deaths. Thus, to prevent the negative effect of the winter season and adverse transportation facilities on maternal mortality, the Turkey Ministry of Health (MoH), aiming to reduce the maternal mortality ratio (MMR) in rural areas, initiated the “Guest Motherhood Project (GMP)” to cover all of its urban and rural areas. In this project, health services for pregnant women in risky regions were restructured. In the scope of the project, access problems to health centers were eliminated and rapid access to rural areas and challenging territories of Turkey were provided. Current maternal mortality statistics show that GMP is yielding good results and high quality delivery services at all health centers in every region of the country despite the regional disparities.","PeriodicalId":43740,"journal":{"name":"Scientific Journal of Silesian University of Technology-Series Transport","volume":"1 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2022-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67724646","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
APPLICATION OF THE BIOMASS AS A CONSTRUCTION MATERIAL OF THE OIL FILTER AND ITS INFLUENCE ON THE PERFORMANCE AND EMISSION CHARACTERISTICS 生物质作为机油滤清器结构材料的应用及其对性能和排放特性的影响
IF 0.6
Scientific Journal of Silesian University of Technology-Series Transport Pub Date : 2022-09-01 DOI: 10.20858/sjsutst.2022.116.15
M. Puškár, P. Tarbajovský, M. Šoltésová
{"title":"APPLICATION OF THE BIOMASS AS A CONSTRUCTION MATERIAL OF THE OIL FILTER AND ITS INFLUENCE ON THE PERFORMANCE AND EMISSION CHARACTERISTICS","authors":"M. Puškár, P. Tarbajovský, M. Šoltésová","doi":"10.20858/sjsutst.2022.116.15","DOIUrl":"https://doi.org/10.20858/sjsutst.2022.116.15","url":null,"abstract":"Engine emissions can be reduced by performing suitable modifications to the oil filter. Biomass medium served as the replacement for the standard paper fibres, which are used in common oil filters. The experimental analysis of 4 emission elements showed a moderate increase in the case of 2 emission characteristics, whereby a 10% increase in monoxide was present, and also, an increase of 2.5% of nitrogen oxides was observed. Further, there was a significant reduction of 2 other emission elements, namely the unburned hydrocarbons decreased by 61%, and the amount of particulate matter was reduced by 18%. Measured engine power increased by 1.2% using the modified oil filter, which proves the success of this filter. There was a decrease in oil pressure as well, the value dropped by 0.5 bar during the whole period of the measuring process.","PeriodicalId":43740,"journal":{"name":"Scientific Journal of Silesian University of Technology-Series Transport","volume":" ","pages":""},"PeriodicalIF":0.6,"publicationDate":"2022-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44208936","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
DIAGNOSING FAULTS IN THE TIMING SYSTEM OF A PASSENGER CAR SPARK IGNITION ENGINE USING THE BAYES CLASSIFIER AND ENTROPY OF VIBRATION SIGNALS 基于贝叶斯分类器和振动信号熵的乘用车火花点火发动机正时故障诊断
IF 0.6
Scientific Journal of Silesian University of Technology-Series Transport Pub Date : 2022-09-01 DOI: 10.20858/sjsutst.2022.116.5
P. Czech
{"title":"DIAGNOSING FAULTS IN THE TIMING SYSTEM OF A PASSENGER CAR SPARK IGNITION ENGINE USING THE BAYES CLASSIFIER AND ENTROPY OF VIBRATION SIGNALS","authors":"P. Czech","doi":"10.20858/sjsutst.2022.116.5","DOIUrl":"https://doi.org/10.20858/sjsutst.2022.116.5","url":null,"abstract":"Today's systems for diagnosing the technical condition of machines, including vehicles, use very advanced methods of acquiring and processing input data. Presently, work is being conducted globally to solve related problems. At the moment, it is not yet possible to create a single procedure that would enable the construction of a properly functioning diagnostic system, regardless of the selected object to be diagnosed. Hence, there is a need to conduct further research into the possibility of using already developed methods, as well as their modification to other diagnostic cases. This article presents the results of research related to the use of the Bayes classifier for diagnosing the technical condition of passenger car engine components. Damage to the exhaust valve of a spark ignition engine was diagnosed. The source of information on the technical condition was vibration signals recorded at various measuring points and under different operating conditions of the car. To describe the nature of changes in the vibration signals, the entropy measures were determined for the decomposed signal using the discrete wavelet transform is proposed.","PeriodicalId":43740,"journal":{"name":"Scientific Journal of Silesian University of Technology-Series Transport","volume":" ","pages":""},"PeriodicalIF":0.6,"publicationDate":"2022-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47855193","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
ACCURACY ANALYSIS OF AIRCRAFT POSITIONING USING REAL RADAR AND GPS DATA 基于真实雷达和GPS数据的飞机定位精度分析
IF 0.6
Scientific Journal of Silesian University of Technology-Series Transport Pub Date : 2022-09-01 DOI: 10.20858/sjsutst.2022.116.4
A. Ciećko, Artur Goś, K. Krasuski, Kacper Krześniak
{"title":"ACCURACY ANALYSIS OF AIRCRAFT POSITIONING USING REAL RADAR AND GPS DATA","authors":"A. Ciećko, Artur Goś, K. Krasuski, Kacper Krześniak","doi":"10.20858/sjsutst.2022.116.4","DOIUrl":"https://doi.org/10.20858/sjsutst.2022.116.4","url":null,"abstract":"This paper presents an analysis of the accuracy of aircraft positioning using radar and GPS satellite data. In particular, this study shows the results of research on determining the position of an aircraft, as well as the range and azimuth parameters for the GCA-2000 radar to the GPS solution. The research used measurement data from the GCA-2000 radar and the Thales MobileMapper Pro receiver placed onboard a Diamond DA-40NG aircraft. The flight experiment was carried out at the EPDE military airport in Dęblin. It was found that the average error in determining the position of the aircraft for the GCA-2000 radar was 295.57 m. Moreover, the average error in determining the range for the GCA-2000 radar is 138.12 m. Additionally, the average error in determining the azimuth for the GCA-2000 radar is equal to 0.408°.","PeriodicalId":43740,"journal":{"name":"Scientific Journal of Silesian University of Technology-Series Transport","volume":" ","pages":""},"PeriodicalIF":0.6,"publicationDate":"2022-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43625860","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
USE OF UNMANNED AERIAL VEHICLES FOR WATER SAMPLING IN HARD-TO-REACH WATER RESERVOIRS 无人驾驶飞行器在难采水库取水中的应用
IF 0.6
Scientific Journal of Silesian University of Technology-Series Transport Pub Date : 2022-09-01 DOI: 10.20858/sjsutst.2022.116.13
M. Marcisz, R. Morga, E. Remiorz, Tomasz Krason, Bartłomiej Michalik, Paweł Nalepka, Szymon Potempa, Kacper Saks, Gabriel Szecówka
{"title":"USE OF UNMANNED AERIAL VEHICLES FOR WATER SAMPLING IN HARD-TO-REACH WATER RESERVOIRS","authors":"M. Marcisz, R. Morga, E. Remiorz, Tomasz Krason, Bartłomiej Michalik, Paweł Nalepka, Szymon Potempa, Kacper Saks, Gabriel Szecówka","doi":"10.20858/sjsutst.2022.116.13","DOIUrl":"https://doi.org/10.20858/sjsutst.2022.116.13","url":null,"abstract":"Collecting water samples for laboratory analysis from hard-to-reach surface areas such as post-industrial reservoirs (for example, tailings depositories) or overgrown lakes and ponds poses several difficulties, and it is potentially dangerous for the persons carrying out such activity. This can be improved by the use of unmanned aerial vehicles (UAVs) while ensuring an adequate level of safety and full compliance with the requirements of PN-ISO standards. This article presents the possibility of using the BSP in the option of autonomous (automatic) operation, allowing for the collection of water samples intended for physico-chemical tests, from hard-to-reach surface reservoirs, following the provisions of the relevant PN-ISO standards.","PeriodicalId":43740,"journal":{"name":"Scientific Journal of Silesian University of Technology-Series Transport","volume":" ","pages":""},"PeriodicalIF":0.6,"publicationDate":"2022-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47324135","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
ANTI-ROLL BAR DESIGN FOR A FORMULA SAE VEHICLE SUSPENSION 方程式汽车悬架的防倾杆设计
IF 0.6
Scientific Journal of Silesian University of Technology-Series Transport Pub Date : 2022-09-01 DOI: 10.20858/sjsutst.2022.116.17
G. Wheatley, Mohammad Zaeimi
{"title":"ANTI-ROLL BAR DESIGN FOR A FORMULA SAE VEHICLE SUSPENSION","authors":"G. Wheatley, Mohammad Zaeimi","doi":"10.20858/sjsutst.2022.116.17","DOIUrl":"https://doi.org/10.20858/sjsutst.2022.116.17","url":null,"abstract":"This work outlines the development and analysis of an anti-roll bar system vehicle carried out by James Cook University. A detailed design phase was completed, clearly showing all stages of the design approach from the initial proposed design to the final design. Several analysis strategies are used throughout the report including weld calculations and FEA modelling. These calculations led to design changes impacting the final recommended system. This report demonstrates compliance with all Formula SAE rules regarding anti-roll bar systems.","PeriodicalId":43740,"journal":{"name":"Scientific Journal of Silesian University of Technology-Series Transport","volume":" ","pages":""},"PeriodicalIF":0.6,"publicationDate":"2022-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48236200","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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