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Scientific Journals of the Maritime University of Szczecin,
Zeszyty Naukowe Politechniki Morskiej w Szczecinie
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Scientific Journals of the Maritime University of Szczecin,
Zeszyty Naukowe Politechniki Morskiej w Szczecinie
ISSN 1733-8670 (Printed)
ISSN 2392-0378 (Online)
DOI PREFIX 10.17402
The Scientific Journals (SJ) issued by the Maritime University of Szczecin (MUS) is a magazine which presents results of MUS research and educational activities. SJ has been published since 1973 but in 2004 it changed the ISSN from 0209-2069 to 1733-8670 as a result of MUS changing its name from Wyższa Szkoła Morska w Szczecinie to Akademia Morska w Szczecinie.
At the beginning there were several papers published in SJ and they were connected with maritime affairs. Doctoral and habilitation theses had also been published then. With time the SJ scope expanded to among others nautical issues, operation of the vessel, marine power plant operation. The magazine presented also symposium and conference proceedings.
Since 2008, the magazine has been published in A4 format with a new layout. Since 2010 the journal has been publishing the articles in English. By the end of 2014 a total of 112 Scientific Journals will have been published.
The SJ Scientific Board ensures high quality of published papers. All papers are reviewed confidentially and anonymously (double blind review) and are a subject of scientific edition.
The Scientific Journals printed version is primary.
https://scientific-journals.pm.szczecin.pl/index.php?option=com_content&view=category&layout=blog&id=139&Itemid=128&lang=pl/
List of Issues
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85 Scientific Journals of the Maritime University of Szczecin, no. 85 / 2026
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84 Scientific Journals of the Maritime University of Szczecin, no. 84 / 2025
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83 Scientific Journals of the Maritime University of Szczecin, no. 83 / 2025
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82 Scientific Journals of the Maritime University of Szczecin, no. 82 / 2025
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81 Scientific Journals of the Maritime University of Szczecin, no. 81 / 2025
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80 Scientific Journals of the Maritime University of Szczecin, no. 80 / 2024
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79 Scientific Journals of the Maritime University of Szczecin, no. 79 / 2024
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78 Scientific Journals of the Maritime University of Szczecin, no. 78 / 2024
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77 Scientific Journals of the Maritime University of Szczecin, no. 77 / 2024
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76 Scientific Journals of the Maritime University of Szczecin, no. 76 / 2023
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75 Scientific Journals of the Maritime University of Szczecin, no. 75 / 2023
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74 Scientific Journals of the Maritime University of Szczecin, no. 74 / 2023
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73 Scientific Journals of the Maritime University of Szczecin, no. 73 / 2023
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72 Scientific Journals of the Maritime University of Szczecin, no. 72 / 2022
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71 Scientific Journals of the Maritime University of Szczecin, no. 71 / 2022
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70 Scientific Journals of the Maritime University of Szczecin, no. 70 / 2022
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69 Scientific Journals of the Maritime University of Szczecin, no. 69 / 2022
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68 Scientific Journals of the Maritime University of Szczecin, no. 68 / 2021
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67 Scientific Journals of the Maritime University of Szczecin, no. 67 / 2021
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66 Scientific Journals of the Maritime University of Szczecin, no. 66 / 2021
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65 Scientific Journals of the Maritime University of Szczecin, no. 65 / 2021
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64 Scientific Journals of the Maritime University of Szczecin, no. 64 / 2020
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63 Scientific Journals of the Maritime University of Szczecin, no. 63 / 2020
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62 Scientific Journals of the Maritime University of Szczecin, no. 62 / 2020
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61 Scientific Journals of the Maritime University of Szczecin, no. 61 / 2020
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60 Scientific Journals of the Maritime University of Szczecin, no. 60 / 2019
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59 Scientific Journals of the Maritime University of Szczecin, no. 59 / 2019
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58 Scientific Journals of the Maritime University of Szczecin, no. 58 / 2019
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57 Scientific Journals of the Maritime University of Szczecin, no. 57 / 2019
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56 Scientific Journals of the Maritime University of Szczecin, no. 56 / 2018
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55 Scientific Journals of the Maritime University of Szczecin, no. 55 / 2018
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54 Scientific Journals of the Maritime University of Szczecin, no. 54 / 2018
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53 Scientific Journals of the Maritime University of Szczecin, no. 53 / 2018
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52 Scientific Journals of the Maritime University of Szczecin, no. 52 / 2017
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51 Scientific Journals of the Maritime University of Szczecin, no. 51 / 2017
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50 Scientific Journals of the Maritime University of Szczecin, no. 50 / 2017
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49 Scientific Journals of the Maritime University of Szczecin, no. 49 / 2017
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48 Scientific Journals of the Maritime University of Szczecin, no. 48 / 2016
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47 Scientific Journals of the Maritime University of Szczecin, no. 47 / 2016
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46 Scientific Journals of the Maritime University of Szczecin, no. 46 / 2016
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45 Scientific Journals of the Maritime University of Szczecin, no. 45 / 2016
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44 Scientific Journals of the Maritime University of Szczecin, no. 44 / 2015
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43 Scientific Journals of the Maritime University of Szczecin, no. 43 / 2015
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42 Scientific Journals of the Maritime University of Szczecin, no. 42 / 2015
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41 Scientific Journals of the Maritime University of Szczecin, no. 41 / 2015
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40 Scientific Journals of the Maritime University of Szczecin, no. 40 / 2014
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39 Scientific Journals of the Maritime University of Szczecin, no. 39 / 2014
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38 Scientific Journals of the Maritime University of Szczecin, no. 38 / 2014
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37 Scientific Journals of the Maritime University of Szczecin, no. 37 / 2014
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36.2 Scientific Journals of the Maritime University of Szczecin, no. 36 / 2013
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36.1 Scientific Journals of the Maritime University of Szczecin, no. 36 / 2013
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35 Scientific Journals of the Maritime University of Szczecin, no. 35 / 2013
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34 Scientific Journals of the Maritime University of Szczecin, no. 34 / 2013
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33 Scientific Journals of the Maritime University of Szczecin, no. 33 / 2013
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32.2 Scientific Journals of the Maritime University of Szczecin, no. 32 / 2012
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32.1 Scientific Journals of the Maritime University of Szczecin, no. 32 / 2012
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31 Scientific Journals of the Maritime University of Szczecin, no. 31 / 2012
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30 Scientific Journals of the Maritime University of Szczecin, no. 30 / 2012
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29 Scientific Journals of the Maritime University of Szczecin, no. 29 / 2012
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28 Scientific Journals of the Maritime University of Szczecin, no. 28 / 2011
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27 Scientific Journals of the Maritime University of Szczecin, no. 27 / 2011
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26 Scientific Journals of the Maritime University of Szczecin, no. 26 / 2011
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25 Scientific Journals of the Maritime University of Szczecin, no. 25 / 2011
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24 Scientific Journals of the Maritime University of Szczecin, no. 24 / 2010
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23 Scientific Journals of the Maritime University of Szczecin, no. 23 / 2010
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22 Scientific Journals of the Maritime University of Szczecin, no. 22 / 2010
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21 Scientific Journals of the Maritime University of Szczecin, no. 21 / 2010
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20 Scientific Journals of the Maritime University of Szczecin, no. 20 / 2010
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19 Scientific Journals of the Maritime University of Szczecin, no. 19 / 2009
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18 Scientific Journals of the Maritime University of Szczecin, no. 18 / 2009
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17 Scientific Journals of the Maritime University of Szczecin, no. 17 / 2009
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16 Scientific Journals of the Maritime University of Szczecin, no. 16 / 2009
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15 Scientific Journals of the Maritime University of Szczecin, no. 15 / 2008
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14 Scientific Journals of the Maritime University of Szczecin, no. 14 / 2008
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13 Scientific Journals of the Maritime University of Szczecin, no. 13 / 2008
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12 Scientific Journals of the Maritime University of Szczecin, no. 12 / 2007
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11 Scientific Journals of the Maritime University of Szczecin, no. 11 / 2006
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10 Scientific Journals of the Maritime University of Szczecin, no. 10 / 2006
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09 Scientific Journals of the Maritime University of Szczecin, no. 9 / 2005
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08 Scientific Journals of the Maritime University of Szczecin, no. 8 / 2006
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07 Scientific Journals of the Maritime University of Szczecin, no. 7 / 2005
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06 Scientific Journals of the Maritime University of Szczecin, no. 6 / 2005
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05 Scientific Journals of the Maritime University of Szczecin, no. 5 / 2005
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04 Scientific Journals of the Maritime University of Szczecin, no. 4 / 2004
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03 Scientific Journals of the Maritime University of Szczecin, no. 3 / 2004
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02 Scientific Journals of the Maritime University of Szczecin, no. 2 / 2004
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01 Scientific Journals of the Maritime University of Szczecin, no. 1 / 2004
Recent Submissions
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(Scientific Journals Maritime University of Szczecin, Zeszyty Naukowe Politechniki Morskiej w Szczecinie, )The risk management process in an organization consists of several stages, during which various methods, techniques, and tools are used. Their selection depends on the specifics of the company and the possibility of their application, given the current space-time conditions and the possession of specific resources. The most popular tools are SWOT analysis, brainstorming, and methods of studying the environment, etc. Sometimes, however, in a more complicated situation in an organization relating to the occurrence of risk, these methods may prove insufficient. They can be supported by solutions based on the Haddon model, which is based on several important factors discussed in detail in three dimensions: before a given event (risk), during its duration, and after the event. The main objective of this paper is to discuss the Haddon matrix tool that can be used in the risk management process at the stage of both risk identification and response. The paper also focuses on the practical application of the Haddon matrix for frequently occurring risks in an organization. Moreover, the application of the Haddon matrix for one of the risks occurring in a selected production company is presented.
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(Scientific Journals Maritime University of Szczecin, Zeszyty Naukowe Politechniki Morskiej w Szczecinie, )This study evaluates the quantitative effects of laser cladding technology on the refurbishment of valve cages and exhaust valves in a Deutz TBD645 internal combustion engine. Laser powder cladding with Inconel 625 alloy is applied to GGG40 cast iron, and process parameters are optimized to minimize Fe dilution. The method enables low dilution, a homogeneous crack-free microstructure, reproducible valve seat geometry, and stable surface roughness after machining. Quantitative results indicate that laser cladding reduces unit repair costs by 70–80%, while total overhaul expenses decrease by 40–60%. For exhaust valve refurbishment, yearly savings of EUR 125,000–200,000 are achievable for fleets repairing 50–80 components per year. Despite process costs of EUR 250–383/kg, economic benefits remain strongly positive due to reduced downtime and extended component lifetime. The results confirm that laser cladding is an effective method for marine engine overhauls, delivering measurable economic benefits and supporting circular economy objectives in line with IMO 2030 and EU Green Deal targets.
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(Scientific Journals Maritime University of Szczecin, Zeszyty Naukowe Politechniki Morskiej w Szczecinie, )This article presents simulation scenarios that enable a reduction in the rolling surface wear of independently rotating wheels of a four-axle traction vehicle on a curved track with a small radius of curvature. Based on current knowledge, a simulation model of a light four-axle traction vehicle with independently rotating wheels driven by asynchronous AC traction motors is constructed. Kalker’s nonlinear theory is used to describe the contact between the wheels and the rails. The operation of the electric traction motors is controlled using the PWM method. The influence of the stiffness of the first-stage suspension in the vehicle on the wear of individual wheels of the vehicle model is analyzed. It is shown that it is possible to simulate the magnitude of the driving torques acting on individual wheels of the vehicle model, ensuring the reduction of the wear process of the rolling surface of the vehicle wheels on a curved track. Information on the magnitude of these torques could be used to control the movement of the real vehicle
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(Scientific Journals Maritime University of Szczecin, Zeszyty Naukowe Politechniki Morskiej w Szczecinie, )Dear Readers, you hold in your hands the last issue of the quarterly in 2025 (No. 84), concluding another year of our publishing activity. The articles collected in it address contemporary and diverse research issues, reflecting contemporary technological, organisational, legal and environmental challenges, and demonstrating the interdisciplinary nature of the research carried out, relevant to both science and business practices. The current issue features papers on safety and reliability, including risk analyses of hydrogen infrastructure, state-of-the-art radiation monitoring systems using machine learning methods and human reliability issues in industrial maintenance. Articles in the field of mechanical and materials engineering are also an important part of the issue, presenting tests on structural components and the evaluation of the properties of aluminium alloys for marine applications. Transport, logistics and legal issues are also prominently featured, including paid parking zones, pedestrian safety, the reliability of supply chains operating under uncertainty and the transport of dangerous goods in light of international maritime law regulations. Additionally, this issue discusses studies on offshore wind energy development in Poland and modern control algorithms for ship generators. As we close the year 2025, I would like to wish you a splendid 2026, prosperity in your research and professional plans, satisfaction with the challenges you face and further scientific success in the coming year. I hope that this issue will inspire further research and scholarly discussion. I would like to thank the authors and reviewers for their contribution to the high level of the publication. With regards, Editor-in-Chief dr inż. Paweł Prajzendanc
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(Scientific Journals Maritime University of Szczecin, Zeszyty Naukowe Politechniki Morskiej w Szczecinie, )Analyzing available literature, both scientific and commercial, the lack of a simple and quick methodology for determining the dimensions of sailing yachts might be noticed. This method could be used to accelerate the optimal design of modern sailing yachts. When a sailing yacht is designed, many factors need to be taken into consideration, e.g., autonomy, number of crew members, limitations of road transportation, construction and operating costs, yacht speed, and safety of navigation (stability and seaworthiness). Based on the analysis of these criteria, the main dimensions of the yacht need to be determined. In order to quickly select the most optimal type of yacht that will meet the expectations of the customer, several or a dozen variants of the yacht size should be made. Approximate functions are necessary to quickly determine the calculated coefficients depending on the length of the waterline of the hull. The dimensions of the sailing yacht and its coefficients have a decisive influence on the speed of the yacht. The methodological approach used in this article is to use a quick and easy-to-use regression method to present an analysis of the design dimensions and coefficients of a classic sailing yacht. Sailing yachts’ data of 35 similar yachts built between 2010 and 2019 were collected. The overall length range from 6.93 to 21.8 m and the obtained results, without loss of accuracy, are interpolated within the range. The main contribution of this article is to develop simple regression equations to calculate the main dimensions and coefficients of a sailing yacht in many variants without unnecessary delay. These can be used by yacht designers and other people interested in yacht design.
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(Scientific Journals Maritime University of Szczecin, Zeszyty Naukowe Politechniki Morskiej w Szczecinie, )This paper presents a numerical approach to evaluating ship waterplane hydrostatic parameters. The analysis focuses mainly on determining the longitudinal moment of inertia, computed relative to both the aft perpendicular and the midship section. This study is performed for a 9000 DWT general cargo ship with a design draught of 7.5 m. The results show small differences in the longitudinal moment of inertia (IL), which subsequently affect the moment-to-change trim (MTC). However, the study demonstrates that these differences, resulting from the selected point of origin, have a negligible impact on trim calculations. Despite minor mathematical discrepancies, their overall effect is insignificant, with IL deviations within ±0.1%, confirming that these variations do not influence practical trim calculations.
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(Scientific Journals Maritime University of Szczecin, Zeszyty Naukowe Politechniki Morskiej w Szczecinie, )The subject of this paper is to discuss and analyze the noise-induced hazards on ships. For this purpose, factors such as noise levels in different accommodations during various engine operations, methods of protecting crews from the harmful effects of noise, and the impact of noise on health and work are examined. Noise level tests are conducted at different locations on the vessel using a sound meter. Subsequently, a statistical analysis of the obtained results is carried out and the main statistical characteristics are determined and interpreted. The conducted research demonstrates in which rooms the standards are met, where they are exceeded, and in which areas hearing protection should be used. The results could be utilized in future research on occupational health and safety
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(Scientific Journals Maritime University of Szczecin, Zeszyty Naukowe Politechniki Morskiej w Szczecinie, )One of the main operational tasks of fire investigation units is to extinguish fires, which is most often achieved by applying various types of extinguishing agents to the burning material. For firefighting to be effective, it is essential to use appropriate equipment, including fire hoses through which water or water-based solutions are transported. Fire hoses must be resistant to mechanical, thermal, and chemical exposures. In particular, they must withstand abrasion, which can compromise tightness and result in leakage or uncontrolled water jets. Hose webbing typically has a multilayer structure. The outer (surface) layer is exposed to abrasion from sliding friction in contact with rough surfaces, sometimes containing abrasive particles. Abrasion against sharp edges occurs less frequently due to safety features such as fire hose saddles. Pilot laboratory tests were carried out on the hose webbing of four fire hose models to determine the coefficient of friction and linear wear. Additionally, observations were made on the wear mechanisms affecting the hose webbing surfaces.
