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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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86 Scientific Journals of the Maritime University of Szczecin, no. 86 / 2026
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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, )This paper presents the results of a study aimed at improving the accuracy of the recently published SATUFER method for estimating the dilution level of lubricating oil with diesel oil. It used the measured value of oil kinematic viscosity and known reference values of kinematic viscosity at the same temperature for fresh lubricating oil and diesel oil fed to the engine. This method was based on the REFUTAS algorithm for the analytical determination of the viscosity of a mixture with known mass shares and viscosities of the components. The correction factor K used in the formula estimating the concentration of diesel in the lubricating oil was Pareto optimized in the range 0.0–1.0 to minimize the value of the maximum absolute fitting error, δmax, and maximize the coefficient of determination, R2 , determined for the function estimating the degree of dilution of the lubricating oil with diesel relative to a known reference value. The analysis used a dataset of kinematic viscosity values for blends of SAE 30 or SAE 40 viscosity grade lubricating oil with B7 diesel oil at concentrations of 0, 1, 2, 5, 10, 20, 30, 40, 50, 75, and 100% m/m diesel oil in the blend at temperatures of 40, 50, 60, 70, 80, 90, and 100 °C. For each mixture, an estimated dilution level was calculated using the SATUFER method, and the result was presented with a known reference value. The results of the analysis for the assumptions presented in this article indicated that the initial value of the K-factor for further analysis was K = 0.53 instead of the initial value of K = 0.80 adopted in the REFUTAS method, which was the basis for the proposed and developed SATUFER method.
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Experimental results of heave and pitch motions of a ship with two stern shapes (transom and canoe) (Scientific Journals Maritime University of Szczecin, Zeszyty Naukowe Politechniki Morskiej w Szczecinie, )The seakeeping performance of ships is a critical factor in ship design, influencing both safety and efficiency. This paper examines the effect of two stern shapes (i.e., transom and canoe) on the response of the heave and pitch motions of a ship. The original U-shaped stern is redesigned into a curved shape by adjusting the longitudinal and transverse control points of the hull. The curvature starting point is positioned at 0.04L from the stern perpendicular toward the bow. After designing and constructing the modified model, the response amplitude operator (RAO) of the heave and pitch motions for regular waves in a towing tank test is analyzed under three different speeds and six wave frequencies. The results reveal that the transom stern shows slightly higher heave RAO values than the canoe stern, while demonstrating improved performance in pitch motion. Overall, the canoe stern exhibits a 5–15% reduction in total motion response compared with the transom stern.
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(Scientific Journals Maritime University of Szczecin, Zeszyty Naukowe Politechniki Morskiej w Szczecinie, )The coastal zone is a very dynamic area, hence the need to monitor changes occurring within it. The aim of this study was to use video monitoring along the Polish coast of the Baltic Sea to analyze changes in beach width depending on the hydrodynamic conditions prevailing in the analyzed period. The research was conducted from October 20, 2022, to July 31, 2023. Snapshot images were collected in Jarosławiec. The measurement of beach inundation in the collected images was made using the FIJI is just ImageJ program, designed for image analysis. This research included the analysis of three issues: (1) change in beach width (2) statistical analysis of hydrological data and (3) correlation between beach width and hydrological parameters. Analyses showed that the greatest beach inundation occurs in winter and spring. The height of a significant wave was usually equal or less than 2 m. The dominant direction of waves was west. Most often, the maximum sea level during storms reached from 510 to 540 cm.
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(Scientific Journals Maritime University of Szczecin, Zeszyty Naukowe Politechniki Morskiej w Szczecinie, )This article presents a preliminary method for selecting a standard bulk carrier intended for the loading and transportation of polymetallic nodules in the Clarion–Clipperton zone. The selection process is driven by key operational parameters, including the ship’s deadweight tonnage (DWT), the number of required bulk carriers, the loading time, and the annual fuel consumption. The mathematical models are developed for each parameter as a function of DWT, and a composite objective function is formulated to balance these criteria. The optimization task is performed using the Solver add-in within Excel. The results indicate that bulk carriers with a DWT between 12,000 and 24,000 tons are suitably aligned with the selected parameters, with optimal values depending on the prioritization of operational factors. Accordingly, handysize bulk carriers may be considered appropriate for the transportation of nodules from the Clarion–Clipperton zone to the discharge port.
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(Scientific Journals Maritime University of Szczecin, Zeszyty Naukowe Politechniki Morskiej w Szczecinie, )This paper presents the electromagnetic design and evaluation of a low-voltage permanent magnet-assisted synchronous reluctance motor (PMaSynRM) intended for a compact underwater thruster in USV applications. The study addresses a propulsion motor required to operate at 3000 rpm and 0.6 N m under a maximum direct-current (DC) supply voltage of 14 V, with a rated phase current of 15 A (peak) and a short-time overload capability of 30 A (peak). Following a review of electrical machine topologies used in compact underwater propulsion, PMaSynRM is adopted as the target machine topology for a constrained low-voltage thruster drive. The design procedure focused on the electromagnetic sizing of a 24-slot, 4-pole machine under strict voltage and geometric limitations, including the selection of the main dimensions, winding configuration and rotor structure. A finite element analysis (FEA) was then used to evaluate magnetic saturation, shaft torque, torque ripple, efficiency and loss distribution under rated and overload conditions. The results show that the designed machine meets the required operating point, while the application of a stator skew reduces torque ripple with only a slight reduction in average torque. The highest efficiency is obtained in the vicinity of the rated operating region, whereas the overload operation is limited by increased magnetic saturation. At a rated current, copper losses dominate the loss balance, while core and excess losses remain significantly lower. The results indicate that PMaSynRM is a viable design option for compact low-voltage underwater thruster drives subject to strict voltage and space constraints.
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(Scientific Journals Maritime University of Szczecin, Zeszyty Naukowe Politechniki Morskiej w Szczecinie, )Physical risk factors on ships are physical hazards arising from the working environment that threaten the health and safety of seafarers, and the assessment of the risks arising from these hazards is very important for sustainable maritime transportation. With this in mind, this study aims to analyze physical risk factors such as noise, thermal comfort conditions, static electricity, vibration, pressure, lighting conditions, weather conditions, and radiation on ships with the AHP and Fine-Kinney methods. According to the findings of this research, slippery floors, radiation, and noise are the most common physical risk factors that personnel working in the ship environment are exposed to. As a result of the weighting made by the analytical hierarchy process (AHP) method, the effect of these factors on occupational health and safety is found to be higher than that of other factors. Risk scoring performed with the Fine-Kinney method revealed that these factors were mostly at risk levels that “require precautions” or “require urgent intervention.” The findings show that physical risk factors affect not only employee health but also operational efficiency and long-term maritime safety. In this context, it is of great importance for ship operators to prioritize and evaluate these risks for the goal of sustainable and safe maritime transportation. In addition, the obtained findings provide important data for improving ship design processes, ergonomically reorganizing working conditions, and systematically monitoring risks.
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(Scientific Journals Maritime University of Szczecin, Zeszyty Naukowe Politechniki Morskiej w Szczecinie, )This cross-sectional observational study evaluated the prevalence and determinants of metabolic syndrome (MetS) among 1432 seafarers aboard 76 trade vessels in the Red Sea. Data collection involved onboard examinations and remote or email-based protocols, encompassing anthropometric, biochemical, and lifestyle assessments. The prevalence of MetS was 27.8%, with higher rates among officers (33.5%) than among ratings (24.8%). Central obesity (81.3%) and elevated blood pressure (72.4%) were the most common components. Multivariate analysis identified age of 40 years or older, officer rank, and physical inactivity as significant predictors. Based on these findings, a novel three-phase maritime health framework is proposed, integrating digital screening, artificial intelligence (AI)-driven risk stratification, and continuous telemedicine monitoring. This model addresses operational challenges in surveillance compliance and aligns with the shipping sector’s digital transformation, providing a predictive and preventive approach to chronic disease management at sea.
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(Scientific Journals Maritime University of Szczecin, Zeszyty Naukowe Politechniki Morskiej w Szczecinie, )Maritime autonomous surface ships (MASS) introduce operational paradigms for which no standard GUI designs or established operator roles currently exist. Conventional usability testing (UT) methods involving users are predominantly qualitative, limiting the precision of evaluations. While experienced system designers can partially compensate for this limitation, in the contexts of MASS—where operational conditions and operator roles are unprecedented—their experience offers less guidance. This underscores the need for UT methods that can efficiently support makers in developing and adapting schemata that remain well aligned with those of MASS operators. Leveraging recent advances in eye-tracking, this paper presents a conceptual UT method—a maker–user schemata alignment analysis—designed to support the research and development of GUI design for MASS. A proof-of-concept demonstration using scripted interactions illustrates how the method can reveal differences between makers’ and users’ schemata and quantify the extent of these divergences. The conceptual demonstration suggests the potential of the proposed method in providing both qualitative and quantitative assessments of maker–user schemata alignment, establishing a foundation for rigorous, human-centered evaluation frameworks as operational MASS systems are developed.
