Pomorstvo-Scientific Journal of Maritime Research最新文献

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Perceived Safety and some Other Factors in Tourist´s Decision-Making Process 游客决策过程中的感知安全及其他因素
IF 0.6
Pomorstvo-Scientific Journal of Maritime Research Pub Date : 2023-06-29 DOI: 10.31217/p.37.1.12
Romina Alkier, Jasmina Okičić, V. Milojica
{"title":"Perceived Safety and some Other Factors in Tourist´s Decision-Making Process","authors":"Romina Alkier, Jasmina Okičić, V. Milojica","doi":"10.31217/p.37.1.12","DOIUrl":"https://doi.org/10.31217/p.37.1.12","url":null,"abstract":"Safety and security became a crucial component of an integral tourist product. Ability to offer tourists a safe stay during their holiday contributes to the attractiveness of a destination and its tourist product. Safety and security represent a pre-condition and a motive which many tourists consider crucial when choosing their destination for a holiday. Due to this, tourist destinations need to focus on improving the level of safety and security which will contribute to the satisfaction of tourists, and they will be more interested in visiting and revisiting a destination. Aim of this paper is to determine whether tourists consider safety and riskiness, as well as destination image as relevant factors in their decision-making process when choosing Opatija Riviera for their holiday. An analysis of the relevant scientific literature, and empirical research were conducted to determine if how tourists perceive safety and riskiness as well as the destination image when choosing to visit Opatija Riviera for a holiday. Based on the findings a discussion was developed to provide future activities of safety and security improvement.","PeriodicalId":44047,"journal":{"name":"Pomorstvo-Scientific Journal of Maritime Research","volume":" ","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-06-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48453611","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
Potential Development Strategy for the Shipbuilding and Ship Repair in Baltics 波罗的海地区造船和修船的潜在发展战略
IF 0.6
Pomorstvo-Scientific Journal of Maritime Research Pub Date : 2023-06-29 DOI: 10.31217/p.37.1.1
Dionysios Polemis, M. Boviatsis
{"title":"Potential Development Strategy for the Shipbuilding and Ship Repair in Baltics","authors":"Dionysios Polemis, M. Boviatsis","doi":"10.31217/p.37.1.1","DOIUrl":"https://doi.org/10.31217/p.37.1.1","url":null,"abstract":"This research is focused on the shipbuilding and ship repair industries in Latvia. The main purpose of this manuscript is to investigate all possible options to further develop the shipbuilding and ship repair industries in Latvia Initially, a brief overview of Baltics and of Latvia, with its biggest shipbuilding companies and its possibilities, are depicted in detail. The analysis is developed with the help of SWOT analysis and a Risk assessment matrix to find Latvia’s strengths, weaknesses, opportunities, and threats, then to identify all possible risks in order to identify potential issues that could negatively impact key business initiatives or critical projects, and to develop a marketing strategy. It is concluded that Latvian shipbuilding can be benefited by i) its strategic location in Baltics, ii) the highly qualified workforce employed in Latvian shipyards, iii) the certified naval expertise of the shipbuilding facilities. At the same time, the external environment and the regional competition is harsh and some points are suggested for Latvian shipbuilding to survive and possibly flourish over the next years, such as: i) repair the technologically obsolete equipment and facilities to be able to satisfy the present market trends, ii) incorporate and utilize new materials and technologies, iii) give incentives to qualified natives that went abroad for employment to similar facilities to return to Latvia and utilize their accumulated experience, thus solving the issue of the declining workforce on the sector and iv) specialize in some aspects of shipbuilding, such as luxury ships and ice class, to secure a more specialised and dedicated market.","PeriodicalId":44047,"journal":{"name":"Pomorstvo-Scientific Journal of Maritime Research","volume":" ","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-06-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49464038","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 Polynomial Function in the Analysis of Statistical Indicators of Risk and Safety in Shipping 多项式函数在船舶风险与安全统计指标分析中的应用
IF 0.6
Pomorstvo-Scientific Journal of Maritime Research Pub Date : 2023-06-29 DOI: 10.31217/p.37.1.2
J. Bonato, Biserka Draščić Ban
{"title":"Application of the Polynomial Function in the Analysis of Statistical Indicators of Risk and Safety in Shipping","authors":"J. Bonato, Biserka Draščić Ban","doi":"10.31217/p.37.1.2","DOIUrl":"https://doi.org/10.31217/p.37.1.2","url":null,"abstract":"Navigation safety issues are of common interest to all maritime countries due to their actions in a complex and risky environment. The world’s most serious ship accidents can cause major economic losses, loss of life, and severe environmental pollution in the sea. The data included in trust and security databases are usually collected from different sources. The accuracy of the collected data may vary from source to source due to a greater number of external and internal factors such as different manufacturers, and working and environmental conditions. The quality of the data may vary due to the incompleteness of the details, subjectivity, and experience of the data collector. Databases on the frequency of failures, the estimation of which can be based on recorded failure events, are difficult to access. Therefore, the aim of the research, based on the available statistical indicators of maritime risks and safety, is to indicate the application of mathematical statistics, analysis and assessment of unwanted events. The statistical methods proposed in the paper aim to point out the importance of prediction and the possibility of improving safety. In this sense, the polynomial function was applied. To visualize the results obtained during the research, the Excel program is used.","PeriodicalId":44047,"journal":{"name":"Pomorstvo-Scientific Journal of Maritime Research","volume":" ","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-06-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49025201","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 Employees’ Viewpoint of Corporate Responsibility in the Turkish Maritime Management Organization 土耳其海事管理组织员工的企业责任观
IF 0.6
Pomorstvo-Scientific Journal of Maritime Research Pub Date : 2023-06-29 DOI: 10.31217/p.37.1.5
N. Şenbursa, A. Tehçi
{"title":"The Employees’ Viewpoint of Corporate Responsibility in the Turkish Maritime Management Organization","authors":"N. Şenbursa, A. Tehçi","doi":"10.31217/p.37.1.5","DOIUrl":"https://doi.org/10.31217/p.37.1.5","url":null,"abstract":"Corporate Social Responsibility (CSR) is an emerging strategy for organizations to secure their status in the market that they serve. It is thought that the increase in CSR activities within and outside the organization, especially for maritime organizations, will positively affect the image of the institution. The current research aims to reveal the relationship between CSR perceptions of the employees in the maritime industry and corporate image (CI), employee satisfaction (ES), employee loyalty (EL) and word of mouth (WOM). The data obtained through a questionnaire from 284 office workers in a Turkish ship-owner company were tested with the Structural Equation Model using SPSS 24.0 AMOS 21.0 statistical package program. As a result, it was found that there is a positive relationship among CSR and ES, CI, WOM and EL. In addition, it has been concluded that CSR has a very high effect on CI, also CI has a very high effect on WOM communication.","PeriodicalId":44047,"journal":{"name":"Pomorstvo-Scientific Journal of Maritime Research","volume":" ","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-06-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48375676","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
Radio Wave Energy Harvesting Model of a Maritime Automatic Identification System 海上自动识别系统的无线电波能量采集模型
IF 0.6
Pomorstvo-Scientific Journal of Maritime Research Pub Date : 2023-06-29 DOI: 10.31217/p.37.1.13
Jura Slunjski, Sanjin Valčić
{"title":"Radio Wave Energy Harvesting Model of a Maritime Automatic Identification System","authors":"Jura Slunjski, Sanjin Valčić","doi":"10.31217/p.37.1.13","DOIUrl":"https://doi.org/10.31217/p.37.1.13","url":null,"abstract":"Radio waves, the spectrum of the electromagnetic waves, are all around us and in most cases have only one purpose. The maritime Automatic Identification System (AIS) uses Very High Frequency (VHF) radio waves for the purpose of data exchange between ships and shore stations. These data exchanges take place during certain time intervals, resulting in intermittent emission of electromagnetic waves. In the research presented in this paper, the objective was to add a new purpose for the AIS electromagnetic waves, i.e. to act as a power source for the RF energy harvester. After collecting the electromagnetic waves of the AIS system, the signals’ voltage is rectified, amplified and delivered to the load. In this paper, the process of radio wave energy harvesting is simulated in the Multisim software and analyzed in detail. The results of the analysis showed a multiple increase in the voltage value at the output of the RF energy harvester.","PeriodicalId":44047,"journal":{"name":"Pomorstvo-Scientific Journal of Maritime Research","volume":" ","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-06-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49653869","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
Mechanical Properties Evaluation of Laminated Composites of Petung Bamboo (Dendrocalamus asper) and Coconut Coir Fiber as Ship Construction Components 槟榔竹/椰椰纤维层压复合材料的力学性能评价
IF 0.6
Pomorstvo-Scientific Journal of Maritime Research Pub Date : 2023-06-29 DOI: 10.31217/p.37.1.7
P. Manik, T. Tuswan, Febryan Aldo Overstiano Rahardjo, Saefulloh Misbahudin
{"title":"Mechanical Properties Evaluation of Laminated Composites of Petung Bamboo (Dendrocalamus asper) and Coconut Coir Fiber as Ship Construction Components","authors":"P. Manik, T. Tuswan, Febryan Aldo Overstiano Rahardjo, Saefulloh Misbahudin","doi":"10.31217/p.37.1.7","DOIUrl":"https://doi.org/10.31217/p.37.1.7","url":null,"abstract":"The high demand for steel and wood as the primary shipbuilding materials will increase market prices due to decreasing supplies each year. To address this issue, new alternative materials that are more environmentally friendly and inexpensive, such as natural fibers like bamboo and coconut fiber, must be explored. This study aimed to investigate how the directional arrangement (0° unidirectional and 90° unidirectional) of laminated Petung bamboo (Dendrocalamus asper) affects the compressive and flexural strength of ship construction. The compressive strength on the X, Y, and Z-axis was measured to determine the laminated beam’s strength ratio on each side. In contrast, the flexural strength was only observed on the Y and Z-axis due to testing equipment limitations. The results showed that the directional arrangement of laminated Petung bamboo with different test axes significantly impacted the compressive and flexural strength of laminated beams made of Petung bamboo and coconut coir fiber. Laminated Petung bamboo and coconut coir fiber with 0° unidirectional fiber had better compressive and flexural strength values than those with 90° unidirectional fiber. Based on the data testing, the combination of Petung bamboo and coconut coir fiber materials can be categorized into different strength classes. These findings have important implications for using laminated bamboo in shipbuilding applications. The use of laminated bamboo with a 0° lamina direction could be recommended for ship components that require high levels of strength than laminated bamboo with a 90° lamina direction.","PeriodicalId":44047,"journal":{"name":"Pomorstvo-Scientific Journal of Maritime Research","volume":" ","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-06-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42868464","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
Quantitative Analysis of Fuel Consumption and Fuel Sediments Separation as a Function of Fuel Type and Ship Operation Mode on Product/Chemical Tanker Example 以成品油/化学品船为例,燃料类型和船舶运行方式对燃料消耗和燃料沉积物分离的影响定量分析
IF 0.6
Pomorstvo-Scientific Journal of Maritime Research Pub Date : 2023-06-29 DOI: 10.31217/p.37.1.10
J. Dujmović, R. Miculinić
{"title":"Quantitative Analysis of Fuel Consumption and Fuel Sediments Separation as a Function of Fuel Type and Ship Operation Mode on Product/Chemical Tanker Example","authors":"J. Dujmović, R. Miculinić","doi":"10.31217/p.37.1.10","DOIUrl":"https://doi.org/10.31217/p.37.1.10","url":null,"abstract":"Fuel consumption onboard is influenced on several factors but most crucial is ship operation mode and fuel type in use. Conventual fuel preparation process onboard consists of several stages. One of the most essential processes is centrifugal separation treatment operation onboard, which consists of introducing fuel into the field of high centrifugal field, where impurities and sediments are separated from fuels. The quantity of separated sediments and impurities from the fuel is essential for accurate calculating the remaining fuel quantity on board (ROB). The purpose of this paper is to determine and verify the influence of potential factors that can affect the quantity of fuel consumption and separated sediments quantity from the fuel based on actual data from real product/chemical tanker powered by conventional fuels. By means of statistical analysis the average values, minimums, maximums, standard deviations, and variations, median and modes, standard errors for separated sludge from fuel, heavy fuel consumption (HSHFO) and diesel fuel consumption (LSMGO) during entire observed period and during specific operations modes are obtained. Furthermore, regression formulas between separated sediments from fuel vs fuel consumption during each ship operation mode are generated. Finally, by means of single and multifactorial analysis significant influence of ship operations mode on fuel consumption and separated quantity has been confirmed. This research contributed to find relations more accurately between separated sediments quantity to fuel consumption that might be used for more accurate emission calculation.","PeriodicalId":44047,"journal":{"name":"Pomorstvo-Scientific Journal of Maritime Research","volume":" ","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-06-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47640902","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
A Port Entry Risk Assessment Model Based on Bayesian Networks and Elements of the e-Navigation Concept 基于贝叶斯网络和电子导航概念要素的口岸入境风险评估模型
IF 0.6
Pomorstvo-Scientific Journal of Maritime Research Pub Date : 2023-06-29 DOI: 10.31217/p.37.1.11
Mario Musulin, Grgo Kero, Hrvoje Nenad Musulin, David Brčić
{"title":"A Port Entry Risk Assessment Model Based on Bayesian Networks and Elements of the e-Navigation Concept","authors":"Mario Musulin, Grgo Kero, Hrvoje Nenad Musulin, David Brčić","doi":"10.31217/p.37.1.11","DOIUrl":"https://doi.org/10.31217/p.37.1.11","url":null,"abstract":"Most maritime accidents are caused by human error. To reduce these errors, increase safety, protect the marine environment, reduce the administrative burden, and optimize maritime trade, the International Maritime Organization (IMO) decided to implement a concept called e-Navigation. The term e-Navigation refers to the integration of the most modern information and communication systems, both on board and ashore. The research scope of this work is the safety of navigation of the ship during the port entrance. Particularly in this case, the elements that affect the safety of the ship during port entrance are analyzed in a case study of New York port. An adaptive model based on the Bayesian Belief Network (BBN) was created, which evaluates the decision-making elements and risk assessment for port entry. The model is adaptable in the context of the different port requirements. With the presented model, all entities (ships, shipping companies, and service providers) have insight into the estimated decision to enter the port based on the given elements. Further research needs to be continued on the issue of comparing the proposed model with similar models, and how much reliance on the model burdens or facilitates the Master’s decision.","PeriodicalId":44047,"journal":{"name":"Pomorstvo-Scientific Journal of Maritime Research","volume":" ","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-06-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42649432","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
Analysis and Comparison of Main Steam Turbines from Four Different Thermal Power Plants 四种不同火电厂主汽轮机的分析与比较
IF 0.6
Pomorstvo-Scientific Journal of Maritime Research Pub Date : 2023-06-29 DOI: 10.31217/p.37.1.6
V. Mrzljak, Maro Jelić, I. Poljak, J. Prpić-Oršić
{"title":"Analysis and Comparison of Main Steam Turbines from Four Different Thermal Power Plants","authors":"V. Mrzljak, Maro Jelić, I. Poljak, J. Prpić-Oršić","doi":"10.31217/p.37.1.6","DOIUrl":"https://doi.org/10.31217/p.37.1.6","url":null,"abstract":"This paper presents an analysis and comparison of four steam turbines and their cylinders from four different power plants (marine, conventional, ultra-supercritical and nuclear power plants). The main goal was to find which steam turbine and their cylinders show the best performances, the highest efficiencies, the lowest specific steam consumption and which turbine is the lowest influenced by the ambient temperature change. The highest efficiencies, both isentropic and exergy, are observed in the steam turbine and their cylinders from the ultra-supercritical power plant (whole turbine from ultra-supercritical power plant has an isentropic efficiency equal to 88.36% and exergy efficiency equal to 91.05%). Also, this turbine has the lowest specific steam consumption (7.32 kg/kWh) and exergy parameters of this turbine are the lowest influenced by the ambient temperature change. The worst performance (the lowest efficiencies, high specific steam consumption and the highest sensitivity to the ambient temperature change) show the cylinders and whole turbine from marine propulsion power plant. The same analysis and comparison are also performed for several other steam turbines from four mentioned power plants, so the presented relations and dominant conclusions have general validity. It can be concluded that steam turbines in ultra-supercritical power plants show the best performances in comparison to steam turbines from any other power plant.","PeriodicalId":44047,"journal":{"name":"Pomorstvo-Scientific Journal of Maritime Research","volume":"243 ","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-06-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41271515","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
Traffic Microsimulation of the Main Junction Connecting the Urban Road Network with the Sea-Port Container Terminal 城市道路网与海港集装箱码头主枢纽交通微观模拟
IF 0.6
Pomorstvo-Scientific Journal of Maritime Research Pub Date : 2023-06-29 DOI: 10.31217/p.37.1.9
N. Grubišić, Tomislav Krljan, Katarina Sesar
{"title":"Traffic Microsimulation of the Main Junction Connecting the Urban Road Network with the Sea-Port Container Terminal","authors":"N. Grubišić, Tomislav Krljan, Katarina Sesar","doi":"10.31217/p.37.1.9","DOIUrl":"https://doi.org/10.31217/p.37.1.9","url":null,"abstract":"Efficient transportation connectivity between ports and the hinterland is essential for the functioning of the port, especially for container terminals that predominantly rely on road transport. The integration of port and urban traffic flows, particularly in terminals located near cities, has a double impact on the level of service of urban traffic and the efficiency of the port. This paper examines the effects of a newly built container terminal, with a capacity of less than 1 million TEU per year, on urban traffic in Rijeka, Croatia. A microscopic-level simulation method is used together with traffic network modeling design. The research identifies potential bottlenecks or critical elements in the network with lower performance for the current traffic demand and the future growth scenarios of the container traffic. The study’s findings contribute to understanding the dynamic characteristics of port and urban traffic flow correlation, crucial for efficient transportation management and sustainable urban development in port cities.","PeriodicalId":44047,"journal":{"name":"Pomorstvo-Scientific Journal of Maritime Research","volume":" ","pages":""},"PeriodicalIF":0.6,"publicationDate":"2023-06-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44514520","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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