50’ Sail Catamaran with Hybrid Propulsion, Design, Theoretical and Experimental Studies

Litwin, Wojciech; Piątek, Daniel; Leśniewski, Wojciech; Marszałkowski, Konrad

doi:10.2478/pomr-2022-0012

Cited by 2 publications

(1 citation statement)

References 24 publications

(18 reference statements)

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“…They can achieve this aim also by switching to alternative fuels like liquid or gas biofuels, and even solid biofuels like torrefied pellets, or ammonium hydroxide, E-fuels (PtF technology) and, as a target, hydrogen. At the same time, the ship's energy system should be modified and made more efficient, for instance by making use of waste heat or by introducing hybrid or purely electric drives [4][5][6]. Increasingly popular is the application of renewable energy sources (RES), mostly wind power and irradiance, as they make it possible to obtain better parameters of the required EEDI, EEXI, and CII indexes.…”

Section: Introductionmentioning

confidence: 99%

Experimental Research of the Impact of Ship’s Rolling on the Performance of PV Panels

Zeńczak

Zapałowicz

2022

Polish Maritime Research

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The aim of the International Maritime Organization (IMO) to reduce by half the amount of greenhouse gases emitted by marine ships by 2050, and its vision of the fastest total decarbonisation in the maritime shipping industry within the present century, calls for implementation with various means of decarbonisation. The IMO approaches the process of decarbonisation in two phases. Firstly, short-term, compact projects are to be considered, next, more complex, medium- and long-term solutions should be aimed at. The preferred arrangements to be applied are photovoltaic systems. Their performance depends to a high degree on the solar incidence angle. In the case of a ship swinging as a result of its course in relation to the wave and incidence direction, the incidence angle undergoes significant periodic changes with a significant effect on the power generated by the PV panels. As a result, the total amount of energy produced by the PV panels diminishes. The paper presents experimental research results obtained on the stand that allowed the investigation of PV panels in simulated marine conditions. Two characteristic positions of a PV panel’s rotation axis in relation to the solar rays’ incidence direction were investigated. It was proved for both variants that the rolling period and solar incidence angle affected the power generated by the PV panel.

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Section: Introductionmentioning

confidence: 99%

Experimental Research of the Impact of Ship’s Rolling on the Performance of PV Panels

Zeńczak

Zapałowicz

2022

Polish Maritime Research

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Human Resource Management Digitalisation in Multidisciplinary Ship Design Companies

Bilon,

Litwin

2023

Polish Maritime Research

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The digitalisation in the ship design sector is currently applied to the design process itself and is well defined, partially standardised and practically implemented by both independent design companies and the design departments of shipyards. The situation is similar in other sectors of engineering. However, the requirements for the digitalisation of other processes in design and engineering companies have not previously been studied, and the limited financial resources of ship design companies mean that there is a need for research on the digitalisation needs of multidisciplinary ship design companies. The implementation of building information modelling (BIM) solutions is costly for design companies and generates benefits mainly for shipyards and shipowners. The lack of benefits for design companies leads to the hesitation of managers whenever digitalisation is considered; the scope and scale of the digitalisation, as well as the selected software and BIM level, are defined by the shipyard requirements. The participation and support of management in the digitalisation process is one of the key success factors; the expected benefits caused by digitalisation for the organisation will increase the motivation of managers to invest limited resources in digitalisation. There are no data that indicate the processes with a high potential for digitalisation and the scale of expected improvements in ship design companies; therefore, research in this area was performed with a group of project managers from design and engineering companies. The research focused on collecting the opinions and experiences of the managers related to the manual management of resources and comparing the poll results with the conclusions from the enterprise resource planning (ERP) system data analyses. The paper analyses if the digital automation of the resource management process can lead to the substantial improvement of the operations of multi-project, multidisciplinary engineering ship design companies.

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50’ Sail Catamaran with Hybrid Propulsion, Design, Theoretical and Experimental Studies

Cited by 2 publications

References 24 publications

Experimental Research of the Impact of Ship’s Rolling on the Performance of PV Panels

Experimental Research of the Impact of Ship’s Rolling on the Performance of PV Panels

Human Resource Management Digitalisation in Multidisciplinary Ship Design Companies

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