This paper suggests Fuzzy-logic-rule base method to assess the performance status of a wharf in order to classify it. The method proposed is predicated upon its ability to analyse processes and operations based on subjective judgement with little or no statistical data available. The study also shows that fuzzy-logic rule base is a veritable tool to qualitatively and quantitatively assess the status of a wharf offering ferry service. Using the model developed in this study, the performance status of Yenagoa wharf has been determined to be orange, having a (WPS) overall of 4.8. The status of the wharf has been in good agreement with the perception of stakeholders that the Yenagoa wharf needs restructuring to curb the frequent crisis occurring among stakeholders. The model also indicated those areas of the wharf’s operations needing attention. The study indicates that even though major components that determine the quality and profitability of the wharf’s ferry service are high in value, the overall status of the wharf may not be necessarily high. As such, the study method can be used to control the growing ill-feeling between boat operators and passengers while harmonizing all stakeholders (operators, passengers, and regulators etc) to work together to improve the status of the wharf.
The greatest crisis of the European Union thus far was caused by the significant migration wave from the Middle East in 2015/2016. At the beginning of the migration wave, Europeans were hospitable and accepted the unfortunate strangers. However, with the considerable increase in the number of migrants, this attitude began to change. Among particular groups of inhabitants, xenophobia and intolerance towards migrants began to flourish, which was fanned by the sporadic incidents in which the migrants participated. The unexpected refugee crisis encouraged the rise of populism and an increase in the popularity of the right political option, which began linking all problems in society with the migration question. For the strengthening of populism, an important role was played by the media, especially digital media, which became the primary communication and mobilisation platform of populists.
Modern large cruise ships have great energy needs for different technological processes on board. The energy needs depend on the operating conditions and the required speed of the ship, and the high energy requirements usually mean high fuel costs. With the enforcement of international regulations aimed at reducing environmental pollution, various measures and procedures have been proposed to increase the energy efficiency of ships. This paper outlines method that can be applied to ships without installing new or modification of existing systems and will require somewhat increased attention of chief engineer during voyage and his close cooperation with the captain. Traditionally, the required speed of the ship will be determined by the length of the fairway divided by the time that is available for travel. Analyzing originally collected data from the cruising ship it was concluded that by optimizing the speed of navigation according to the requirements of the route it is possible to achieve significant fuel savings, reduce travel costs, increase energy efficiency and reduce environmentally harmful emissions of the ship.
With the enforcement of international regulations aimed at reducing environmental pollution, various measures and procedures have been proposed to reduce fuel consumption and increase energy effi ciency of ships. Cruising ships that are commonly visiting some of most sensitive and protected sea areas are of particularly interest. This case study outlines measure that can be applied tocruising vessels without installing new or modifi cations of existing systems and will require somewhat increased attention of chief engineer during voyage. Modern medium speed marine diesel engines, out of the total energy contained in the fuel, utilize slightly less than half while the rest is a thermal loss.Therefore, ships are equipped with waste heat recovery systems utilizing the excessive heat of diesel engine exhaust gases and cooling water. The fi ndings in this paper shows that correct selection of parameters in automated control of cooling water temperature results with a signifi cant improvement of diesel engine thermal effi ciency, reduced fuel consumption and improved costs effi ciency. The results are applicable for all similar marine or industrial power systems as well.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.
hi@scite.ai
10624 S. Eastern Ave., Ste. A-614
Henderson, NV 89052, USA
Copyright © 2024 scite LLC. All rights reserved.
Made with 💙 for researchers
Part of the Research Solutions Family.