Pollution caused by ships is a great threat to the environment nowadays. This article is about methods of reducing pollution caused by shipping industry. By reading the article the reader will discover an calculation of how much some green energy sources like modern Flettner rotor and Flettner balloon, which are using wind renewable energy, together with an electrical engine can reduce pollution for a route during ocean passage and how much are the costs of installation, of green energy resources system and the investment mitigation time. This article major points are: calculation of the fuel consumption for a container ship on a route during ocean passage, calculation of the pollution made by the ship if he uses fossil fuel and calculation of pollution if the ship is using green energy resources and an electrical motor, costs of the investment for transforming a fossil fuel eating container ship into a green one during ocean passage.
In this article we propose a feasibility study about the use of an optimization electrical energy program for a container ship in order to make the best choice of making a hybrid system. In order to design and choose the best components of a hybrid system formed from some conventional sources of energy and one unconventional source1, we used an optimization software called HOMER2. In this study, the average energy consumption of the ship per hour was taken by approximating the measurements recorded over a period of several days. As a potential source of green energy, we used the Flettner balloon. Flettner balloon is a generator of electric power, filled with helium that rotates around his own horizontal ax and sends the electricity using some cables. It rotates around his own horizontal ax in response to the wind, effectively generating clean, renewable electricity. The article shows how to select the best elements of the hybrid system, for a configuration which uses conventional sources of energy and one renewable energy source, taking into account the current prices of the necessary equipment. HOMER simulates thousands of different system configurations, or combinations of components, optimizes the cost during operation and generates analysis results on all input data, graphs with variations in time (day/month/year) of the various sizes involved in the system: generated power, load, accumulators.
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