Choose the best electricity sources for a container ship by using a hybrid optimization model for electric renewable

Vasilescu, Mihail-Vlad; Panaitescu, Mariana; Panaitescu, Fanel-Viorel; Dinu, Dumitru; Panait, Cornel

doi:10.1117/12.2570761

Cited by 4 publications

(3 citation statements)

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“…After the installation of the green energy [4] sources (a FLETTNER Balloon [5] with helium and four vertical wind turbines) part of the hybrid system, on a container ship, ship stability and maneuverability are not fundamentally changing. There are not big differences between the ship initial manoeuvrability and the ship manoeuvrability with the hybrid system installed.…”

Section: Discussionmentioning

confidence: 99%

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The Effect of Use of Unconventional Power Generation Systems on the Safety of Navigation

Vasilescu¹,

Panaitescu²,

Scupi³

et al. 2022

IJMMT

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By using a hybrid system formed from two unconventional energy devices large vertical wind turbines and FLETTNER Balloon and a conventional source of energy, ship owners can save a great deal of fuel, thus making substantial savings and not least, reducing pollution, making environmentally friendly ships. Unfortunately, the legislation in force does not allow ships to enter ports with unconventional energy sources. For this reason, unconventional energy sources will be used only during transoceanic crossings or during longer journeys. In this article major points are: 1) the influence of the FLETTNER helium Balloon on the manoeuvrability and road stability of the ship; 2) the influence of large Vertical wind turbines installed on the deck of the container ship on the manoeuvrability and road stability of the ship; 3) the calculation of the stability of the ship with the FLETTNER Balloon with helium coupled and with the 4 Vertical wind turbines installed on the ship's deck; 4) modelling the phenomena regarding the comparative analysis of the forces in the FLETTNER Balloon and in the large Vertical wind turbines. As results were obtained: 1) velocity and pressure distributions, forces and kinetic energies for the FLETTNER Balloon in various weather conditions, with winds of 10 and 20 m / s respectively from different directions: 00, 300, 600, 900 in various planes; 2) the distributions of speeds and pressures, forces and kinetic energies studied individually for each of the four large vertical wind turbines at winds of 10 m/s and 20 m/s respectively in various planes, segregated according to the position of port bow, starboard and stern port, starboard. This development was due to the growing demands to solve various problems at the industrial level, coming to the aid of many engineers who wanted an improvement in the equipment used, but did not have the financial support to perform experiments.

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Section: Discussionmentioning

confidence: 99%

“…The energy generated by the system at height is sent to the ship by cables. The electricity generated flows through the cables to a transformer located on the ship, then is redirected to the grid [4].…”

Section: Introductionmentioning

confidence: 99%

The Effect of Use of Unconventional Power Generation Systems on the Safety of Navigation

Vasilescu¹,

Panaitescu²,

Scupi³

et al. 2022

IJMMT

Self Cite

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“…029562 `= 9.5032 and `= 39204 `= 0.029922 4 Ship longitudinal stability and its effect on the ship trim 1 = (25) Where: MTC= moment of change trim one centimeter D= ship displacement L= ship length[8] =GM longitudinal Determination of LKM for the new draft`= 9.5032By interpolation from hydrostatic tables we extracted the LKM` for `. = = 232.9952 Where: Longitudinal metacenter= The point in a vertical line through the centre of gravity of a ship where this line is intersected by a second vertical line through the centre of buoyancy when the ship is inclined at a very small angle in a fore and aft direction.…”

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Influence of Flettner balloon, used as wind energy capturing system, on container ship stability

Vasilescu

Dinu

2020

E3S Web Conf.

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This article presents the influence on the stability of a container ship, by connecting a Flettner balloon, as wind energy capturing system. Flettner balloon is a generator of electric power, filled with helium that rotates around a horizontal axis and sends the electricity using a cable. It rotates around a horizontal axis in response to the wind, effectively generating clean, renewable electricity at a lower cost than all competing systems. These article major points determined by the authors are: calculation of the forces which influence the balloon, calculation the influence of the balloon on the ship transverse and longitudinal stability, calculation of the ship new displacement, new draft, new GM and period of rolling. As a conclusion of the article, the reader will discover that the transverse stability of the ship will insignificant decreased with a small value of 0.01 and the longitudinal stability will be improved by 0.7532. The article demonstrates that a Flettner balloon, installed on a container ship, is a possible concept of capturing wind energy.

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Research on Choosing the Best Gas for the Flettner Balloon, an Unconventional Power Generator Energy Device

Vasilescu¹,

Epikhin

2023

Operation of Maritime Transport

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In the last 30 years, the degree of pollution has been continuously increasing and the chemical structure of the atmosphere has changed due to large amounts of polluting emissions such as N0X, S0X, C02 and other particles resulting from combustion, which lead to the destruction of the ozone layer, climate change, greenhouse effect or acid rain. Because the price of oil is continuously increasing, the atmosphere is degrading due to emissions of exhaust gases and the general degree o f pollution of the Earth is increasing day by day, various solutions for the generation of non-conventional energies have begun to arouse the interest of parties involved in maritime transport. Non-conventional propulsion systems, which use wind energy or solar energy, are currently making a comeback after being ignored for a long time. By using an unconventional power generator energy devices, like Flettner Balloon, ship owners can save a great amount of fuel, thus making substantial savings and not least, reducing pollution, making environmentally friendly ships. In this article you can discover six major points, which are: 1) Flettner Balloon description, 2) Flettner Balloon components, 3) Determination of the gas with which to fill the Flettner Balloon, 4) The principle of operation for the Flattner Balloon, 5) Energy balance, 6) Conclusions.

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Choose the best electricity sources for a container ship by using a hybrid optimization model for electric renewable

Cited by 4 publications

References 0 publications

The Effect of Use of Unconventional Power Generation Systems on the Safety of Navigation

The Effect of Use of Unconventional Power Generation Systems on the Safety of Navigation

Influence of Flettner balloon, used as wind energy capturing system, on container ship stability

Research on Choosing the Best Gas for the Flettner Balloon, an Unconventional Power Generator Energy Device

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