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2 TransNav : International Journal on Marine Navigation and Safety of Sea Transportation

2 2025

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Experimental Research for Metocean Data and Risks in the Vicinity of Platforms in the Black Sea

Voicu Ionut, Panaitescu Mariana, Panaitescu Fanel-Viorel, Vasilica Florentina Aurelia

TransNav : International Journal on Marine Navigation and Safety of Sea Transportation

2025

Vol. 19 No. 1

235--240

The knowledge of the metocean data is important for the design and construction of different equipment in offshore area. The paper presents an analysis of environmental factors in different conditions in the location of study, GALATA platform, Bulgaria. The results of the analysis (wind statistics, wind distribution rose, wind speed extreme, monthly mean vertical profile of wind speed) cover the period 2008-2023. To analyse correct design of floating wind turbines must establish wind speed extreme. The data sets obtained were validated using the CFS3D wind database. To study the risks in vicinity of platforms we used tools of NEAT+ software which provides the opportunity to make informed decisions and implement appropriate preventive and corrective measures to protect the environment. The results of the experimental research indicate a favourable general state of the environment in the Black Sea vicinity of platforms area.

Energy Production and Economic Impact in the Black Sea Blue Economy

Panaitescu Fanel-Viorel, Panaitescu Mariana, Voicu Ionut, Nedkova Sabina, Vasilica Florentina Aurelia

TransNav : International Journal on Marine Navigation and Safety of Sea Transportation

2025

Vol. 19 No. 2

659--666

The generation of energy production obtained with the help of renewable resources contributes to the reduction of carbon emissions and to the consolidation of energy security in the area, as well as to the development of the necessary infrastructure for socio-economic development in the coastal and offshore area. The objectives of paper are specific to a certain location in the Black Sea, namely: obtaining wind energy production using an efficient design of a pilot floating system, using a wind dataset for optimized design floating system, calculation of the levelized cost of electricity for wind energy (LCOE) and impact with market value of wind energy production in the Black Sea Blue economy. The methods used are: the Froude scaling methodology was used for design of pilot floating system, metocean analytics for obtained metocean data (wind, waves, currents), monitoring the state of pilot floating system components using Digital Twin Technology (DT), economic modeling of technology-specific LCOE of renewable technologies (Specific Investment Cost-CAPEX, Operating Cost-OPEX) in comparison with respect to the current level of LCOE at local conditions in the Black Sea and PESTEL analysis (Political, Economic, Social, Technological, Environmental and Legal impact).The final data obtained for the achievement of the proposed objectives are results obtained during the implementation of the BLOW project: an optimized design for the study location with reduced costs for operation and maintenance, optimized parameters using metocean data, societal, environmental and economic impact assessment with barriers and obstacles. The conclusion is that globally, the development of a floating offshore wind energy market is emerging rapidly as experience and knowledge is gained from pilot projects.