On the wave energy potential along the eastern Baltic Sea coast

Soomere, Tarmo; Eelsalu, Maris

doi:10.1016/j.renene.2014.05.025

Cited by 43 publications

(35 citation statements)

References 39 publications

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“…It is already known, that the average wave power flux in the Baltic Sea can reach 4-5 kW/m [64]. In the coastal "hot spots" areas average wave power flux can reach 2.55 kW/m at non-sheltered condition such as island of Saaremaa [66] and approximately 1.6 kW/m in sheltered conditions such as Bay of Gdansk [76]. In the Lithuanian coast of the Baltic Sea the average wave power flux can reach 1-2 kW/m [37,66], therefore it can be further assessed as possible location for electricity generation from waves.…”

Section: Discussionmentioning

confidence: 99%

“…Interestingly, the resource is confined to the southeastern region of the Baltic Sea, where the Lithuanian coast is located ( Figure 1a). Swedish scientists estimated that the average wave power flux in the whole Baltic Sea can reach 4-5 kW/m [65], whereas at the near-shore area along the Lithuanian coast, the multi-year average wave power potential reaches 1-2 kW/m [37,66]. The assessment of the temporal distribution of the Baltic Sea near-shore wave power resources along the Lithuanian coast was published in reference [37].…”

Section: Lithuaniamentioning

confidence: 99%

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Spatial Distribution of the Baltic Sea Near-Shore Wave Power Potential along the Coast of Klaipėda, Lithuania

et al. 2017

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Abstract:Wave power is an abundant source of energy that can be utilized to produce electricity. Therefore, assessments of wave power resources are being carried out worldwide. An overview of the recent assessments is presented in this paper, revealing the global distribution of these resources. Additionally, a study, which aims to assess the spatial distribution of the Baltic Sea near-shore wave power potential along the coast of Klaipėda (Lithuania), is introduced in this paper. The impacts of the wave propagation direction and decreasing depth on wave power resources were examined using the numerical wind-wave model MIKE 21 NSW. The wave height loss of the design waves propagating to shore was modelled, and the wave power fluxes in the studied depths were calculated using the JONSWAP wave spectrum modified for the Baltic Sea. The results revealed that all waves that propagate to the shore in the Baltic Sea near-shore area along the coast of Klaipėda from 30 m depth to 5 m depth lose at least 30% of their power. Still, most common waves in this area are low, and therefore, they start to lose their power while propagating to the shore at relatively low (10-14 m) depths. To turn this into an advantage the wave power converter would have to work efficiently under low power conditions.

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Section: Discussionmentioning

confidence: 99%

Section: Lithuaniamentioning

confidence: 99%

Spatial Distribution of the Baltic Sea Near-Shore Wave Power Potential along the Coast of Klaipėda, Lithuania

et al. 2017

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“…The following method: a defined wave receiver line is drawn in the sea (a straight line segment or several segments at shallow angles) [10], and the entire energy flow calculated through a vertical plane passing through the line receivers in one direction. Each wave direction energy flow and the direction of wave energy during the distance unit would fall cos θ times, where θ -the angle at which the wave front forms with the defined receiver line.…”

Section: Methods Of Calculation Chosenmentioning

confidence: 99%

“…3; 7. Most of the waves will not be longer than 70 m. This means that the minimum depth is 17.5m, as up to 95 % of the wave energy is dispersed in the layer between the water surface and depth equal to a quarter of the wave length [9], [10]. It is possible to indirectly determine statistical data of wave parameters in areas such as the Baltic Sea EEZ Latvian west coast, where measurements have not been made in sufficient quantity and quality to allow for the assessment of the energy potential of the region.…”

Section: Description Of the First Data Used In Calculationsmentioning

confidence: 99%

“…They are received by using a special modelling program, processing satellite data on wind direction and speed as well as satellite data on wave height. Since we do not have local technical resources, which provide the data for the spectrum parameter adjustment, we will use wave energy density spectrum characteristic parameters [10]. They are H s (swh), T z and MWD data collected over the previous five years (2010)(2011)(2012)(2013)(2014).…”

Section: Description Of the First Data Used In Calculationsmentioning

confidence: 99%

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Wave Energy Potential in the Latvian EEZ

Berins

Kalnacs

Kalnačs

2016

Latvian Journal of Physics and Technical Sciences

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). We have also considered wave energy potential in the Gulf of Riga. The conclusions have been drawn on the recommended methodology for the sea wave potential and power calculations for wave-power plant predesign stage.Keywords: Latvian EEZ, renewable energy, sea wave potential, wave energy, wave energy distribution of time wave energy directional distribution. INTRODUCTIONUp till now, sea waves are an untapped source of energy in Latvia. Wave energy is a renewable resource, which is increasingly used worldwide. Its volume can be estimated between 80,000TWh and 8,000TWh [1]. Several authors believe that wave energy could also become one of the most promising energy sources for electricity generation in our country [2], [3]. For wave energy to be captured and transformed, wave power stations are required. Technical solutions that determine whether they will be profitable are dependent on specific local conditions. To find them, an objective assessment of wave energy potential is required. The following factors are essential for this assessment:1. The potential amount of energy; 2. Wave expansion in different directions; 3. Wave energy variability over time.Unauthenticated Download Date | 5/11/18 7:17 AM

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