Karol Niklas
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View article: Conceptual design of shore station for an innovative waste collecting vessel
Conceptual design of shore station for an innovative waste collecting vessel Open
Marine environment protection legislation in the EU requires ships to return waste they generate on voyages to waste-reception facilities in ports. In many harbors there is a need to expand the port infrastructure to enable the operation o…
View article: Impact of steel grade on a ship colliding with an offshore wind turbine monopile supporting structure
Impact of steel grade on a ship colliding with an offshore wind turbine monopile supporting structure Open
Offshore wind power is experiencing rapid development around the world. The number of installations and their size is growing. Thousands of monopile support structures with diameters of 10 m and weights of 2000 tons will be installed in th…
View article: The retrofitting of ships by applying retractable bow hydrofoils: a case study
The retrofitting of ships by applying retractable bow hydrofoils: a case study Open
Increasing environmental requirements and a relatively long ship life of 30 years mean more attention is needed to retrofit existing ships. One possibility is using hydrofoils to reduce the ship’s resistance and improve comfort and safety …
View article: The Influence of Selected Strain-Based Failure Criteria on Ship Structure Damage Resulting from a Collision with an Offshore Wind Turbine Monopile
The Influence of Selected Strain-Based Failure Criteria on Ship Structure Damage Resulting from a Collision with an Offshore Wind Turbine Monopile Open
Offshore wind farms are developing well all over the world, providing green energy from renewable sources. The evaluation of possible consequences of a collision involves Finite Element computer simulations. The goal of this paper was to a…
View article: Determination of Seakeeping Performance for a Case Study Vessel by the Strip Theory Method
Determination of Seakeeping Performance for a Case Study Vessel by the Strip Theory Method Open
The increase of seakeeping performance is of particular importance for car and passenger ferries, service ships in the gas and oil extraction industry and offshore wind power farm industry, as well as for special purpose ships (including m…
View article: Experimental Research on the Energy Efficiency of a Parallel Hybrid Drive for an Inland Ship
Experimental Research on the Energy Efficiency of a Parallel Hybrid Drive for an Inland Ship Open
The growing requirements for limiting the negative impact of all modes of transport on the natural environment mean that clean technologies are becoming more and more important. The global trend of e-mobility also applies to sea and inland…
View article: Prediction of ship resistance with the use of full-scale CFD simulations
Prediction of ship resistance with the use of full-scale CFD simulations Open
In recent years, the IMO has introduced new regulations to reduce the negative impact of ships on the natural environment. A particularly important step forcing technological innovations is the increasing requirement of ship energy efficie…
View article: The Effect of Numerical 2D and 3D Fem Element Modelling on Strain and Stress Distributions at Laser Weld Notches in Steel Sandwich Type Panels
The Effect of Numerical 2D and 3D Fem Element Modelling on Strain and Stress Distributions at Laser Weld Notches in Steel Sandwich Type Panels Open
Like other means of transport, merchant ships face the problem of increasing requirements concerning the environment protection, which, among other issues, implies the reduction of fuel consumption by the ship. Here, the conventional appro…
View article: Experimental research on over-laminated steel sandwich panel connection to determine the form of fatigue failure
Experimental research on over-laminated steel sandwich panel connection to determine the form of fatigue failure Open
The novel means of transport need to meet rising both the economic and ecologic requirements. In recent years the International Maritime Organization (IMO) introduced new measure of ship energy efficiency (the EEDI index), as well as new r…
View article: Strength Analysis of a Large-Size Supporting Structure for an Offshore Wind Turbine
Strength Analysis of a Large-Size Supporting Structure for an Offshore Wind Turbine Open
The offshore wind power industry is the branch of electric energy production from renewable sources which is most intensively developed in EU countries. At present, there is a tendency to install larger-power wind turbines at larger distan…
View article: Comparison of strain results at a laser weld notch obtained by numerical calculations and experimental measurements
Comparison of strain results at a laser weld notch obtained by numerical calculations and experimental measurements Open
In the development of ship structures applying new materials and it's purposeful placement play an important role. During the last years, especially in a construction of ro-ro type vessels, the usage of novel sandwich structures in cargo d…