Rok 2017

• Capillary pumped loop as a tool for collecting large heat fluxes from electronic devices on warships

  Publikacja

  • D. Mikielewicz
  • P. Szymański

  - Polish Maritime Research - Rok 2017

  The combat potential of future warships will be directly related to the use of modern electronic devices being parts of advanced systems, such as, for instance, radar systems, fire aiming systems, fire detection systems, electric drive systems, and even electronic and radio-electronic weaponry, railguns and lasers, installed on these warships. The capacity and functionality of these devices is continually increasing, at decreasing...

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• Calculation method for flow boiling and flow condensation of R134a and R1234yf in conventional and small diameter channels

  Publikacja

  • D. Mikielewicz
  • B. Jakubowska

  - Polish Maritime Research - Rok 2017

  The paper presents the results of calculations performed using the authors’ model to predict the heat transfer coefficient during flow boiling for two refrigerants R134a and R1234yf. The experimental data from various past studies have been collected and the calculations have been conducted for the full range of quality variation and a wide range of mass velocity. The aim of the study was to test the sensitivity of the in-house...

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• Bearing estimation using double frequency reassignment for a linear passive array

  Publikacja

  • K. Czarnecki
  • W. Leśniak

  - Polish Maritime Research - Rok 2017

  The paper demonstrates the use of frequency reassignment for bearing estimation. For this task, signals derived from a linear equispaced passive array are used. The presented method makes use of Fourier transformation based spatial spectrum estimation. It is further developed through the application of two-dimensional reassignment, which leads to obtaining highly concentrated energy distributions in the joint frequency-angle domain...

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• Analysis of catalitic reactors usefulness to reduce pollution generated by piston combustion engines with regard to ship main engines

  Publikacja

  • J. Girtler
  • E. Zielińska

  - Polish Maritime Research - Rok 2017

  The article presents results which indicate that the use of catalytic reactors to reduce emissions of harmful compunds contained in the exhaust gas is important in the operation of vehicle motors operation. Efforts of the shipbuilding industry to reduce the toxicity of exhaust gas emitted by the main engines have been indicated and pointed to the desirability of the use of these catalysts in maritime transport. It has been pointed...

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• Acoustic imaging of selected areas of Gdansk Bay with the aid of parametric echosounder and side-scan sonar

  Publikacja

  • G. Grelowska
  • E. Kozaczka
  • W. Szymczak

  - Polish Maritime Research - Rok 2017

  The article presents and analyses the data recorded during sounding of the Gdansk Bay seabed with the aid of a parametric echosounder and a side-scan sonar. The accuracy of seabed structure examination, as a condition for obtaining valuable results, requires correct configuration of echolocation devices and proper calibration of peripheral devices, such as the survey unit geographical position sensor – GPS, the navigation unit,...

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Rok 2013

• Calculations of labyrinth seals with and without diagnostic extraction in fluid-flow machines

  Publikacja

  • P. B. Kaszowski
  • M. Dzida
  • P. Krzyślak

  - Polish Maritime Research - Rok 2013

  Labyrinth seals are essential components of steam turbine unit constructions. Two types of labyrinth seals can be named, the first of which is the seal without diagnostic steam extraction, and the second – with extraction. The distribution of flow parameters along the packing is affected remarkably by the average seal clearance. The presence of diagnostic extraction leads to the equation system which is determinable and can be...

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• Application of Shape From Shading Technique for Side Scan Sonar Images

  Publikacja

  • K. Bikonis
  • M. Moszyński
  • Z. Łubniewski

  - Polish Maritime Research - Rok 2013

  Side scan sonar (SSS) is one of the most widely used imaging systems in the underwater environment. It is relatively cheap and easy to deploy in comparison with more powerful sensors like multibeam echosounder or synthetic aperture sonar. Although, the SSS does not provide directly the seafloor bathymetry measurements. Its outputs are usually in a form of grey level acoustic images of seafloor. However, the analysis of such images...

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• Analysing the potential for application of the phase shift method in endoscopic examination of marine engines

  Publikacja

  • Z. Korczewski

  - Polish Maritime Research - Rok 2013

  The article presents theoretical principles of image processing in digital endoscopy which makes use of a miniaturised spectral scanner “PhaseProbe” designed by General Inspection Technologies LP, the producer of the measuring videoendoscope Everest XLG3. The technology of optoelectronic 3D mapping of the examined surface, which consists in measuring the phase shift between the emitted and reflected light waves, is briefly described....

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Rok 2009

• Calculation of motion trajectory and geometric parameters of the trawl during pelagic fishing

  Publikacja

  • C. Dymarski
  • J. Nakielski

  - Polish Maritime Research - Rok 2009

  This paper presents a mathematical model of the mass centre motion trajectory of the trawl, its main geometrical parameters, way of solving the model as well as its example results. It could be useful to define optimum parameters of safe, effective and environmentally friendly pelagic fishing.

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• ANN based evaluation of the NOx concentration in the exhaust gas of a marine two-stroke diesel engine

  Publikacja

  • J. Kowalski

  - Polish Maritime Research - Rok 2009

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• Analysis of application of feed-water injector heaters to steam power plants

  Publikacja

  • J. Głuch
  • M. Trela
  • R. Kwidziński
  • D. Butrymowicz

  - Polish Maritime Research - Rok 2009

  Strumienice parowo-wodne to urządzenia, w których zachodzi wymiana masy, pędu i energii między dwoma płynami, pozostającymi w bezpośrednim kontakcie. Mogą one pracować jako pompy, mieszalniki bądź bezprzeponowe wymienniki ciepła. W tym ostatnim aspekcie są one bardzo interesujące do użycia jako regeneracyjne podgrzewacze wody w obiegu cieplnym Rankina stosowanym w siłowniach parowych na lądzie oraz na morzu (statki i okręty). W...

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• An Experimental and Numerical Study of the Vortces Generated by Hydrofoils

  Publikacja

  • J. Szantyr
  • R. Biernacki
  • P. Flaszyński
  • P. Dymarski
  • M. Kraskowski

  - Polish Maritime Research - Rok 2009

  Artykuł przedstawia wyniki projektu badawczego poświęconego wirom generowanym przez płaty nośne. W części eksperymentalnej wykonano anemometrem laserowym pomiary pól prędkości w poprzecznych przekrojach wirów. W częsci numerycznej przeprowadzono obliczenia używając różnych struktur siatki obliczeniowej i różnych modeli turbulencji. Na podstawie porównania wybrano model turbulencji i strukturę siatki najlepiej odzwieciedlające pole...

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Rok 2019

• Blade Section Prpfile Array Lifting Surface Design Method for Marine Screw Propeller Blade

  Publikacja

  • P. Król

  - Polish Maritime Research - Rok 2019

  The lifting surface model is widely used in screw propeller design and analysis applications. It serves as a reliable tool for determination of the propeller blade mean line and pitch distribution. The main idea of this application was to determine the blade shape that would satisfy the kinematic boundary condition on its surface with the prescribed bound circulation distribution over it. In this paper a simplified lifting surface...

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• AUTONOMOUS PLATFORM TO PROTECT MARITIME INFRASTRUCTURE FACILITIES

  Publikacja

  • E. Kozaczka
  • G. Grelowska

  - Polish Maritime Research - Rok 2019

  Problems regarding the security of maritime infrastructure, especially harbours and offshore infrastructure, are currently a very hot topic. Due to these problems, there are some research projects in which the main goal is to decrease the gap and improve the methods of observation in the chosen area, for both in-air and underwater areas. The main goal of the paper is to show a new complex system for improving the security of the...

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• Application of Thermo-chemical Technologies for Conversion of Associated Gas in Diesel-Gas Turbine Installations for Oil and Gas Floating Units

  Publikacja

  • O. Cherednichenko
  • S. Serbin
  • M. Dzida

  - Polish Maritime Research - Rok 2019

  The paper considers the issue of thermo-chemical recovery of engine’s waste heat and its further use for steam conversion of the associated gas for oil and gas floating units. The characteristics of the associated gas are presented, and problems of its application in dual-fuel medium-speed internal combustion engines are discussed. Various variants of combined diesel-gas turbine power plant with thermo-chemical heat recovery are...

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• Application of the Optimization Methods to the Search of Marine Propulsion Shafting Global Equilibrium in Running Condition

  Publikacja

  • A. Ursolov
  • Y. Batrak
  • W. Tarełko

  - Polish Maritime Research - Rok 2019

  Full film hydrodynamic lubrication of marine propulsion shafting journal bearings in running condition is discussed. Considerable computational difficulties in non-linear determining the quasi-static equilibrium of the shafting are highlighted. The approach using two optimization methods (the particle swarm method and the interior point method) in combination with the specially developed relaxation technique is proposed to overcome...

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• Application of Reverse Engineering Technology in Part Design for Shipbuilding Industry

  Publikacja

  • M. Deja
  • M. Dobrzyński
  • M. Rymkiewicz

  - Polish Maritime Research - Rok 2019

  In the shipbuilding industry, it is difficult to create CAD models of existing or prototype parts, especially with many freeform surfaces. The paper presents the creation of the CAD 3D model of a shipbuilding component with the application of the reverse engineering technology. Based on the data obtained from the digitization process, the component is reconstructed in point cloud processing programs and the CAD model is created....

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• APPLICABILITY OF INLET AIR FOGGING TO MARINE GAS TURBINE

  Publikacja

  • Z. Domachowski
  • M. Dzida

  - Polish Maritime Research - Rok 2019

  The dependency of marine gas turbine on the ambient temperature leads to a decrease of the gas turbine power output in arid areas. Very often gas turbine power output demand is high and the power margins originally designed into the driver , has been exhausted. In such circumstances the inlet air fogging is an effective compensation of gas turbine power. In this paper an analysis of inlet air fogging applicability to marine gas...

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• ANALYSIS OF THE PROJECT OF INNOVATIVE FLOATING TURBINE

  Publikacja

  • A. Tomporowski
  • A. Al - Zubiedy
  • J. Flizikowski
  • W. Kruszelnicka
  • P. Bałdowska-Witos
  • J. Rudnicki

  - Polish Maritime Research - Rok 2019

  The design of a floating, innovative device for river water aeration and conversion of mechanical energy to electrical energy required the analysis of a number of geometrical and dynamic features. Such an analysis may be carried out on the basis of existing methods of numerical fluid mechanics. Models of pressures, forces and torques characteristic for the conversion of watercourse energy were developed for two basic concepts of...

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• ANALYSIS OF IMPACT of SHIP model parameters on changes of control quality index in ship dynamic positioning system

  Publikacja

  • T. Niksa-Rynkiewicz
  • A. Witkowska

  - Polish Maritime Research - Rok 2019

  In this work there is presented an analysis of impact of ship model parameters on changes of control quality index in a ship dynamic positioning system designed with the use of a backstepping adaptive controller. Assessment of the impact of ship model parameters was performed on the basis of Pareto-Lorentz curves and ABC method in order to determine sets of the parameters which have either crucial, moderate or low impact on objective...

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Rok 2014

• Bead-on-plate welding on S235JR steel by underwater local dry chamber process

  Publikacja

  • G. Rogalski
  • J. Łabanowski
  • D. Fydrych
  • J. Tomków

  - Polish Maritime Research - Rok 2014

  The article presents the results of the effect of parameters of underwater local dry chamber welding on the properties of padding welds. The effect of heat input and the type of shielding gas on the structure and hardness of welds was established. the functions for estimating the maximum hardness of the heat affected zone have been also elaborated.

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• Balancing energy processes in turbine engines

  Publikacja

  • W. Balicki
  • P. Głowacki
  • S. Szczeciński
  • Z. Korczewski
  • A. Kozakiewicz
  • J. Szczeciński

  - Polish Maritime Research - Rok 2014

  The article discusses the issue of balancing energy processes in turbine engines in operation in aeronautic and PDULQHSURSXOVLRQV\VWHPVZLWKWKHDLPWRDQDO\VHDQGHYDOXDWH EDVLFRSHUDWLQJSDUDPHWHUV7KH¿UVWSDUWSUHVHQWV the problem of enormous amounts of energy needed for driving fans and compressors of the largest contemporary turbofan engines commonly used in long-distance aviation. The amounts of the transmitted power and the effect RIÀRZSDUDPHWHUVDQGFRQVWUXFWLRQDOSURSHUWLHVRIWKHHQJLQHV RQWKHLUSHUIRUPDQFHDQGUHDOHI¿FLHQF\DUH evaluated....

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• Application of theory of semi-Markov processes to determining distribution of probabilistic process of marine accidents resulting from colission of ships

  Publikacja

  • J. Girtler

  - Polish Maritime Research - Rok 2014

  In this paper is presented possible application of the theory of semi-Markov processes to elaborating an eight-state model of the process of occurrence of serviceability state and unserviceability states of sea-going ships making critical manoeuvres during their entering and leaving the ports. In the analysis it was taken into account that sea-going ships are in service for a very long time t (t → ∞). The model was elaborated to...

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Rok 2022

• Autonomous Control of the Underwater Remotely Operated Vehicle in Collision Situation with Stationary Obstacle

  Publikacja

  • R. Śmierzchalski
  • M. Kapczyński

  - Polish Maritime Research - Rok 2022

  The article considers the problem of autonomous control of the underwater remotely operated vehicle mini Remotely Operated Vehicle (ROV) in a collision situation with a stationary obstacle. The control of the collision avoidance process is presented as a synthesis of fuzzy proportional-differential controllers for the control of distance and orientation concerning the detected stationary obstacle. The control of the submergence...

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• Application of the corrosion tester in corrosion tests using the acoustic emission method.

  Publikacja

  • K. Emilianowicz
  • M. Supernak
  • A. Ossowska

  - Polish Maritime Research - Rok 2022

  The article presents an innovative method of corrosion tests using the acoustic emission method and the corrosion tester. The problem of corrosion occurring in ballast tanks and tanks carrying petroleum products is discussed. The acoustic method is presented which, due to the use of a unique corrosion tester, is used to monitor the course of corrosion processes in steel. The principle of operation of the corrosion tester, its construction...

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• Analysis of the Hydrodynamic Properties of the 3-Column Spar Platform for Offshore Wind Turbines

  Publikacja

  • E. Ciba
  • P. Dymarski
  • M. Grygorowicz

  - Polish Maritime Research - Rok 2022

  The article presents a design of a floating platform for offshore wind turbines. The concept is a modification of the Spar design and consists of three variable section columns connected to each other by a ballast tank in the lower part of the platform. This solution makes it possible to influence the position of the centre of buoyancy and the centre of mass of the structure. Compared to the classic Spar platform structure, the...

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• An innovative method of measuring the extension of the piston rod in hydraulic cylinders, especially large ones used in the shipbuilding and offshore industry

  Publikacja

  • C. Dymarski
  • P. Dymarski
  • P. Grymajło

  - Polish Maritime Research - Rok 2022

  The article presents the results of selected works related to the wider subject of research conducted at the Faculty of Mechanical Engineering and Shipbuilding at the Gdańsk University of Technology, regarding designing various on board devices with hydraulic drive for ships and other offshore facilities. One of the commonly used these mechanisms are hydraulic actuators with the measurement of the piston rod extension. The issue...

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Rok 2018

• Automatic Watercraft Recognition and Identification on Water Areas Covered by Video Monitoring as Extension for Sea and River Traffic Supervision Systems

  Publikacja

  • N. Wawrzyniak
  • A. Stateczny

  - Polish Maritime Research - Rok 2018

  The article presents the watercraft recognition and identification system as an extension for the presently used visual water area monitoring systems, such as VTS (Vessel Traffic Service) or RIS (River Information Service). The watercraft identification systems (AIS - Automatic Identification Systems) which are presently used in both sea and inland navigation require purchase and installation of relatively expensive transceivers...

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• APPLICATION OF VORTEX FLOW MODEL IN PROPELLER-STATOR SYSTEM DESIGN AND ANALYSIS

  Publikacja

  • P. Król
  • T. Bugalski

  - Polish Maritime Research - Rok 2018

  The paper covers basics of the vortex model used for propeller-stator systems. The outline of the design algorithm is given and the results of its application are shown. The designed propeller-stator system was the subject of model tests run at the CTO model basin and cavitation tunnel. Stator’s influence on the delivered power required by the propeller and its revolution rate has been examined by conducting self-propulsion...

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• Application of Rapid Prototyping technology in the manufacturing of turbine blade with small diameter holes

  Publikacja

  • M. Deja
  • M. Dobrzyński
  • P. Flaszyński
  • J. Haras
  • D. Zieliński

  - Polish Maritime Research - Rok 2018

  The article presents the possibilities of using Rapid Prototyping (RP) technology in the manufacturing of turbine blades with small diameter holes. The object under investigation was gas turbine blade with small diameter cooling holes and holes for generating longitudinal vortices. A turbine blade model was produced by means of Direct Metal Laser Sintering (DMLS) technology and subsequently validated in terms of detection and accuracy...

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Rok 2012

• Assessment of possible application of water lubricated sintered brass slide bearing for marine propeller shaft

  Publikacja

  • W. Litwin
  • A. Olszewski

  - Polish Maritime Research - Rok 2012

  W artykule przedstawiono wyniki badań eksperymentalnych smarowanego wodą łożyska poprzecznego z panwią wykonaną ze spieku brązu.Przedstawiono wyniki pomiarów rozkładu ciśnienia w filmie smarnym, trajektorie osi wału oraz oporów ruchu.Przeprowadzono ocenę przydatności tego typu łożyska do łożyskowania okrętowych wałów śrubowych.

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• An integrated hydraulic drive system of a novel device for launching lifeboats from large passenger ship

  Publikacja

  • C. Dymarski

  - Polish Maritime Research - Rok 2012

  Artykuł przedstawia zintegrowany układ napędu i sterowania hydraulicznego systemu ewakuacyjnego składającego się z wyciągu łańcuchowego z zamocowanymi na nim łodziami ratunkowymi oraz furto-rampy rufowej. Zastosowana tu furto-rampa z elementem wypornościowym umożliwia zwiększenie jej funkcji do samoczynnego dostosowania kąta jej wychylenia roboczego w przypadku znacznego przegłębienia statku na dziób. Przedstawiony układ hydrauliczny...

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Rok 2021

• ASSESSING THE POTENTIAL REPLACEMENT OF MINERAL OIL WITH ENVIRONMENTALLY ACCEPTABLE LUBRICANTS IN A STERN TUBE BEARING: AN EXPERIMENTAL ANALYSIS OF BEARING PERFORMANCE

  Publikacja

  • J. Kowalski
  • W. Leśniewski
  • D. Piątek
  • D. Cuper-Przybylska

  - Polish Maritime Research - Rok 2021

  T his study compares the performance of a plain bearing, with a similar structure to a tail shaft stern bearing, lubricated with either mineral oil or an environmentally acceptable lubricant (EAL). The main characteristic of the bearing is its length/diameter ratio of <1. Measurements are carried out with the bearing operating under loads from 0.5 to 1 MPa and seven speeds ranging from 1 to 11 rev/s. The bearing lubricated...

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Rok 2020

• Application of the Chimney Cap as a Method of Improving the Effectiveness of Natural Ventilation in Buildings

  Publikacja

  • R. Antczak-Jarząbska
  • M. Niedostatkiewicz

  - Polish Maritime Research - Rok 2020

  Adequately designed natural ventilation is the cheapest and easiest way to effectively remove indoor pollutants and keep the air inside a building fresh. A prediction of the performance and effectiveness of ventilation in order to determine the design of a ventilation system can provide real and long-term cost savings. The worst time in terms of the efficiency of natural ventilation is the spring-autumn transition period [7]. In...

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• Application of Stirling Engine Type Alpha Powered by the Recovery Energy on Vessels

  Publikacja

  • J. Kropiwnicki

  - Polish Maritime Research - Rok 2020

  The Stirling engine is a device, in which thermal energy is transformed into mechanical without a contact between the heat carrier, and the working gas closed in the engine. Mentioned feature makes this type of engine very attractive for the use of the recovery energy, taken from other heat devices. One of the potential applications of Stirling engines is the use of thermal energy generated in the ship's engine room for producing...

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• Application of Shape Memory Alloys in Pipeline Couplings for Shipbuilding

  Publikacja

  • L. Matuszewski

  - Polish Maritime Research - Rok 2020

  The aim of the study is to analyse shape memory alloy (SMA) pipeline joints in limited space applications for all kinds of ships. Generally, the space available in various areas on ships is strictly limited and service works usually meet many obstacles. If we consider a pipeline, the flange joints always require a larger free space around the pipe than the pipe alone. A simultaneous problem can occur with the propeller shaft line...

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• APPLICATION OF APRIORI ALGORITHM IN THE LAMINATION PROCESS IN YACHT PRODUCTION

  Publikacja

  • T. Niksa-Rynkiewicz
  • M. Landowski
  • P. Szalewski

  - Polish Maritime Research - Rok 2020

  The article specifies the dependence of defects occurring in the lamination process in the production of yachts. Despite great knowledge about their genesis, they cannot be completely eliminated. Authentic data obtained through cooperation with one of the Polish yacht shipyards during the years 2013–2017 were used for the analysis. To perform a simulation, the sample size was observed in 1450 samples, consisting of 6 models of...

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• Analysis of ultimate compressive strength of cracked plates with the use of DOE techniques

  Publikacja

  • K. Wołoszyk
  • Y. Garbatov

  - Polish Maritime Research - Rok 2020

  The objective of this work is to investigate the structural compressive response of plates with locked cracks accounting for all relevant factors and correlation between them. The nonlinear FE model considering both geometric and material nonlinearities is employed herein, and the FE model of the structural response of intact plates is validated with the available experimental data. In the common studies, based on One Factor at...

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Rok 2015

• Application Isssues of the Semi-Markov Reliability Model

  Publikacja

  • J. Rudnicki

  - Polish Maritime Research - Rok 2015

  Predicting the reliability of marine internal combustion engines, for instance, is of particular importance, as it makes it possible to predict their future reliability states based on the information on the past states. Correct reliability prediction is a complex process which consists in processing empirical results obtained from operating practice, complemented by analytical considerations. The process of technical state changes...

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• An Experimental Study of Emission and Combustion Characteristics of Marine Diesel Engine in Case of Cylinder Valves Leakage

  Publikacja

  • J. Kowalski

  - Polish Maritime Research - Rok 2015

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Rok 2006

• Anchoring and mooring equipment for a two-segment inland waterways ship

  Publikacja

  • C. Dymarski
  • J. Nakielski

  - Polish Maritime Research - Rok 2006

  W artykule dokonano przeglądu i analizy wyposażenia kotwiczno-cumowniczego współczesnych statków śródlądowych. Przedstawiono także propozycję takiego wyposażenia dla segmentowego statku pasażerskiego wraz z doborem i rozmieszczeniem na pokładzie poszczególnych urządzeń.

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Rok 2023

• Analysis of the Environmental Impact of the Hull Construction of a Small Vessel Based on LCA

  Publikacja

  • J. Nakielski

  - Polish Maritime Research - Rok 2023

  In recent years, issues related to the impact of human activity on the natural environment have become pressing, and the challenge of global warming necessitates immediate action. To support environmental protection efforts, it has become imperative to adopt a broader perspective when evaluating various products and systems. A valuable tool for such assessments is a life cycle assessment (LCA), which enables a comprehensive analysis...

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Rok 2016

• Analysis of possible application of high-temperature nuclear reactors to contemporary large-output steam power plants on ships

  Publikacja

  • T. Kowalczyk
  • J. Głuch
  • P. Ziółkowski

  - Polish Maritime Research - Rok 2016

  This paper is aimed at analysis of possible application of helium to cooling high-temperature nuclear reactor to be used for generating steam in contemporary ship steam-turbine power plants of a large output with taking into account in particular variable operational parameters. In the first part of the paper types of contemporary ship power plants are presented. Features of today applied PWR reactors and proposed HTR reactors...

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• An Experimental Study of Emission and Combustion Characteristics of Marine Diesel Engine with Fuel Injector Malfunctions

  Publikacja

  • J. Kowalski

  - Polish Maritime Research - Rok 2016

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Rok 2011

• An Experimental and Numerical Study of Tip Vortex Cavitation

  Publikacja

  • J. Szantyr
  • P. Flaszyński
  • K. Tesch
  • W. Suchecki
  • S. Alabrudziński

  - Polish Maritime Research - Rok 2011

  Artykuł przedstawia eksperymentalne i numeryczne badanie kawitujacych wirów wierzchołkowych. Eksperymenty przeprowadzono w tunelu kawitacyjnym na modelu płata nośnego, wykonując pomiary pola prędkości wokół wiru przy pomocy metody Particle Image Velocimetry (PIV). Równolegle przeprowadzono numeryczne symulacje kawitującego wiru wierzchołkowego dla różnych parametrów przepływu. Symulacje wykonano programami Fluent i CFX, stosując...

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Rok 2007

• An electric ring thruster as auxiliary manoeuvring propulsion system for watercraft - construction analysis

  Publikacja

  • L. Matuszewski
  • K. Falkowski

  - Polish Maritime Research - Rok 2007

  The reported project aimed at examining properties and purposefulness of use of modern electromagneticbearings for a screw propeller in a prototype version of a synchronous ring motor with rare earths magnets.Bearings of this type generate electromagnetic forces which keep the rotor in a state of levitation. Therotating machine with magnetic bearings can work in any environment which reveals diamagnetic properties(air, vacuum,...

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Rok 2008

• Algorithm for searching out similar ships within expert system of computer aided preliminary design of ship power plant

  Publikacja

  • M. Meler-Kapcia

  - Polish Maritime Research - Rok 2008

  W pracy zaprezentowano algorytm wyszukiwania statków podobnych zaimplementowany w hybrydowym systemie wspomagania projektowania wstępnego siłowni okrętowej na podstawie nowych funkcji podobieństwa oraz zaadaptowanych z literatury. Do wyszukiwania statków podobnych została zastosowana metoda optymalizacji wielokryterialnej ważonych zysków.

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• Advanced coating of Tank Interior as means of Rising Environmental Safety of Tankers/RIM technology

  Publikacja

  • J. Datta
  • J. Haponiuk

  - Polish Maritime Research - Rok 2008

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• Advanced coating of interior of tanks for rising environmental safety of tankers - novel applications of polyurethanes

  Publikacja

  • J. Datta
  • J. Haponiuk

  - Polish Maritime Research - Rok 2008

  Opisano technologię nanoszenia ciekłego systemu poliuretanowego na niewygrzewane elementy stalowe i stalowo-betonowe oraz sposób łączenia powłoki poliuretanowej z wymienionymi materiałami, a także między sobą przy użyciu odpowiednich środków adhezyjnych. Scharakteryzowano metodę utylizacji i odzysku polioli z zużytych w badaniach powłok poliuretanowych w recyklingu surowcowym poprzez zastosowanie małoczšsteczkowych glikoli jako...

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• Advanced coating of interior of tanks for rising environmental safety - novel applications of polyurethanes

  Publikacja

  • J. Datta
  • J. Haponiuk

  - Polish Maritime Research - Rok 2008

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