Search Results - "Litwin, Wojciech"

Human Resource Management Digitalisation in Multidisciplinary Ship Design Companies by Bilon, Piotr, Litwin, Wojciech

“…The digitalisation in the ship design sector is currently applied to the design process itself and is well defined, partially standardised and practically…”
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Energy Demand of Short-Range Inland Ferry with Series Hybrid Propulsion Depending on the Navigation Strategy by Kunicka, Magdalena, Litwin, Wojciech

“…Interest in hybrid propulsion systems that can be used on small vessels has increased significantly in recent years. They can replace inefficient and…”
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Experimental Research on the Energy Efficiency of a Parallel Hybrid Drive for an Inland Ship by Litwin, Wojciech, Leśniewski, Wojciech, Piątek, Daniel, Niklas, Karol

“…The growing requirements for limiting the negative impact of all modes of transport on the natural environment mean that clean technologies are becoming more…”
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Energy Efficient Small Inland Passenger Shuttle Ferry with Hybrid Propulsion - Concept Design, Calculations and Model Tests by Kunicka, Magdalena, Litwin, Wojciech

“…In recent years, there has been a significant development in “green” and energy efficient propulsion systems, which fits into the general trend of…”
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Evaluation of a Small Inland Ferry’s Energy Requirements from the Acceleration Stage of Towing Tank Model Tests by Kunicka, Magdalena, Wrzask, Klaudia, Litwin, Wojciech, Grygorowicz, Mirosław, Zeratgaar, Hamid

“…Computing the power required to meet a ship’s operational needs is one of the most important tasks in naval design. The power required to propel a vessel is…”
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Zero-Emissions, Off-grid, Autonomous Houseboat – a Case Study of Selected Locations in Europe by Gorzka, Jakub, Karczewski, Artur, Litwin, Wojciech, Matej-Łukowicz, Karolina, Nawrot, Nicole, Nyka, Lucyna, Piątek, Łukasz

“…The aim of this study was to assess the feasibility of creating a prototype of a self-sufficient houseboat that is capable of prolonged independence from power…”
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Small Vessel with Inboard Engine Retrofitting Concepts; Real Boat Tests, Laboratory Hybrid Drive Tests and Theoretical Studies by Leśniewski, Wojciech, Piątek, Daniel, Marszałkowski, Konrad, Litwin, Wojciech

“…The development of modern technologies and their increasing availability, as well as the falling costs of highly efficient propulsion systems and power…”
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50’ Sail Catamaran with Hybrid Propulsion, Design, Theoretical and Experimental Studies by Litwin, Wojciech, Piątek, Daniel, Leśniewski, Wojciech, Marszałkowski, Konrad

“…The development of modern lithium batteries and propulsion systems now allows the use of complex propulsion systems for vessels of various sizes. As part of…”
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Selected Problems of Experimental Testing Marine Stern Tube Bearings by Barszczewska, Agnieszka, Piątkowska, Ewa, Litwin, Wojciech

“…This paper presents typical methods for conducting experimental tests on main shaft slide bearings. There are described their possible testing capabilities,…”
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Energy Efficient and Environmentally Friendly Hybrid Conversion of Inland Passenger Vessel by Litwin, Wojciech, Leśniewski, Wojciech, Kowalski, Jakub

“…The development and growing availability of modern technologies, along with more and more severe environment protection standards which frequently take a form…”
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Experimental research on water lubricated three layer sliding bearing with lubrication grooves in the upper part of the bush and its comparison with a rubber bearing by Litwin, Wojciech

“…One of the more interesting, currently available water lubricated bearing materials is a three layer composite. Each of its layers has an important function…”
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Influence of local bush wear on water lubricated sliding bearing load carrying capacity by Litwin, Wojciech

“…One of main problems concerning water-lubricated bearings is their durability. There are known cases of bearings with life time measured in decades, and some,…”
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Design Methodology for Small Passenger Ships On the Example of the Ferryboat Motława 2 Driven by Hybrid Propulsion System by Gełesz, Paweł, Karczewski, Artur, Kozak, Janusz, Litwin, Wojciech, Piątek, Łukasz

“…Dynamic development in practically all fields of science and engineering has not passed over shipbuilding. In last years, engineers got to their use computer…”
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Properties comparison of rubber and three layer PTFE-NBR-bronze water lubricated bearings with lubricating grooves along entire bush circumference based on experimental tests by Litwin, Wojciech

“…Water lubricated bearings have been in industrial use for well over a century. During the last decade their traditional range has been expanded with new,…”
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Marine Propeller Shaft Bearings under Low-Speed Conditions: Water vs. Oil Lubrication by Litwin, Wojciech

“…The bearings used in shipbuilding, hydropower, and water pumps have undergone a metamorphosis in recent decades. Due to environmental regulations, lubrication…”
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Sliding bearings with sintered bronze bush lubricated by contaminated water with solid particles – Theoretical and experimental studies by Litwin, Wojciech, Kropp, Steffen

“…Sliding journal bearings lubricated with water coming directly from the environment are a solution used in shipbuilding, pumps and hydropower. However, the…”
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Selection of Numerical Methods and Their Application to the Thermo-Ecological Life Cycle Cost of Heat Exchanger Components by Czarnowska, Lucyna, Litwin, Wojciech, Stanek, Wojciech

“…Thermo-Ecological Cost with the inclusion of Life Cycle (TEC-LC) is defined as the cumulative exergy consumption of non-renewable natural resources associated…”
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Comparative Wear Test of Journal Sliding Bearings with Sintered Bronze and Babbitt Alloy Bushes Lubricated by Environmentally Acceptable/Adapted Lubricants (EAL) by Frost, Jacek, Litwin, Wojciech

“…A growing awareness of the negative effects of mineral oils on the natural environment has resulted in the introduction of new regulations related to…”
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Experimental research on water-lubricated marine stern tube bearings in conditions of improper lubrication and cooling causing rapid bush wear by Litwin, Wojciech, Dymarski, Czesław

“…Water-lubricated polymer bushes are increasingly popular in sliding bearings of marine propellers, water turbines, and pump shafts. This environmentally…”
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Influence of Surface Roughness Topography on Properties of Water-Lubricated Polymer Bearings: Experimental Research by Litwin, Wojciech

“…Surface smoothness of journal and bushing has significant influence on properties of sliding bearings. Relevant literature contains a number of theoretical…”
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