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1
Content available A concept design of diesel – hydraulic propulsion system for passenger ship intended for inland shallow water navigation
Dymarski Czesław
Polish Maritime Research
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2019
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nr 3
30--38
EN
This paper presents an analysis of environmental and technical conditions necessary for working out a possibly most favourable propulsion system for a two – segment passenger ship intended for navigation between Berlin and Kaliningrad. There are presented various types of propulsion systems for small ships as well as analyzed their possible applications and consequences. In this work there were taken into account system’s reliability, efficiency, dimensions, mass and costs of manufacturing, assembling and possible replacing the system components as well as an impact on maneuverability and natural environment. With taking into account the above mentioned criteria it was finally found that the diesel-hydraulic system fitted with two azimuthal ducted solid propellers is the most favourable. There are also presented a schematic propulsion and control diagram, three-dimensional arrangement drawing of system components as well as assembly drawing of the designed azimuthal propulsion system.
2
Content available A new design of the poded azimuth for a diesel-hydraulic propulsion system of a small vessel
Dymarski C., Zagórski M.
Journal of Polish CIMAC
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2011
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Vol. 6, no 1
33-42
EN
The paper presents a comparative analysis of different kinds of ship propulsion systems with azimuth thrusters and also constructional solution of an azimuth thrusters destined for small vessel with diesel-hydraulic driving system. Characteristic feature of the thrusters is localization under the water of the main hydraulic motor which drives a fixed pitch propeller located inside a nozzle. The motor is attached to the pod which is fixed to rotatable 360 ° vertical column with nozzle. The shaft of the motor is directly coupled inside pod with propeller shaft. The column is driven by a small hydraulic motor through planetary and cylindrical gears. The thruster has been build and preliminary tested at HYDROMECH Company and now is prepared for laboratory research.
3
Content available Analysis Of Two Design Kind Of Propulsion For An Inland Vessel
Dymarski Cz.
Journal of Polish CIMAC
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2007
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Vol. 2, no 1
107-116
EN
This paper presents design assumptions, technical conditions and two kinds of design solution of propulsion system for an inland waterways ship. In the first version this is a combustion-electric system fitted with frequency converter and in the other - combustion-hydraulic one with hydrostatic reduction gear. There are also a preliminary comparative analysis of these systems.
4
Content available Two design concepts of power plant for an inland waterways passenger ship intended for operating on BERLIN – KALININGRAD route
Bocheński D., Rudnicki J.
Polish Maritime Research
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2006
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S 2
52-56
EN
This paper presents two most probable design solutions of power plant for a two-segment passenger ship intended for operating on inland waterways of Poland, Germany and Russia. Preliminary designs of the main power plant to be installed on the pusher are presented, as well as requirements for the auxiliary power plant to be placed on the barge are outlined.
5
Content available Economical analysis of selected variants of power plant for inland waterways passenger ship intended for operating on Berlin - Kaliningrad route
Bocheński D.
Polish Maritime Research
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2006
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S 2
47-51
EN
This paper contains an economical analysis of three selected variants of power plant for inland waterways passenger ship intended for operating on Berlin-Kaliningrad route. Purchase cost of elements of the ship’s energy system and fuel consumption cost were assumed as the assessment criterion for the analyzed variants of the ship’s power plant. The economical indices : Average Annual Cost (AAC) and Net Present Value (NPV) were taken into consideration.
6
Content available Comparative analysis of selected design variants of propulsion system for an inland waterways ship
Dymarski C., Rolbiecki R.
Polish Maritime Research
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2006
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nr 1
3-7
EN
In this paper are presented design assumptions and technical conditions as well as selected design versions of propulsion system for an inland waterways ship, and also a preliminary comparative analysis of two solutions. In the first version this is a combustion-electric system fitted with frequency converter and in the other - combustion-hydraulic one with hydrostatic reduction gear.
7
Content available remote Wybrane problemy wyznaczania wartości współczynnika strumienia nadążającego
Behrendt C.
Zeszyty Naukowe / Wyższa Szkoła Morska w Szczecinie
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2002
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nr 66
61-72
PL
Przedstawiono problemy wyznaczania wartości współczynnika strumienia nadążającego. Porównano jego wartości uzyskane w wyniku badań modelowych i z wykorzystaniem metod uproszczonych. Zaprezentowano także metodę wyznaczania współczynnika sprawności strumienia nadążającego, umożliwiającego porównanie strumieni nadążających dla różnych statków.
EN
The paper presents problems of wake fraction value determination. The calculation results of analytical simplified formulas have been compared with ship model test results. For the critical examination and the comparison of different wake fields, the method of wake efficiency number determination is also presented.
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