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Measurement and diagnostic system for marine engines

Charchalis Adam

Journal of KONBiN

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2019

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Vol. 49, iss. 3

33--48

EN

The Scheduled Maintenance System allows ship-owners and operators to plan, carry out and document the maintenance and repair of equipment and mechanisms on board the ship at intervals in accordance with the class requirements imposed by the Classification Societies and the manufacturer of the equipment. In order to develop the research capabilities of the Faculty of Marine Engineering of Gdynia Maritime University, a Measurement and Diagnostic System has been developed to assess the technical condition of machinery and equipment in operation on board the ship. Modernization of measuring equipment, significantly expanded the research capabilities, which resulted in increasing the scope, improving quality, and speeding up the research and development work in the field of safety of operation and diagnostics of engine rooms and ship operation.

PL

Planowy System Utrzymania (PMS) pozwala armatorom i operatorom planować, wykonywać i dokumentować konserwację i naprawy urządzeń i mechanizmów na statku w odstępach zgodnych z wymaganiami klasy narzuconych przez Towarzystwa Klasyfikacyjne i producenta tych urządzeń. W celu rozwoju możliwości badawczych Wydziału Mechanicznego Uniwersytetu Morskiego w Gdyni w zakresie prawidłowego przeprowadzenia badań zgodnie z PMS opracowano System Pomiarowo-Diagnostyczny do oceny stanu technicznego maszyn i urządzeń będących w eksploatacji na statku. Modernizacja urządzeń pomiarowych znacznie rozszerzyła możliwości badawcze, co zaowocowało zwiększeniem zakresu, poprawą jakości i przyspieszeniem prowadzonych prac badawczo-rozwojowych w zakresie bezpieczeństwa eksploatacji i diagnostyki siłowni okrętowych i eksploatacji statku.

2

Diagnostics of vessel power plants

Charchalis A.

Journal of Polish CIMAC

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2012

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Vol. 7, no 2

17-22

EN

In this paper, the problems of diagnostics of main propulsion marine engines are presented. Marine engine is a complex technical object. For the purpose of diagnostics is convenient to divide the engine into several units – subsystems such as: piston –crank assembly; working medium exchange system, fuel supply system, lubricating system, cooling system, starting up – reversing system; combustion chamber. The organization of the marine engine diagnostic process can usually come down to two stages, general diagnostics and damage location. The diagnostic system of marine engine is able to assess the current engine condition and give forecast concerning its future operation in a complex way with the use of computer technology. Working out operating decision was based on proper preparation of operational parameters which were processed in a computer according to defined algorithms. Diesel engine diagnostic systems of merchant vessel engines are discussed. Marine engines operate under specific conditions which have a considerable influence on their characteristics change and can cause their increased wear and even failure. Marine engines run in constant rolling conditions. Although rolling does not directly affect the characteristic change, it can cause systematic wear of engine components i.e. bearings.

3

Diagnostics system of marine engines and auxiliary machinery

Charchalis A.

Journal of KONBiN

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2012

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No. 4 (24)

25--32

EN

Presently, as a result of the technical progress, more and more complicated machines are being used in our everyday life. This is even more the case in relation to technology used at sea, where highly specialised services are needed. Sophisticated marine devices require special diagnostic methods that take into account the specific conditions of use of this type of machinery. In this paper we present the diagnostic systems elaborated to support the exploitation of the vessel power. Marine engine is a complex technical object. For the purpose of diagnostics it is convenient to divide the engine into several units – subsystems such as: piston –crank assembly; working medium exchange system, fuel supply system, lubricating system, cooling system, starting up – reversing system; combustion chamber, etc. The organization of the marine engine and auxiliary machinery diagnostic process can usually come down to two stages, general diagnostics and damage location. Most popular in marine engine diagnostics have been the periodic run analyzers, called pressure analyzers, electronic indicators. The diagnostic system of marine engine is able to assess the current engine condition and give forecast concerning its future operation in a complex way with the use of computer technology. Working out operating decision was based on proper preparation of operational parameters which were processed in a computer according to defined algorithms.

PL

Silnik okrętowy jest złożonym obiektem technicznym. Dla celów diagnostycznych korzystnie jest podzielić ten obiekt na na kilka jednostek – podsystemów takich jak: układ tłokowo-korbowy; system wymiany czynnika roboczego; system paliwowy; system smarowania; system chłodzenia; system rozruchowo – nawrotny; komora spalania; itp. Organizacja diagnostyki silnikow okrętowych i mechanizmów pomocniczych zazwyczaj sprowadza się do dwóch poziomów, diagnostyki ogólnej oraz lokalizacji uszkodzen. Najczęściej stosowaną metodą diagnostyki silnikow okretowych jest okresowa analiza pracy oparta na analizatorach ciśnienia zwanych indykatorami elektronicznymi. System diagnostycznysilnika okrętowego jest w stanie ocenić bieżący stan techniczny obiektu oraz opracować prognozę dotyczącą dalszej eksploatacji, na podstawie kompleksowych analiz komputerowych. Wypracowanie decyzji operacyjnej opiera się na parametrach obliczonych przez komputer na podstawie odpowiednio skonfigurowanego algorytmu.

4

Diagnostics of vessel power plants

Charchalis A.

Journal of KONES

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2011

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Vol. 18, No. 2

41-47

EN

In this paper, the problems of diagnostics of main propulsion marine engines are presented. Diesel or turbine engines are used for main propulsion of vessel power plants. Marine engine is a complex technical object. For the purpose of diagnostics it is convenient to divide the engine into several units - subsystems such as: piston -crank assembly; working medium exchange system, fuel supply system, lubricating system, cooling system, starting up -reversing system; combustion chamber. The organization of the marine engine diagnostic process can usually come down to two stages, general diagnostics and damage location. Most popular in marine engine diagnostics have been the periodic run analyzers, called pressure analyzers, electronic indicators or MIP (Mean Indicated Pressure) calculators. Marine turbine engine operation requires professional technical supervision. The basic diagnostic system of marine turbine engine is able to assess the current engine condition and give forecast concerning its future operation in a complex way with the use of computer technology. Working out operating decision was based on proper preparation of operational parameters which were processed in a computer according to defined algorithms. Diesel engine diagnostic systems of merchant vessel engines are discussed. Finally, description of diagnostic methods implemented in turbine and piston engines in Polish Navy ships are introduced.

5

Diagnostics of vessel power plants

Charchalis A.

Diagnostyka

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2008

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nr 4(48)

133-137

EN

In this paper, the problems of diagnostics of main propulsion marine engines are presented. Piston or turbine engines are used for main propulsion of vessel power plants. Diesel engine diagnostic systems of merchant vessel engines are discussed. Finally, description of diagnostic methods implemented in turbine and piston engines in Polish Navy ships are introduced.

PL

W referacie przedstawiono problematykę diagnozowania okrętowych silników napędu głównego. Silnikami tymi mogą być tłokowe lub turbinowe silniki spalinowe. Omówiono stosowane systemy diagnostyczne silników statków handlowych. Przedstawiono także opis metod diagnostycznych w zbudowanych systemach diagnozowania silników tłokowych i turbinowych okrętów Polskiej Marynarki Wojennej.