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Conditions of usage analisys of the two-stroke, slow-running, high power rating, main engines and the causes and effects of the triboilogical systems damage

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EN
Abstrakty
EN
This work justifies the need for further research, both laboratory and real-time usage, on improving currently operating diagnostic systems adapted to monitor ship's two-stroke, slow-running high power rating main engines in order to prevent the damage of the main tribological systems of the engines, at least these mentioned in the paper. The randomness of the variability of the load of the engines is highlighted. It is pointed that the load should be taken under consideration during the period of usage of the engines as random processes, but the optional period of time of usage as random variables. The models of these processes which are necessary to the research are offered to be elaborated with the use of Semi-Markov model theory. The rationality of the proposition is pointed out with two hypotheses. The first explains the relation between the mechanical load QM(t) and the thermal load QC(t) of the engines. The second - the existence of the stochastic linear relation between the load QM(t) and QC(t) of the engines and the wear Z(t) of their main tribological systems in such relation, that the value of the coralation coefficient rqz=1. In order to simplify the actions made to improve the currently used diagnostic systems of the engines mentioned; the most relevant description according to the author of chosen tribological system damage is given. The conditions of usage which favor the described damage are also characterized.
Rocznik
Strony
43--58
Opis fizyczny
Bibliogr. 27 poz., rys., fot.
Twórcy
  • West Pomeranian University of Technology Szczecin Faculty of Maritime Technology and Transport Chair of Safety Engineering and Power Engineering tel. 600 275871
Bibliografia
  • [1] Brun R.: Szybkobieżne silniki wysokoprężne. WKiŁ, Warszawa 1973. Dane o oryginale: Science et Technique du Moteur Diesel Industriel et de Transport. Copyright by Societe des Editions Technip et Institut Francais du Petrole, Paris 1967.(2).
  • [2] Girtler J.: Issue of changes in technical states of a diesel engine as the result of wear of its tribological systems. Zeszyty Naukowe Akademii Morskiej w Szczecinie, 31 (103), 2012., s. 77-82.(OMUP).
  • [3] Girtler J., Kuszmider S., Plewiński L.: Wybrane zagadnienia eksploatacji statków morskich w aspekcie bezpieczeństwa żeglugi. Monografia. WSM, Szczecin 2003.
  • [4] Girtler J.: Necessity for and possibility of application of the theory of semi-Markov processes to determine reliability of diagnosing systems. Journal of POLISH CIMAC. - Vol. 7, No. 2 (2012), s. 45-54.
  • [5] Girtler J.: The semi-Markov model of energy state changes of the main marine internal combustion engine and method for evaluating its operation during ships voyage // Polish Maritime Research. - Vol. 18, nr 4, 2011, s. 36-42.
  • [6] Piotrowski I.: Okrętowe silniki spalinowe. WM, Gdańsk 1971.(15).
  • [7] Piotrowski I., Witkowski K.: Eksploatacja okrętowych silników spalinowych. AM, Gdynia 2002.(16)
  • [8] Wajand J.A., Wajand J.T.: Tłokowe silniki spalinowe średnio- i szybkoobrotowe. WNT, Warszawa 2005.(21).
  • [9] Włodarski J.K.: Tłokowe silniki spalinowe. Procesy tribologiczne. WKiŁ, Warszawa 1981.(22)
  • [10] Cracks in Column, Service Biulletin No RTA-46. Wartsila NSD Corporation Ltd, Winterthur 1999.(12).
  • [11] Piston Rod Gland Package. Wartsila Corporation, Waasa 2004.(64).
  • [12] Reconditioning of Piston Rods RTA-“8 Series” Engines. Service Biulletin No RTA-37.1, Wartsila NSD Corporation, Winterthur, 2001.(72)
  • [13] Retrofit for Piston Rod Stuffing Boxes RTA”-2 and 2U Series” Engines. Service Biulletin No RTA-35.1, Wartsila NSD Corporation, Winterthur, 2001.(73)
  • [14] Running-in of Cylinder Liner and piston Rings. Service Biulletin No RTA-18.1, Wartsila NSD Corporation, Winterthur, 1998.(82)
  • [15] Running-in of Cylinder Liner and piston Rings. Service Biulletin No RTA-18.2, Wartsila NSD Corporation, Winterthur, 2002.(83)
  • [16] S 80ME-C Project Guide Electronically Controlled Two-stroke Engines. MAN B&W, Kopenhaga 2002.(84)
  • [17] RTA 58/68/76/84 Cracks on Piston SkirtsType Engines. Sulzer Information Biulletin No DUQ1-008E, Diesel United Sulzer, 1991.(75)
  • [18] RTA 58/68/76/84 Checks of elastic studs on piston for tightening. Service Information Biulletin No DUQ1-009E, Diesel United Sulzer, 1991.(76)
  • [19] RTA Engine, Corrosive Burn-Off Pocket on Cylinder Cover. Service Information Biulletin No DUQ1-017E, Diesel United Sulzer, 1990.(77)
  • [20] RTA Engine, Corrosion in exhaust gas passage of exhaust valve cage. Service Information Biulletin No DUQ1-016E, Diesel United Sulzer, 2003.(81)
  • [21] Sulzer RTA Engines, RTA 2–2U Series, Piston Crowns Loss of Material on Combustion Side. Service Biulletin no RTA-38, Wartsila NSD Corporation, Winterthur, 1998.(95)
  • [22] Sulzer RT-flex 60C, Wartsila Corporation, Helsinki 2004.(96)
  • [23] Transportation Safety Board of Canada. Marine Investigation Report M00L0034, Main Engine fires, 2001.(104)
  • [24] Transportation Safety Board of Canada. Marine Investigation Report M00L0034, Main Engine Failure, 2000.(105)
  • [25] Warsash Maritime Centre. The Learning Resource for Maine Engineers, Southampton Solent University, Southampton 2005.(107).
  • [26] RTA Type Engines, Characteristics of Cylinder Liner and Piston Ring Wear. Service Information Biulletin No DUQ1-02E, Diesel United Sulzer, 1991.
  • [27] Sprawozdanie z realizacji etapu projektu badawczego własnego pt. „Analiza własności modelu diagnostycznego układów korbowo-tłokowych silników przysposobionego do potrzeb racjonalnego sterowania procesem eksploatacji tych silników w aspekcie bezpieczeństwa statków oraz morskiego środowiska naturalnego” zrealizowanego w ramach projektu badawczego własnego finansowanego przez MNiSW Nr N N509 494638 pt.: „Decyzyjne sterowanie procesem eksploatacji układów korbowo-tłokowych silników napędu głównego statków morskich z zastosowaniem diagnostyki technicznej oraz uwzględnieniem bezpieczeństwa i ochrony środowiska”. Autorzy sprawozdania: Girtler J., Łosiewicz Z. Prace badawcze nr 06/10 /PB. Wydział Oceanotechniki i Okrętownictwa Politechniki Gdańskiej, Gdańsk 2010.
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Bibliografia
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