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2007 | Special Issue S1 |
Tytuł artykułu

A semi-Markov model of fuel combustion process in a diesel engine

Autorzy
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
A four-state model of the combustion process in working spaces (cylinders) of a diesel engine is presented in the form of a semi-Markov process, discrete in states and continuous in time. The values in this process are the states : s1, s2, s3, s4 corresponding to commonly accepted types of combustion in those engines, namely : s1 − the process state which corresponds to total (complete and perfect) combustion, s2 − the process state which corresponds to incomplete combustion, s3 − the process state which corresponds to imperfect combustion, and s4 − the process state which corresponds to both incomplete and imperfect combustion. It is also mentioned that proper use of diesel engines can secure a correct course of the combustion process, if it is properly attended and shaped. During this course the state s4 does not take place. Formulas are given which make it possible to determine the probability of staying of the combustion process in the above named states, along with the interpretation of the probability P1 = P(s1) as the probability of correct (reliable) engine operation.
Słowa kluczowe
EN
Wydawca
-
Rocznik
Opis fizyczny
p.58-61,fig.,ref.
Twórcy
autor
  • Faculty of Ocean Engineering and Ship Technology, Gdansk University of Technology, Narutowicza 11/12, 80-952 Gdansk, Poland
Bibliografia
  • 1. Gercbach I.B., Kordonski Ch.B. : Reliability models of technical objects. WNT, Warsaw 1968 (in Polish)
  • 2. Girtler J. : Controlling the process of operation of marine combustion engines based on a diagnostic decision model. Zeszyty Naukowe AMW, no. 100A, Gdynia 1989 (in Polish)
  • 3. Girtler J. : Stochastic model of diesel engine load spectrum. Zagadnienia Eksploatacji Maszyn. PAS Quarterly, no. 1/97, 1994 (in Polish)
  • 4. Grabski F. : Theory of semi-Markov processes of technical objects in operation. Zeszyty Naukowe AMW, no. 75A, Gdynia 1982 (in Polish)
  • 5. Gurbin I.B., Syrkin P.E. : Ekspluatacionnaja nadežnost’ avtomobilnych dvigatelej. Moskva, Transport 1984 Z (in Russian)
  • 6. Kondratev N.N. : Otkazy i defekty sudovych dizelej. Moskva, Transport 1985 (in Russian)
  • 7. Krzysztofiak M., Urbanek D. :Statistic methods. PWN, Warsaw 1979 (in Polish)
  • 8. Piotrowski I., Witkowski K. : Marine combustion engines. TRADEMAR Publishing House, Gdynia 1996 (in Polish)
  • 9. Rozanov Ju.A. : Stacionarnye slučajnye processy. Fizmatgiz, Moskva 1963 (in Russian)
  • 10. Wajand J.A. : Diesel engines. WNT, Warsaw 1980 (in Polish)
  • 11. Voinov A.N. : Sgoranie v bystrochodnych poršnevych dvigateliach. Mašinostroenie, Moskva 1977 (in Russian)
  • 12. Report on the realisation of the research entitled „The analysis and synthesis of events taking place in the phase of propulsion system operation”, done within the framework of the Eureka Project - BALTECOLOGICALSHIP on „Environment friendly ship for the Baltic Sea” Authors : Jerzy Girtler, Piotr Bzura. Main project coordinator : Krzysztof Rosochowicz. Task leader : Jerzy Girtler. Research works no. 6/SPB.Eureka/2002. Main project coordinator : Krzysztof Rosochowicz
Typ dokumentu
Bibliografia
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