INVESTIGATIONS OF THE LABORATORY FARYMANN DIESEL ENGINE D10 TYPE BY MEANS OF A LANGMUIR PROBE - Publikacja - MOST Wiedzy

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INVESTIGATIONS OF THE LABORATORY FARYMANN DIESEL ENGINE D10 TYPE BY MEANS OF A LANGMUIR PROBE

Abstrakt

A precise determination of the crankshaft angular position, at which fuel ignition occurs in the SI engine, enables credible diagnosis of the technical state of its working space as well as of the fuel feed system. An observation of the Langmuir probe signal provides entirely new possibilities for engine diagnostics. The probe is introduced into the working space of a cylinder through its indicator valve. This paper presents the preliminary results of diagnostic applied for the D10 type Farymann Diesel engine. The main aim of the investigations was to confirm the SI engine control susceptibility to the applied, original measuring method which makes possible the precise determination of the crank-shaft angle, under which the fuel self-ignition occurs. In order to verify the diagnostic results, simultaneous measurements of the cylinder pressure as well as vibrations (measured on the cylinder head cover or its mounting bolts) generated by the engine's fuel injection system and valve timing system have been conducted. Satisfactory qualitative and quantitative agreement of the registered control parameters has been obtained using simplified comparative analysis. The results showed that further upgrade of the diagnostic method as well as the computer software is necessary in order to synchronize all monitored variables and enable comparative analysis in relation to the angular crankshaft position.

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Kategoria:
Publikacja w czasopiśmie
Typ:
artykuły w czasopismach recenzowanych i innych wydawnictwach ciągłych
Opublikowano w:
Combustion Engines nr 153, strony 75 - 82,
ISSN: 2300-9896
Język:
angielski
Rok wydania:
2013
Opis bibliograficzny:
Korczewski Z., Rudnicki J., Cenian A., Piechowski L.: INVESTIGATIONS OF THE LABORATORY FARYMANN DIESEL ENGINE D10 TYPE BY MEANS OF A LANGMUIR PROBE// Combustion Engines. -Vol. 153., iss. 2 (2013), s.75-82
Weryfikacja:
Politechnika Gdańska

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