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2 Combustion Engines

2 2019

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The impact of ignition system damage on the emission of toxic substances in a spark-ignition internal combustion engine

Dziubiński Mieczysław, Siemionek Ewa, Drozd Artur, Ścirka Michał, Kiszczak Adam, Sobota Krzysztof

Combustion Engines

2019

R. 58, nr 4

86--92

The article discusses the impact of ignition system damage on the emission of toxic subcategories in a spark-ignition internal combustion engine. The aim of the work was to develop an analytical model of ignition system diagnostics, test performance and comparative analysis of the results of simulations and experiments. The model developed allows to analyse the basic parameters of the ignition system affecting the content of toxic substances in the exhaust. Experimental tests were carried out using the MAHA MGT5 exhaust gas analyser for four different combustion engines fueled with petrol at various operating conditions. During the tests, the content of toxic substances in the exhaust gas of a properly working engine and the engine working with damage to the ignition system were registered. The tests will be used to assess the impact of the damage of the spark-ignition engine on the emission of individual components of toxic fumes.

Analysis of the impact of damage to the injection system on the emission of toxic substances in a spark-ignition internal combustion engine

Dziubiński Mieczysław, Siemionek Ewa, Drozd Artur, Żur Paweł, Ścirka Michał, Tatarynow Dawid

Combustion Engines

2019

R. 58, nr 4

112--118

The article presented analyses the impact of damage to the injection system on the emission of toxic subsumes in a spark-ignition internal combustion engine. The work focuses on the basic elements of the injection system, which include injectors, throttle position sensor, coolant temperature sensor and lambda sensor. In addition, a catalytic reactor has been included in the context of its direct cooperation with the injection system under set conditions. The toxicity of exhaust gases of different spark-ignition engines fueled with petrol or gas in determined operating conditions using the MAHA MGT5 exhaust gas analyser was tested. The content of toxic substances in the exhaust gases was recorded for the correct settings of the injection system and for the engine working with damage to this system. The tests carried out will allow to assess the impact of the damage of the injection system on the toxicity of exhaust gases.