The effect of vehicle exhaust system components on performance and noise in firing spark‐ignition engines—An experimental study

1993 ◽  
Vol 94 (3) ◽  
pp. 1805-1805
Author(s):  
A. Selamet ◽  
M. S. Croy ◽  
R. A. Kach ◽  
J. M. Novak
Keyword(s):  
Experimental Study ◽  
Exhaust System ◽  
Spark Ignition ◽  
Spark Ignition Engines ◽  
Vehicle Exhaust ◽  
System Components

Theoretical and Experimental Study of the Fuelling a Truck Diesel Engine with Liquefied Petroleum Gas

2016 ◽  
Vol 822 ◽  
pp. 198-205
Author(s):  
Nikolaos Cristian Nutu ◽  
Constantin Pana ◽  
Alexandru Dobre ◽  
Niculae Negurescu ◽  
Alexandru Cernat
Keyword(s):  
Experimental Study ◽  
Diesel Engine ◽  
Spark Ignition ◽  
Experimental Investigations ◽  
Spark Ignition Engines ◽  
Nitric Oxides ◽  
Liquefied Petroleum Gas ◽  
And Storage ◽  
Objective Research ◽  
Engine Power

The increasing price of the fuels and tightening of the pollution rules requires the use of some efficient fuelling methodes with altenative fuels for diesel engines. Fuelling with LPG of a diesel engine is a viable sollution, considering that it can be used the infrastructure for distribution and storage already used for spark ignition engines. In this work are presented results of theoretical and experimental investigations of a truck diesel engine fuelled with LPG by diesel-LPG methode. The main objective research is the decrease of the nitric oxides emissions with the premise that the engine power is maintained at the same level like in the case of the standard engine, fuelled only with diesel fuel.

Article

1999 ◽  
Vol 77 (7) ◽  
pp. 1177-1190 ◽  
Author(s):  
S Taconnet ◽  
Y Simon ◽  
G Scacchi ◽  
F Baronnet
Keyword(s):  
Experimental Study ◽  
Reaction Mechanisms ◽  
Reaction Medium ◽  
Spark Ignition ◽  
Reaction Vessel ◽  
Spark Ignition Engines ◽  
Flow Reaction ◽  
Oxidation Mechanisms

The different behaviour of hydrocarbons with respect to autoignition phenomena is, at present, not yet fully explained. We have therefore investigated the oxidation of two alkanes that have different octane numbers: neopentane (85.5) and isopentane (92.3), to obtain a better understanding of their reaction mechanisms, in particular, those reactions that are responsible for the onset of knock in spark ignition engines. The experimental study was performed at 873 K in a jet-stirred flow reaction vessel. The oxidation mechanisms were simplified by using the CHEMKIN programme of simulation of reaction mechanisms. These mechanisms were compared to those accounting for the oxidation of n-pentane, cyclopentane, n-heptane, and isooctane that we have previously studied. This comparison shows that the different behaviour of these hydrocarbons can be explained, at least in part, by the presence, in the reaction medium, of resonance-stabilized radicals.Key words: oxidation, neopentane, isopentane, autoignition, modelling.

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