Conclusions

Merkisz, Jerzy; Pielecha, Jacek

doi:10.1007/978-3-319-15928-7_10

Cited by 6 publications

(6 citation statements)

References 11 publications

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“…The fundamental advantage of such tests is the coverage of all actual conditions of operation and aspects of a combustion engine, which is hardly reproducible under laboratory conditions during tests performed on engine test beds. When analyzing the literature, we need to stress the RDE tests are performed for a variety of vehicle categories (on-road vehicles [3][4][5][6][7][8], non-road vehicles [9][10][11][12][13][14] or aircraft [15][16][17]. In the said works, particular attention was drawn to several aspects such as the research methodology, exhaust emissions level and engine operating parameters.…”

Section: Introductionmentioning

confidence: 99%

Exhaust emissions from small engines in handheld devices

et al. 2017

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Abstract. The paper presents the results of investigations on the exhaust emissions carried out under real operating conditions of gasoline engines operating in a power generator and a chainsaw. During the operation of these devices the authors measured the following exhaust emissions: CO, HC, NO x and CO 2 . For the measurements the authors used a portable exhaust emission analyzer SEMTECH DS by SENSORS. This analyzer measures the concentrations of the exhaust gas components in an on-line mode while the engine is running under real operating conditions (road, field etc.). The exhaust emissions tests of non-road engine applications are performed on engine test beds in the NRSC (ISO 8178) and NRTC tests. The presented method is a new solution in determining of the exhaust emissions from such engines. The obtained results were compared with the applicable emission requirements. Besides, based on the performed investigations, the authors attempted an evaluation of the possibilities of the use of the measurement method for development works related to the reduction of the emission from small gasoline engines.

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Section: Introductionmentioning

confidence: 99%

Exhaust emissions from small engines in handheld devices

et al. 2017

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“…Most of the research is focused on a design of marine diesel engines and its environmental performance [11][12][13]. Many commercial programs are usually designed for this purpose.…”

Section: Modelling Of Marine Diesel Engine's Working Cyclementioning

confidence: 99%

Mathematical modelling malfunctions of marine diesel engine

Zacharewicz

2017

MATEC Web Conf.

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Abstract. The paper describes modelling methods of selected malfunctions in a four-stroke marine diesel engine. The model has been developed for purposes to assess methods of technical conditions selected elements of the engine structure. Modelling malfunctions allow to determine answers to energetic parameters of the faults. The paper is based on earlier publications, in which was carried out studies of the physical model of energetic processes in engine and additionally the mathematical model which was based on the developed physical model.

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“…Numerous studies have shown the efficacy of emission reduction systems in reducing emissions, especially in terms of particle mass and number [13][14][15][16]. Particularly, the latter value is important because it has been proven that nanoparticles are the most dangerous to humans, and those are precisely the particles most commonly emitted from diesel engines [17][18][19][20], its emission value for passenger vehicles and HDVs is also subject to limits.…”

Section: Introductionmentioning

confidence: 99%

Analysis of tractor particulate emissions in a modified NRSC test after implementing a particulate filter in the exhaust system

2017

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Abstract. Retrofitting, which means retrofitting old generation engine systems with modern exhaust aftertreatment systems, is becoming increasingly popular, which allow vehicles to adhere to the newer and more stringent emission norms. This can save the operators of such vehicles money using older engineered designs without the need to design a new unit or buy an expensive new machine or vehicle. At present, there is a growing interest in emissions from off-road vehicles and the introduction of minimum limits for older vehicles that must be met in order to be able to allow for their operation. For the purposes of this article, the Stage IIIA farm tractor has been fitted with a particulate filter in the exhaust system. The study investigated the impact of the use of exhaust aftertreatment systems on particle emissions in terms of mass, size distribution and number using PEMS analyzers in the modified NRSC stationary test by engine loading, using a mobile engine dynamometer and comparison of test results.

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Conclusions

Cited by 6 publications

References 11 publications

Exhaust emissions from small engines in handheld devices

Exhaust emissions from small engines in handheld devices

Mathematical modelling malfunctions of marine diesel engine

Analysis of tractor particulate emissions in a modified NRSC test after implementing a particulate filter in the exhaust system

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