Abstract
This paper presents the preliminary concept research to develop the test used in the measurement of emissions in real traffic conditions for passenger vehicles. Work based on the lack of legal solutions for determining the environmental performance of light vehicles – as opposed to heavy-duty vehicles for which such regulations have specified. The elaboration is to compare the emission test used in clinical approval of passenger cars, while the synthesis of the results obtained under different conditions road tests. The intention is to develop a test for assessing the ecological vehicle in real traffic conditions, where restrictions will only drive type (gasoline engine, diesel engine, hybrid vehicle), which is consistent with the requirements of the certification tests. The result should be the foundation for the development of the test in terms of: the duration, to determine the operating conditions and vehicle and proposals for emission limit values.
Highlights
Manufacturers of combustion engines are obliged to the design drive units with best possible ecological characteristics and with supreme performance parameters
The concept of exhaust gas toxicity tests performed in real traffic conditions for passenger vehicles should be based on the following premises: determination of a consistent area of operation of the engine for all passenger vehicles in a way to the greatest extent corresponding with the most common traffic conditions, determination of the parameters measured during the road tests and the obtained emission indicators [2, 3]
The presented concept of tests of passenger vehicles for their emissions in real traffic conditions has no equivalent in legal provisions
Summary
Manufacturers of combustion engines are obliged to the design drive units with best possible ecological characteristics and with supreme performance parameters. In recent years the popularity of measuring parameters of combustion engines in real operating conditions has significantly increased. The concept of exhaust gas toxicity tests performed in real traffic conditions for passenger vehicles should be based on the following premises: determination of a consistent area of operation of the engine for all passenger vehicles in a way to the greatest extent corresponding with the most common traffic conditions, determination of the parameters measured during the road tests and the obtained emission indicators [2, 3]. The tests of working conditions were carried out for a group of vehicles driving along the predefined sections of roads in urban traffic and out-of-town traffic. The result of the study was the assessment of the working conditions of passenger vehicles considering determination of road emissions of pollutants
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