Abstract
Legislation regarding the reduction of harmful exhaust emissions, greenhouse gases and fuel consumption is one of the strongest drivers of development in automobile design. Strict legislation requires changes to engine calibration and hardware, but also to test facilities and emissions analysis systems; indeed, emissions standards in the European Union (EU), USA and Japan determine not only maximum permissible emissions factors, but also emissions testing methods and laboratory design. This paper is a continuation of [1], and presents the most recent additions to BOSMAL’s emissions testing laboratory – a recently-installed analyzer bench for modal raw exhaust measurement at both pre- and post-catalytic converter sampling locations, as well as EGR ratio calculation, are described in the context of its sophisticated emissions measurement facilities and the increasingly complex testing demands of vehicle and aftertreatment system manufacturers.
Highlights
The main trends in engine and vehicle design are currently driven by the requirements of legislation concerning harmful exhaust emissions and reducing carbon dioxide (CO2) emissions
This paper presents an in-depth analysis of various facets
Cool and cold starts represent a significant challenge in z kontrolą emisji spalin w samochodach osobowych, który terms of forming combustible mixtures while maintaining musi być rozwiązany przez producentów silników, a także exhaust emissions and fuel consumption at reasonable levels, stanowi klucz do rozwoju systemów katalitycznego oczyszand this problem becomes progressively worse with reducing czania spalin
Summary
Legislation and political pressures as drivers of automotive emissions testing Concern regarding the impact of the transport sector on air quality and greenhouse gas emissions remains high, both to the public in general, and to legislators. Road transport remains one of the largest single sources of CO2 emissions in the EU [2, 3]. Finite resources of liquid fossil fuels and the harmful emissions associated with the combustion of such fuels – together with international commercial competition – are the major factors driving automotive vehicular development. The main trends in engine and vehicle design are currently driven by the requirements of legislation concerning harmful exhaust emissions and reducing carbon dioxide (CO2) emissions. Vehicular transport is one of the biggest sources of harmful emissions and major changes in engine and vehicle design have been observed in the past few
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