Browse Publications Technical Papers 2019-26-0148

Bharat Stage-V Solutions for Agricultural Engines for India Market 2019-26-0148

The Bharat Stage (CEV/Tractor) IV & V emission legislations will come into force in Oct 2020 & Apr 2024 respectively, posing a major engineering challenge in terms of system complexity, reliability, costs and development time. Solutions for the EU Stage-V NRMM legislation in Europe, from which the BS-V limits are derived, have been developed and are ready for implementation.
To a certain extent these European solutions can be transferred to the Indian market. However, certain market-specific challenges are yet to be defined and addressed. In addition, a challenging timeline has to be considered for application of advanced technologies and processes during the product development. In this presentation, the emission roadmap will be introduced in the beginning, followed by a discussion of potential technology solutions on the engine itself as well as on the after treatment components. This includes boosting and fuel injection technologies as well as different exhaust gas recirculation methods. Diesel engine concepts like SCR/SCRF only or SCR/SCRF plus EGR solutions, will also be discussed in addition to advanced engine and after treatment models for the electronic control unit (ECU). An analysis of the benefits and challenges of the individual technologies will be presented. Furthermore, advanced calibration methodology such as virtual calibration will be introduced, which help to reduce development time and cost. As a summary, the presentation will identify most favorable concepts for future of agricultural engines.


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