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Challenges in performing DPF regeneration in Indian driving conditions for meeting BS6 emission Mahindra Research Valley
- Format:
- Book
- Conference/Event
- Author/Creator:
- Shankar, Radhakrishnan, author.
- Conference Name:
- Symposium on International Automotive Technology (2021-09-29 : Pune, India)
- Language:
- English
- Physical Description:
- 1 online resource cm
- Place of Publication:
- Warrendale, PA SAE International 2021
- Summary:
- The present study investigates the challenges on performing the on-road regeneration process in Indian road conditions for meeting BS6 emission. There are different types (DPF and SCR) of aftertreatment systems used for meeting BS6 emission. In which, active regeneration (on-road demand) is used to burn the particulate matter accumulated in the diesel particulate filter (DPF). This process must be performed frequently in order to prevent DPF system from over soot loading which lead to damage the DPF. This process is dependent on exhaust temperature, flow of exhaust and availability of oxygen et cetera As we know, Indian roads are different from other countries such as European countries. The abnormal soot loading and frequent regeneration lead to many concerns such as oil dilution, performance of the engine and life of DPF system et cetera In this work, different road conditions are categorised as city cycle, mixed cycle and highway driving conditions for analysing the active regeneration process. These cycles are defined based on the average vehicle speed (city = 25kmph, highway = 50kmph and mixed = 25 to 50kmph). The vehicle was allowed to run in different cycles. The variation in the on-road regeneration was captured in all the cycles. This paper shows the variation of fuel quantity, exhaust flow, exhaust temperature and lambda variation in all the cycles. The difference in the regeneration frequency is analysed in the three different cycles. The regenerations which are interrupted due to vehicle stop or idle stop are also studied to show the effect on the DPF soot loading
- Notes:
- Vendor supplied data
- Publisher Number:
- 2021-26-0194
- Access Restriction:
- Restricted for use by site license
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