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After Treatment Sensors Positioning for BS6.2 Diesel Engine Mahindra and Mahindra Limited
- Format:
- Book
- Conference/Event
- Author/Creator:
- Vinaya Murthy, Vijayendra, author.
- Conference Name:
- Symposium on International Automotive Technology (2024-01-23 : Pune, India)
- Language:
- English
- Physical Description:
- 1 online resource cm
- Place of Publication:
- Warrendale, PA SAE International 2024
- Summary:
- BS6.1 emission standards were implemented in India in 2020 followed by BS6.2 which added more controls on emission limits. For BS6.2 OBD (On Board Diagnostics) and RDE (Real Driving Emission) were added on to the existing BS6.1 emissions. Emission control changes usually need addition of new parts, calibration changes and durability requirements. For the current 1.5L, 3-cylinder diesel engine an pSCR (Passive Selective Catalytic Reduction) brick was added for control of NOx for meeting RDE. For meeting OBD requirements PM (Particulate Matter) and NOx sensors were added in the cold end pipe along with calibration changes to meet the BS6.2 norms.In this paper we will discuss on the design aspects of sensors and pSCR only. The sensor and pSCR positioning plays vital role in meeting the legislative requirements and to ensure the ease of assembly and durability of the parts. We discuss on the various options explored for positioning, the constraints of sensor application and the importance of positioning on the emission compliance. Post the sensor positioning, parts were made, and successful testing and validation was completed demonstrating the emission compliance and sensor durability
- Notes:
- Vendor supplied data
- Publisher Number:
- 2024-26-0039
- Access Restriction:
- Restricted for use by site license
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