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Development of an all speed governed Diesel-CNG dual fuel engine for farm Applications Mahindra and Mahindra Limited
- Format:
- Book
- Conference/Event
- Author/Creator:
- Raj, Ashwin S., 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:
- This paper discusses the development of an all speed governeddiesel-natural gas dual fuel engine for agricultural farm tractor.A 45 hp, 2.9 liters diesel-natural gas dual fuel engine with anovel closed loop secondary fuel injection system was developed. Afrugal approach was followed for conversion, without anymodification of the base mechanical diesel fuel injection system.The overall cost impact due to dual fuel conversion was keptminimum, while meeting performance and emissions at par with basediesel operation. Additional cost on gas injection system isredeemed by cost savings on diesel fuel. The dual fuel technologydeveloped by Mahindra and Mahindra Limited, substitutes on anaverage approximately 40% of diesel with compressed natural gas,while meeting the mandated agricultural tractor emission norms fordual fuel and meeting all application requirements. The governingperformance of the tractor was found to be superior than basediesel tractor. A prototype dual fuel tractor was tested for allfield applications including puddling, cultivator, rotavator,plough and haulage to confirm application suitability andsubstitution performance. The raw emission results showed anincrease in unburned hydrocarbon and carbon monoxide emissions,while nitrous oxide emissions decreased marginally. A dieseloxidation catalyst was used to reduce the carbon monoxide andhydrocarbon emissions and exhaust gas recirculation was used toreduce the nitrous oxides. Overall emissions in dual fuel wereachieved below the diesel emissions with 40% particulate matterreduction
- Notes:
- Vendor supplied data
- Publisher Number:
- 2021-26-0101
- Access Restriction:
- Restricted for use by site license
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