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Development of 1.2L Gasoline Turbocharged MPFI Engine for Passenger Car Application
ISSN: 1946-3936, e-ISSN: 1946-3944
Published January 10, 2017 by SAE International in United States
Citation: Inamdar, S., Ravisankar, M., Panwar, A., Sridhar, S. et al., "Development of 1.2L Gasoline Turbocharged MPFI Engine for Passenger Car Application," SAE Int. J. Engines 10(1):1-8, 2017, https://doi.org/10.4271/2017-26-0026.
In the emerging technology trend, there is continuous demand for increase in engine performance in terms of power & torque while providing competitive fuel efficiency. Understanding and fulfillment of complex customer requirements with affordable technology is extremely challenging. In order to meet potential conflicting needs and offer ‘fun to drive’ experience to customers, Tata Motors has developed first in segment turbocharged gasoline MPFI engine. Further in order to create market differentiator, multi drive modes were introduced as segment first feature. The boosted compact 1200 cc engine while developing 90 Ps power, delivers 140 N-m torque over a wide range of 1500-4000 rpm, best suited for Indian drive conditions. This performance boost is nearly 40% over and above performance of comparable NA engine without any compromise on vehicle level fuel efficiency. This paper explain the extensive development activity carried out in comprehensive manner providing good insight into technologies involved in major engine aggregates and brief on multi drive mode system. Also the engine performance results are presented towards the end of paper.
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