Dr Sumit Roy's Outputs (4)

Exploring the synergistic potential of response surface methodology based multi-objective optimization in the performance–emission-stability trade-off envelope of an existing diesel engine (2020)
Journal Article
Biswas, S., Kakati, D., Roy, S., Chakraborti, P., & Banerjee, R. (online). Exploring the synergistic potential of response surface methodology based multi-objective optimization in the performance–emission-stability trade-off envelope of an existing diesel engine. Energy Sources Part A: Recovery, Utilization, and Environmental Effects, https://doi.org/10.1080/15567036.2020.1840670

The present study reveals synergistic possibilities of split-injection techniques under different exhaust gas recirculation (EGR) profiles to meet the emission-performance-stability trade-off from existing diesel engines under the Bharat Stage constr... Read More about Exploring the synergistic potential of response surface methodology based multi-objective optimization in the performance–emission-stability trade-off envelope of an existing diesel engine.

Realization of a novel free-piston engine generator for hybrid electric-vehicle applications (2020)
Journal Article
Smallbone, A., Hanipah, M. R., Jia, B., Scott, T., Heslop, J., Towell, B., …Roskilly, A. P. (2020). Realization of a novel free-piston engine generator for hybrid electric-vehicle applications. Energy and Fuels, 34(10), 12926-12939. https://doi.org/10.1021/acs.energyfuels.0c01647

Free-piston engine generators (FPEGs) have huge potential to be the principle energy conversion device for generating electricity from fuel as part of a hybrid electric vehicle (EV) powertrain system. The principal advantages lays in the fact that th... Read More about Realization of a novel free-piston engine generator for hybrid electric-vehicle applications.

Evaluation of performance characteristics of a novel hydrogen-fuelled free-piston engine generator (2020)
Journal Article
Ngwaka, U., Smallbone, A., Jia, B., Lawrence, C., Towell, B., Roy, S., …Roskilly, A. P. (2021). Evaluation of performance characteristics of a novel hydrogen-fuelled free-piston engine generator. International Journal of Hydrogen Energy, 46(66), 33314-33324. https://doi.org/10.1016/j.ijhydene.2020.02.072

In this work, we present the experimental results obtained from hydrogen fuelled spark-ignited dual piston free-piston engine generator (FPEG) prototype operated in two-stroke and four-stroke mode. The FPEG testing was successfully conducted at 3.7 c... Read More about Evaluation of performance characteristics of a novel hydrogen-fuelled free-piston engine generator.

The development and testing of a free-piston engine generator for hybrid electric vehicle applications (2020)
Book Chapter
Smallbone, A., Roy, S., Shivaprasad, K., Jia, B., & Roskilly, A. P. (2020). The development and testing of a free-piston engine generator for hybrid electric vehicle applications. In Internal Combustion Engines and Powertrain Systems for Future Transport 2019 (45-60). Taylor and Francis

In this work, we present some of the first experimental results along with simulation results obtained in developing and testing a novel dual-piston free-piston engine generator (FPEG), designed for electric- vehicle (EV) range-extender or hybrid pow... Read More about The development and testing of a free-piston engine generator for hybrid electric vehicle applications.