Staff profile

Education

• PhD in Mechanical Engineering, National Institute of Technology Agartala, Tripura, India
• M.Tech in Thermal Science & Engineering, National Institute of Technology Agartala, Tripura, India
• B.Tech in Mechanical Engineering, College of Engineering Bhubaneswar, Odisha, India

Experience

Research:

Teaching:

• Assistant Professor of Mechanical Engineering, BML Munjal University, Gurgaon, India.

Selected Grants

• S. Roy (PI), A. Smallbone, A. P. Roskilly; “High-Efficiency Green Hydrogen Production and Compression for Industrial Decarbonisation”; £99,984; 2023; Industrial Decarbonisation Research and Innovation Centre (IDRIC), EPSRC, UK.
• S. Roy (PI), A. Smallbone, Z. Ma; “An impact study exploring opportunities for Eastham Refinery Decarbonisation”; £65,000; 2023; Engineering and Physical Sciences Research Council (EPSRC) Im- pact Acceleration Accounts (IAA) and Shell UK.
• V. Krishnan, S. Roy (Co-I), M. Chaudhary; “SEA-VOLT: Seawater-Compatible Electrochemical Analysis Of Various Materials For Optimised Long-Term Performance”; £49,955.6; Flexi Grant, Engineering and Physical Sciences Research Council (EPSRC), UK.
• L. Xing, S. Roy (Co-I), K.V. Shivaprasad; “Distributed green hydrogen for building heating and cooling decarbonisation”; £49,903; 2022; Flexi Grant, Engineering and Physical Sciences Research Council (EPSRC), UK.
• S. Roy (Entrepreneurial Lead), A. P. Roskilly; “High efficiency fuel flexible free piston engine generator”; £24,256; 2020; Innovation-to-Commercialisation of University Research (ICURe); Innovate UK.

• Modelling and simulation of complex energy systems
• Alternative energy sources
• Combined heat and power systems
• Combustion engines and emissions
• Decarbonising heating and cooling
• Decarbonising transportation
• Electrolysers and Fuel cells
• Free piston energy generators
• Hydrogen economy
• Industrial decarbonisation

Chapter in book

• Roy, S., Ling-Chin, J., Bohl, T., Giampieri, A., Smallbone, A., & Roskilly, A. P. (2021). Biodiesel: Emissions and Control, Challenges, Potential and Prospects. In T. Letcher (Ed.), Comprehensive Renewable Energy. (2nd ed.). Elsevier. https://doi.org/10.1016/b978-0-12-819727-1.00063-7
• 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
• Chakraborty, A., Roy, S., & Banerjee, R. (2018). Performance Emission Characterization of a LPG-Diesel Dual Fuel Operation: A Gene Expression Programming Approach. In Harmony Search and Nature Inspired Optimization Algorithms. https://doi.org/10.1007/978-981-13-0761-4_39

Conference Paper

• Gupta, A., Agarwal, S., Aggarwal, G., & Roy, S. (2018, December). Evaluation of Emission and Performance Characteristics of Different Biodiesel Blends with Varying FIP on a Single Cylinder CI Engine. Presented at 2018 2nd IEEE International Conference on Power Electronics, Intelligent Control and Energy Systems (ICPEICES)
• Sharma, K., Agrawal, A., Bandopadhaya, S., & Roy, S. (2019, December). Fuzzy Logic Based Multi Motor Speed Control of Electric Vehicle. Presented at 2019 IEEE 5th International Conference for Convergence in Technology (I2CT)
• Nair, M. J., Pahuja, V., Suvesh, P., & Roy, S. (2018, December). Evaluation of Emission Characteristics of Green Diesel in A Single Cylinder CI Engine. Presented at 2018 2nd IEEE International Conference on Power Electronics, Intelligent Control and Energy Systems (ICPEICES)

Journal Article

• Roy, D., Samanta, S., Roy, S., Smallbone, A., & Roskilly, A. P. (in press). Techno-economic analysis of solid oxide fuel cell-based energy systems for decarbonising residential power and heat in the United Kingdom. Green Chemistry, 26(7), 3979-3994. https://doi.org/10.1039/d3gc02645k
• Roy, D., Samanta, S., Roy, S., Smallbone, A., & Roskilly, A. P. (2024). Technoeconomic and environmental performance assessment of solid oxide fuel cell-based cogeneration system configurations. Energy, 310, Article 133145. https://doi.org/10.1016/j.energy.2024.133145
• Samanta, S., Roy, D., Roy, S., Smallbone, A., & Roskilly, A. P. (2024). Modelling of hydrogen blending into the UK natural gas network driven by a solid oxide fuel cell for electricity and district heating system. Fuel, 355, Article 129411. https://doi.org/10.1016/j.fuel.2023.129411
• Roy, D., Roy, S., Smallbone, A., & Roskilly, A. P. (2023). Assessing the techno-economic viability of a trigeneration system integrating ammonia-fuelled solid oxide fuel cell. Applied Energy, 357, Article 122463. https://doi.org/10.1016/j.apenergy.2023.122463
• Roy, D., Samanta, S., Roy, S., Smallbone, A., & Roskilly, A. P. (2023). Multi-objective optimisation of a power generation system integrating solid oxide fuel cell and recuperated supercritical carbon dioxide cycle. Energy, 281, Article 128158. https://doi.org/10.1016/j.energy.2023.128158
• Villarreal Vives, A. M., Wang, R., Roy, S., & Smallbone, A. (2023). Techno-economic analysis of large-scale green hydrogen production and storage. Applied Energy, 346, Article 121333. https://doi.org/10.1016/j.apenergy.2023.121333
• Samanta, S., Roy, D., Roy, S., Smallbone, A., & Roskilly, A. P. (2023). Techno-economic analysis of a fuel-cell driven integrated energy hub for decarbonising transportation. Renewable and Sustainable Energy Reviews, 179, Article 113278. https://doi.org/10.1016/j.rser.2023.113278
• Roy, D., Samanta, S., Roy, S., Smallbone, A., & Roskilly, A. P. (2023). Fuel cell integrated carbon negative power generation from biomass. Applied Energy, 331, Article 120449. https://doi.org/10.1016/j.apenergy.2022.120449
• Giampieri, A., Roy, S., Shivaprasad, K., Smallbone, A., & Roskilly, A. (2022). An integrated smart thermo-chemical energy network. Renewable and Sustainable Energy Reviews, 168, Article 112869. https://doi.org/10.1016/j.rser.2022.112869
• Patel, M., Roy, S., Roskilly, A. P., & Smallbone, A. (2022). The techno-economics potential of hydrogen interconnectors for electrical energy transmission and storage. Journal of Cleaner Production, 335, Article 130045. https://doi.org/10.1016/j.jclepro.2021.130045
• Burrin, D., Roy, S., Roskilly, A. P., & Smallbone, A. (2021). A combined heat and green hydrogen (CHH) generator integrated with a heat network. Energy Conversion and Management, 246, Article 114686. https://doi.org/10.1016/j.enconman.2021.114686
• Hodgson, M., Roy, S., Roskilly, A. P., & Smallbone, A. (2021). The performance and efficiency of novel oxy-hydrogen-argon gas power cycles for zero emission power generation. Energy Conversion and Management, 244, Article 114510. https://doi.org/10.1016/j.enconman.2021.114510
• Ngwaka, U., Smallbone, A., Jia, B., Lawrence, C., Towell, B., Roy, S., Kv, 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
• Kakati, D., Roy, S., & Banerjee, R. (2021). Development and validation of an artificial intelligence platform for characterization of the exergy-emission-stability profiles of the PPCI-RCCI regimes in a diesel-methanol operation under varying injection phasing strategies: A Gene Expression Programming approach. Fuel, 299, https://doi.org/10.1016/j.fuel.2021.120864
• Biswas, S., Kakati, D., Roy, S., Chakraborti, P., & Banerjee, R. (2020). 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
• Smallbone, A., Hanipah, M. R., Jia, B., Scott, T., Heslop, J., Towell, B., Lawrence, C., Roy, S., Vijayalakshmi, S. K., & 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
• Roy, S., Parsi, P. K., Kotha, R. S., Barman, S., Vinayak, K., Roy, M. M., & Banerjee, R. (2020). Effective utilisation of waste cooking oil in a single-cylinder diesel engine using alumina nanoparticles. Sustainable Energy & Fuels, 4(2), 571-581. https://doi.org/10.1039/c9se00393b
• Jia, B., Smallbone, A., Mikalsen, R., Shivaprasad, K. V., Roy, S., & Roskilly, A. P. (2019). Performance Analysis of a Flexi-Fuel Turbine-Combined Free-Piston Engine Generator. Energies, 12(14), Article 2657. https://doi.org/10.3390/en12142657
• Roberts, J., Chuahy, F. D., Kokjohn, S. L., & Roy, S. (2019). Isolation of the parametric effects of pre-blended fuel on low load gasoline compression ignition (GCI). Fuel, 237, https://doi.org/10.1016/j.fuel.2018.09.150
• Kakati, D., Roy, S., & Banerjee, R. (2019). Development of an artificial neural network based virtual sensing platform for the simultaneous prediction of emission-performance-stability parameters of a diesel engine operating in dual fuel mode with port injected methanol. Energy Conversion and Management, 184, https://doi.org/10.1016/j.enconman.2019.01.087
• Chakraborty, A., Roy, S., & Banerjee, R. (2018). Characterization of performance-emission indices of a diesel engine using ANFIS operating in dual-fuel mode with LPG. Heat and Mass Transfer, 54(9), https://doi.org/10.1007/s00231-018-2312-8
• Roy, S., & Banerjee, R. (2018). Multi-objective optimization of the performance-emission trade-off characteristics of a CRDI coupled CNG diesel dual-fuel operation: A GEP meta-model assisted MOGA endeavour. Fuel, 211, https://doi.org/10.1016/j.fuel.2017.10.003
• Banerjee, R., Mikulski, M., Chakraborty, A., Roy, S., & Bose, P. K. (2017). ANN meta-model assisted MOPSO application in an EPA-Tier 4 constrained emission-performance trade-off calibration problem of a hydrogen-diesel-EGR dual fuel operation. Fuel, 208, https://doi.org/10.1016/j.fuel.2017.07.037
• Chakraborty, A., Roy, S., & Banerjee, R. (2016). An experimental based ANN approach in mapping performance-emission characteristics of a diesel engine operating in dual-fuel mode with LPG. Journal of Natural Gas Science and Engineering, 28, https://doi.org/10.1016/j.jngse.2015.11.024
• Deb, M., Majumder, P., Majumder, A., Roy, S., & Banerjee, R. (2016). Application of artificial intelligence (AI) in characterization of the performance–emission profile of a single cylinder CI engine operating with hydrogen in dual fuel mode: An ANN approach with fuzzy-logic based topology optimization. International Journal of Hydrogen Energy, 41(32), https://doi.org/10.1016/j.ijhydene.2016.07.016
• Banerjee, R., Debbarma, B., Roy, S., Chakraborti, P., & Bose, P. K. (2016). An experimental investigation on the potential of hydrogen–biohol synergy in the performance-emission trade-off paradigm of a diesel engine. International Journal of Hydrogen Energy, 41(5), https://doi.org/10.1016/j.ijhydene.2015.12.140
• Roy, S., Ghosh, A., Das, A. K., & Banerjee, R. (2015). Development and validation of a GEP model to predict the performance and exhaust emission parameters of a CRDI assisted single cylinder diesel engine coupled with EGR. Applied Energy, 140, https://doi.org/10.1016/j.apenergy.2014.11.065
• Roy, S., Das, A. K., Bhadouria, V. S., Mallik, S. R., Banerjee, R., & Bose, P. K. (2015). Adaptive-neuro fuzzy inference system (ANFIS) based prediction of performance and emission parameters of a CRDI assisted diesel engine under CNG dual-fuel operation. Journal of Natural Gas Science and Engineering, 27, https://doi.org/10.1016/j.jngse.2015.08.065
• Banerjee, R., Roy, S., & Bose, P. K. (2015). Hydrogen-EGR synergy as a promising pathway to meet the PM–NOx–BSFC trade-off contingencies of the diesel engine: A comprehensive review. International Journal of Hydrogen Energy, 40(37), https://doi.org/10.1016/j.ijhydene.2015.07.098
• Roy, S., Das, A. K., Bose, P. K., & Banerjee, R. (2014). ANN metamodel assisted Particle Swarm Optimization of the performance-emission trade-off characteristics of a single cylinder CRDI engine under CNG dual-fuel operation. Journal of Natural Gas Science and Engineering, 21, https://doi.org/10.1016/j.jngse.2014.11.013
• Roy, S., Das, A. K., Banerjee, R., & Bose, P. K. (2014). A TMI based CNG dual-fuel approach to address the soot–NOx–BSFC trade-off characteristics of a CRDI assisted diesel engine – an EPA perspective. Journal of Natural Gas Science and Engineering, 20, https://doi.org/10.1016/j.jngse.2014.06.023
• Roy, S., Ghosh, A., Das, A. K., & Banerjee, R. (2014). A comparative study of GEP and an ANN strategy to model engine performance and emission characteristics of a CRDI assisted single cylinder diesel engine under CNG dual-fuel operation. Journal of Natural Gas Science and Engineering, 21, https://doi.org/10.1016/j.jngse.2014.10.024
• Roy, S., Banerjee, R., & Bose, P. K. (2014). Performance and exhaust emissions prediction of a CRDI assisted single cylinder diesel engine coupled with EGR using artificial neural network. Applied Energy, 119, https://doi.org/10.1016/j.apenergy.2014.01.044
• Roy, S., Das, A. K., & Banerjee, R. (2014). Application of Grey–Taguchi based multi-objective optimization strategy to calibrate the PM–NHC–BSFC trade-off characteristics of a CRDI assisted CNG dual-fuel engine. Journal of Natural Gas Science and Engineering, 21, https://doi.org/10.1016/j.jngse.2014.09.022
• Roy, S., Banerjee, R., Das, A. K., & Bose, P. K. (2014). Development of an ANN based system identification tool to estimate the performance-emission characteristics of a CRDI assisted CNG dual fuel diesel engine. Journal of Natural Gas Science and Engineering, 21, https://doi.org/10.1016/j.jngse.2014.08.002