Education

Awards

1. Best M.Tech. Thesis Award — ISEES, 2021
2. Best Paper Presentation Award — III-SEEC, IIT Roorkee, 2018
3. Best Tutor Award — Thermodynamics (ESO201A), IIT Kanpur, 2024

Patents

1. A Supplementary Fuel Intake Assembly for an Engine. Indian Patent No. 604119, Application No. 202411037965. Filed: 14 May 2024; Granted: 25 September 2026.
2. High-Pressure Coaxial Direct Injection System for an Internal Combustion Engine. Indian Patent No. 589697, Application No. 202411037969. Granted: 2026.

A. Refereed International Journal Publications

1. Pham, Q., Kumar, D., Agarwal, A. K., and Park, S. (2026). "Numerical modeling of macroscopic and dynamic jet characteristics of low-carbon fuels: H₂, CNG, and blends in DISI engine-like conditions." Fuel.
2. Kumar, D., and Agarwal, A. K. (2024). "Laser ignition versus conventional spark ignition for hydrogen-enriched natural gas–air mixtures in a constant volume combustion chamber." Applied Thermal Engineering.
3. Kumar, D., and Agarwal, A. K. (2024). "Effects of initial chamber pressure, temperature and mixture strength on combustion and flame kernel propagation in H₂ and natural gas–air mixtures." Energy Conversion and Management.
4. Kumar, D., Pradeep, P., and Agarwal, A. K. (2024). "Macroscopic jet characteristics of hydrogen and natural gas in direct injection spark ignition engine-like conditions." International Journal of Hydrogen Energy.
5. Kumar, D., and Agarwal, A. K. (2023). "Macroscopic spray characteristics of gasoline, methanol, and ethanol in DISI engine-like conditions." Atomization and Sprays.
6. Kumar, D., Sonawane, U., Chandra, K., and Agarwal, A. K. (2022). "Experimental investigations of methanol fumigation via port fuel injection in a single cylinder dual-fuel diesel engine." Fuel.
7. Kumar, D., Valera, H., Gautam, A., and Agarwal, A. K. (2021). "Simulations of methanol-fueled locomotive engines using a high-pressure co-axial direct injection system." Fuel.
8. Curran, S., et al., including Kumar, D. (2023). "The future of ship engines: renewable fuels and enabling technologies for decarbonisation." International Journal of Engine Research.
9. Valera, H., Kumar, D., and Agarwal, A. K. (2022). "Evaluating the effect of variable methanol injection timings in a novel co-axial fuel injection system equipped locomotive engine." Journal of Cleaner Production.
10. Singh, A. P., Kumar, D., and Agarwal, A. K. (2020). "Particulate characteristics of laser ignited hydrogen-enriched compressed natural gas engine." International Journal of Hydrogen Energy.

B. Refereed National Journal Publications

1. Kumar, D., Sonawane, U., et al. (2020). "Design and development of a portable disinfectant device." Transactions of the Indian National Academy of Engineering, 5(2), 299–303.
2. Maurya, D., et al., including Kumar, D. (2020). "Development of autonomous advanced disinfection tunnel for COVID-19 surface disinfection in public places." Transactions of the Indian National Academy of Engineering, 5(2), 281–287.

C. Edited Books

1. Agarwal, A. K., Kumar, D., Sharma, N., and Sonawane, U. (Eds.). (2022). Engine Modeling and Simulation. Springer.
2. Singh, A. P., Kumar, D., and Agarwal, A. K. (Eds.). (2021). Alternative Fuels and Advanced Combustion Techniques as Sustainable Solutions for Internal Combustion Engines. Springer.

D. Selected Book Chapters

1. Kumar, D., and Agarwal, A. K. (2022). "Fundamentals, evolution, and modeling of ignition systems for spark ignition engines." In Engine Modeling and Simulation. Springer.
2. Kumar, D., Valera, H., and Agarwal, A. K. (2021). "Technology options for methanol utilization in large bore diesel engines of railroad sector." In Methanol. Springer.
3. Kumar, D., and Agarwal, A. K. (2020). "Laser ignition technology for gaseous fuelled automotive engines." In Simulations and Optical Diagnostics for IC Engines. Springer.