Publications

Reuss, D.L., Kim, N., Sjoberg, M., & Sjoberg, M. (2023). The influence of intake flow and coolant temperature on gasoline spray morphology during early-injection DISI engine operation. International Journal of Engine Research, 24(5), pp. 1813-1839. https://doi.org/10.1177/14680874221104301

Sjoberg, M. (2022). Internal 2-D Surface Temperature Measurements for Large Complex Geometries. 10.2172/1895023

Kim, N., Vuilleumier, D., Singh, E., Sjoberg, M., & Sjoberg, M. (2022). Octane Requirements of Lean Mixed-Mode Combustion in a Direct-Injection Spark-Ignition Engine. Energy and Fuels, 36(17), pp. 10096-10109. 10.1021/acs.energyfuels.2c01794

Kim, N., Singh, E., Sjoberg, M., Saggese, C., Matsubara, N., Yokoo, N., Nakata, K., & Nakata, K. (2022). Experimental and Numerical Study on the Effect of Nitric Oxide on Autoignition and Knock in a Direct-Injection Spark-Ignition Engine [Conference Paper]. SAE Technical Papers. 10.4271/2022-01-1005

Singh, E., Vuilleumier, D., Kim, N., Sjoberg, M., & Sjoberg, M. (2022). Influence of gasoline fuel formulation on lean autoignition in a mixed-mode-combustion (deflagration/autoignition) engine. Combustion and Flame, 242. 10.1016/j.combustflame.2022.112163

Sjoberg, M., Kim, N., Matsubara, N., Yokoo, N., Nakata, K., & Nakata, K. (2022). Influence of Nitric Oxide and Other Factors on Acoustic Knock Onset for Lean DISI Engine Operation [Conference Presentation]. COMODIA 2022 - 10th International Conference on Modeling and Diagnostics for Advanced Engine Systems. 10.2172/2003964

Sjoberg, M., Killingsworth, N., Kolodziej, C., Majumdar, S.S., Szybist, J., & Szybist, J. (2022). Fuel Effects on Multimode Engine Operation (Sandia National Laboratories) (DOE VTO Annual Progress Report for FY21). 10.2172/1871372

Sjoberg, M., Kim, N., Matsubara, N., Yokoo, N., Nakata, K., & Nakata, K. (2022). Influence of Nitric Oxide and Other Factors on Acoustic Knock Onset for Lean DISI Engine Operation [Conference Paper]. 10.1299/jmsesdm.2022.10.A1-3

He, X., Zhou, Y., Liu, Z., Yang, Q., Sjoberg, M., Vuilleumier, D., Ding, C.P., Liu, F., & Liu, F. (2022). Impact of coolant temperature on the combustion characteristics and emissions of a stratified-charge direct-injection spark-ignition engine fueled with E30. Fuel, 309. 10.1016/j.fuel.2021.121913

Sjoberg, M. (2021). What unconventional engine-fuel combinations show the greatest promise for efficiency improvements beyond current light-, medium-, and heavy-duty technologies? [Presentation]. https://www.osti.gov/biblio/1891954

Xu, C., Som, S., Sjoberg, M., & Sjoberg, M. (2021). Large eddy simulation of lean mixed-mode combustion assisted by partial fuel stratification in a spark-ignition engine [Conference Poster]. Journal of Energy Resources Technology, Transactions of the ASME. https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85107955842&origin=inward

Sjoberg, M. (2021). Fuel Effects on Multimode Engine Operation [Conference Presentation]. 10.2172/1891953

Manin, J.L., Hansen, N., Sjoberg, M., Nguyen, T.M., Wan, K., Kukkadapu, G., Killingsworth, N., Pitz, W., & Pitz, W. (2021). Soot Modeling and Experiments [Presentation]. https://www.osti.gov/biblio/1869237

Sjoberg, M. (2021). Advanced Light-Duty Spark Ignition Engine Research: Co-Optimization of Fuels and Engines and Partnership to Advance Combustion Engines (FY2020 Annual Progress Report). 10.2172/1780569

Kim, N., Vuilleumier, D., Sjoberg, M., & Sjoberg, M. (2021). Effects of Injection Timing and Duration on Fuel-Spray Collapse and Wall-Wetting in a Stratified Charge SI Engine [Conference Presentation]. 10.2172/1853858

Sjoberg, M., Kim, N., Vijayagopal, R., Sarvaiya, S., Killingsworth, N., McNenly, M., Mueller, J., Sluder, S., & Sluder, S. (2021). Fuel Economy Potential of Multimode Engines in Conventional and Hybrid Vehicles [Presentation]. https://www.osti.gov/biblio/1847028

Szybist, J.P., Busch, S., McCormick, R.L., Pihl, J.A., Splitter, D.A., Ratcliff, M.A., Kolodziej, C.P., Storey, J.M.E., Moses-Debusk, M., Vuilleumier, D., Sjoberg, M., Sluder, C.S., Rockstroh, T., Miles, P., & Miles, P. (2021). What fuel properties enable higher thermal efficiency in spark-ignited engines?. Progress in Energy and Combustion Science, 82(1). https://doi.org/10.1016/j.pecs.2020.100876

Tornatore, C., Sjoberg, M., & Sjoberg, M. (2021). Optical investigation of a partial fuel stratification strategy to stabilize overall lean operation of a DISI engine fueled with gasoline and E30. Energies, 14(2). https://doi.org/10.3390/en14020396

Kim, N., Vuilleumier, D., He, X., Sjoberg, M., & Sjoberg, M. (2021). Ability of Particulate Matter Index to describe sooting tendency of various gasoline formulations in a stratified-charge spark-ignition engine. Proceedings of the Combustion Institute, 38(4), pp. 5791-5799. 10.1016/j.proci.2020.06.173

Kim, N., Vuilleumier, D., Sjoberg, M., & Sjoberg, M. (2020). Effects of Injection Timing and Duration on Fuel-Spray Collapse and Wall Wetting in a Stratified Charge SI Engine [Conference Paper]. https://www.osti.gov/biblio/1854669

Kim, N., Vuilleumier, D., He, X., Sjoberg, M., & Sjoberg, M. (2020). Ability of Particulate Matter Index to describe sooting tendency of various gasoline formulations in a stratified-charge spark-ignition engine [Conference Presentation]. 10.2172/1835232

Hu, Z., Zhang, J., Sjoberg, M., Zeng, W., & Zeng, W. (2020). The use of partial fuel stratification to enable stable ultra-lean deflagration-based Spark-Ignition engine operation with controlled end-gas autoignition of gasoline and E85 [Conference Poster]. International Journal of Engine Research. https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85077384889&origin=inward

Hu, Z., Zhang, J., Sjoberg, M., Zeng, W., & Zeng, W. (2020). The use of partial fuel stratification to enable stable ultra-lean deflagration-based Spark-Ignition engine operation with controlled end-gas autoignition of gasoline and E85. International Journal of Engine Research, 21(9), pp. 1678-1695. https://doi.org/10.1177/1468087419889702

Sjoberg, M., Som, S., Flowers, D., & Flowers, D. (2020). 2020 DOE AMR: Co-Optima Multi-Mode: From In-Cylinder Combustion Diagnostics to Drive-Cycle Fuel Economy [Presentation]. https://www.osti.gov/biblio/1785063

Sjoberg, M. (2020). Multimode update: Where Octane Index Works [Presentation]. https://www.osti.gov/biblio/1781311