Effect of the intake valve lift and closing angle on part load efficiency of a spark ignition engine

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Balmelli, M., Zsiga, N., Merotto, L., & Soltic, P. (2020). Effect of the intake valve lift and closing angle on part load efficiency of a spark ignition engine. Energies, 13(7), 1682 (16 pp.). https://doi.org/10.3390/en13071682