Fig. 9. Schematic of H2 DI strategies. Typically, the intake valve closing (IVC) is after bottom dead center (BDC). Injecting after IVC avoids the occurrence of backfire and allows a maximum amount of air to be aspirated into the engine.
Fig. 9. Schematic of H2 DI strategies. Typically, the intake valve closing (IVC) is after bottom dead center (BDC). Injecting after IVC avoids the occurrence of backfire and allows a maximum amount of air to be aspirated into the engine.