"Tsuyoshi Nagasawa,Yuichi Okura,Ryota Yamada,Susumu Sato,Hidenori Kosaka,Takeshi Yokomori,Norimasa Iida","Thermal Efficiency Improvement of SI engine by Direct Water Injection toward Piston Surface under Super-Lean Burn Condition","SAE World Congress Experience 2019",,,,,,2019,Apr.