%0 Journal Article %T Numerical investigation of hydrogen enriched natural gas effects on different characteristics of a SI engine with modified injection mechanism from port to direct injection %A Zareei, JAVAD %A Kourosh Ghadamkheir %A سد علیرضا فرخنده %A Azher M. Abed %A Maria Jade Catalan Opulencia %A Jose Ricardo Nunez Alvarez %J Energy %@ 0360-5442 %D 2022