超高圧噴射時のディーゼル噴霧の特性(熱工学,内燃機関,動力など)

概要

論文の詳細を見る
Electronically controlled and hydraulically actuated fuel injection equipment was developed to investigate the characteristics of a diesel fuel spray at injection pressurs of up to 300 MPa. The injection equipment made it possible to keep the injection pressure almost constant during the injection period. The spray angle and the Sauter mean diameter decreased with an increase in the injection pressure in the range up to 250 MPa, whereas above this injection pressure the spray did not show such variation. Mach waves were observed around the spray when the initial penetrating velocity of the spray tip exceeded the sound velocity of the ambient gas. The distribution of the penetrating velocity of the fuel along the spray axis was measured from the Mach angles at the edge of the spray.
一般社団法人日本機械学会の論文
1997-01-25