Formation and development of cavitation in a transparent nozzle with double orifices on different planes

被引：6

作者：

Ma, Jinglong ^{[1
]}

Wen, Hua ^{[1
]}

Jiang, Shuisheng ^{[1
]}

Jiang, G. ^{[1
]}

机构：

[1] Nanchang Univ, Sch Mech & Elect Engn, Nanchang 330031, Jiangxi, Peoples R China

来源：

ENERGY SOURCES PART A-RECOVERY UTILIZATION AND ENVIRONMENTAL EFFECTS | 2023年 / 45卷 / 02期

关键词：

Cavitation; injection pressure; needle valve lift; string cavitation; gas ingestion; MULTI-HOLE NOZZLES; SPRAY CHARACTERISTICS; FLOW CHARACTERISTICS; VORTEX FLOW; DIESEL; PRESSURE; VISUALIZATION; KARANJA; MODEL;

D O I：

10.1080/15567036.2019.1668501

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

In this paper, the formation and development of cavitation in a transparent nozzle with double orifices on different planes are studied through a visual transparent nozzle experiment. The effect of different injection conditions on the formation and development of cavitation are analyzed. The results demonstrate that with a decrease in needle valve lift and an increase in injection pressure, the amount of cavitation is augmented, which significantly improves the energy utilization efficiency and reduces the emission of harmful substances. The instantaneous and mean images reveal that cavitation in the nozzle presents clear cycle-to-cycle variation and that string cavitation is related to the geometry of nozzle.

引用

页码：3438 / 3452

页数：15

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