Formation of Residual Bubbles in Diesel Engine Nozzle and Their Influence on Initial Jet

Table 2

Bubble volume statistics inside nozzle.

Images	1	2	3	4	5	6	7	8	9	10	Average value
Backflow volume of gas/mm^3	0.172	0.165	0.185	0.174	0.17	0.172	0.19	0.205	0.182	0.185	0.18
Gas volume fraction/%	14.3%	13.8%	15.4%	14.5%	14.2%	14.3%	15.8%	17.1%	15.2%	15.4%	15%