Effect of Lubricant Additives on the Oxidation Characteristics of Diesel Engine Particulate Matter

Table 2

The test conditions.

Test condition	Rotational speed (r/min)	Torque (N·m)	Engine test duration (min)
1	1200	100	10
2	1200	175	10
3	1200	250	10
4	2000	250	10
5	2800	250	10