Page 389 - Advances in Eco-Fuels for a Sustainable Environment

Ecofuel and its compatibility with different automotive metals to assess diesel engine durability 343

0.35
Diesel
B20 Ecofuel
0.30

0.25
Coefficient of friction (–) 0.20

0.15

0.10

0.05

0.00
0 1 2 3 4 5 6 7 8 9 10
Time (s)

Fig. 12.2 Variation of the coefficient of friction at run-in period of the test.

0.120
Diesel
0.115
B20 Ecofuel
0.110
0.105
Coefficient of friction (–) 0.095
0.100

0.090
0.085

0.080
0.075
0.070
0.065
10 20 40 60 80 100 120 140 160 180 200
Time (s)
Fig. 12.3 Coefficient of friction during the transitional period of the test.