Study on Carbonyl Emissions of Diesel Engine Fueled with Biodiesel

Table 2

Engine specification of 186FA.

Type	Direct-injected, 4 stokes, air-cooled, natural aspiration
Number of cylinders	1
Cylinder bore (mm) × stroke (mm)	86 × 72
Displacement (L)	0.418
Compression ratio	19
Rated power (kW)/speed (r/min)	6.3/3600
Nozzle number × orifice diameter (mm)	5 × 0.20
Injection advanced angle (°CA BTDC)	12
Combustion chamber	ω type