Experimental and Numerical Investigation on the Influence of the Rate of Injection (Roi) on Engine Performance for B100 Fuel Control Strategy in Diesel Engines

Table 1

Spray B specified nozzle geometry [27, 28].

Specifications for spray B injectors of the engine combustion network
Common rail fuel injector	Bosch solenoid-activated, generation 2.4
Fuel injector nominal nozzle outlet diameter	0.090 mm
Nozzle K factor	K = (dinlet –doutlet)/10 [use μm] = 1.5
Nozzle shaping	Smoothed by hydroerosion
Mini-sac volume	0.2 mm^3
Discharge coefficient at 10 MPa pressure drop	Cd = 0.86 (room temperature using diesel fuel)
Number of holes	3
Hole angular position	θ = 36.4°, −62.3°, and 180°
Orifice orientation relative to injector axis	ψ = 72.5° (145° full-included angle)