Experimental investigation of diesel engine using EGR and fuelled with Karanja oil methyl ester

Figures & data

Figure 1 Karanja tree.

Figure 2 Biodiesel reactor.

Figure 3 Experimental set-up.

Table 1 Test engine specification.

Make	Force motors
Cylinder number and type	Four and four stroke
Bore (mm)	78
Stroke (mm)	95
Compression ratio	18.65:1
Rated power (H.P.)	27
Rated speed (rpm)	2200

Table 2 Fuel properties of diesel and KOME.

Properties	Test method	Diesel	KOME
Kinematic viscosity at 40°C (cSt)	D445	2.4	5.5
Density at 15°C (kg/m^3)	D1298	822.4	891.8
Flash point (°C)	D93	67	136
Net calorific value (MJ/kg)	D240	42.7	37.58
Water and sediments (vol.%)	D2709	0.01	0.02
Sulphur (wt.%)	D4294	0.28	Nil

Figure 4 Variation in BSEC with BMEP.

Figure 5 Variation in BTE with BMEP.

Figure 6 Variation in CO emission with BMEP.

Figure 7 Variation in HC emission with BMEP.

Figure 8 Variation in NO_x emission with BMEP.

Figure 9 Variation in smoke emission with BMEP.