Performance Evaluation of a Low-Grade Low-Heat-Rejection Diesel Engine with Crude Pongamia oil

Table 3

The Variation of EGT at The Peak Load With Injection Timing and Injection Pressure in The Conventional and LHR Engines at Different Operating Conditions of The Vegetable Oil.

		EGT at the peak load (°C)
Injection timing (°b TDC)	Test fuel	Conventional engine						LHR engine
		Injection pressure (bars)						Injection pressure (bars)
		190		230		270		190		230		270
		NT	PT	NT	PT	NT	PT	NT	PT	NT	PT	NT	PT
27	DF	425	—	410	—	395	—	460	—	450	—	440	—
	CPO	525	500	500	490	490	465	470	450	450	430	430	410
29	DF							440		430		420
	CPO							430	410	410	390	390	370
30	DF	410	—	400	—	385	—	460	—	450	—	440	—
	CPO	500	490	490	480	425	415	470	450	450	430	430	410
31	DF	400	—	390	—	375	—	450	—	445	—	440	—
	CPO	450	415	435	425	445	435
32	DF	390		380		380		29	—	30	—	30.5	—
	CPO	465	460	425	415	435	425	—	—	—	—	—	—
33	DF	375	—	375	—	400	—	—	—	—	—	—	—
	EPO	400	390	410	400	420	410	—	—	—	—	—	—

DF: diesel fuel, CPO: crude pongamia oil, NT: normal or room temperature, PT: preheat temperature.