Quality and Performance Evaluation of Jatropha Oil Blended with Kerosene for Cooking Stoves in Ethiopia

Table 8

Performance of the Jatrok stove using J40 fuel.

	High power (cold-start test results)						High power (hot-start test results)
	Units	Test 1	Test 2	Test 3	Mean	Stdv.	Test 1	Test 2	Test 3	Mean	Stdv
Time to boil	min	38	40	35	37.7	2.5	40	41	35	38.7	3.2
Temp-corrected time to boil	min	38	39	35	37.6	2	41	40	36	39.3	2.8
Burning rate	g/min	2	2	2	2.1	0.3	2	2	2	2	0.2
Thermal efficiency	%	52	53	47	51	3	54	50	51	52	2
Specific fuel consumption	g/liter	38	36	40	38.3	2.2	36	37	36	36.3	0.6
Temp-corrected specific consumption	g/liter	38	36	41	38.3	2.7	37	37	37	37	0.3
Temp-corrected specific energy cons.	kJ/liter	1535	1498	1642	1558.1	74.6	1479	1547	1497	1507.6	35.1
Fire power	watts	1404	1316	1619	1446	156.1	1250	1335	1467	1351	109.2