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

Table 7

Performance of the Jatrok stove using J20 fuel.

Parameters	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	42	36	38	38.7	3.1	30	34	32	32	2
Temp-corrected time to boil	Min	42	36	39	38.7	3.2	31	34	33	32.4	1.4
Burning rate	g/min	2	2	2	1.9	0.2	3	2	2	2.3	0.2
Thermal efficiency	%	57%	53%	55%	55%	2%	55%	55%	59%	56%	2%
Specific fuel consumption	g/liter	33	34	36	34.4	1.4	36	35	32	34.3	1.9
Temp-corrected specific consumption	g/liter	33	34	37	34.6	1.8	37	35	33	35.1	1.9
Temp-corrected specific energy cons.	kJ/liter	1,330	1,414	1,460	1401.3	65.8	1486	1468	1335	1429.6	82.8
Fire power	Watts	1,111	1,403	1,316	1277	150.0	1667	1507	1417	1530	126.6