Thermal Performance Improvement of Solar Parabolic Dish System Using Modified Spiral Coil Tubular Receiver

Table 4

Output obtained from SPDC system using modified absorber.

Month	Measured parameters				Experimental			Numerical			Deviation
	(°C)	(m/s)	(L/h)	(kWh/m^2/day)	(°C)	(°C)	(%)	(°C)	(°C)	(%)			(%)
Jan	30	6.145	6948	10.9	220	218.6	57.93	202.62	199.32	54.21	0.079	0.088	6.42
Feb	34	6.8	7690	11.4	234	232.9	62.83	219.32	216.65	59.61	0.063	0.070	5.12
March	40	7.2	8140	11.8	258	256.4	66.94	244.12	242.13	64.16	0.053	0.056	4.15
April	42	7.3	8260	12.2	272	269.8	64.94	264.74	262.20	66.17	0.027	0.028	1.89
May	44	8.1	9160	12.7	296	294.2	75.98	289.59	288.15	74.86	0.022	0.021	1.47