Performance Evaluation of a Photovoltaic-Thermal Collector Coupled Stepped Solar Still for Indian Climatic Conditions

Table 4

For modeling validation: comparison of the experimental and analytical results in reference [5, 22].

Time				[25]		[28]		[28]
8	272.83	0.58	21.42	21.12	23.72	21.12	21	0	0
08 : 30	350.78	1.23	23.7	32.42	39.57	37.34	38.28675	0.15	0.2
9	436.57	2.36	25.64	43.18	47.8	43.91	46.41324	0.35	0.42
09 : 30	525.92	3.42	27.18	49.19	52.86	47.92	50.99174	0.6	0.62
10	613.28	3.85	28.33	56.48	56.8	52.29	54.37292	0.75	0.784
10 : 30	692.23	3.77	29.15	60.13	60.17	57.21	57.25095	0.85	0.92
11	756.33	3.51	29.72	63.78	62.94	61.95	59.64435	0.96	1
11 : 30	799.88	3.14	30.16	68.15	65.11	65.05	61.60148	1.03	1.1
12	818.85	2.76	30.56	69.61	66.634	66.69	63.08162	1.06	1.147
12 : 30	811.42	2.5	30.96	71.25	67.31	68.58	63.89121	1.1	1.15
1	778.31	2.4	31.39	71.43	67.06	67.79	63.90457	1.07	1.129
01 : 30	772.63	2.38	31.8	69.79	66.44	66.88	63.18553	0.99	1.07
2	649.44	2.36	32.1	68.33	64.12	64.14	61.84511	0.9	0.983
02 : 30	564.97	2.3	32.16	65.23	61.64	61.95	59.91788	0.81	0.86
3	475.75	2.18	31.87	59.58	58.55	59.58	57.39984	0.68	0.738
03 : 30	387.78	2.02	31.13	54.66	54.86	55.39	54.23501	0.6	0.59
4	305.96	1.81	29.87	49.89	50.58	51.56	50.40746	0.47	0.46
04 : 30	233.66	1.59	28.1	44.87	45.75	45.55	45.91281	0.29	0.33
5	172.74	1.35	25.86	39.82	40.45	39.9	40.81258	0.19	0.22
(%)	—	—	—	0.62%		1.99%		6.77%