Design, Fabrication, and Efficiency Study of a Novel Solar Thermal Water Heating System: Towards Sustainable Development

Table 1

Thermoelectric data of different seasons.

Time (min)	Summer				Winter				Rainy
	RT 25°C, WT 24°C				RT 25°C, WT 22°C				RT 25°C, WT 24°C
	°C	(V)	(mΩ)	(mA)	°C	(V)	(mΩ)	(mA)	°C	(V)	(mΩ)	(mA)
	8.00–8.10	6	0.200	0.769	183	3	0.127	1.04	122	1	0.080	1.02	078
8.10–8.20	10	0.420	1.1	381	6	0.224	1.09	205	3	0.127	1.04	122
8.20–8.30	14	0.500	1.2	416	10	0.439	1.2	365	5	0.325	1.1	295
8.30–8.40	18	0.740	1.3	528	13	0.679	1.3	522	8	0.420	1.2	350
8.40–8.50	20	0.937	1.4	669	17	0.821	1.4	586	10	0.521	1.2	434
8.50–9.00	23	1.110	1.6	693	20	0.925	1.5	616	13	0.590	1.2	491
9.00–9.10	25	1.320	1.8	859	22	1.110	1.6	693	15	0.679	1.3	522
9.10–9.20	26	1.547	2.0	773	24	1.226	1.7	721	16	0.720	1.3	553
9.20–9.30	28	1.663	2.2	755	25	1.373	1.8	762	18	0.842	1.4	601
9.30–9.40	30	1.880	2.5	752	27	1.492	1.9	785	20	0.937	1.5	624
9.40–9.50	30	1.990	3.0	663	28	1.590	2.0	795	23	1.110	1.6	693
9.50–10.00	31	2.020	3.1	651	28	1.755	2.3	763	24	1.320	1.8	733
11.00–11.10	11	0.220	1.09	201	1	0.090	1.05	085	2	0.127	1.04	122
11.10–11.20	20	0.337	1.1	306	4	0.210	1.09	192	6	0.310	1.1	281
11.20–11.30	28	0.520	1.2	433	8	0.429	1.2	357	9	0.420	1.2	350
11.30–11.40	34	0.720	1.3	567	13	0.642	1.3	493	13	0.590	1.2	491
11.40–11.50	38	0.921	1.4	657	20	0.829	1.4	592	18	0.842	1.4	601
11.50–12.00	41	1.110	1.6	693	25	1.010	1.6	631	23	1.110	1.6	693
12.00–12.10	43	1.470	1.9	773	30	1.235	1.7	726	26	1.213	1.7	713
12.10–12.20	43	1.770	2.3	769	35	1.479	1.9	747	30	1.327	1.8	737
12.20–12.30	44	2.013	2.9	694	38	1.621	2.1	771	31	1.422	1.9	748
12.30–12.40	45	2.450	3.1	790	40	1.877	2.5	750	33	1.566	2.0	783
12.40–12.50	46	2.920	3.2	912	41	1.972	2.8	704	34	1.724	2.3	749
12.50–1.00	46.5	3.20	3.4	947	42	2.120	3.0	706	35	1.843	2.5	737
2.00–2.10	19	0.240	1.09	220	4	0.122	1.05	116	1	0.089	1.02	087
2.10–2.20	24	0.462	1.1	420	7	0.229	1.09	210	4	0.224	1.09	205
2.20–2.30	27	0.532	1.2	443	12	0.333	1.1	302	8	0.420	1.2	350
2.30–2.40	31	0.649	1.3	499	18	0.527	1.2	439	11	0.520	1.2	433
2.40–2.50	34	0.842	1.4	601	25	0.726	1.3	558	15	0.649	1.3	499
2.50–3.00	35	1.010	1.6	631	28	0.952	1.4	680	18	0.842	1.4	601
3.00–3.10	37	1.220	1.7	717	32	1.057	1.5	704	19	0.937	1.5	624
3.10–3.20	39	1.447	1.9	761	33	1.267	1.7	745	21	1.112	1.6	695
3.20–3.30	41	1.552	2.0	776	34	1.387	1.8	770	23	1.213	1.7	713
3.30–3.40	40	1.449	1.9	762	34	1.306	1.8	725	22	1.190	1.8	730
3.40–3.50	40	1.402	1.9	737	33	1.221	1.7	718	21	1.02	1.9	756
3.50–4.00	39	1.363	1.9	717	32	1.123	1.7	660	20	0.950	2.0	751