Experimental Investigations on the Performance of Thermosyphon Solar Flat Plate Collector using TiO₂ Nanofluids

Table 1

Specifications of solar flat plate collector.

S. no.	Design materials/parameters	Specifications
Collector
1	Tilt angle	10° (South facing)
2	Aperture area, Ac	0.48 m^2
3	Collector glazing	Single transparent glass of 3 mm thickness
4	Riser tubes	OD 12.5 mm, ID 11 mm, length 2,000 mm
5	Absorber plate	Width 122 mm, length 2,000 mm
8	Bottom insulation	100 mm glass wool
9	Side insulation	60 mm glass wool covered by wooden frame
10	Absorber plate coating absorptivity	0.92
11	Transmittance of glazing	0.91
12	Number of riser tubes	1
Storage tank and piping
13	Tank type	Vertical
14	Tank volume	10 l
15	Tank wall thickness	4 mm
16	Tank insulation thickness	50 mm
17	Connecting pipe size	ID 13 mm
18	Pipe insulation thickness	20 mm