Flat plate solar water heater

Flat plate ( SPFP-1)

Material

 Copper and aluminum complex solar collector

Outer treatment

Blue titanium sputtering

Constructure

Pipe-sheet

Flat plate weight

5.7±0.1KG

Absorption rate

0.95-0.97

Emission rate

0.03-0.05

Frame size

2000 x 1000 x 76mm

Frame material thickness

0.85mm

Gross Area(m2)

2.12

Lighting Area(m2)

2

Absorber area(m2)

1.83

Sealing

EPDM

Cover sheet

1

Cover sheet material

toughened glass

Cover sheet thickness

3.2mm

Light Transmittance

91%

bottom cover

0.30mm

insulation

50mm glass wool

Maximum working pressure

0.6MPa

Weight

34kg

Warranty

7Years

Testing Standard

GB/T 6424-1997 flat plate solar collector technical specification

Testing tools

Solar heating system solar thermal capacity temperature testing system, electromagnetism flow meter, total radiant meter, high quality dynamic wind speed sensor, steel tape,extraventricular thermometer

Testing factor

Heat Capacity

Testing Conclusion

According to test , this solar collector heatcapacity is Good.According to lighting area, input temperature Instanteneous Efficiency Curve is  ηa  =0.748-4.580Ti*

Technic Specification

FR  (τ.αnot lower than 0.68    FR.UL not higher than 6.0W/m2.C)  Among them FR :Heat Transfer Factor1),τ: Solar Penetration rate of transparent cover ULtotal heat loss rateαAbsorption rate of absorber

Testing Result

FR  (τ.α=0.75; FR.UL =4.6;  Instanteneous Efficiency Curve as below

Tesing result (based  lighting area and input temperature

This solar collector temperature Instanteneous Efficiency Curve is ηa  =0.748-4.580Ti*

Among this : Ti*=(ti-ta)/G

ti: Input temperature of working fluids

ta: environmental temperature

G: Total solar power on the solar collector lighting area, W/m2