Non-pressure solar collector
Product Details
Stand: Aluminum Alloy
Absorption coating: Al-N-Al
Vacuum tube: Borosilicate glass 3.3
Insulation: Polyurethane foam
Inner tank: SUS 304-2B stainless steel sheet
Outer tank: Al-Zn coated steel sheet
Detail of material:
The higher the value of a2 the more "hookednosed" the power/efficiency curve)
The heat loss coefficient of a collector depends on the temperature. High values of a2 indicates large temperature influence
Temperature dependent term of heat loss coefficient [W/K?]
a2: 2nd order heat loss coefficient
Heat loss cofficient at collector fluid temperature equal to ambient temperature [W/K]
a1: 1st order heat loss coefficient
Combined efficiency of the transparent cover and the absorber [-]
n0: Optical efficiency
And the collector performance parameters:
dT: Temperature difference between collector mean fluid temperature and ambient air temperature [K] (Kelvin)
G : Solar irradiance on collector plane [W/m?]
With the operation conditions:
q = A*(n0*G - a1*dT - a2*dT?) [W]
The collector performance is described by the equation for the power output q:
2nd order heat loss coefficient , a2=0.000w(m2
Solar collector made by SUNSHORE , heated by SUNSHINE , give your hot water , warm your winter .
- Place of Origin:China (Mainland)
- Country:China (Mainland)
- telephone:86-513-86247986
| Supply Ability: | 1,000,000 Set/Sets per Year |
| Port: | SHANGHAI |
| Place of Origin: | China (Mainland) |
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