|
Тема |
Kитейци бе [re: Enter] |
|
Автор | enter (Нерегистриран) | |
Публикувано | 20.04.05 21:19 |
|
|
Specification of SolarSource Evacuated Collector Tubes
Model
SST-1500
SST-1800
Structure
All-glass concentric tube geometry
Glass Material
Borosilicate glass
Length
1500 mm
1800 mm
Net Weight
1.5Kg
2.2Kg
Outer Tube Diameter
f = 47 ЎАƒ[1]X 0.7 mm
= 58 ЎАƒ[1]X 0.7 mm
Inner Tube Diameter
f = 37 ЎАƒ[1]X 0.7 mm
= 48 ЎАƒ[1]X 0.7 mm
Wall Thickness
d = 1.5 mm
Transmittance of Outer Tube
0.93
Absorptive
Coating
Properties
Construction
AlN / Al - N (LMVF) / Al - N (HMVF) / Al / Al - N / Glass tube
Method of Deposition
DC reactive sputtering
Absorptance a
94%
a Variation along Tube Length
3%
Emittance e
< 6% (100Ўгƒ[1](C)
Vacuum Gas Pressure
£ 5 x 10-3 Pa
Stagnation Temperature (typical)
³ 270 Ўгƒ[1](C
Recommended Working Temperature
£ƒ 150 Ўгƒ[1](C
Heat Loss Coefficient of Collector Tube
£ 0.85W / (M2Ў¤ƒ[1]Ўгƒ[1](C)
Impact Resistance
Withstand 1 inch diameter hailstone without breaking
Strength (pressure tested)
1 MPa
Lifetime
20 years
Exw Price (USD)
$2.50
$4.00
|
| |
|
|
|