结构Structure | 全玻璃双管同轴结构 Entire glass double barrel coaxial structures |
材料Material | 高硼硅3.3特硬玻璃 Glass tube material: borosilicate glass 3.3 |
外观直径 Outside diameter | Φ47±0.7mm &=1.6mm Φ58±0.7mm &=1.6mm |
内管直径 Internal diameter | Φ37±0.7mm &=1.6mm Φ47±0.7mm &=1.6mm |
规格长度 Specification length | 47-1500mm/1600mm/1800mm |
58-1500mm/1600mm/1800mm/2000mm/2100mm |
吸收涂层性能材质 Selective absorber coating material | SS-ALNX/CU |
吸收率Solar absorption efficiency 0.91~0.93（AM1.5） |
发射比Launch ratio 0..04~0.06（80℃±5℃） |
真空度 Vacuum tube vacuum degree | P≤2.0×10-3(Pa) |
空晒性能参数 Maximum stagnation temperature | Y=250㎡C/KM |
平均热损系数 Average heat loss coefficient | ULT= 0.4~0.6w/(㎡.℃) |
抗冰雹性能 Resistance performance | ≤ 25mm |
