Double target magnetism controls the sputtering coating entire glass solar energy collection heat pipe parameter

Structure

Entire glass double barrel coaxial structures

Material

Glass tube material: borosilicate glass
3.3

Outside diameter 

Φ47±0.7mm &=1.6mmΦ58±0.7mm &=1.6mm

Internal diameter

Φ37±0.7mm &=1.6mmΦ47±0.7mm &=1.6mm

Specification length

47-1500mm/1600mm/1800mm

58-1500mm/1600mm/1800mm/2000mm/2100mm

Absorption coating perforance

Selective absorber coating material:ss-c/cu

Solar absorption efficiency
0.88~0.90

  Vacuum tube vacuum degree

P≤2×10¯³(Pa)

  Maximum stagnation temperature

Y=250℃

Average heat loss coefficient

U 0.4~0.6w/(㎡.℃)

Resistance performance

≤25mm