2 pages in the catalogue
Calpak vacuum tube collector with flat reflector |
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Calpak vacuum tube collector with flat reflector p 1 (Tlpak Vacuum tube collector with flat reflector Vacuum tube collectors have higher efficiency in diffuse radiation (cloudy weather and winter), compared to flat plate collectors. The vacuum produced... |
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Calpak vacuum tube collector with flat reflector p 2 1 - 0,9 - I NSTAN TANEO l Accor( J S EFF K ding to Î IENCY ISO 98( CURVE C 5 6-1 / E )F CALP N 1297! AK 20V1 5 -2 stan COLLE dards) CTORS =» ' c 0 7 0) 0,7 Ö *}~ 0 6 UJ i 0,5 - 0,3 - c 0,2 -0,1 - ) 0,01 0,02 0,03 0,04 0,05 0,06 0,07 0,08 0,09 0,1 0,11 0,12 (ti-ta)/G (m2 x K/W) Technical characteristics 12 VT I 20VT Collector: External dimensions: length 1600 1600 width 900 1410 height 100 100 Weight 36 58 Aperture area 1,26 m 2 2,10 m2 Number of vacuum tubes 12 20 Glass cover tube external diameter 47 mm Glass cover tube length 1500 mm Cover material Borosilicate glass 3.3 Vacuum p < 0,005 Pa Absorber: Absorber material: Inner copper U-pipes fin D=9,52 thickness 0,65 mm Inner aluminium 0,8 mm Surface treatment Sputtered selective Absorption coefficient a ... |
