Unglased - diagonal flow
_________
compar VRK - vacuum tube collector
Falt plate - diagonal flow
__________
FK -
Flat Collector
Flate plate - harp desing and double glazed
__________
doppeet verglaster- double glazed
Vacuum - large tubes - fluid carrying
__________
durchströmt-fluid carrying
Vacuum - flat fin - smal size tubes - reciever
__________
Großflächen-
large area

SGA -
large solar systems
Concentric parabolic Concentrators
Vacuum
- - - - - -  - -
__________
Schwimmbad - swimming pool
source:  Solar-Thermal Large-Scale Systems& Process Heat Applications with CPC Vacuum Tube Collectors
             by:  Rolf Meisner PhD. at the 2008 intersolar North America   paradigma energie und umwelttechnick GmbH & CO.KG

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