| 摘要 |
A light absorbing device for heating a medium by means of solar energy, comprising a first and second layer of which at least one is intended for solar energy absorption, forming a space there between in which a first medium is arranged to flow for said heating, and means arranged to allow said flowing, wherein at least one of said layers is flexible such that the surface exposed for solar energy absorption is reducible. The invention also relates to an at least partly flexible building construction. |
