| 摘要 |
<p>A system and a Fresnel lens array for steam energy generation from solar radiation includes a Fresnel lens (11) and an absorber member (14) adapted to carry fluid and located at a focal point of the Fresnel lens. In use water is injected into the absorber member and the resultant high pressure steam is extracted or collected. The Fresnel lens is comprised of an inner lens (11) and outer lenses (12) respectively offset at an angle from the inner lens and, preferably, have unique optical properties. The array is able to move through a dual axis to track the suns movement through the sky. Preferably, the absorber includes a back reflector (11) and is enclosed by a transparent tube (12) including a rifled bore for increasing the surface area in contact with water/steam within the tube.</p> |
