spherical glass solar energy generator by andre rawlemon
german born, barcelona-based architect andré broessel has sent us images of his latest development of a spherical glass solar energy generator. the project uses the advantageous strategy of implementing a ball lens and specific geometrical structure to improve energy efficiency by 35%. in contrast to its traditional photo-voltaic ‘dual-axis’ counterparts, the device incorporates a fully rotational weatherproof natural optical tracking device that is adequate for functioning on inclined surfaces and curtain walls, empowering any building surface. the new solar generating concept has capabilities that concentrate diffused daylight or moonlight for a more effective site context application.
left: first prototype with dual axis tracking system and triple junction cells right: second prototype including multiple ball lenses with dual axis tracking system and triple junction cells
left: second prototype showing light transmission through 3 ball lenses right: second prototype showing performance in different light diffusion situations
third prototype water filled ready for measuring multiple PV cells concepts and thermal energy
measuring the focal point temperature and the radiation intensity
moonlight study of concentrated light arriving to solar cell
measuring the focal plane of a ball lens
left: set up of the 6 axis precision measurement instrument right: set up for the direct beam measurement system
comparison of the different existing solar energy providers
render of the solar generator in context for building application
different application context
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elmadagdale Mar 14, 2014 daisy liddell Nov 20, 2012 usman ghani cheema barcelona Aug 29, 2012
more commentsOne concept seemingly absent from above comments is the dual charm: that it can contribute to the electric needs of architecture is excellent, but what elevates further that excellence is the addition of aesthetics. Think about it. Conventional p.v. generators offer at best a raw, mechanistic character; this sphere elevates the building’s aesthetic, both external and internal, to excellent art. The concept has other architectural applications. I look forward experiencing one.
Oh my! This is really incredible! Solar energy rules!
good work…for change the world…keep it up