The Solar Hourglass

The Solar Hourglass by Santiago Muros Cortés




The Solar HourglassRather than using sand to measure time, The Solar Hourglass uses the power of the sun to electrify hundreds of homes while providing a breathtaking setting for inspiration and relaxation.
The Solar HourglassThe installation consists of an upper and a lower bulb. Dozens of people can gather on the bottom bulb during the day, sheltered by the shade of the top bulb. The project works as a solar central receiver, consisting of an arrangement of small flat mirrors that concentrate their reflection of solar energy on a tank holding a heating medium.
The Solar HourglassSun-tracking mirrors (heliostats) on top of the upper bulb reflect solar heat onto a cone-shaped set of smaller mirrors that concentrate these reflections and direct them down the neck of the installation.
The Solar HourglassAs a concentrated solar power technology that employs molten salt as a HTF, the Hourglass should account for a 32% capacity factor, and with a diameter of 50m, the 1960sqm parabolic set of heliostats would concentrate enough heat to produce 6.2MW, which would be enough electricity to power 860 homes, or the greater part of Refshaleøen. Source by LAGI.
The Solar HourglassLocation: Refshaleøen, Denmark
Artist: Santiago Muros Cortés (Argentina)
Energy Technologies: concentrated solar power (thermal beam-down tower with heliostats)
Annual Capacity: 7,500 MWh
Award: 1st Place Winner for LAGI 2014

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