Prometheus Solar Technologies Inc.
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When one hears the word foundry one might think of a dirty industrial process, but the with the new technologies developed at Prometheus Solar Technologies they are forging a new clean way into the future.

bronze_propUsing the patented Kinley Dual Mirror System ProSolarTec has been melting metal with only the power of the Sun for years and are receiving great reviews. Since their first solar melt in June 2006 the Prometheus Team has designed, built and tested 6 separate working prototypes of solar furnaces. Temperatures of over 2000 ºC (3,632 ºF) have been measured and a variety of metals have been melted and poured.

The amazing thing about the solar furnace is that it uses no fuel to create its extremely high temperatures and produces no carbon emissions. Computer modelling conducted at Dalhousie University, Department of Mechanical Engineering has verified the process and indicate even higher temperatures are attainable as the prototypes are improved. Accordingly, the two-stage concentrator offers a much greater power intensity than conventional "flat plate" solar technologies, so that method may represent the most efficient solar collectors in the world.

The Solar Furnace has produced castings of Bronze, Brass, Zinc, Aluminium, and Babit using closed and open faced sand moulds.

Prometheus News

Thermocouples

As the ProSolarTec continues to improve its solar concentrating technology, the technologies used to measure and record data must also follow suit. Prometheus field tests currently use data acquisition software coupled with high-grade thermocouples to accurately measure temperatures of up to 8 different locations simultaneously. The testing has recently surpassed the upper limit of K-type thermocouples and in order to record these higher temperatures the Prometheus Team is now using platinum based R-type thermocouples. As the accuracy of the tests improves, more detailed fine-tuning can be executed on the prototypes, further increasing the success of the project's experiments.

 
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