Chilled beams and ceiling

Water is the heat transfer medium in this technology, circulating at the relatively high temperature of 16°C. Chilled beams create convective air movement to cool a room. In chilled ceilings a flat soffit panel provides radiant and convective cooling.

Extract duct f Supply duct

Figure 3.10 Hollow slab natural ventilation (courtesy of BRE)

Chilled beams can provide about 60 W/m2 of cooling water at 16°C and a room temperature of 26°C.

Chilled ceilings provide roughly 40 W/m2 assuming 50% active area, otherwise as for chilled beams.

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Solar Stirling Engine Basics Explained

Solar Stirling Engine Basics Explained

The solar Stirling engine is progressively becoming a viable alternative to solar panels for its higher efficiency. Stirling engines might be the best way to harvest the power provided by the sun. This is an easy-to-understand explanation of how Stirling engines work, the different types, and why they are more efficient than steam engines.

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