The solar chimney technology has been shown to be unviable. Why?

Question

The solar chimney technology has been shown to be unviable.  Why?

Answer

The hot air generated would be too hot and would melt the glass roof of the greenhouse collection area.

Answer

To operate effectively, the chimney would need to be ~1km high

Answer

The wind speeds going through the turbine blades would exceed the speed of sound

Answer

It has no ability to store heat and be dispatchable

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