Summary
Compares the updraft solar chimney with the downdraft energy tower, where sprayed water cools the air so it sinks, using simple thermodynamic models checked against published values and prototype measurements. Under realistic weather, an energy tower of equal chimney size delivers only about one fifth to one third of a solar chimney's power, although it needs no collector.
Description written by Solar Tower. The original abstract is available from the publisher via the link below.