solar chimney, definition of

Solar Chimney

A solar chimney — often referred to as a thermal chimney — is a way of improving the natural ventilation of buildings by using convection of air heated by passive solar energy. A simple description of a solar chimney is that of a vertical shaft utilizing solar energy to enhance the natural stack ventilation through a building.

In its simplest form, the solar chimney consists of a black-painted chimney. During the day solar energy heats the chimney and the air within it, creating an updraft of air in the chimney. The suction created at the chimney's base can be used to ventilate and cool the building below.

EcoWho Articles where 'solar chimney' used:
  • What is a Trombe Wall and how can you use one?
    Trombe Walls can provide free heating, cooling and ventilation. We explain how Trombe Walls work; how to build a Trombe Wall and how such a wall saves money by reducing energy usage.
  • The importance of building orientation
    Building orientation to the Sun is important to reduce energy consumption, keeping comfortable and saving money. This article explains how best to get building orientation correct. Through a combination of benefits and opportunities the correct building orientation could save you thousands.
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Related Tags: passive solar, architecture, green building

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