A study of passive ventilation of a one storey detached building. A hot element of the building, heated by solar energy, induces the air flow. It could be part of a roof or a wall, or a chimney drawing air into the building. No electrical power or mechanical installations are needed, so it is appropriate for use in remote areas and buildings which are not grid-connected. The method can be used to remove toxic gases such as radon. A steady state laboratory model was used for experiments and simulations in steady and transient states.
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