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Applicability of Solar Airflow Windows
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Accurate prediction of the performance of Solar Air Windows (SAWs) operating in various climates under real conditions has not been investigated. This paper reports the results of numerical simulations of SAWs carried out using ANSYS-CFX considering real boundary conditions. In order to determine the feasibility of SAWs, their performance has been examined in two similar office buildings located at two different climates. Each building has 30% of its south facing wall covered with SAWs in the spandrel areas. The results of the numerical simulations of the SAW operating in supply mode in January indicated that that for an office building located in Ottawa, Canada, 6% of its ventilation load and 12% of its heating load could be supplied by SAWs during a sunny day. Operating in exhaust mode in June, SAWs could be used to provide about 14% of the ventilation load of the office building located in Dubai, UAE.
Hamed, M. S.; Friedrich, K.; Razaqpur, G.; Foo, S. (2010). Applicability of Solar Airflow Windows. Energy Systems Laboratory (http://esl.tamu.edu); Texas A&M University (http://www.tamu.edu). Available electronically from