A First Approach to Natural Thermoventilation of Residential Buildings through Ventilation Chimneys Supplied by Solar Ponds

Ferdinando Salata, Chiara Alippi, Anna Tarsitano, Iacopo Golasi and Massimo Coppi
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Ferdinando Salata: DIAEE—Area Fisica Tecnica, Università degli Studi di Roma "Sapienza", Via Eudossiana, 18, 00184 Rome, Italy
Chiara Alippi: DIAEE—Area Fisica Tecnica, Università degli Studi di Roma "Sapienza", Via Eudossiana, 18, 00184 Rome, Italy
Anna Tarsitano: DIAEE—Area Fisica Tecnica, Università degli Studi di Roma "Sapienza", Via Eudossiana, 18, 00184 Rome, Italy
Iacopo Golasi: DIAEE—Area Fisica Tecnica, Università degli Studi di Roma "Sapienza", Via Eudossiana, 18, 00184 Rome, Italy
Massimo Coppi: DIAEE—Area Fisica Tecnica, Università degli Studi di Roma "Sapienza", Via Eudossiana, 18, 00184 Rome, Italy

Sustainability, 2015, vol. 7, issue 7, 1-15

Abstract: The exploitation of natural ventilation is a good solution to improve buildings from an energetic point of view and to fulfill the requirements demanded by the thermohygrometric comfort and the air quality in enclosed spaces. Some past researches demonstrated how some devices, useful to this purpose, follow the principles of solar chimneys and are able to move air masses while exploiting the Archimedes thrust. The natural ventilation must be supplied by a flow moving upward, generated by a heat source performing at temperatures slightly higher than the one present in the environment. To have a minimum energetic effect, the heat can be extracted from solar ponds; solar ponds are able to collect and store solar energy in the geographical regions characterized by sufficient values of solar radiation. Thus it is possible, in summer, to provoke a nocturnal natural ventilation useful for the air change in indoor spaces (in those climatic areas where, during the night, there is a temperature gradient).

Keywords: natural ventilation; solar chimney; solar pond; free cooling; Nearly Zero Energy Building (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2015
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (8)

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