Abstract
An investigation is undertaken of a prototype buildingintegrated solar photovoltaic-powered thermal storage system and air conditioning unit. The study verifies previous thermodynamic and economic conclusions and provides a more thorough analysis. A parameterized model was created for optimization of the system under various conditions. The model was used to evaluate energy and cost savings to determine viability of the system in several circumstances, such as a residence in Phoenix with typical cooling demand. The proposed design involves a modified chest freezer as a thermal storage tank with coils acting as the evaporator for the refrigeration cycle. Surrounding the coils, the tank contains small containers of water for highdensity energy storage submerged in a low freezing-point solution of propylene glycol. The cooling power of excess photovoltaic and off-peak grid power that is generated by the air conditioning compressor is stored in the thermal storage tank by freezing the pure water. It is extracted by pumping the glycol across the ice containers and into an air handler to cool the building.
Original language | English (US) |
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Title of host publication | 42nd ASES National Solar Conference 2013, SOLAR 2013, Including 42nd ASES Annual Conference and 38th National Passive Solar Conference |
Publisher | American Solar Energy Society |
Pages | 462-469 |
Number of pages | 8 |
ISBN (Print) | 9781632660046 |
State | Published - 2013 |
Event | 42nd ASES National Solar Conference 2013, SOLAR 2013, Including 42nd ASES Annual Conference and 38th National Passive Solar Conference - Baltimore, United States Duration: Apr 16 2013 → Apr 20 2013 |
Other
Other | 42nd ASES National Solar Conference 2013, SOLAR 2013, Including 42nd ASES Annual Conference and 38th National Passive Solar Conference |
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Country/Territory | United States |
City | Baltimore |
Period | 4/16/13 → 4/20/13 |
ASJC Scopus subject areas
- Renewable Energy, Sustainability and the Environment