Experimental characterization of a photovoltaic solar-driven cooling system based on an evaporative chimney
| Autor: | H. Sadafi, Pedro Martínez, M. Lucas, P.G. Vicente, J. Ruiz, F.J. Aguilar |
|---|---|
| Rok vydání: | 2020 |
| Předmět: |
Chiller
060102 archaeology Solar chimney Renewable Energy Sustainability and the Environment business.industry 020209 energy Photovoltaic system 06 humanities and the arts 02 engineering and technology Solar energy Cooling capacity Solar air conditioning 0202 electrical engineering electronic engineering information engineering Water cooling Environmental science 0601 history and archaeology Process engineering business Evaporative cooler |
| Zdroj: | Renewable Energy. 161:43-54 |
| ISSN: | 0960-1481 |
| DOI: | 10.1016/j.renene.2020.06.111 |
| Popis: | Photovoltaic systems combined with electrical compression chillers offer a high potential for energy efficient cooling with a high economic feasibility. They can significantly reduce the energy consumption in the building sector. The main goal of this study is to analyse the performance of a PV solar driven water-water chiller. The novelty of the work relies on the use of a novel system, called photovoltaic evaporative chimney, which aims to increase the efficiency of solar photovoltaic modules by evaporative cooling. The complete solar cooling system consists of four PV panels (1.02 kWp) and a 3.8 kW refrigeration capacity water-cooled chiller. A systematic study was undertaken and nine sets of experiments were conducted in summer conditions of a Mediterranean climate (Spain). The system’s ability to convert the solar energy into refrigeration capacity was observed to be 0.49 on average for the tests performed. The solar contribution (ratio of PV energy consumption to total absorbed energy) was 64.40%. The system produced on average 11.32 cooling kWh per each kWh consumed from the grid. The influence of the ambient conditions on the key performance indicators has been assessed and global correlations for use in more detailed energy analyses have been developed. |
| Databáze: | OpenAIRE |
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