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Performance Analysis of a Solar Cooling Plant Based on a Liquid Desiccant Evaporative Cooler

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#Energie Rinnovabili

pubblicazioni - Articolo

Performance Analysis of a Solar Cooling Plant Based on a Liquid Desiccant Evaporative Cooler

Il solar cooling, ovvero il raffrescamento degli ambienti mediante l’impiego dell’energia solare, si presenta come una soluzione potenzialmente interessante soprattutto dal punto di vista del risparmio energetico e della gestione della rete elettrica. Il presente articolo riporta i risultati ottenuti dal monitoraggio di un impianto DEC installato sul territorio italiano.

Summer air conditioning represents a growing market in buildings worldwide, with a significant growth rate observed in European commercial and residential buildings. Available heat driven cooling technologies can be used in combination with solar thermal collectors to reduce the load caused by air conditioning on the electric utilities and to reduce the environmental impact. This work reports a performance analysis of an open cycle solar cooling plant. The plant, installed in Northern Italy, is based on a liquid desiccant evaporative cooler coupled with a solar field. Experimental tests run duringsummer show average primary energy ratio and primary energy saving index of about 1.6 and 30%, respectively. Though this performance is satisfactorily, the regeneration unit always operated near the lower bound of the nominal temperature range. Therefore, optimization of the solar system design could lead to higher performance.

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#Energie Rinnovabili

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