Energetic and exergetic performances of an economical and available integrated solar storage collector based on concrete matrix

摘要: Abstract This paper deals with an experimental study of inexpensive integrated solar storage collector (ISSC) total aperture area 2 m 2 , used for the providing domestic hot water. The ISSC is characterised by absorber matrix made up a thin cement concrete slab which performs function both absorbing and storing thermal energy. Inside was embedded cooper pipe network. Outdoor experiments were carried out under varied environmental conditions several days during three consecutive months (from November 2007 to February 2008). measuring climatic variables, temperatures in different parts collectors, mass flow rates water, test days. Based on these measurements, behavior systems analyzed comparing exit temperatures, heat losses, delivered useful A detailed energy exergy analysis evaluating optical performance, losses as well exergetic efficiency given operating conditions. Results shows that collector, having energetic efficiencies 32% 23.5% respectively, provides acceptable stored rate supplying approximately 80% water requirements family composed 5–6 persons. An economic evaluation considering investment time recovery through system. results obtained from system compared high quality thermosyphon flat-plate (with ) its corresponding insulated tank (200 l), tested at same time.