Abstract
In the present study, cooling of a duplex house placed in Isparta province by using solar-powered single effect absorption refrigeration system, which uses water-lithium bromide (H2O-LiBr) mixture, was evaluated in details. Firstly, the cooling load of the house was determined as 19.34 kW. In order to provide the cooling load of the house (19.34 kW), the heat required for the generator was calculated as 26.76 kW, and the required collector surface area was determined by considering different types of collectors (flat plate and vacuum tube) to meet this heat capacity. In order to provide the cooling load of the house, the required surface area for the vacuum tube collectors was calculated as 10.32 m2 while it was found as 25.95 m2 for the flat plate collectors. It was concluded that the usage of vacuum tube collector with 57.9% efficiency is more appropriate since the required collector surface area is 15,63 m2 less than the required collector surface area for flat plate collector.
Highlights
The energy demand on earth is increasing with growing world population
A solar-powered absoption refrigeration system (SPAR) using H2O-LiBr was designed and analyzed theoretically to cool a house having the area of 150 m2 with double-glass, light colour shadowing in Isparta Province
The required energy for this solar powered absorption refrigeration (SPAR) system was supplied by solar energy
Summary
The energy demand on earth is increasing with growing world population. New energy sources have been investigated on alternative fuels to replace with fossil fuels due to the reduction of fossil fuel consumption and harmful emissions into the environment. Solar powered absorption refrigeration system discovered by Ferdinand Carre [2] is preferred for cooling in summer season This system requires very low or no electricity input for the same cooling capacity and physical dimensions of an absorption refrigeration system is smaller than those of different refrigeration systems as adsorption refrigeration systems. Daşkın and Aksoy [1] studied on the cooling and air conditioning of additional building of Engineering Faculty of Inönü University by using solar energy supported absorption cooling system. They used LiBr-H2O as the working fluid pair and they created the suitable system model by simulation.
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