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Simulation Based Design Methods and Economical Analysis for Solar Driven Absorption Cooling Systems (2006)
This paper produced by British and German researchers in 2006 sets out to correlate the collector area with cooling power and energy demand in absorption cooling systems.
The paper demonstrates that buildings with the same maximum cooling power, but very different load time series, require collector areas to vary by a factor 4 to achieve the same solar fraction.
Whilst a better correlation was obtained between the building cooling energy demand and the collector surface area necessary to cover 80% of the total energy demand with a variance of only a factor of 2.5 between different cooling load characteristics (in a Madrid example).
When analysing costs the paper demonstrates the dominance of the chiller and the solar thermal system to the total system costs and states that there is a need to use the produced thermal energy not just for cooling, but also for warm water or heating production to lower the total cost of the solar thermal system.
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