Preliminary Investigation of the Economics of the Stratified Integrated Collector – Storage Domestic Hot Water System in Iraq
Al-Rafidain Engineering Journal (AREJ),
2005, Volume 13, Issue 2, Pages 29-38
This research aims at investigating the economics of domestic solar hot water
systems in order to promote the use of such systems in Iraq in spite of the low
prices of the natural energy sources. The integrated collector storage system,
suggested by Kahwaji, is adopted in this study due to its simplicity and good
thermal performance especially with respect to nighttime heat loss.
Thermal and economics analysis indicated that the system can provide
savings of 49 %, 56 %, 35 % and 58 % in the domestic hot water energy
expenditure in the environment of the cities of Mosul, Baghdad, Basrah and Ratba
respectively when 20 % inflation rate for the price of electricity and a system life
time of 20 years are used.
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