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The 9th International Energy Conference
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:: Volume 14, Issue 4 (1-2012) ::
IJE 2012, 14(4): 0-0 Back to browse issues page
Technical - Economical and Environmental Analysis of Utilization of Solar Water Heating Systems in Residential Buildings
Farideh Atabi * , Abdorrazagh Kaabinezhadian , Elmira Mousazadeh Namini
, far-atabi@jamejam.net
Abstract:   (12766 Views)
In this paper, based on geographic specifications and climatic conditions, the required natural gas and hot water of a typical 8-units residential building located in Tehran city, has been taken into consideration and analyzed in two scenarios considering the national and international prices of natural gas and electricity. In scenario A, utilization of a forced circulation solar water heating system for supplying the required hot water based on national prices for electricity and natural gas and in scenario B, utilization of the same system considering international prices for electricity and natural gas were investigated through using RETScreen software. The results show that in scenarios A and B, the share of solar water heating system in supplying the required hot water is 53%. The amount of natural gas saving would be 4,777 m3/yr. The total investment costs and green house gases (GHGs) emission reduction would be US$ 7,898 and 6.4 tCO2/yr respectively. In scenario A, annual external costs diminution would be US$ 123 tCO2 and normal payback period would be 16.9 yr. In scenario B, annual external costs diminution and normal payback period would be US$ 101 tCO2 and 6.3 yr respectively. Thus using the solar water heating systems with considering the international prices of electricity and natural gas is economically feasible.
Keywords: Solar Water Heating Systems, GHG Emission Reduction, Residential Building, Technical- Economical and Environmental Analysis
Full-Text [PDF 420 kb]   (2847 Downloads)    
Type of Study: Research | Subject: Energy Planning Models
Received: 2012/07/15 | Published: 2012/01/15
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Atabi F, Kaabinezhadian A, Mousazadeh Namini E. Technical - Economical and Environmental Analysis of Utilization of Solar Water Heating Systems in Residential Buildings. IJE 2012; 14 (4)
URL: http://necjournals.ir/article-1-295-en.html


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Volume 14, Issue 4 (1-2012) Back to browse issues page
نشریه انرژی ایران Iranian Journal of Energy
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