Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Comparing advanced exergetic assessments of two geothermal district heating systems for residential buildings
Highlights Comparison of two GDHSs using advanced exergy analysis method for the first time. Determining overall advanced exergy efficiencies of 32.52 and 34.72% for both systems. Giving a high priority improvement to the heat exchangers. Deducting inefficiencies of the system components for possible improvements.
Abstract Advanced exergy analysis method has been increasingly utilized in analyzing and assessing the performance of energy-related systems in recent years due to more deeply investigating the exergy destructions. In this study, two various geothermal district heating systems (GDHSs), the Afyon and Bigadiç GDHSs, which have been operated in Turkey, were considered to perform their advanced exergy analyses and assessments. The GDHSs studied were also compared with each other for the first time in terms of advanced exergetic aspects. In the analyses and calculations of the GDHS, the actual operational data obtained from the measurements and technical staff were utilized. The overall conventional and advanced exergetic efficiency values for the Afyon GDHS are determined to be 27.53% and 34.72% while those for the Bigadiç GDHS are obtained to be 21.03% and 32.52%, respectively. Considering both the interactions among components and the potential for improving components, more effective and efficient improvement priorities were proposed.
Comparing advanced exergetic assessments of two geothermal district heating systems for residential buildings
Highlights Comparison of two GDHSs using advanced exergy analysis method for the first time. Determining overall advanced exergy efficiencies of 32.52 and 34.72% for both systems. Giving a high priority improvement to the heat exchangers. Deducting inefficiencies of the system components for possible improvements.
Abstract Advanced exergy analysis method has been increasingly utilized in analyzing and assessing the performance of energy-related systems in recent years due to more deeply investigating the exergy destructions. In this study, two various geothermal district heating systems (GDHSs), the Afyon and Bigadiç GDHSs, which have been operated in Turkey, were considered to perform their advanced exergy analyses and assessments. The GDHSs studied were also compared with each other for the first time in terms of advanced exergetic aspects. In the analyses and calculations of the GDHS, the actual operational data obtained from the measurements and technical staff were utilized. The overall conventional and advanced exergetic efficiency values for the Afyon GDHS are determined to be 27.53% and 34.72% while those for the Bigadiç GDHS are obtained to be 21.03% and 32.52%, respectively. Considering both the interactions among components and the potential for improving components, more effective and efficient improvement priorities were proposed.
Comparing advanced exergetic assessments of two geothermal district heating systems for residential buildings
Keçebaş, Ali (Autor:in) / Coskun, Can (Autor:in) / Oktay, Zuhal (Autor:in) / Hepbasli, Arif (Autor:in)
Energy and Buildings ; 81 ; 141-151
17.05.2014
11 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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