Determination of optimum pipe diameter along with energetic and exergetic evaluation of geothermal district heating systems: Modeling and application

KALINCI Y., Hepbasli A., Tavman I.

ENERGY AND BUILDINGS, cilt.40, sa.5, ss.742-755, 2008 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 40 Sayı: 5
  • Basım Tarihi: 2008
  • Doi Numarası: 10.1016/j.enbuild.2007.05.009
  • Dergi Adı: ENERGY AND BUILDINGS
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Sayfa Sayıları: ss.742-755
  • Anahtar Kelimeler: geothermal energy, efficiency, energy analysis, exergy analysis, district heating system, optimum pipe diameter, BUILDING APPLICATIONS, TURKEY
  • Dokuz Eylül Üniversitesi Adresli: Evet

Özet

This study deals with determination of optimum pipe diameters based on economic analysis and the performance analysis of geothermal district heating systems along with pipelines using energy and exergy analysis methods. In this regard, the Dikili geothermal district heating system (DGDHS) in Izmir, Turkey is taken as an application place, to which the methods presented here are applied with some assumptions. The system mainly consists of three cycles, namely (i) the transportation network, (ii) the Danistay region, and (iii) the Bariskent region. The thermal capacities of these regions are 21,025 and 7975 kW, respectively, while the supply (flow) and return temperature values of those are 80 and 50 degrees C, respectively.