Akademik Veri Yönetim Sistemi
Turkish World: Social Sciences and Engineering Collaborations Symposium, Toskent, Özbekistan, 5 - 06 Mayıs 2025, (Yayınlanmadı)
Thermal Energy Storage systems and Borehole Heat Exchangers are critical to renewable energy systems. In this work, the thermal conductivity behavior of igneous, metamorphic, and sedimentary rock types is estimated from their mineral composition, texture, and silica-iron contents. In general, the rocks with higher quartz content are superior in terms of thermal properties, while sedimentary rocks have lower conductivity due to porosity and structure. Field data from the Ankara region also reflect this variety. The minimum borehole thermal conductivities were in sandstone from the Gölbaşı Formation (1.221 W/m·K) and alluvial deposits (1.155 W/m·K). On the other hand, the highest values were in Bozçaldağ Formation marble (2.243 W/m·K) and Dereköy Ophiolite Melange gabbro (2.265 W/m·K). These findings indicate the fundamental role of geological assessment in optimizing the design of the BHE system and comprehensive improvement of TES performance.