TI - Improvement of the thermal performances of a parabolic trough solar concentrator with concentric receiver tube and nanofluid AU - GUERRAICHE, D. AU - ZOUGGAR, K. AU - GUERRAICHE, K. AU - TAHIRI, A. AU - DRISS, Z. AU - BOUGRIOU, C. AU - YAHA, A. SO - Journal of Thermal Engineering 2026;12:128-143. DO - 10.14744/thermal.0001064