TY - JOUR TI - Numerical analysis of two-phase flow in u-bend pipes: effects of curvature, and pipe orientation on pressure drop and liquid hold-up AU - HASAN, M.Z. AU - MONDAL, D. AU - HALDER, M.R. JO - Journal of Thermal Engineering PY - 2026 VL - 12 SP - 784 EP - 801 DO - 10.14744/thermal.0001119 ER -