Journal of Thermal Analysis and Calorimetry (2021) 144:2627–2639 https://doi.org/10.1007/s10973-020-10480-w Numerical study on heat loss from the surface of solar collector tube filled by oil‑NE‑PCM/Al2O3 in the presence of the magnetic field Nidal H....
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Journal of Thermal Analysis and Calorimetry (2021) 144:2627–2639 https://doi.org/10.1007/s10973-020-10480-w Numerical study on heat loss from the surface of solar collector tube filled by oil‑NE‑PCM/Al2O3 in the presence of the magnetic field Nidal H. Abu‑Hamdeh1 · Abdullah M. Abusorrah2 · Mohannad M. Bayoumi3 · Hakan F. Oztop4,5 · Chuan Sun6,7 Received: 22 November 2020 / Accepted: 9 December 2020 / Published online: 6 February 2021 © Akadémiai Kiadó, Budapest, Hungary 2021 Abstract The natural convection of the oil-NE-PCM/Al2O3 inside the parabolic trough collector is studied. To simulate nanoencap- sulate-phase change material (NE-PCM), the core PCM is made of n-nonadecane encapsulated in a shell of polyurethane. Density and specific heat capacity of NE-PCM are adopted from this ratio. PCMs are known for their thermal storage capability. Nanoparticles dissipation is simulated using Buongiorno’s two-phase model. Solar radiation and heat loss are taken into account. Furthermore, porou
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