Numerical investigation on the effect of Al2O3-water nanofluid on direct steam generation in parabolic trough collectors

• Published in: Applied thermal engineering Vol. 241; p. 122300
• Main Authors: Safari Chukami, Babak, Heyhat, Mohammad Mahdi
• Format: Journal Article
• Language: English
• Published: Elsevier Ltd 15.03.2024
• Subjects: CFD simulation; Direct steam generation; Flow boiling; Horizontal tube; Nanofluid; Non-uniform heat flux; Parabolic trough collectors; CFD simulation; Non-uniform heat flux; Flow boiling; Nanofluid; Horizontal tube; Direct steam generation; Parabolic trough collectors

[Display omitted] •Nanofluid flow boiling was simulated under uniform and non-uniform heat fluxes.•Al2O3-water based nanofluids with φ = 0 %, 1 %, 1.5 % and 2 % were considered.•The maximum Nu ratio of non-uniform to uniform heat fluxes was 544%.•Outlet vapor volume fraction was 3.13% more for non-u...