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- W2380554287 abstract "The experimental scheme of shape optimization of trans ve rsely-ridged tube was planned by orthogonal test.The turbulent flow and heat tr ansfer inside every experimental tube were numerically simulated by considering constant property, periodically developed flow and uniform wall temperature. Sim ulation was conducted by the standard K-e turbulent model and velocity two -layer zonal model. The numerical results were validated with experimental data or classical data for transversely-ridged tube and smooth tube respectively. η, Nu/Nu_ s and f/f_ s were presented for every experimental case .The effects of the shape parameters—e/d,p/d, a/e of transversely-rid ged tube and the flow parameter—Reynolds number on the thermal-hydraulic perfo rmance were analyzed.The results showed that pitch—p/d and rib shape——a /e were the predominant configuration factors and rib height——e/d was no t as important as the former ones within the experimental range. The heat trans fer efficiency index was found to be strongly influenced by Reynolds number,decr easing sharply with increasing Reynolds number.The optimum configuration was bro ught forward by analyzing the results of orthogonal test." @default.
- W2380554287 created "2016-06-24" @default.
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- W2380554287 date "2005-01-01" @default.
- W2380554287 modified "2023-09-26" @default.
- W2380554287 title "Shape optimization of transversely-ridged tube by orthogonal numerical simulation test" @default.
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