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dc.contributor.author | 禰津, 家久 | ja |
dc.contributor.author | 中川, 博次 | ja |
dc.contributor.alternative | NEZU, Iehisa | en |
dc.contributor.alternative | NAKAGAWA, Hiroji | en |
dc.date.accessioned | 2009-04-09T05:47:30Z | - |
dc.date.available | 2009-04-09T05:47:30Z | - |
dc.date.issued | 1986-04-01 | - |
dc.identifier.issn | 0386-412X | - |
dc.identifier.uri | http://hdl.handle.net/2433/71937 | - |
dc.description.abstract | Numerical calculation techniques of turbulent shear flows are classified into two categories:one is K-e turbulence model and the other is large eddy simulation (LES). The standard K-emodel has been established at present to predict turbulent structure in closed duct flows, whileLES is being developed to predict coherent eddy structure in more simple duct flows. Thestandard K-e model cannot be, however, applied to open channel surface flows, because theturbulence near the free surface is more depressed than the closed duct flows.In the present study a new modified K-e model is proposed to predict reasonably the turbulentstructure in open channel flows with both of low and high Reynolds numbers. The numericalcalculations indicate a splendid agreement with the experimental data which were obtained bymaking use of hot-film and Laser Doppler anemometers. | en |
dc.format.mimetype | application/pdf | - |
dc.language.iso | jpn | - |
dc.publisher | 京都大学防災研究所 | ja |
dc.publisher.alternative | Disaster Prevention Research Institute, Kyoto University | en |
dc.subject.ndc | 517.1 | - |
dc.subject.ndc | 423.84 | - |
dc.title | 自由水面を考慮した開水路乱流の数値計算手法-修正 K-ε 乱流モデルによる解法- | ja |
dc.title.alternative | NUMERICAL CALCULATION OF TURBULENT OPEN-CHANNELFLOWS IN CONSIDERATION OF FREE-SURFACE EFFECTS-COMPUTER SIMULATION BY A MODIFIED K-ε TURBULENCE MODEL- | en |
dc.type | departmental bulletin paper | - |
dc.type.niitype | Departmental Bulletin Paper | - |
dc.identifier.ncid | AN00027784 | - |
dc.identifier.jtitle | 京都大学防災研究所年報. B | ja |
dc.identifier.volume | 29 | - |
dc.identifier.issue | B-2 | - |
dc.identifier.spage | 647 | - |
dc.identifier.epage | 673 | - |
dc.textversion | publisher | - |
dc.sortkey | 41 | - |
dc.relation.url | http://www.dpri.kyoto-u.ac.jp/nenpo/nenpo.html | - |
dcterms.accessRights | open access | - |
dc.identifier.pissn | 0386-412X | - |
dc.identifier.jtitle-alternative | Disaster Prevention Research Institute Annuals. B | en |
出現コレクション: | No.29 B-2 |
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