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dc.contributor.author | 中川, 博次 | ja |
dc.contributor.alternative | NAKAGAWA, Hiroji | en |
dc.date.accessioned | 2009-01-29T05:05:10Z | - |
dc.date.available | 2009-01-29T05:05:10Z | - |
dc.date.issued | 1965-03-01 | - |
dc.identifier.issn | 0386-412X | - |
dc.identifier.uri | http://hdl.handle.net/2433/69224 | - |
dc.description.abstract | "Forced hydraulic jump" is defined as a jump which is formed forcibly by the stillingbasin appurtenances when the jump would he swept out due to insufficient tailwater depth.Although a great number of tests have been conducted on hydraulic-jump-type stilling basinswith various appurtenances, up to date, analytical data are not enough to explain the flowbehaviours in the basin and to develop a general design procedure of the structures.The object of the study described herein is to investigate the performance of the secondarydam with a trapezoidal shape under overflow condition, which is widely used as the stillingbasin structures of the flood-control projects. It is a peculiar phenomena exhibited in thistype of the basin that a stable jump formed in the basin abruptly changes into supercritical flowcondition at a certain discharge increase, and vice versa. In this paper, the flow characteristicsunder these critical states which represent a transition region between a normal jump and a"forced jump", are presented. Under a "jump-spray" critical state, the experimental datashows that a stable jump is formed in smaller length than that of a normal jump and that thepressure terms included in the momentum equations should be compensated for hydrostaticpressure distribution. Under "spray-jump" critical state, the theoretical solutions based onthe momentum and energy equations show good agreement with the experimental results. | 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 | 517.7 | - |
dc.title | 強制跳水に関する研究(1) ―台形副ダムによる跳水特性― | ja |
dc.title.alternative | STUDIES ON FORCED HYDRAULIC JUMP (1) Several Features of Hydraulic Jump Formed by the Secondary Dam with a Trapezoidal Shape | en |
dc.type | departmental bulletin paper | - |
dc.type.niitype | Departmental Bulletin Paper | - |
dc.identifier.ncid | AN10334870 | - |
dc.identifier.jtitle | 京都大学防災研究所年報 | ja |
dc.identifier.volume | 8 | - |
dc.identifier.spage | 235 | - |
dc.identifier.epage | 244 | - |
dc.textversion | publisher | - |
dc.sortkey | 23 | - |
dc.relation.url | http://www.dpri.kyoto-u.ac.jp/nenpo/nenpo.html | - |
dcterms.accessRights | open access | - |
dc.identifier.jtitle-alternative | Disaster Prevention Research Institute Annuals | en |
出現コレクション: | No.8 |
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