Dissipation energy of Flow by Stepped Type Gabion Weir
The energy of flow can be defined in general form as a measure of an object's capability to perform work, and it can be done in many different forms. The present study aims to investigate the dissipated energy of flow in the stepped shape of gabion weir with three steps. A set of 25 laboratory...
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| Veröffentlicht in: | IOP conference series. Materials Science and Engineering 2020-02, Vol.737 (1), p.12158 |
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| creator | Al-Fawzy, A M Al-Mohammed, F M Al-Fatlawi, Th J Al-Zubaidy, R Z |
| description | The energy of flow can be defined in general form as a measure of an object's capability to perform work, and it can be done in many different forms. The present study aims to investigate the dissipated energy of flow in the stepped shape of gabion weir with three steps. A set of 25 laboratory experiments and 175 operation tests were carried out by using a laboratory flume channel with different discharges. The tested gabion weir has five different lengths, and the filling material used is natural quarry gravel with five different median diameter. The experimental data have been analyzed to correlate the energy dissipation with the independent dimensionless terms of the other variables. The results of analysis showed that the energy dissipation has a direct proportion with discharge, and an inverse proportion with both the ratio of length of the third step to total length of the weir, the diameter of the gravel sample, and the porosity in general form, respectively. The concluded equation of energy dissipation gives good agreement for comparison between measured and predicted values of energy dissipation. |
| doi_str_mv | 10.1088/1757-899X/737/1/012158 |
| format | Article |
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The present study aims to investigate the dissipated energy of flow in the stepped shape of gabion weir with three steps. A set of 25 laboratory experiments and 175 operation tests were carried out by using a laboratory flume channel with different discharges. The tested gabion weir has five different lengths, and the filling material used is natural quarry gravel with five different median diameter. The experimental data have been analyzed to correlate the energy dissipation with the independent dimensionless terms of the other variables. The results of analysis showed that the energy dissipation has a direct proportion with discharge, and an inverse proportion with both the ratio of length of the third step to total length of the weir, the diameter of the gravel sample, and the porosity in general form, respectively. The concluded equation of energy dissipation gives good agreement for comparison between measured and predicted values of energy dissipation.</description><identifier>ISSN: 1757-8981</identifier><identifier>EISSN: 1757-899X</identifier><identifier>DOI: 10.1088/1757-899X/737/1/012158</identifier><language>eng</language><publisher>Bristol: IOP Publishing</publisher><subject>Diameters ; dimensional analysis ; Discharge ; Energy dissipation ; gabion weir ; Gabions ; Gravel ; Laboratories ; physical models ; stepped weirs</subject><ispartof>IOP conference series. Materials Science and Engineering, 2020-02, Vol.737 (1), p.12158</ispartof><rights>Published under licence by IOP Publishing Ltd</rights><rights>2020. This work is published under http://creativecommons.org/licenses/by/3.0/ (the “License”). 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The results of analysis showed that the energy dissipation has a direct proportion with discharge, and an inverse proportion with both the ratio of length of the third step to total length of the weir, the diameter of the gravel sample, and the porosity in general form, respectively. The concluded equation of energy dissipation gives good agreement for comparison between measured and predicted values of energy dissipation.</description><subject>Diameters</subject><subject>dimensional analysis</subject><subject>Discharge</subject><subject>Energy dissipation</subject><subject>gabion weir</subject><subject>Gabions</subject><subject>Gravel</subject><subject>Laboratories</subject><subject>physical models</subject><subject>stepped weirs</subject><issn>1757-8981</issn><issn>1757-899X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>O3W</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNqFkE9Lw0AQxRdRsFa_ggS8eInZ2X9JjlLbKlQ8tKK3JZvsSkrNrrspkm9vQqQiCJ5mmHm_N8xD6BLwDeAsSyDlaZzl-WuS0jSBBAMBnh2hyWFxfOgzOEVnIWwxFiljeILEXR1C7Yq2tk2kG-3fusiaaLGzn5HqonWrndNVtOmcjpaFGlQvuvbn6MQUu6AvvusUPS_mm9l9vHpaPsxuV3HJcNrGwghMQEPJKC1NKZjgjOsCCkqxYazgGpdAKpIrnhpFq36QUyVIiRVTFGM6RVejr_P2Y69DK7d275v-pCRcQJ5TAbxXiVFVehuC10Y6X78XvpOA5ZCRHN6XQxSyz0iCHDPqQTKCtXU_zv9C139Aj-v5L5l0laFfJSx0dg</recordid><startdate>20200201</startdate><enddate>20200201</enddate><creator>Al-Fawzy, A M</creator><creator>Al-Mohammed, F M</creator><creator>Al-Fatlawi, Th J</creator><creator>Al-Zubaidy, R Z</creator><general>IOP Publishing</general><scope>O3W</scope><scope>TSCCA</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>KB.</scope><scope>L6V</scope><scope>M7S</scope><scope>PDBOC</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope></search><sort><creationdate>20200201</creationdate><title>Dissipation energy of Flow by Stepped Type Gabion Weir</title><author>Al-Fawzy, A M ; Al-Mohammed, F M ; Al-Fatlawi, Th J ; Al-Zubaidy, R Z</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c407t-6f6021e1c433cfc646545ea1a330f44a5e0c12d29b57fb3da5e93b62c0b4b3003</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Diameters</topic><topic>dimensional analysis</topic><topic>Discharge</topic><topic>Energy dissipation</topic><topic>gabion weir</topic><topic>Gabions</topic><topic>Gravel</topic><topic>Laboratories</topic><topic>physical models</topic><topic>stepped weirs</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Al-Fawzy, A M</creatorcontrib><creatorcontrib>Al-Mohammed, F M</creatorcontrib><creatorcontrib>Al-Fatlawi, Th J</creatorcontrib><creatorcontrib>Al-Zubaidy, R Z</creatorcontrib><collection>IOP Publishing Free Content</collection><collection>IOPscience (Open Access)</collection><collection>CrossRef</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>Materials Science Database</collection><collection>ProQuest Engineering Collection</collection><collection>Engineering Database</collection><collection>Materials Science Collection</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Engineering Collection</collection><jtitle>IOP conference series. Materials Science and Engineering</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Al-Fawzy, A M</au><au>Al-Mohammed, F M</au><au>Al-Fatlawi, Th J</au><au>Al-Zubaidy, R Z</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Dissipation energy of Flow by Stepped Type Gabion Weir</atitle><jtitle>IOP conference series. Materials Science and Engineering</jtitle><addtitle>IOP Conf. Ser.: Mater. Sci. Eng</addtitle><date>2020-02-01</date><risdate>2020</risdate><volume>737</volume><issue>1</issue><spage>12158</spage><pages>12158-</pages><issn>1757-8981</issn><eissn>1757-899X</eissn><abstract>The energy of flow can be defined in general form as a measure of an object's capability to perform work, and it can be done in many different forms. The present study aims to investigate the dissipated energy of flow in the stepped shape of gabion weir with three steps. A set of 25 laboratory experiments and 175 operation tests were carried out by using a laboratory flume channel with different discharges. The tested gabion weir has five different lengths, and the filling material used is natural quarry gravel with five different median diameter. The experimental data have been analyzed to correlate the energy dissipation with the independent dimensionless terms of the other variables. The results of analysis showed that the energy dissipation has a direct proportion with discharge, and an inverse proportion with both the ratio of length of the third step to total length of the weir, the diameter of the gravel sample, and the porosity in general form, respectively. 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| subjects | Diameters dimensional analysis Discharge Energy dissipation gabion weir Gabions Gravel Laboratories physical models stepped weirs |
| title | Dissipation energy of Flow by Stepped Type Gabion Weir |
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