Hydraulic analysis of compound open channel
<span style="font-size: 9.0pt; line-height: 115%; font-family: 'Arial','sans-serif'; mso-ascii-theme-font: minor-bidi; mso-fareast-font-family: 'Times New Roman'; mso-fareast-theme-font: minor-fareast; mso-hansi-theme-font: minor-bidi; mso-bidi-theme-font: minor...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Razi University
2015-07-01
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| Series: | Journal of Applied Research in Water and Wastewater |
| Subjects: | |
| Online Access: | https://arww.razi.ac.ir/article_386_80ea75486029ab4464a9373752c4af31.pdf |
| _version_ | 1818832896510656512 |
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| author | Abbas Parsaei Amir Hamzeh Haghiabi |
| author_facet | Abbas Parsaei Amir Hamzeh Haghiabi |
| author_sort | Abbas Parsaei |
| collection | DOAJ |
| description | <span style="font-size: 9.0pt; line-height: 115%; font-family: 'Arial','sans-serif'; mso-ascii-theme-font: minor-bidi; mso-fareast-font-family: 'Times New Roman'; mso-fareast-theme-font: minor-fareast; mso-hansi-theme-font: minor-bidi; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;">Distribution of velocity of flow in compound open channel due to interaction of floodplains and main channel is </span><span style="font-size: 9.0pt; line-height: 115%; font-family: 'Arial','sans-serif'; mso-ascii-theme-font: minor-bidi; mso-fareast-font-family: 'Times New Roman'; mso-fareast-theme-font: minor-fareast; mso-hansi-theme-font: minor-bidi; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;" lang="EN">strongly non-uniform. </span><span style="font-size: 9.0pt; line-height: 115%; font-family: 'Arial','sans-serif'; mso-ascii-theme-font: minor-bidi; mso-fareast-font-family: 'Times New Roman'; mso-fareast-theme-font: minor-fareast; mso-hansi-theme-font: minor-bidi; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;">Defining the distribution of flow velocity is an important factor in calculation of sediment transport and estimation of flow discharge. One of the correction factors in calculation of flow discharge and shear stress are momentum</span><span style="font-size: 9.0pt; line-height: 115%; font-family: 'Arial','sans-serif'; mso-ascii-theme-font: minor-bidi; mso-fareast-font-family: 'Times New Roman'; mso-fareast-theme-font: minor-fareast; mso-hansi-theme-font: minor-bidi; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;"> and energy </span><span style="font-size: 9.0pt; line-height: 115%; font-family: 'Arial','sans-serif'; mso-ascii-theme-font: minor-bidi; mso-fareast-font-family: 'Times New Roman'; mso-fareast-theme-font: minor-fareast; mso-hansi-theme-font: minor-bidi; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;"> coefficients. In this study, the effect of </span><span style="font-size: 9.0pt; line-height: 115%; font-family: 'Arial','sans-serif'; mso-ascii-theme-font: minor-bidi; mso-fareast-font-family: 'Times New Roman'; mso-fareast-theme-font: minor-fareast; mso-hansi-theme-font: minor-bidi; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;"> and </span><span style="font-size: 9.0pt; line-height: 115%; font-family: 'Arial','sans-serif'; mso-ascii-theme-font: minor-bidi; mso-fareast-font-family: 'Times New Roman'; mso-fareast-theme-font: minor-fareast; mso-hansi-theme-font: minor-bidi; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;"> coefficients on Froude number and specific energy are assessed. Stage-discharge relationship in compound open channel was assessed using some empirical formula including Single-Channel Method (SCM), Divided-Channel Method (DCM), and modified divided-channel method (MDCM) and compared with together. When the discharge only flows in main channel all the empirical has a same result whereas by increasing the discharge and covering the floodplains by flow the results of them are different. The highest value of outcome of empirical formula is related to the SCM. Results indicated that considering the energy and momentum coefficients have significant effect on distribution of Froude number and specific energy.</span>
<span style="font-size: 9.0pt; line-height: 115%; font-family: 'Arial','sans-serif'; mso-ascii-theme-font: minor-bidi; mso-fareast-font-family: 'Times New Roman'; mso-fareast-theme-font: minor-fareast; mso-hansi-theme-font: minor-bidi; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;">Distribution of velocity of flow in compound open channel due to interaction of floodplains and main channel is </span><span style="font-size: 9.0pt; line-height: 115%; font-family: 'Arial','sans-serif'; mso-ascii-theme-font: minor-bidi; mso-fareast-font-family: 'Times New Roman'; mso-fareast-theme-font: minor-fareast; mso-hansi-theme-font: minor-bidi; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;" lang="EN">strongly non-uniform. </span><span style="font-size: 9.0pt; line-height: 115%; font-family: 'Arial','sans-serif'; mso-ascii-theme-font: minor-bidi; mso-fareast-font-family: 'Times New Roman'; mso-fareast-theme-font: minor-fareast; mso-hansi-theme-font: minor-bidi; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;">Defining the distribution of flow velocity is an important factor in calculation of sediment transport and estimation of flow discharge. One of the correction factors in calculation of flow discharge and shear stress are momentum</span>
<span style="font-size: 9.0pt; line-height: 115%; font-family: 'Arial','sans-serif'; mso-ascii-theme-font: minor-bidi; mso-fareast-font-family: 'Times New Roman'; mso-fareast-theme-font: minor-fareast; mso-hansi-theme-font: minor-bidi; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;"> and energy </span>
<span style="font-size: 9.0pt; line-height: 115%; font-family: 'Arial','sans-serif'; mso-ascii-theme-font: minor-bidi; mso-fareast-font-family: 'Times New Roman'; mso-fareast-theme-font: minor-fareast; mso-hansi-theme-font: minor-bidi; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;"> coefficients. In this study, the effect of </span>
<span style="font-size: 9.0pt; line-height: 115%; font-family: 'Arial','sans-serif'; mso-ascii-theme-font: minor-bidi; mso-fareast-font-family: 'Times New Roman'; mso-fareast-theme-font: minor-fareast; mso-hansi-theme-font: minor-bidi; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;"> and </span>
<span style="font-size: 9.0pt; line-height: 115%; font-family: 'Arial','sans-serif'; mso-ascii-theme-font: minor-bidi; mso-fareast-font-family: 'Times New Roman'; mso-fareast-theme-font: minor-fareast; mso-hansi-theme-font: minor-bidi; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;"> coefficients on Froude number and specific energy are assessed. Stage-discharge relationship in compound open channel was assessed using some empirical formula including Single-Channel Method (SCM), Divided-Channel Method (DCM), and modified divided-channel method (MDCM) and compared with together. When the discharge only flows in main channel all the empirical has a same result whereas by increasing the discharge and covering the floodplains by flow the results of them are different. The highest value of outcome of empirical formula is related to the SCM. Results indicated that considering the energy and momentum coefficients have significant effect on distribution of Froude number and specific energy.</span> |
| first_indexed | 2024-12-19T02:10:19Z |
| format | Article |
| id | doaj.art-3610ce882b1d4f319d982801d06d4827 |
| institution | Directory Open Access Journal |
| issn | 2476-6283 2476-6283 |
| language | English |
| last_indexed | 2024-12-19T02:10:19Z |
| publishDate | 2015-07-01 |
| publisher | Razi University |
| record_format | Article |
| series | Journal of Applied Research in Water and Wastewater |
| spelling | doaj.art-3610ce882b1d4f319d982801d06d48272022-12-21T20:40:47ZengRazi UniversityJournal of Applied Research in Water and Wastewater2476-62832476-62832015-07-0121137142386Hydraulic analysis of compound open channelAbbas Parsaei0Amir Hamzeh Haghiabi1Department of water Engineering, Lorestan University, Khorramabad, Iran.Department of water Engineering, Lorestan University, Khorramabad, Iran.<span style="font-size: 9.0pt; line-height: 115%; font-family: 'Arial','sans-serif'; mso-ascii-theme-font: minor-bidi; mso-fareast-font-family: 'Times New Roman'; mso-fareast-theme-font: minor-fareast; mso-hansi-theme-font: minor-bidi; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;">Distribution of velocity of flow in compound open channel due to interaction of floodplains and main channel is </span><span style="font-size: 9.0pt; line-height: 115%; font-family: 'Arial','sans-serif'; mso-ascii-theme-font: minor-bidi; mso-fareast-font-family: 'Times New Roman'; mso-fareast-theme-font: minor-fareast; mso-hansi-theme-font: minor-bidi; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;" lang="EN">strongly non-uniform. </span><span style="font-size: 9.0pt; line-height: 115%; font-family: 'Arial','sans-serif'; mso-ascii-theme-font: minor-bidi; mso-fareast-font-family: 'Times New Roman'; mso-fareast-theme-font: minor-fareast; mso-hansi-theme-font: minor-bidi; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;">Defining the distribution of flow velocity is an important factor in calculation of sediment transport and estimation of flow discharge. One of the correction factors in calculation of flow discharge and shear stress are momentum</span><span style="font-size: 9.0pt; line-height: 115%; font-family: 'Arial','sans-serif'; mso-ascii-theme-font: minor-bidi; mso-fareast-font-family: 'Times New Roman'; mso-fareast-theme-font: minor-fareast; mso-hansi-theme-font: minor-bidi; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;"> and energy </span><span style="font-size: 9.0pt; line-height: 115%; font-family: 'Arial','sans-serif'; mso-ascii-theme-font: minor-bidi; mso-fareast-font-family: 'Times New Roman'; mso-fareast-theme-font: minor-fareast; mso-hansi-theme-font: minor-bidi; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;"> coefficients. In this study, the effect of </span><span style="font-size: 9.0pt; line-height: 115%; font-family: 'Arial','sans-serif'; mso-ascii-theme-font: minor-bidi; mso-fareast-font-family: 'Times New Roman'; mso-fareast-theme-font: minor-fareast; mso-hansi-theme-font: minor-bidi; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;"> and </span><span style="font-size: 9.0pt; line-height: 115%; font-family: 'Arial','sans-serif'; mso-ascii-theme-font: minor-bidi; mso-fareast-font-family: 'Times New Roman'; mso-fareast-theme-font: minor-fareast; mso-hansi-theme-font: minor-bidi; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;"> coefficients on Froude number and specific energy are assessed. Stage-discharge relationship in compound open channel was assessed using some empirical formula including Single-Channel Method (SCM), Divided-Channel Method (DCM), and modified divided-channel method (MDCM) and compared with together. When the discharge only flows in main channel all the empirical has a same result whereas by increasing the discharge and covering the floodplains by flow the results of them are different. The highest value of outcome of empirical formula is related to the SCM. Results indicated that considering the energy and momentum coefficients have significant effect on distribution of Froude number and specific energy.</span> <span style="font-size: 9.0pt; line-height: 115%; font-family: 'Arial','sans-serif'; mso-ascii-theme-font: minor-bidi; mso-fareast-font-family: 'Times New Roman'; mso-fareast-theme-font: minor-fareast; mso-hansi-theme-font: minor-bidi; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;">Distribution of velocity of flow in compound open channel due to interaction of floodplains and main channel is </span><span style="font-size: 9.0pt; line-height: 115%; font-family: 'Arial','sans-serif'; mso-ascii-theme-font: minor-bidi; mso-fareast-font-family: 'Times New Roman'; mso-fareast-theme-font: minor-fareast; mso-hansi-theme-font: minor-bidi; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;" lang="EN">strongly non-uniform. </span><span style="font-size: 9.0pt; line-height: 115%; font-family: 'Arial','sans-serif'; mso-ascii-theme-font: minor-bidi; mso-fareast-font-family: 'Times New Roman'; mso-fareast-theme-font: minor-fareast; mso-hansi-theme-font: minor-bidi; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;">Defining the distribution of flow velocity is an important factor in calculation of sediment transport and estimation of flow discharge. One of the correction factors in calculation of flow discharge and shear stress are momentum</span> <span style="font-size: 9.0pt; line-height: 115%; font-family: 'Arial','sans-serif'; mso-ascii-theme-font: minor-bidi; mso-fareast-font-family: 'Times New Roman'; mso-fareast-theme-font: minor-fareast; mso-hansi-theme-font: minor-bidi; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;"> and energy </span> <span style="font-size: 9.0pt; line-height: 115%; font-family: 'Arial','sans-serif'; mso-ascii-theme-font: minor-bidi; mso-fareast-font-family: 'Times New Roman'; mso-fareast-theme-font: minor-fareast; mso-hansi-theme-font: minor-bidi; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;"> coefficients. In this study, the effect of </span> <span style="font-size: 9.0pt; line-height: 115%; font-family: 'Arial','sans-serif'; mso-ascii-theme-font: minor-bidi; mso-fareast-font-family: 'Times New Roman'; mso-fareast-theme-font: minor-fareast; mso-hansi-theme-font: minor-bidi; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;"> and </span> <span style="font-size: 9.0pt; line-height: 115%; font-family: 'Arial','sans-serif'; mso-ascii-theme-font: minor-bidi; mso-fareast-font-family: 'Times New Roman'; mso-fareast-theme-font: minor-fareast; mso-hansi-theme-font: minor-bidi; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;"> coefficients on Froude number and specific energy are assessed. Stage-discharge relationship in compound open channel was assessed using some empirical formula including Single-Channel Method (SCM), Divided-Channel Method (DCM), and modified divided-channel method (MDCM) and compared with together. When the discharge only flows in main channel all the empirical has a same result whereas by increasing the discharge and covering the floodplains by flow the results of them are different. The highest value of outcome of empirical formula is related to the SCM. Results indicated that considering the energy and momentum coefficients have significant effect on distribution of Froude number and specific energy.</span>https://arww.razi.ac.ir/article_386_80ea75486029ab4464a9373752c4af31.pdfStage-discharge relationship Flow discharge Velocity distribution Energy and momentum coefficients |
| spellingShingle | Abbas Parsaei Amir Hamzeh Haghiabi Hydraulic analysis of compound open channel Journal of Applied Research in Water and Wastewater Stage-discharge relationship Flow discharge Velocity distribution Energy and momentum coefficients |
| title | Hydraulic analysis of compound open channel |
| title_full | Hydraulic analysis of compound open channel |
| title_fullStr | Hydraulic analysis of compound open channel |
| title_full_unstemmed | Hydraulic analysis of compound open channel |
| title_short | Hydraulic analysis of compound open channel |
| title_sort | hydraulic analysis of compound open channel |
| topic | Stage-discharge relationship Flow discharge Velocity distribution Energy and momentum coefficients |
| url | https://arww.razi.ac.ir/article_386_80ea75486029ab4464a9373752c4af31.pdf |
| work_keys_str_mv | AT abbasparsaei hydraulicanalysisofcompoundopenchannel AT amirhamzehhaghiabi hydraulicanalysisofcompoundopenchannel |