EQUATIONS FOR DISCHARGE CALCULATION IN COMPOUND CHANNELS HAVING HOMOGENEOUS ROUGHNESS

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HOSSEINI SEYED MAHMOUD

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Journal Paper

Paper Information

Journal: IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION B- ENGINEERING Year:2004 | Volume:28 | Issue:B5 Page(s): 537-546

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Title

EQUATIONS FOR DISCHARGE CALCULATION IN COMPOUND CHANNELS HAVING HOMOGENEOUS ROUGHNESS

Author(s)

HOSSEINI SEYED MAHMOUD | Issue Writer Certificate

Keywords

COMPOUND CHANNEL

COHERENCE

WEIGHTED DIVIDED CHANNEL METHOD

VERTICAL INTERFACE METHOD

Abstract

Although different methods for estimating the discharge capacity of COMPOUND CHANNELs have been developed, no entirely satisfactory method exists. However, a large body of experimental data has now been acquired covering small scale and large scale laboratory COMPOUND CHANNELs. In this paper, discharge characteristics in straight COMPOUND CHANNELs having homogeneous roughness are studied, and a method for discharge calculation in these channels is presented by analysing some experimental results from a United Kingdom flood channel facility (UK-FCF). The approach presented uses two correction coefficients, a and b, which are applied to the component mean velocities predicted by the traditional vertical division method in order to find more accurate values of the mean velocities in the main channel and floodplains. It has been found that a and b can be expressed in terms of two dimensionless parameters of the channel, COHERENCE and the relative depth (ratio of the floodplain depth to the total depth). Although the procedure developed in this study is based on data from UK-FCF, it is simple and shows satisfactory results when compared to the recently developed method by Lambert and Myers, termed the WEIGHTED DIVIDED CHANNEL METHOD, and when applied to the independent data set collected by others.

Cites

FLOW DISCHARGE PREDICTION IN COMPOUND CHANNELS BY USING DECISION MODEL TREE M5

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APA: Copy

HOSSEINI, SEYED MAHMOUD. (2004). EQUATIONS FOR DISCHARGE CALCULATION IN COMPOUND CHANNELS HAVING HOMOGENEOUS ROUGHNESS. IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION B- ENGINEERING, 28(B5), 537-546. SID. https://sid.ir/paper/529185/en

Vancouver: Copy

HOSSEINI SEYED MAHMOUD. EQUATIONS FOR DISCHARGE CALCULATION IN COMPOUND CHANNELS HAVING HOMOGENEOUS ROUGHNESS. IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION B- ENGINEERING[Internet]. 2004;28(B5):537-546. Available from: https://sid.ir/paper/529185/en

IEEE: Copy

SEYED MAHMOUD HOSSEINI, “EQUATIONS FOR DISCHARGE CALCULATION IN COMPOUND CHANNELS HAVING HOMOGENEOUS ROUGHNESS,” IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION B- ENGINEERING, vol. 28, no. B5, pp. 537–546, 2004, [Online]. Available: https://sid.ir/paper/529185/en

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