Flow Characteristics in Rivers through the Relationship between Flow Depth and Velocity Distribution
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International Journal of Recent Engineering Science (IJRES) |  |
| © 2025 by IJRES Journal | ||
| Volume-12 Issue-2 |
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| Year of Publication : 2025 | ||
| Authors : Ayeni. A. T, Folorunso. O. P, Ayeni. O.O |
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| DOI : 10.14445/23497157/IJRES-V12I2P110 |
How to Cite?
Ayeni. A. T, Folorunso. O. P, Ayeni. O.O, "Flow Characteristics in Rivers through the Relationship between Flow Depth and Velocity Distribution," International Journal of Recent Engineering Science, vol. 12, no. 2, pp. 92-103, 2025. Crossref, https://doi.org/10.14445/23497157/IJRES-V12I2P110
Abstract
This study examines the flow characteristics of the upstream, midstream and downstream sections of River Ogbesse by analyzing the relationship between velocity variations and depth of flow across transect points. Results indicate a consistent relationship, with velocity decreasing as depth decreases due to increased frictional resistance in shallower flows. At depths of 1.25 meters, velocity values were highest, ranging from 0.885 to 0.939 m/s across transect points, while at depths of 0.25 meters, velocities reduced significantly to values between 0.146 and 0.155 m/s. This uniform trend highlights the critical role of depth in regulating flow dynamics, as deeper flows experience reduced friction from the channel bed and banks, facilitating faster velocities.The findings align with established hydraulic theories and emphasize the interplay of depth, velocity, and roughness in natural channels. Localized variations in velocity across transects are attributed to channel-specific factors, including width, slope, and roughness, underscoring the complex dynamics of flow behaviour. These insights are essential for hydraulic structure design, enabling improved predictions of flow dynamics for flood control, erosion prevention, and efficient water transport. The study provides valuable site-specific data that contribute to a broader understanding of river hydraulics, supporting sustainable water resource management.
Keywords
Depth of flow, Frictional resistance, River Ogbesse, Inverse Relationship.
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