Study of flow characteristics within randomly distributed submerged rigid vegetation
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Flow through submerged rigid vegetation has been studied both analytically and experimentally. The Reynolds stress, present in the governing equation, has been modeled using one of the turbulent stress equations, adopted in numerous cases. The advantage of this turbulent stress model is to replace the mixing length nonlinear term of the stress with a linear relation between stress and the velocity gradient. The velocity field and shear stress are obtained by solving the governing force balance equation numerically. A correlation, validated with the experimental results, has been developed for the relevant non-dimensional numbers.
Key wordsSubmerged vegetation Reynolds stress drag force stream wise velocity
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