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https://hdl.handle.net/10356/95296
Title: | Hydraulic jump analysis for a Bingham fluid | Authors: | Zhou, Jian Guo Shu, Jian Jun Stansby, P. K. |
Keywords: | DRNTU::Engineering::Mechanical engineering | Issue Date: | 2007 | Source: | Zhou, J. G., Shu, J. J., & Stansby, P. K. (2007). Hydraulic jump analysis for a Bingham fluid. Journal of hydraulic research, 45(4), 555-562. | Series/Report no.: | Journal of hydraulic research | Abstract: | A theoretical study of the hydraulic jump in a Bingham fluid is presented in this paper. Based on the approximation for lubrication theory, the formulae for conjugate depths, sequent bottom shear stress and critical depth are established. Due to the absence of an exact solution of the basic equations for conjugate depths, an analytical approximation has been developed. This formula is shown to provide good results, with a small error of less than 4%. The analytical results have revealed that the critical depth and the ratio of conjugate depths increase until the bottom shear stress reaches a certain value and decreases above that. Both the critical depth and the ratio of conjugate depths have maximum values where the critical flow or the jump is coupled between the effects of shear-free and shear regions. Reasonable agreement is achieved between the theoretical results and experimental data for conjugate and critical depths. The observation that the critical depth increases greatly when the dimensionless yield stress λ ≥ 0.1 in the experiment provides further justification for the theoretical approach. | URI: | https://hdl.handle.net/10356/95296 http://hdl.handle.net/10220/8862 |
DOI: | 10.1080/00221686.2007.9521791 | Schools: | School of Mechanical and Aerospace Engineering | Rights: | © 2007 International Association of Hydraulic Engineering and Research. This is the author created version of a work that has been peer reviewed and accepted for publication by International Journal of hydraulic research, International Association of Hydraulic Engineering and Research. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at [DOI: http://dx.doi.org/10.1080/00221686.2007.9521791]. | Fulltext Permission: | open | Fulltext Availability: | With Fulltext |
Appears in Collections: | MAE Journal Articles |
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