Study on the Instability Characteristics of Open Channel Hyper-Concentration Flow

Xu, Haijue; Bai, Yuchuan

doi:10.1061/40976(316)469

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“…Unfortunately, the application of the SIC model to the irrigation schemes was unsuccessful, due to the instability of the model while calculating unsteady supercritical flows (Haijue and Yuchuan, 2008;Simons et al, 2000). However, this thesis showed that the HEC-RAS river model can be successfully applied to analyse the role of design and operational modification on sediment transport in small-scale irrigation schemes.…”

Section: Overall Key Research Findings and Limitationsmentioning

confidence: 99%

Challenges and prospects to reduce sedimentation in small-scale irrigation schemes in the Great Rift Valley Basin, Ethiopia

Gurmu

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The sedimentation problem in small-scale irrigation is primarily a design problem (this thesis). 2. Farmers' perceptions are more important for tackling sedimentation problems than the engineers' views (this thesis). 3. Local communities are key to overcoming data scarcity in developing countries. 4. Modernization of irrigation schemes without farmers' capacity development is an act of demodernization. 5. Vision and hope are the driving force that transforms a nation. 6. The lack of passion, rather than workload, makes a job cumbersome.

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Section: Overall Key Research Findings and Limitationsmentioning

confidence: 99%

Challenges and prospects to reduce sedimentation in small-scale irrigation schemes in the Great Rift Valley Basin, Ethiopia

Gurmu

View full text Add to dashboard Cite

show abstract

Study on the Instability Characteristics of Open Channel Hyper-Concentration Flow

Cited by 1 publication

References 2 publications

Challenges and prospects to reduce sedimentation in small-scale irrigation schemes in the Great Rift Valley Basin, Ethiopia

Challenges and prospects to reduce sedimentation in small-scale irrigation schemes in the Great Rift Valley Basin, Ethiopia

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