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Effect of Soil Topography on Center Pivot Sprinkler Irrigation System | ||
| Thi-Qar University Journal for Engineering Sciences | ||
| Article 1, Volume 3, Issue 1, 2012, Pages 37-59 | ||
| Abstract | ||
| This study consist performance evaluation of Center Pivot Sprinkler Irrigation System in various cases of topography with based on a certain model ,the model is applied to difference cases of topography with uniformity slopes up hill and down hill .The equilibrium between characterize of system operation and requirement of model operation in topography is study, the uniformity with which a sprinkler irrigation system applies water is an important aspect of that system performance and should be consider in design and management this system, this is achieved by determine uniformity coefficient, therefore this study also consist effect of topography on uniformity under different case of soil topography . Result have been shown for case of equilibrium between pump and irrigation system that pressure head at the beginning of pipe will increase when was up hill slope but inflow decrease because deficit in pressure head and flow rate at middle and end of pipe and vice verse .Also the study showed that effect of topography on uniformity in center pivot is limited although a large change in pressure head and flow-rate along the pipe ,and can be say that it is return to nature of change in flow-rate and Christiansen's coefficient which it used to characterize water distribution uniformity. | ||
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