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International Journal Of Horticulture, Agriculture And Food Science(IJHAF)

How can identify sensitivity of hydraulic characteristics of irrigation systems?

Mohammad Valipour


International Journal of Horticulture, Agriculture and Food science(IJHAF), Vol-1,Issue-1, May - June 2017, Pages 30-38,

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Due to the benefits of center pivot irrigation system into the other techniques, especially surface irrigation, more accurate design of these systems for saving in water resources, increasing irrigation efficiency, and finally encourage farmers to use of this system (when using this method is economical), recognition of effective parameters on center pivot have a great importance. In this study, using PipeLoss software, amounts of pressure loss, friction slope, inflow velocity, velocity head, and Reynolds number in center pivot systems survived. The results showed that: Pipe inside diameter was more effective than other parameters. Changes of pressure loss, in all cases (except Qs), were the maximum. Changes of velocity head were the maximum in scenarios related to the changes of system discharge. In center pivot system design, should be noted to pipe inside diameter and system discharge as input and pressure loss as output, more than other inputs and outputs parameters.

pressurized irrigation, hydraulic properties, irrigation system design.

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