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- Title
Application of unsteady flow analysis in designing a multiple outlets sprinkler irrigation system.
- Authors
Man Trung; Soichi Nishiyama; Hisao Anyoji
- Abstract
Abstract  A simplified method has been developed for designing and calculating sprinkling systems by cutting lines across laterals at points next to the first sprinkler with a view to divide the system into two separate parts; field and basic. Equations of lateral pressure heads were used to express the relationship between inlet pressure head and velocity of the flow pumped to laterals on the field part. The above equations were then used to set up calculating conditions for the Basic part by unsteady flow method in order to define head and discharge at downstream end of the pipe in the Basic part. The forward step method was used for determining distributions of the pressure head and the emitter discharge along each lateral. A calculating schema on computer has been carried out in order to apply the method to any sprinkling system. The procedure of analysis and calculation showed that this method is generally accurate, simple and rapid.
- Subjects
SPRINKLER irrigation; WATER in agriculture; IRRIGATION; FLUID dynamics
- Publication
Paddy & Water Environment, 2007, Vol 5, Issue 3, p181
- ISSN
1611-2490
- Publication type
Article
- DOI
10.1007/s10333-007-0071-0