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wei guan mao guan shui li ji suan qu xian tu ji qi ying yong ( jun yun guan po ) wei guan shui li she ji ji suan fang fa tan tao zhi si
Author(s): 
Pages: 17-22+63-64
Year: Issue:  2
Journal: Water Saving Irrigation

Keyword:  micro-Irrigation laterhydraulic calculationdiagram.;
Abstract: Hydraulic design of micro—irrigation lateral requires the calculation of the minimum pressure hole to decide the place of the maximum pressure hole, maximum deviation in micro-irrigation laterals and limit length. There is a large amount of work load in designing and calculation though an analytic formulation has been proposed. In order to reduce the workload of technicians, and raise their working efficiency, this paper calculates the place of the minimum pressure hole, of which the pressure should be no less than minimum pressure of the hole at the end, maximum deviation in micro-irrigation laterals and limit length are all drawn up into a diagram, it is convenient for designers.
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