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本《规范》第五章列出了计算喷灌系统(管网)设计流量的公式。第一个公式是按同时工作喷头数或支管数,乘喷头或支管的额定流量得管网总流量。这适用于管网控制面积较小时,可从田间轮灌设计一直推算到管网首部,一次推求出整个管网的设计流量。第二个公式,是在管网控制面积较大时,将管网分成田间管网和骨干管网,用取
Chapter 5 of this Code lists the formulas for calculating the design flow of a sprinkler system (pipe network). The first formula is based on the number of simultaneous nozzle work or the number of branches, by the nozzle or branch of the rated flow of the total network traffic flow. This applies to the pipe network control area is small, can be estimated from the field of wheel irrigation design to the first pipe network, a push to find the design of the entire network flow. The second formula is in pipe network control area is larger, the pipe network is divided into the field pipe network and the backbone network, with