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摘要:為了使水資源在農(nóng)業(yè)灌溉中的有效利用,開(kāi)發(fā)新型的農(nóng)業(yè)節(jié)水灌溉系統(tǒng)可克服傳統(tǒng)灌溉方式的不足,本設(shè)計(jì)建立了現(xiàn)代化的農(nóng)業(yè)噴灌模型,通過(guò)設(shè)計(jì)計(jì)算,由于各環(huán)行區(qū)域的面積不同,所需的水的流量不同,在噴灌系統(tǒng)中使用多個(gè)不同的噴管,則可根據(jù)噴管中噴嘴的直徑不同來(lái)控制水的流量,從而使圓區(qū)的噴灌均勻,另外,采用鑄鐵管路大大減少了水的損失.在噴管系統(tǒng)中采用
集中控制,自動(dòng)化程度高,易于調(diào)節(jié).
Abstract?:?For?making ?water?resource?valid?used?in?agricultural?irrigation?,to?develop?
new-type?agricultural?water-saving?irrigation?system?can?overcome?the shortcomings of the ?traditional way of
irrigating?.This?design??sets?up?the?modernized?
agricultural?sprinkling?irrigation?model.?because?the?area
?of?every?belt?area?is?different,?the?flow?of?the?necessary?water?is?different.?
Using?a?lot?of?different?nozzle?among?sprinkling?irrigation?system,??it is possible to?make?
round?sprinkling?irrigation?of?district?even, ?according?to
?nozzle?with?controlling?the?flow?of?water?diameter?of?spray?nozzle?,in?addition?,?it?casts?the?iron?pipe?distance?and reduces?losses?of?ink?greatly?to?adopt.?Adopting?centralized?control?in?
the?nozzle?system,?the?automatic?degree?becomes?high?and?easy?to?regulate?.?
關(guān)鍵詞:流量,作用水頭,壓力,流速,揚(yáng)程,沿程阻力,局部阻力
Key words: flux