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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:Formaking waterresourcevalidusedinagriculturalirrigation,todevelopnew-typeagriculturalwater-savingirrigationsystemcanovercomethe shortcomings of the traditional way ofirrigating.Thisdesignsetsupthemodernizedagriculturalsprinklingirrigationmodel.becausetheareaofeverybeltareaisdifferent,theflowofthenecessarywaterisdifferent.Usingalotofdifferentnozzleamongsprinklingirrigationsystem,it is possible tomakeroundsprinklingirrigationofdistricteven, accordingtonozzlewithcontrollingtheflowofwaterdiameterofspraynozzle,inaddition,itcaststheironpipedistanceand reduceslossesofinkgreatlytoadopt.Adoptingcentralizedcontrolinthenozzlesystem,theautomaticdegreebecomeshighandeasytoregulate.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
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