挡板导流式罩盖喷雾机结构优化与性能试验
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国家自然科学基金资助项目(30971940)、国家国际科技合作项目资助项目(2010DFA34570)、高等学校博士学科点专项科研基金资助项目(20090008110015)和中央高校基本科研业务费专项资金资助项目(2010JS044)


Structure Optimization and Performance Research of Guided Baffle Shield Sprayer
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    摘要:

    通过风洞试验与除草剂田间药效试验对挡板导流式罩盖进行了性能测定。结果表明:罩盖防飘喷雾系统的最优结构参数为挡板宽度40cm、挡板倾角50°、喷头倾角50°。喷施除草剂30d后,使用此罩盖喷雾技术的株数防效为81.4%、鲜重防效为76.4%,均优于常规喷雾。当药剂用量减少20%时仍然可达到与常规喷雾相同的防效,实现减量喷雾,节约了农药,降低了成本。

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    Guided baffle shield application is effective and economical method to reduce droplets drift. The performance research of this system was carried out with wind tunnel experiment and field trials of herbicide.The results showed that the optimum structure parameters of the guided baffle shield sprayer were: shield width of 40cm, shield angle of 50°, nozzle angle of 50°. 30 days after herbicide application, the weeds control effects was 81.4%, fresh weight effects was 76.4% which were superior to conventional application; when the herbicide dosage reduced by 20%, the effect with shield application was same to conventional application. So the guided shield application could save pesticide and reduce cost. 

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张京,何雄奎,宋坚利,曾爱军,刘亚佳,Herbst A.挡板导流式罩盖喷雾机结构优化与性能试验[J].农业机械学报,2011,42(10):101-104. Zhang Jing, He Xiongkui,Song Jianli, Zeng Aijun, Liu Yajia,Herbst A. Structure Optimization and Performance Research of Guided Baffle Shield Sprayer[J]. Transactions of the Chinese Society for Agricultural Machinery,2011,42(10):101-104

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