扇形噴頭球頭結(jié)構(gòu)建模與磨損試驗(yàn)

doi:10.3969/j.issn.1000-1298.[year].[issue].[sequence]

首頁(yè) > 過(guò)刊瀏覽>2011年第42卷第8期 >85-69. DOI:10.3969/j.issn.1000-1298.[year].[issue].[sequence]

扇形噴頭球頭結(jié)構(gòu)建模與磨損試驗(yàn)
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                        10.3969/j.issn.1000-1298.[year].8.[sequence]
                    
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基金項(xiàng)目:“十一五”國(guó)家科技支撐計(jì)劃資助項(xiàng)目（2006BAD08A12）;國(guó)家林業(yè)局“948”項(xiàng)目（2007—4—20）;江蘇省“六大人才高峰”資助項(xiàng)目（07—G—21）

Spherical-top Structure Mathematical Model and Wear Experiments of Flat-fan Nozzle

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針對(duì)扇形噴頭球頭處的復(fù)雜結(jié)構(gòu)以及農(nóng)藥中固體顆粒對(duì)噴頭內(nèi)表面的沖蝕情況，運(yùn)用立體幾何方法建立了扇形噴頭基本結(jié)構(gòu)尺寸的數(shù)學(xué)方程，并對(duì)其進(jìn)行力學(xué)分析。結(jié)果表明，扇形噴頭球頭處x向磨損最嚴(yán)重。通過(guò)試驗(yàn)驗(yàn)證了理論分析，建立了時(shí)間和基本結(jié)構(gòu)尺寸的變化對(duì)磨損率的影響關(guān)系式。

Abstract:

The complex structure on the spherical-top of flat-fan nozzle orifices and the erosion situation of solid pesticide on the inner surface of nozzle were studied. Firstly, a mathematical equation of the basic structure was established according to the solid geometry. Secondly, the most significant wear in the x-axis of the spherical-top of fan orifices was concluded through mechanical analysis. Finally, the theoretical analysis was verified through the experiments, and the wear rate relationship was established with the spraying time and the dimensional change of the spherical-top of flat-fan orifices. 

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翟恩昱,鄭加強(qiáng).扇形噴頭球頭結(jié)構(gòu)建模與磨損試驗(yàn)[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2011,42(8):85-69. Zhai Enyu, Zheng Jiaqiang. Spherical-top Structure Mathematical Model and Wear Experiments of Flat-fan Nozzle[J]. Transactions of the Chinese Society for Agricultural Machinery,2011,42(8):85-69.

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