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射流混藥裝置結(jié)構(gòu)參數(shù)對(duì)混藥性能影響的模擬分析
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國(guó)家高技術(shù)研究發(fā)展計(jì)劃(863計(jì)劃)資助項(xiàng)目（2008AA100905,、2006AA10A305—3）;國(guó)家自然科學(xué)基金資助項(xiàng)目（30571240）;高等學(xué)校博士學(xué)科點(diǎn)專(zhuān)項(xiàng)科研基金資助項(xiàng)目（20093227110008）;江蘇省屬高校自然科學(xué)重大基礎(chǔ)研究項(xiàng)目(10KJA470007)


Simulation Analysis of Structure Parameters of Jet-mixing Apparatus on Jet-mixing Performance
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    摘要:

    以射流混藥裝置結(jié)構(gòu)優(yōu)化為目標(biāo),，采用CFD方法研究了混藥裝置的嘴管距,、面積比和吸入口角度等主要參數(shù)對(duì)混藥性能的影響,。用混藥裝置流動(dòng)性能的實(shí)測(cè)值對(duì)射流混藥裝置數(shù)值模擬方案進(jìn)行對(duì)比表明,，確定的射流混藥裝置數(shù)值模擬方案合理,。對(duì)嘴管距,、面積比和吸入口角度3個(gè)參數(shù)進(jìn)行了數(shù)值模擬,。結(jié)果表明：這3個(gè)參數(shù)均不改變h—q單調(diào)遞減關(guān)系類(lèi)型,；嘴管距和吸入口角度的變化不改變?chǔ)恰猶關(guān)系類(lèi)型,，但面積比會(huì)改變?chǔ)恰猶曲線變化趨勢(shì),。

    Abstract:

    Aimed at optimizing the structure of jet-mixing apparatus, effect of three main structure parameters: nozzle-tube distance, area ratio and entrainment angle on the mixing performance were investigated based on CFD technique. A mathematical model for jet apparatus was established and validated by actual experimental data. Simulated results and experiment results showed that the established model was reasonable. The results indicated that nozzle-tube distance, area ratio and entrainment angle would not change the tendency of h—q with the increasing of flow ratio. However, both nozzle-tube distance and entrainment angle would not change the tendency of η—q except for area ratio.

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邱白晶,徐溪超,楊寧,鄧斌,姜國(guó)微,吳春篤.射流混藥裝置結(jié)構(gòu)參數(shù)對(duì)混藥性能影響的模擬分析[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2011,42(6):76-79,69. Qiu Baijing, Xu Xichao, Yang Ning, Deng Bin, Jiang Guowei, Wu Chundu. Simulation Analysis of Structure Parameters of Jet-mixing Apparatus on Jet-mixing Performance[J]. Transactions of the Chinese Society for Agricultural Machinery,2011,42(6):76-79,69.

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