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食品雙螺桿擠出機(jī)比能耗定量化研究
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Quantitative Study on the Specific Energy Consumption of Food Twin-screw Extruder
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    摘要:

    采用有限元技術(shù),，對食品雙螺桿擠出機(jī)中流體的速度場,、壓力場進(jìn)行了仿真研究,。通過后處理計算,，得到了各種工況下的比能耗,。采用可旋轉(zhuǎn)的中心組合設(shè)計方法進(jìn)行了試驗,，分析仿真與試驗結(jié)果存在差異的原因,，并對仿真計算結(jié)果進(jìn)行了修正,。以修正后的仿真計算結(jié)果和試驗結(jié)果為基礎(chǔ),，對所建立的BP神經(jīng)網(wǎng)絡(luò)進(jìn)行訓(xùn)練，建立了食品雙螺桿擠出機(jī)擠壓系統(tǒng)模型,，此模型可用于擠出機(jī)比能耗的定量預(yù)測,。

    Abstract:

    The velocity and pressure fields of the fluid in the twin-screw extruder were studied using FEM. The specific energy consumption of various operations was obtained by post-processing. The experiment was designed using the rotatable and central composite method. The reason for the existing differences between the simulation and experimental results was analyzed, and the simulation results were corrected. The BP algorithm was trained based on the simulation and experimental results. The extruding system model of twin-screw extruder was built, and could be used to quantitatively predict the specific energy consumption of the extruder.

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孫智慧,徐克非,楊綺云,唐慶菊.食品雙螺桿擠出機(jī)比能耗定量化研究[J].農(nóng)業(yè)機(jī)械學(xué)報,2010,41(Z1):225-228.Quantitative Study on the Specific Energy Consumption of Food Twin-screw Extruder[J]. Transactions of the Chinese Society for Agricultural Machinery,2010,41(Z1):225-228.

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