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不同滾筒轉(zhuǎn)速軸流裝置籽粒運動和碰撞對比分析
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黑龍江省自然科學(xué)基金資助項目（E200942）;黑龍江省農(nóng)墾總局“十一五”重點科技攻關(guān)項目（HNKXIV—10—05）


Comparative Analysis of Grain Movement and Collision for Different Drum Speeds Axial Flow Device
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    摘要:

    借助高速攝像技術(shù)，對釘齒式軸流脫粒與分離裝置在不同滾筒轉(zhuǎn)速條件下自由籽粒運動過程和碰撞過程進行了對比試驗研究，得出滾筒轉(zhuǎn)速變化時自由籽粒的運動規(guī)律和自由籽粒與釘齒碰撞后的運動規(guī)律。結(jié)果表明：滾筒轉(zhuǎn)速增加，自由籽粒的運動速度隨之增大，多數(shù)自由籽粒處于中速運動狀態(tài)，受釘齒碰撞后呈加速運動趨勢。

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    Comparative experiments of free grain movement and collision under different drum speeds were carried out by using high-speed video camera on a self-designed axial flow threshing and separating device with nails teeth. The movement discipline of free grain and the movement discipline after the collision of free grain and nail tooth under different drum speeds were obtained. The results showed that the free grains movement speed increased with the increasing of drum speed. Most of the free grains moved in a medium-speed and showed a tendency of accelerating motion after crashed by the nail teeth.

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姜楠,衣淑娟,張昆.不同滾筒轉(zhuǎn)速軸流裝置籽粒運動和碰撞對比分析[J].農(nóng)業(yè)機械學(xué)報,2011,42(Z1):48-51，56. Jiang Nan, Yi Shujuan, Zhang Kun. Comparative Analysis of Grain Movement and Collision for Different Drum Speeds Axial Flow Device[J]. Transactions of the Chinese Society for Agricultural Machinery,2011,42(Z1):48-51，56.

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