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電磁鑄造電磁作用力的數(shù)學(xué)分析及試驗(yàn)研究
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TB97

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國家自然科學(xué)基金資助項(xiàng)目(重大項(xiàng)目59995442)，國家自然科學(xué)基金資助項(xiàng)目(面向項(xiàng)目 50071015)


Mathematical Analysis and Experiment Research of Electromagnetic Force during the Process of Electromagnetic Casting
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    摘要:

    對電磁鑄造圓形感應(yīng)器產(chǎn)生的磁場在金屬熔體內(nèi)的電磁作用力進(jìn)行了理論分析和實(shí)驗(yàn)研究。指出導(dǎo)體中電磁作用力僅存在于徑向及軸向方向上。電磁作用力的大小不僅與磁感應(yīng)強(qiáng)度有關(guān)，還與磁感應(yīng)強(qiáng)度的分布梯度有關(guān)；電磁有旋力是由于磁場分布不均勻造成的，其旋度方向在柱坐標(biāo)系的周向方向上。試驗(yàn)研究分析了感應(yīng)器結(jié)構(gòu)、電流等工藝參數(shù)對電磁場分布的影響。

    Abstract:

    The electromagnetic force of electromagnetic casting induced in cylindrical molten metal was analyzed by mathematical method and experiment research. It can be concluded that where is the electromagnetic force impose on and what is the direction of the force, and the electromagnetic force was concerned not only with the magnetic flux density but also with the grads of the magnetic flux density. Furthermore, it can be summarized that the nonconservative component of the force was brought by the asymmetry of the distribution of the electromagnetic field. Some experiments are taken to research the influence of the parameters (inductor current, inductor shape etc.) on the distribution of the electromagnetic fields.

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王輝 金俊澤 李廷舉.電磁鑄造電磁作用力的數(shù)學(xué)分析及試驗(yàn)研究[J].稀有金屬材料與工程,2004,33(11):1149~1152.[Wang Hui, Jin Junze, Li Tingju. Mathematical Analysis and Experiment Research of Electromagnetic Force during the Process of Electromagnetic Casting[J]. Rare Metal Materials and Engineering,2004,33(11):1149~1152.]
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  • 最后修改日期:2003-05-12
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