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高压脉冲电场激励油中液滴振动计算与实验 被引量:1

Calculation and tests for drop vibration in emulsion oil under high pulse electric field
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摘要 以单液滴为研究对象,建立液滴动力学模型,通过求解模型获得液滴振幅一次近似解及幅频特性关系。算例及实验结果表明,液滴非线性振动计算方法合理,液滴动力学模型能对高压脉冲电场激励油中液滴振动进行有效计算,且能预测液滴"共振"频率及振幅。该研究对研制高效电场脱水装置具有指导意义。 Under excitation of high pulse electric field,a drophappens to be in vibration during electro-dehydration of emulsified oil.So far,there are few references about theoretical calculation of drop vibration.A single vibrating drop in oil was regarded as a study object under high pulse electric field,and its dynamic model was built.By solving the model, drop vibration amplitude first approximate solution and its amplitude-frequency characteristic relation were obtained. Results of example calc and tests showed that the non-linear method of vibration calculation is reasonable and it can be used to predict drop's resonance frequency and amplitude.The study results were helpful to making highly efficient electro-dehydration machines.
出处 《振动与冲击》 EI CSCD 北大核心 2014年第10期172-176,共5页 Journal of Vibration and Shock
基金 国家自然科学基金(21206204) 重庆市科技攻关项目(cstc2012gg-yyjs90011) 重庆市自然科学基金(cstc2011jjA90003)
关键词 高压脉冲电场 液滴 非线性参激振动 幅频特性 high pulse electric field drop nonlinear parametrically excited vibration amplitude-frequency charac-teristic
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