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題名 | The Stress Response of Electrorheological Core-Shell and Hard-Core Suspensions upon the Frequency of External Fields=電場頻率影響電流變流體核殼與實心結構懸浮粒子之應力應答理論研究 |
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作者姓名(中文) | 鄭義忠; 李偉雄; 孫長春; 胡文華; | 書刊名 | 中正嶺學報 |
卷期 | 34:1 民94.11 |
頁次 | 頁323-336 |
分類號 | 448.5 |
關鍵詞 | 電流變流體; 電場頻率; 應力應答; 點偶極近似; Electrorheological fluid; Field frequency; Stress response; Point-dipole approximation; |
語文 | 英文(English) |
中文摘要 | 本文從理論上分別探討實慌粒子與核殼結構粒子的應力對電場頻率的應答情形。考慮材料的介電係數和導電率,在交流電場作用下,解Laplace方程式並採用點偶極近求得電位分佈,並進而獲得應力與電場頻率的關係。由計算結果得知,藉由所得關係可於電流變液懸浮粒子於正運用時,決定外部電場環境的運用。 |
英文摘要 | The theoretical investigation of the stress response influenced by an electric field frequency has been studied for suspended particles with a core-shell and hard core structures, respectively, in an electroheological fluid (ERF). The dielectric constant and material conductivity are considered in the model. The relationship between the stress and frequency under the AC field effect is obtained using the point-dipole approximation method. The electric potential is solved using Laplace’s equation. The computational results confirmed that the external field can be appropriately chosen and applied to an ERF system involving particles with the recommended structures dispersed in an insulating fluid. |
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