• 沒有找到結果。

有一定的困難度存在,我們分析並歸納出其面積延展關係。

研究中討論薄層磁流體液滴的面積塗覆變化,當系統置於一組線圈的中 心處,液滴受到純徑向磁場的作用因此延展,相似於傳統的旋轉塗覆而產 生界面不穩定的型態;若受到垂直與徑向磁場的交互作用,則先行破壞液 滴界面,之後再施與徑向磁場,即可有效擴展液滴進行塗佈工作。實驗主 要的目的為研究磁場強度與初始液滴大小對液滴擴張運動的影響。此種外 觀之劇烈形態變化由一開始之未開啟磁場時所保持的圓形,最後轉變為磁 場開啟後期之複雜的指狀化星形。

本文的實驗數據分析根據一些變因,其中包括各種不同的初始液滴直徑、

產生的小液滴顆數和三種變化的磁場強度。在眾多的實驗數據分析下,磁 性液滴受到徑向磁場影響最後的將會遵循一個指數關係

A

' ~ t'0.4897;而在垂 直與徑向磁場的交互作用下有

A

' ~ t'0.99959的指數關係。

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