Proposal of mechanics of liquid crystals and development of liquid crystalline microactuators
Proposal of mechanics of liquid crystals and development of liquid crystalline microactuators
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DOI：
10.1063/1.2840673
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发表时间：
2008-02
影响因子：
4
通讯作者：
S. Chono;T. Tsuji
中科院分区：
文献类型：
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作者：
S. Chono;T. Tsuji
我们提出了一个研究领域“液晶力学”，其中液晶从力学的观点进行研究。研究了电场作用下平行平板间液晶的非稳态行为。施加在液晶上的电场诱导流动，其轮廓和大小强烈地依赖于板处的指向矢的扭转角。可视化实验证实了流动的产生。这种产生的机制可以通过考虑由施加电场产生的分子的旋转引起局部速度梯度来解释。
We propose a research field “mechanics of liquid crystals,” in which liquid crystals are studied from a mechanical viewpoint. The unsteady behaviors of a liquid crystal between parallel plates under an electric field are investigated. The imposition of the electric field on the liquid crystal induces flows, whose profile and magnitude strongly depend on the twist angle of the director at the plates. A visualization experiment confirms the generation of flows. The mechanism of such generation can be explained by considering that the rotation of molecules generated by the imposition of the electric field induces a local velocity gradient.