Dynamic of orientation processes in liquid crystal systems of technical devices

被引：0
|
作者：
Larionov, A. N. [1 ]
Polivaev, O., I [1 ]
Larionova, N. N. [1 ]
Mashina, A., V [2 ]
机构：
[1] Voronezh State Agr Univ, 1 Michurin St, Voronezh 394087, Russia
[2] Air Force Acad, Mil Educ Sci Ctr Air Force, 54-A,Staryh Bolshevikov St, Voronezh 394064, Russia
来源：
INTERNATIONAL CONFERENCE ON ENGINEERING STUDIES AND COOPERATION IN GLOBAL AGRICULTURAL PRODUCTION | 2021年 / 659卷
关键词：
TEMPERATURE;
D O I：
10.1088/1755-1315/659/1/012077
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
The relaxation properties of nematic liquid crystals by the pulsed method of a fixed distance in a rotating magnetic field are investigated. The adequacy of the solution of the equation of motion of the nematic director in the conditions of asynchronous motion of the director and the magnetic field induction vector was experimentally confirmed. The values of the rotational viscosity coefficient and the orientation relaxation time that characterize the parameters of devices with a liquid-crystal working medium in a wide range of pressures and temperatures are calculated. In the framework of the free volume theory, the dependence of the rotational viscosity coefficient on temperature and pressure is analyzed.
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页数：7
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