May 4, 2024
University of Bonab
فارسی
Mohammad Ali Mohtadi Bonab

Mohammad Ali Mohtadi Bonab

Academic rank: Associate professor
Address: Department of Mechanical Engineering, University of Bonab, Velayat Highway, Bonab, Iran
Education: Ph.D in Mechanical Engineering
Phone: 04137745000
Faculty: Faculty of Engineering
Department: Mechanical Engineering
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Research

Title
Excitation of Rayleigh-Benard Convection in Homeotropic Nematic Liquid Crystal by a Gaussian Laser Beam from Above
Type Article
Keywords
Gaussian light beam; nematic liquid crystal; rayleigh-benard convection; thermal anisotropy
Researchers Jafar Poursamad Bonab، Mohammad Asadpour، Keivan Mahmoudi-Aghdami، Mostafa Sahrai، R. S. Hakopyan، Mohammad Ali Mohtadi Bonab

Abstract

We theoretically studied the Rayleigh-Benard convection in homeotropic nematic liquid crystal cells due to the absorption of a Gaussian light beam, which penetrates the cell normally from above. It was shown that a convection of hydrodynamic motion in nematic liquid crystals can be induced as a result of absorption Gaussian beam and consequently, can lead to hydrodynamic motion and significant director reorientation in liquid crystal cells. The results can be easily measured experimentally.
University of Bonab
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