Numerical Simulations on the Formation of Speckles in Nanofluids Illuminated by a TEM00 Laser Beam |
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| Authors: | YAN Qin QIAN Ming NI Xiao-Wu LU Jian LI Qiang XUAN Yi-Min |
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| Affiliation: | Department of Applied Physics, Nanjing University of Science and Technology, Nanjing 210094School of Power Engineering, Nanjing University of Science and Technology, Nanjing 210094 |
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| Abstract: | On the basis of a Rayleigh scattering model for a single nanoparticle illuminated by a TEM00 laser beam, we theoretically and numerically study the speckle formation when nanofluids are illuminated by a TEM00 laser beam. The results show that the laser speckles possess a Gaussian distribution, which are in agreement with the experimental results. The results may be useful for using a laser speckle velocimetry to determine the velocitiies of nanoparticles in nanofluids. |
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| Keywords: | 42 25 Fx 47 80 Cb |
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