Journal of Pure and Applied Ultrasonics

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Non-Destructive Characterization of CaFe2O4-Ethylene Glycol Based Nanofluids


Affiliations
1 Department of Physics, University of Allahabad, Allahabad-211002, India
 

In the present work, CaFe2O4 nanoparticles have been synthesized using sol-gel method. The prepared nanoparticles have been characterized using X-Ray diffraction (XRD) and transmission electron microscopy (TEM). CaFe2O4 nanoparticles have been dispersed in the ethylene glycol using high power ultrasonicator to prepare CaFe2O4-ethylene glycol based nanofluids of different volume fraction (viz. 0.1 vol%, 0.2 vol%, 0.5 vol%, and 1.0 vol%). Particle size distribution of synthesized nanofluids has been investigated by acoustical particle sizer (APS-100). Frequency and concentration dependent ultrasonic attenuations in the nanofluids have been measured by APS-100. A comparative study of the results, obtained by XRD, TEM and APS, has been done. Various factors responsible for ultrasonic attenuation and their correlation have been made to understand the inter-particle and intra-particle interactions.

Keywords

Nanofluids, Ultrasonic Attenuation, Acoustical Particle Sizer, Particle Size Distribution.
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  • Non-Destructive Characterization of CaFe2O4-Ethylene Glycol Based Nanofluids

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Authors

Alok Kumar Verma
Department of Physics, University of Allahabad, Allahabad-211002, India
Shakti Pratap Singh
Department of Physics, University of Allahabad, Allahabad-211002, India
Navneet Yadav
Department of Physics, University of Allahabad, Allahabad-211002, India
Gaurav Singh
Department of Physics, University of Allahabad, Allahabad-211002, India
Raja Ram Yadav
Department of Physics, University of Allahabad, Allahabad-211002, India

Abstract


In the present work, CaFe2O4 nanoparticles have been synthesized using sol-gel method. The prepared nanoparticles have been characterized using X-Ray diffraction (XRD) and transmission electron microscopy (TEM). CaFe2O4 nanoparticles have been dispersed in the ethylene glycol using high power ultrasonicator to prepare CaFe2O4-ethylene glycol based nanofluids of different volume fraction (viz. 0.1 vol%, 0.2 vol%, 0.5 vol%, and 1.0 vol%). Particle size distribution of synthesized nanofluids has been investigated by acoustical particle sizer (APS-100). Frequency and concentration dependent ultrasonic attenuations in the nanofluids have been measured by APS-100. A comparative study of the results, obtained by XRD, TEM and APS, has been done. Various factors responsible for ultrasonic attenuation and their correlation have been made to understand the inter-particle and intra-particle interactions.

Keywords


Nanofluids, Ultrasonic Attenuation, Acoustical Particle Sizer, Particle Size Distribution.

References