Transient Nucleate Boiling and Convection Processes Taking Place in Nanofluids that Contain Silver Nanopartiles

International Journal of Applied Physics

© 2020 by SSRG - IJAP Journal

Volume 7 Issue 1

Year of Publication : 2020

Authors : G.V. Kovalenko, N.I. Kobasko

10.14445/23500301/IJAP-V7I1P111

How to Cite?

G.V. Kovalenko, N.I. Kobasko, "Transient Nucleate Boiling and Convection Processes Taking Place in Nanofluids that Contain Silver Nanopartiles," SSRG International Journal of Applied Physics, vol. 7,  no. 1, pp. 72-79, 2020. Crossref, https://doi.org/10.14445/23500301/IJAP-V7I1P111

Abstract:

The paper discusses transient nucleate boiling and convective processes taking place during cooling steel probes in nanofluids that contain silver nanoparticles. It is shown that nanoparticles in water suspensions cannot increase radically cooling rate of steel probes due to cooling in water is rather intensive that tends to be ideal in condition when any film boiling is absent. Nanoparticles can be used for increasing critical heat flux densities and convective heat transfer coefficients during quenching. In some cases nanoparticles accelerate formation of surface insulating layers during quenching of steel parts that decreases initial heat flux densities resulting in eliminating any film boiling process. It is recommended to use nanofluids for deep cold treatment of tool steel to increase radically their wear resistance. The paper can be helpful in further investigation of nanofluids and can be used for new technologies development

Keywords:

Transient Nucleate, Silver Nanopartiles

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