Numerical analysis of the effect of nanoparticles on thermal characteristics of biological tissue during a cryosurgery Mandal Rajeev Kumar, Kumar Sumit* Department of Mechanical Engineering, National Institute of Technology, Rourkela - 769008, Odisha, India *E-mail ID: kumarsumit@nitrkl.ac.in (corresponding author)
Online published on 4 December, 2023. In the present study, different types of nanoparticles, such as Au, Fe3O4, and Al2O3, have been considered. This problem has been simulated using the ANSYS Fluent 18.1 version of the CFD software package. The three-dimensional cubical shape of biological tissue with a single cryoprobe has been considered in the present study. First, the current numerical results have been verified with the results available in the literature under the same operating conditions. Then, the grid-independent study was performed to select the optimum grid size. After that, the effect of earlier mentioned nanoparticles on the ice–ball formation and temperature distribution inside the biological tissue have been investigated to select suitable nanoparticles. The effect of the volumetric concentration of nanoparticles is also studied. A comparative study between the biological tissue with and without nanoparticles has been conducted. The present study may help to improve cryosurgery’s efficacy. Top Keywords Cryosurgery, Biological tissue, Cryoprobe, Ice ball, Nanoparticles. Top |