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ISSN:2164-6457 (print)
ISSN:2164-6473 (online)
Journal of Applied Nonlinear Dynamics
Miguel A. F. Sanjuan (editor), Albert C.J. Luo (editor)
Miguel A. F. Sanjuan (editor)

Department of Physics, Universidad Rey Juan Carlos, 28933 Mostoles, Madrid, Spain

Email: miguel.sanjuan@urjc.es

Albert C.J. Luo (editor)

Department of Mechanical and Industrial Engineering, Southern Illinois University Ed-wardsville, IL 62026-1805, USA

Fax: +1 618 650 2555 Email: aluo@siue.edu

Impact of Nonlinear Radiation and Irregular Heat Sources on 3D Rotating Flow of Nanofluids with SWCNTs and MWCNTs

Journal of Applied Nonlinear Dynamics 15(3) (2026) 519--531 | DOI:10.5890/JAND.2026.09.002

P. B. Sampath Kumar$^{1,2}$, Y. Veeranna$^{3}$, S. H. Manohar$^{4}$, B. J. Gireesha$^{5}$, M. S. Sunitha$^{6}$

$^{1}$ Department of Studies and Research in Mathematics, Ramanagara PG Centre, Bangalore University, Karnataka 562159, India

$^{2}$ Universidad Bernardo O'Higgins, Facultad de Ingeniería, Ciencia y Tecnología, Departamento de Formación y Desarrollo Científico en Ingeniería, Av. Viel 1497, Santiago, Chile

$^{3}$ Department of Studies and Research in Mathematics, Government Science College (Autonomous), Bengaluru 560001, Karnataka, India

$^{4}$ Department of Studies and Research in Mathematics, Tumkur University, Tumkur 572103, Karnataka, India

$^{5}$ Department of Studies and Research in Mathematics, Kuvempu University, Shankaraghatta 577451, Shimoga, Karnataka, India

$^{6}$ Department of Mathematics, Government First Grade College, Ramanagara 562159, Karnataka, India

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Abstract

This study presents a comparative analysis of the engineering applications of single-walled and multi-walled carbon nanotubes (SWCNTs and MWCNTs). The investigation focuses on the three-dimensional rotating flow of a nanofluid with nonlinear convection over an elongated surface. The heat transfer characteristics are examined under the influence of nonlinear radiation, an irregular heat source, and convective boundary conditions. Water serves as the base fluid, embedded with both SWCNTs and MWCNTs. Solutions are derived using the shooting technique, and the results are comprehensively displayed through tables and graphical representations. Detailed discussions of various flow field characteristics are provided. The findings indicate that MWCNTs exhibit a higher heat transfer coefficient compared to SWCNTs. Additionally, the presence of irregular heat sources enhances the temperature of the nanofluid.

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