Optimized analysis and enhanced thermal efficiency of copper–aluminum oxide nanoparticles under the influence of Joule heating and viscous dissipationAamar Abbasi, Sami Ullah Khan, Waseh Farooq and M. Ijaz KhanEur. Phys. J. Plus, 136 10 (2021) 1026DOI: https://doi.org/10.1140/epjp/s13360-021-02025-3