Comparative study of Eyring and Carreau fluids in a suspension of dust and nickel nanoparticles with variable conductivityS. Mamatha Upadhya, Mahesha and C. S. K. RajuEur. Phys. J. Plus, 133 4 (2018) 156DOI: https://doi.org/10.1140/epjp/i2018-11979-x