Cattaneo-Christov heat flux in flow by rotating disk with variable thickness Tasawar Hayat, Asmara Kiran, Maria Imtiaz and Ahmed Alsaedi Eur. Phys. J. Plus, 132 3 (2017) 145 Published online: 27 March 2017 DOI: 10.1140/epjp/i2017-11429-5