Turbulent convective heat transfer in a long cylinder with liquid sodium P. Frick, R. Khalilov, I. Kolesnichenko, A. Mamykin, V. Pakholkov, A. Pavlinov and S. Rogozhkin EPL, 109 1 (2015) 14002 Published online: 15 January 2015 DOI: 10.1209/0295-5075/109/14002