Heat transfer enhancement using CNT-coated needle electrodes in corona wind discharge system P. Vibin Antony, Mathew Joseph, Sehmus Ozden, Chandra Sekhar Tiwary and V. Sajith Eur. Phys. J. Plus, 137 4 (2022) 524 Published online: 30 April 2022 DOI: 10.1140/epjp/s13360-022-02723-6