Effects of modified surface on flow and heat transfer of heat pipe Chengchao Wang, Cong Qi, Dongtai Han, Yuxing Wang and Liang Sun Eur. Phys. J. Plus, 137 3 (2022) 318 Published online: 08 March 2022 DOI: 10.1140/epjp/s13360-022-02532-x