A New Method for Adjusting Setting Angle of Rotor Blade for Axial Fan in Wind Tunnel Xiaoli Qu, Zebin Ren, Wenguo Yang, Yuanqiang Luo and Chenghua Cong JNWPU, 37 3 (2019) 580-586 Published online: 20 September 2019 DOI: 10.1051/jnwpu/20193730580