Aerodynamic characteristics analysis of quadrangle inlet and exhaust grille for embedded ventilation cooling system of aircraftLimin Wang, Heyuan Huang, Baigang Mi, Xuanjia Zhang and Meiying ZhaoJNWPU, 39 6 (2021) 1179-1187DOI: https://doi.org/10.1051/jnwpu/20213961179