Helicopter fuselage drag ─ combined computational fluid dynamics and experimental studies A. Batrakov, A. Kusyumov, S. Mikhailov, V. Pakhov, A. Sungatullin, M. Valeev, V. Zherekhov and G. Barakos Published online: 08 June 2015 DOI: 10.1051/eucass/201507021