Numerical Study on the Improvement of Oil Return Structure in Aero-Engine Bearing Chambers.Published in:International Journal of Turbo & Jet-Engines, 2018, v. 35, n. 1, p. 59, doi. 10.1515/tjj-2016-0022By:Jingyu, Zhao;Yaguo, Lyv;Zhenxia, Liu;Guozhe, RenPublication type:Article