CFD simulation of air effect on flow field characteristics of hydro-viscous clutch with constant speed differenceXudong Zheng, Fangwei Xie, Diancheng Wu, Xinjian Guo, Bing Zhang, Van Xo Nguyen and Yun WangMechanics & Industry, 19 2 (2018) 208DOI: https://doi.org/10.1051/meca/2018032