04/2006 – 09/2009, Ph.D., Mechanics, Northwestern Polytechnical University, Xi' an 09/2003 – 03/2006, Master's degree, Solid Mechanics, Northwestern Polytechnical University, Xi' an
09/1999 – 07/2003, Bachelor’s degree, Engineering Mechanics, Northwestern Polytechnical University, Xi' an
Research Experiences 03/2015 – 03/2016, Visiting scholar in Department of Mechanical Engineering, Virginia Tech., VA, USA
09/2012 – 12/2014, Post doctor in China Air-borne Missile Academy, Luoyang
09/2009 – now, Faculty in Henan University of Science and Technology, Luoyang Grants Received National Natural Science Foundation of China (Grant No. 51105132, U1604135, 51975187), National Defense Basic Scientific Research Projects (JCKY2018419C002)，Distinguished Young Scholar Foundation of Henan Scientific Committee, China (184100510008).
Some of Publications
 Kuahai Yu*, Danesh Tafti. Size and temperature dependent collision and deposition model of micro-sized sand particles. Journal of Turbomachinery-Transactions of the ASME，2019, 141, 031001.
 Kuahai Yu*, Husam A. Elghannay, Danesh Tafti. An Impulse Based Model for Spherical Particle Collisions with Sliding and Rolling. Powder Technology. 2017, 319:102-116.
 Kuahai Yu*, Danesh Tafti. Impact model for micrometer-sized sand particles. Powder Technology. 2016,294, 11-21.
 Kuahai Yu*, Xi Yang, Zhan Mo. Profile design and multi-fidelity optimization of solid rocket motor nozzle. Journal of Fluid Engineering-Transactions of the ASME.2014,136(6): 031104-031104-6.
 Kuahai Yu*, Xi Yang, Yongzhou Chen, Changhao Li. Thermal analysis and two-directional air flow thermal management for lithium-ion battery pack. Journal of Power Sources. 270(2014),193-200.