表面表征与仿真，摩擦学设计

主持并完成了国家863计划子项目3项，清华大学摩擦学国家重点实验室自主研究课题重点项目1项；参加973计划课题3项、自然科学基金项目4项。

计算机辅助设计

承担和参加了包括：国家 863 计划项目， “九五”国家重点科技攻关项目，北京市“九五”重点科技攻关项目等。

教育与教学研究

承担和参加了包括：教育部“面向 21 世纪高等工程教育教学内容和课程体改革计划”，“九五”国家重点科技攻关项目，北京市普通高等教育教学改革试点项目，精品课程建设，机械设计与制造基础系列课程国家级团队建设，机械工程实验教学中心国家级实验教学示范中心建设等项目。

[1] 刘向锋主编：《机械设计教程》，清华大学出版社，2008年

[2] Song‑Tao Hu, Wei‑Feng Huang, Xiang‑Feng Liu* and Yu‑Ming Wang. Application of Fractal Contact Model in Dynamic Performance Analysis of Gas Face Seals. Chinese Journal of Mechanical Engineering，(2018) 31:27

[3] Zhixiang Song, Fei Guo, Ying Liu, Xiangfeng Liu*, Yuming Wang. Inertia Effect on the Load Capacity of Large Water-Lubricated Thrust Bearing. TRIBOLOGY TRANSACTIONS. 2018, VOL. 61, NO. 1, 111–121

[4] Song ZX, Guo F, Liu Y,  Hu ST, Liu XF*, Wang YM. Investigation of slip/no-slip surface for two-dimensional large tilting pad thrust bearing, Industrial Lubrication and Tribology, 2017, 69: 995-1004

[5] Zhixiang Song, Fei Guo, Ying Liu, Songtao Hu, Xiangfeng Liu*, YumingWang. Controllable bidirectional wettability transition of impregnated graphite by laser treatment and transition mechanism analysis. Surface & Coatings Technology 317 (2017) 95–102

[6] Songtao Hu, Noel Brunetiere, Weifeng Huang*, Xiangfeng Liu, Yuming Wang. Evolution of bi-Gaussian surface parameters of silicon-carbide and carbon-graphite discs in a dry sliding wear process. Tribology International 112 (2017) 75–85

[7] Songtao HU, Noel BRUNETIERE, Weifeng HUANG, Xiangfeng LIU*, Yuming WANG. Truncated separation method for characterizing and reconstructing bi-Gaussian stratified surfaces. Friction 5(1): 32–44 (2017)

[8] Songtao Hu, Weifeng Huang, Xiangfeng Liu*, Yuming Wang. Probe model of wear degree under sliding wear by Rk parameter set. Tribology International 109 (2017) 578–585

[9] Songtao Hu, Weifeng Huang, Noel Brunetiere, Zhixiang Song, Xiangfeng Liu*, Yuming Wang. Stratified effect of continuous bi-Gaussian rough surface on lubrication and asperity contact[J]. Tribology International, 2016, 104: 328-341

[10] HU Songtao, HUANG Weifeng, LIU Xiangfeng*, and WANG Yuming. Influence Analysis of Secondary O-ring Seals in Dynamic Behavior of Spiral Groove Gas Face Seals. Chinese Journal of Mechanical Engineering. 2016, Vol. 29, No. 3: 507-514