作者： 梁鹤¹;，王腾飞¹;，王文中¹;，郭玉龙²; （¹北京理工大学机械与车辆学院；²中国机械设备工程股份有限公司）

出处： 润滑与密封 2024 第49卷 第2期 P26-35

关键词： 往复密封；O形圈；表面粗糙度；确定性模型；动特性

摘要： 建立三维确定性混合润滑数值仿真模型，该模型采用统一Reynolds方程系统法，耦合了固体力学分析、流体力学分析和接触力学分析；生成非高斯粗糙表面，基于混合润滑模型研究表面粗糙度、自相关长度比值和纹理方向对橡塑O形圈往复密封摩擦力、泄漏率、平均膜厚和接触面积比等密封性能的影响规律。研究表明：低速时随着 ...

作者： Yanfei Liu¹;CA1;Shengtao Yu¹;Ruize Zhang¹;Xiangyu Ge¹;Wenzhong Wang¹; （¹School of Mechanical Engineering, Beijing Institute of Technology, Beijing, 100081, China）

出处： Wear 2024 Vol.536-537 P205174

摘要： Nanodiamond plate (NDPL), a novel “non-layered” two-dimensional material, has received significant attention thanks to its excellent physical and chem ...

作者： Haibo Zhang¹;Shengli Liu¹;Wenzhong Wang¹;CA1 （¹School of Mechanical Engineering, Beijing Institute of Technology, Beijing, 100081, PR China）

出处： Mechanism and Machine Theory 2024 Vol.192 P105546

摘要： In the rough surface contact research, the real contact area has long been the primary focus, however, the details of contact spots, such as the size, ...

作者： Lulu Liang¹;Jieliang Zhao¹;CA1;Qun Niu¹;Li Yu¹;Xiangbing Wu¹;Wenzhong Wang¹;CA2;Shaoze Yan²;Zhenglei Yu³; （¹School of Mechanical Engineering, Beijing Institute of Technology, 100081, Beijing, China;²Division of Intelligent and Biomechanical Systems, State Key Laboratory of Tribology, Department of Mechanical Engineering, Tsinghua University, 100084, Beijing, China;³Key of Bionic Engineering, Ministry of Education, Jilin University, 130022, Changchun, China）

出处： Friction 2024 Vol.12 No.2 P215-230

关键词： honeybee arolium;air pockets;wet adhesion;a three-phase interface;self-sucking effects;air-embolism effects

摘要： Inspired by the dynamic wet adhesive systems in nature, various artificial adhesive surfaces have been developed but still face different challenges. ...

作者： Liu,Yanfei¹;Yu,Shengtao¹;Fan,Zhikai¹;Ge,Xiangyu¹;Wang,Wenzhong¹; （¹School of Mechanical Engineering, Beijing Institute of Technology, Beijing, 100081, China）

出处： Carbon 2024 Vol.219

摘要： Graphene-family materials exhibit excellent tribological behaviors as nanoadditives for eco-friendly water lubrication systems. However, the influence ...

作者： Chen, Hao¹; Zhang, Haibo¹; Liang, He¹; Wang, Wenzhong¹ （¹School of Mechanical Engineering, Beijing Institute of Technology, Beijing; 100081, China）

出处： Tribology International 2024

作者： He, Hailing¹; Liu, Yanfei³; Xu, Yunjing^{3, 4}; Yu, Shengtao³; Wang, Wenzhong³; Liang, Fuxin² （¹Applied Mechanics and Structure Safety Key Laboratory of Sichuan Province, School of Mechanics and Aerospace Engineering, Southwest Jiaotong University, Chengdu; 610031, China;²Institute of Polymer Science and Engineering, Department of Chemical Engineering, Tsinghua University, Beijing; 100084, China;³School of Mechanical Engineering, Beijing Institute of Technology, Beijing; 100081, China;⁴Beijing Research Institute of Mechanical & Electrical Technology Co., Ltd. CAM, Beijing; 100083, China）

出处： Progress in Organic Coatings 2024

作者： Chen, Hongbai¹;Wang, Wenzhong¹;Ge, Xiangyu¹;Liang, He¹ （¹Beijing Inst Technol, Beijing 100081, Peoples R China.）

出处： PHYSICS OF FLUIDS 2024 Vol.36 No.1

关键词： SUPERCRITICAL KEROSENE; NUMERICAL-SIMULATION; SCRAMJET COMBUSTOR; MIXING PROCESS; JET; INJECTION; CAVITY; PERFORMANCE; IGNITION; FLOW

摘要： Thin liquid films on free surfaces or inside restricted spaces are widely encountered and can have significant effects in heat transfer, coating, biof ...

作者： Li, Weichen¹; Zhao, Jieliang¹; Wu, Xiangbing¹; Liang, Lulu¹; Wang, Wenzhong¹; Yan, Shaoze² （¹School of Mechanical Engineering, Beijing Institute of Technology, Beijing; 100081, China;²Division of Intelligent and Biomechanical Systems, State Key Laboratory of Tribology in Advanced Equipment, Department of Mechanical Engineering, Tsinghua University, Beijing; 100084, China）

出处： SSRN 2024

作者： 薛梓涵，赵自强，葛翔宇，王文中 （北京理工大学机械与车辆学院）

出处： 轴承 2024 第2期 P46-54

关键词： 滚动轴承；润滑；超声；最小油膜厚度；保持架；转速；脉冲重复频率

摘要： 滚动轴承的运行稳定性与钢球和内外圈之间的润滑状态密切相关，膜厚则是表征轴承润滑性能的重要参数。基于超声弹簧模型建立了膜厚测量模型并搭建了试验台，通过试验台模拟球轴承的运行状态并测量钢球周围以及沿滚动方向的膜厚分布，分析了转速对最小膜厚的影响；同时，根据连续2个钢球通过探头正下方的时间间隔计算保持架转 ...