苑士华
作者: Wei,Chunhui12;Wu,Wei1;Wang,Yunduo1;Nelias,Daniel2;Yuan,Shihua1; (1National Key Laboratory of Vehicular Transmission, Beijing Institute of Technology, Room 412, Building 9, Beijing, 100081, China;2INSA-Lyon, CNRS, UMR5259, LaMCoS, University Lyon, F-69621, France)
出处: International Journal of Heat and Mass Transfer 2024 Vol.219
摘要: The cage structure with enhanced heat transfer function is proposed to improve the temperature rise and heat dissipation issues caused by high bearing ...
作者: Wei Li;Xiaolong Li;Chuanwen Sun;Rui Sun;Tianyi Hu;Shuowen Wang;Shihua Yuan;Wen Zhang;Muhammad Imran Lashari (1School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, China;2Refractory Materials Research Central, Northwest Institute for Non-Ferrous Metal Research, Xi\'an, 710016, China)
出处: Materials Characterization 2023 Vol.201 P112960
关键词: Selective-laser-melted superalloy;Elevated temperature;Subsurface fatigue cracking;Microstructure characteristics;Dislocation structures
摘要: Subsurface fatigue cracking behavior related to microstructure characteristics at 650 °C of a selective-laser-melted as-deposited superalloy was exper ...
作者: Li, Xiaolong1;Li, Wei1;Hu, Tianyi1;Yuan, Shihua1;Zhang, Yucheng1;Li, Cheng1;Cai, Liang1;Sakai, Tatsuo2;Imran Lashari, Muhammad1;Hamid, Usama1; (1School of Mechanical Engineering, Beijing Institute of Technology, Beijing, 100081, China;2College of Science and Engineering, Ritsumeikan University, Kusatsu, 5258577, Japan)
出处: Theoretical and Applied Fracture Mechanics 2023 Vol.123
摘要: Asymmetric load tests with stress ratio of 0.1 at 25 °C, 750 °C and 1000 °C were performed to investigate the high-cycle and very-high-cycle fatigue p ...
作者: Li, Xiaolong1;Li, Wei1;Hu, Tianyi1;Yuan, Shihua1;Zhang, Yucheng1;Li, Cheng1;Cai, Liang1;Sakai, Tatsuo2;Lashari, Muhammad Imran1;Hamid, Usama1; (1 Beijing Inst Technol, Sch Mech Engn, Beijing 100081, Peoples R China. ;2 Ritsumeikan Univ, Coll Sci & Engn, Kusatsu 5258577, Japan.)
出处: THEORETICAL AND APPLIED FRACTURE MECHANICS 2023 Vol.123
关键词: MINIMUM ENERGY FORMALISM; NICKEL-BASED SUPERALLOY; SLIP BAND MODEL; DEFORMATION MECHANISMS; BASE SUPERALLOY; TEMPERATURE; INITIATION; FAILURE; CREEP; SOLIDIFICATION
摘要: Asymmetric load tests with stress ratio of 0.1 at 25 degrees C, 750 degrees C and 1000 degrees C were performed to investigate the high-cycle and very ...
发明人: 吴维,侯潇男,段仪征,苑士华
申请人: 北京理工大学
申请号: 202310040941.7
申请日期: 2023.01.11
摘要: 本发明公开一种高压配流盘空化可视化试验装置,包括上盖,上盖底部中心抵接有透明机构,上盖底部可拆卸连接有底座,底座中心开设有沉槽,透明机构位于沉槽内。本发明通过观察沉槽内的透明机构进而观察空化现象,并且可以进行较高负载压力下的可视化试验,从而可以探究不同负载压力下的空化现象,进而提高轴向柱塞泵的效率和 ...
发明人: 吴维,韦春辉,侯潇男,苑士华,李鑫勇
申请人: 北京理工大学
申请号: 202310529184.X
申请日期: 2023.05.11
摘要: 本发明公开一种高速轻量化强化散热轴承保持架,包括轴承内圈和设置在轴承内圈外侧的轴承外圈,轴承内圈和轴承外圈之间安装有滚动体,滚动体和轴承外圈之间安装有散热轴承保持架,散热轴承保持架上等间隔设有若干兜孔,散热轴承保持架包括窄口端和宽口端,窄口端设有窄口端散热机构,宽口端设有宽口端散热机构。本发明的散热 ...
发明人: 吴维,侯潇男,罗俊林,苑士华
申请人: 北京理工大学
申请号: 202310421543.X
申请日期: 2023.04.19
摘要: 本发明公开了一种液压驱动车辆转向控制策略,包括以下步骤:获取发动机的负载转矩,基于所述负载转矩,获得发动机的油门开度前馈控制量;基于方向盘转角获得发动机的目标转速,对发动机的目标转速与实际转速进行对比分析,获得油门开度修正量;将所述油门开度前馈控制量和油门开度修正量相结合,调整油门舵机角度,进而控制 ...
发明人: 吴维,段仪征,侯潇男,苑士华
申请人: 北京理工大学
申请号: 202310414828.0
申请日期: 2023.04.18
摘要: 本发明涉及传感器技术领域,特别是涉及一种温压一体传感器的封装结构,包括传感器芯体,传感器芯体底部固接有传感器基座,传感器芯体中部外侧固接有锁紧组件,锁紧组件中部卡接有安装部,安装部的中轴线与传感器芯体的中轴线共线设置,传感器芯体顶部设有电路组件,电路组件和锁紧组件之间设有间隙,间隙内填充有填充部,电 ...
作者: 张建,周俊杰,苑士华,荆崇波 (北京理工大学机械与车辆学院特种车辆研究所)
出处: 机器人 2023 第45卷 第3期 P367-384
关键词: 水陆两栖仿生机器人;仿生学;本体构形;运动机理;建模与控制
摘要: 从水陆两栖机器人本体构形、推进动力学建模、多环境运动控制等方面对水陆两栖机器人近期的研究现状进行综述。首先,按照两栖机器人结构类型将两栖机器人分为腿式推进、轮腿/鳍复合式推进、蛇形推进、球形两栖机器人等;然后,介绍两栖机器人在水、陆环境中推进的动力学建模方法,以及目前常用于水陆两栖机器人的多环境运动 ...
作者: Zhang, Jian1; Zhou, Junjie1; Yuan, Shihua1; Jing, Chongbo1 (1Special Vehicle Research Institute, School of Mechanical Engineering, Beijing Institute of Technology, Beijing; 100081, China)
出处: Jiqiren/Robot 2023 Vol.45 No.3 P367-384