检索范围:
排序: 展示方式:
Polyhedral linkages obtained as assemblies of planar link groups
GÖkhan KİPER, Eres SÖYLEMEZ
《机械工程前沿(英文)》 2013年 第8卷 第1期 页码 3-9 doi: 10.1007/s11465-013-0363-6
The study aims to devise means of obtaining polyhedral linkages for homothetic deployment of polyhedral shapes by embedding planar link groups in faces of the polyhedral shape of interest. The questions of which polyhedral shapes may be suitable for such a purpose and what are the compatibility conditions for spatially assembling planar link groups are addressed. Homohedral and tangential polyhedral shapes are found to be suitable for the task and some examples of linkages are worked out.
关键词: polyhedral linkages homothety homohedra tangential polyhedra
付宗营,赵景尧,蔡英春
《中国工程科学》 2014年 第16卷 第4期 页码 25-29
研究探讨了干燥过程中树盘受抑制干缩应变、自由干缩应变、弹性应变、黏弹性蠕变应变以及机械吸附蠕变的图像解析测算法;运用该方法测算了白桦树盘常规缓慢干燥(含水率分布均匀)过程中干缩异向性引起的弦向各应变,分析了干燥过程中不同含水率阶段的应力状态及应力与各应变的关系。结果表明:应变的图像解析测算法可满足精度要求;树盘干燥至fiber saturation point( FSP)以下,弦向首先受拉伸应力作用,随着干燥的进行,拉伸应力转变为压缩应力;应力方向与各应变对应关系不同,与黏弹性蠕变应变无明显对应关系,与机械吸附蠕变基本对应。
LU Chunxi, LI Ruxin, SHI Mingxian, LIU Xiancheng
《化学科学与工程前沿(英文)》 2008年 第2卷 第4期 页码 462-467 doi: 10.1007/s11705-008-0068-2
关键词: catalytic cracking separation efficiency tangential velocity agreement magnitude
Surinder Kumar GILL, Meenu GUPTA, P. S. SATSANGI
《机械工程前沿(英文)》 2013年 第8卷 第2期 页码 187-200 doi: 10.1007/s11465-013-0262-x
Machining of plastic materials has become increasingly important in any engineering industry subsequently the prediction of cutting forces. Forces quality has greater influence on components, which are coming in contact with each other. So it becomes necessary to measure and study machined forces and its behavior. In this research work, experimental investigations are conducted to determine the effects of cutting conditions and tool geometry on the cutting forces in the turning of the unidirectional glass fiber reinforced plastics (UD-GFRP) composites. In this experimental study, carbide tool (K10) having different tool nose radius and tool rake angle is used. Experiments are conducted based on the established Taguchi’s technique L18 orthogonal array on a lathe machine. It is found that the depth of cut is the cutting parameter, which has greater influence on cutting forces. The effect of the tool nose radius and tool rake angles on the cutting forces are also considerably significant. Based on statistical analysis, multiple regression model for cutting forces is derived with satisfactory coefficient (R2). This model proved to be highly preferment for predicting cutting forces.
关键词: unidirectional glass fiber reinforced plastics (UD-GFRP) composites machining cutting forces (tangential feed and radial force) ANOVA regression modeling carbide tool (K10)
Ruining WANG,Yubao ZHI,Junqing GUO,Qingmei LI,Li WANG,Jifei YANG,Qianyue JIN,Yinbiao WANG,Yanyan YANG,Guangxu XING,Songlin QIAO,Mengmeng ZHAO,Ruiguang DENG,Gaiping ZHANG
《农业科学与工程前沿(英文)》 2015年 第2卷 第3期 页码 230-236 doi: 10.15302/J-FASE-2015071
关键词: classical swine fever virus virus purification tangential-flow filtration size-exclusion chromatography
标题 作者 时间 类型 操作
Gas-solids separation model of a novel FCC riser terminator device: super short quick separator (SSQS)
LU Chunxi, LI Ruxin, SHI Mingxian, LIU Xiancheng
期刊论文
Prediction of cutting forces in machining of unidirectional glass fiber reinforced plastics composite
Surinder Kumar GILL, Meenu GUPTA, P. S. SATSANGI
期刊论文
陈炎:折展多面体(2023年3月30日)
2023年04月06日
会议视频
Efficient purification of cell culture-derived classical swine fever virus by ultrafiltration and size-exclusion chromatography
Ruining WANG,Yubao ZHI,Junqing GUO,Qingmei LI,Li WANG,Jifei YANG,Qianyue JIN,Yinbiao WANG,Yanyan YANG,Guangxu XING,Songlin QIAO,Mengmeng ZHAO,Ruiguang DENG,Gaiping ZHANG
期刊论文