提出了一种基于两端固定压杆的光纤光栅(FBG)啁啾度调谐的新方法,在FBG中引入线性应变,实现中心波长无移动啁啾度调谐。2) tuning without chirp 无啁啾调谐 1. In this paper,the principle of fiber Bragg gratings(FBG′s) tuning method based on elastic beam is analyzed,an axial strain transfer coefficient...
A new type of test method called multi-spots axial strain sensor was elaborated,the development conception and test principle were also introduced. 以钢筋混凝土简支梁正截面实验教学为例,分析了钢筋混凝土梁、柱轴向应变常用测试方法和存在问题;论述了钢筋混凝土梁柱多点轴向位移式应变仪的研制思路、测试原理;比...
We evaluated the quality of the generated images based on the five most crucial metrics for anatomical imaging: spatial resolutions (axial,lateral and elevational), signal-to-noise ratio, location accuracies (axial and lateral), dynamic range and con...
工程力学专业英语翻译 Translation Theconceptsofstressandstraincanbeillustratedinanelementarywaybyconsideringtheextensionofaprismaticbar.AsshowninFig.1,aprismaticbarisonethathasconstantcrosssectionthroughoutitslengthandastraightaxis.Inthis illustrationthebarisassumedtobeloadedatitsendsbyaxialforcesPthatproduceauniform...
轴向流axial flow 并向流co-current flow 对向流counter current flow 横向流cross flow 螺旋流spiral flow 旋拧流swirling flow 滞后流after flow 混合层mixing layer 抖振buffeting 风压wind pressure 附壁效应wall attachment effect, Coanda effect 简约频率reduced frequency 爆炸力学mechanics of explosion 终点弹道...
3. Strain The total elongation of a bar carrying an axial force will be denoted the Greek letterσ, and the elongation per unit length, or strain, is then determined by the equation (2) where L is the total length of the bar。Note that the strain Ԑ is nondimensional quantity。It ca...
建筑词汇英语翻译(A-B) 发布日期:2007-9-7 访问 502 次 a block 空心块 a frame a 型框架 a line 支座 反力影响线 abaciscus 嵌饰 abacus 栏杆小柱顶 abamurus 扶壁 abat jour 灯罩 abat vent 遮阳帘 abbrasive wheel 磨盘 aberration 偏差 ability 能力 ablation 磨蚀酌 abode 住宅 above ground struct...
In this paper, the measurement of complete stress deformation curves of axial tension of large size concrete specimen (250?mm ×250?mm) for the Three Gorges Project is performed successfully by use of a self designed tension apparatus. 采用自行组装的轴向拉伸装置成功地测得三峡三级配混凝土轴向拉伸...
Feasibility of energy harvesting from thin piezo patches via axial strain (d 31) actuation mode 来自 Springer 喜欢 0 阅读量: 23 作者:Naveet,Kaur,Suresh,Bhalla 摘要: Energy harvesting and structural health monitoring (SHM) are individually very active research fields in themselves. Piezoelectric mate...
With finite-element method,rigidity/strength analysis of the blades of axial flow hydraulic turbine is conducted by loading the force on the blade surface of model. 本文采用雷诺时均的N-S方程和k-ε紊流模型,采用有限体积法和非结构化网格,对转轮区域内的流体运动进行数值模拟,获取叶片表面的受力信息,...