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- fixed laser spot heat source 静置激光点热源
- By means of the finite element method, the unsteady-state temperature fields were gained by numerical calculating in the process of laser cutting with high energy density and moving spot heat source. 应用有限元法,数值求解了激光切割这种高能流密度、移动点热源所形成的非稳态温度场,得到了激光切割石油筛管过程的传热规律。
- Spot heat source 热源法
- The cutting tool works by moving the metal under a fixed laser. 切割工具是通过移动金属到固定的激光下工作的。
- In the paper the algorithm of calculating parameters, the method of structure layout, and the way of mounting linear CCD on laser spot source probe are analyzed at all details. 本文详细分析了点光源激光测头设计参数计算及结构布局方法,线阵ccd器件安装方式。
- Do not place LCD on heat source positions. 不要把显示器放在热源位置上。
- Heat source model is the shoe pinches of the temperature field numerical simulation for laser beam penetration welding. 热源模型是激光深熔焊温度场数值模拟分析的关键。
- Do not bleach and leave to dry away from heat source. 不要漂白也不要用加热来烘干它。
- Dry, cool conditions, faraway from fire and heat source. 干燥;凉爽环境下;远离火源;热源.
- Because two area CCDs are adapted in the system, it can orientate the space spot of laser spot center. 该系统采用双面阵CCD,可对激光光斑中心表示的空间点进行定位。
- Along with Constant Beam Length axis and fixed laser, it offers superior performance over traditional large plate systems. 随着不断的梁长轴线和固定激光器,它提供了卓越的性能超过传统大板系统。
- The border of laser beam penetration welding seam is simulated by the constructed heat source model and compared with the experimental results. 应用所建立的热源模型模拟分析了激光深熔焊焊缝边界形状,并与实验结果进行了比较。
- For the precise location of laser spot center on the complex target,a method based on residual pruning with geometric feature constraints is proposed. 为满足复杂靶标背景下激光光斑形心的高精度定位要求,提出了一种基于几何特征约束残差修剪的定位方法。
- FWG capacity test is carried out using jacket water of M/E as heat source. 以主机缸套水作为热源,进行造水机制淡产量试验。
- The coaxiality is computed from the measured coordinates of laser spot center and measured circumference data in several sections of holes. 同轴度由多个截面的光斑中心坐标值和圆周采样数据按一定的方法计算。
- Based on the detection principle of pyroelectric sensing elements, this paper presents a symmetrical peak detection method of continuous double plus-minus pulse signals to eliminate external interference in fixed position heat source. 根据热释电敏感元件的探测原理,本文提出一种对正负脉冲信号和连续正负脉冲信号进行对称峰值检测的方法。
- The laser spot of the upright incidence to train wheel is imaged on CCD.While the train wheels are frayed, the image of spot will take place displacement. 激光束垂直入射到火车车轮上,再用透镜将火车车轮上的激光光斑成像到CCD上,当火车车轮产生磨损时,CCD上激光光斑的像也将发生位移。
- Ambient air, exhaust air, soil and rock are the most common heat source types. 室外空气、回风、土石是目前常见的热源形式。
- Keep away from dust, humidity, rain, heat source and direct sunlight. 尽量避免灰尘、潮湿、雨水、高温和直接阳光照射。
- Keep away from dust, humidity, rain, heat source and direct sunlight. Fragile. 远离灰尘、潮湿、雨水、热源和阳光的直接照射。小心轻放。