Welding temperature field was analyzed by using non-linear curve fit method based on experiments.
建立了一种基于试验的非线性曲线拟合的新方法来分析焊接温度场。
A sensor and computer system was designed for the welding temperature field real time measurement by colorimetric method.
设计了用比色法实时检测焊接温度场的传感器与计算机处理系统。
A new infrared temperature measure system based on the calorimetric method has been developed to survey the welding temperature field in real time.
研制了一种新颖的单镜头双波长红外图像比色测温系统来实时检测焊接温度场。
Welding temperature field numerical simulation method was able to forecast and reflect the real distribution of whole welding temperature field accurately.
焊接温度场数值模拟可以比较准确预测并反映整体焊接温度场实际分布。
Numerical computation of 3d welding temperature field distribution is carried out using different heat source models. The differences of the computation results are compared.
针对具体算例，采用3种不同的热源加载模式进行三维焊接温度场的数值计算，并比较不同方法计算焊接温度场结果的差异。
In the developed CCD image sensor system, real-time collecting and disposing the welding temperature field image is realized by means of using the method of colorimetric temperature measure.
所研制的CCD图像传感器系统，通过采用比色测温的方法，实现了对焊接温度场图像的实时采集与处理。
To reveal the influence of forced convection on gas shielded arc welding temperature field, the infrared camera was used to investigate the temperature field of the base metal in CO2 arc welding.
为了研究强制对流对气体保护焊温度场的影响，通过红外热像仪检测了CO2气体保护焊的温度场，发现在熔池及其邻近区域温度呈圆锥型分布。
Some methods used in the control of welding deformation, such as reverse deformation, system analysis, controlling process parameters and temperature field, are introduced.
同时介绍了控制焊接变形的几种方法，如反变形法、控制工艺参数、控制温度场以及系统综合分析等。
Temperature field distribution of weldment, which reflects complex welding heat process, is a basic on studying welding deformation, residual stress and so on.
焊件中的温度场分布反映了复杂的焊接热过程，是研究焊接变形、焊后残余应力等状况的基础。
The correct description of temperature field during welding processes for quick heating and cooling is prerequisite for analysis of stress-strain of welded joints.
焊件在快速加热和冷却过程中温度场的正确描述是焊后接头力学性能分析的前提条件。
Considering the physical process of MIG welding, the numerical analysis model of the fluid flow and the temperature field has been developed.
综合考虑MIG焊接物理过程，建立了MIG焊接熔池流场和温度场的数值分析模型。
The corresponding relations between temperature field and microstructure of welding zone were validated by comparing simulation results with microstructure morphology.
通过模拟温度场结果与焊缝区组织的比较，验证了不同的温度场与不同焊缝组织的对应关系。
In this paper, relation between electron beam welding parameters and temperature field of beryllium is studied quantitatively with finite element method.
采用有限元方法，定量分析了电子束焊接工艺参数与铍环内表面温度的关系。
The temperature field in welding HAZ was studied and analyzed. Welding heat curve was set up by argon-shielded tungsten arc welding experiment.
通过钨极氩弧焊试验，对焊接热影响区温度场进行分析和研究，建立了焊接热循环曲线。
To control the temperature of a valve body in the process of welding, it introduces a device based on C8051F021 to rapidly measuring and controlling the temperature field.
为实现焊接阀体在焊接过程中的温度控制，设计了基于C8051F021单片机的温度场快速测控装置。
The design and field experiment of a digital temperature controller for a hot pressure welding machine was discussed.
针对热压焊机的温度控制问题，进行了数字控制器的设计与验证。
To get the temperature field of discontinuous welding exactly, thermocouple and IR-image equipment were used.
为了准确、全面地得到间断焊的温度场分布规律，采用了热电偶和红外热像仪两套数据采集系统。
An axisymmetric finite element model is developed to simulate the temperature field of resistant spot welding according to the process of nugget formation of three layers stainless steel sheets.
根据三层不锈钢板电阻点焊熔核形成过程，建立了模拟三层板点焊温度场的轴对称有限元模型。
But welding is a processing of local high temperature, the distribution of temperature field will affect the quality and performance of welding part.
但焊接成形是一个局部高温加热过程，温度场的分布影响焊接零件质量和性能。
The inertia friction welding process is a non-linear process because of the interaction between temperature field and material properties as well as friction force and thrust force.
焊接过程中的温度、材料热物性、摩擦力和顶锻压力的相互作用使焊接过程高度非线性。
The welding quality of pipeline is closely related to plate temperature in field welding.
石油管道的焊接质量与现场焊接时的板温密切相关。
Experimental research was conducted to verify the results of simulation. It can be concluded that the model can simulate the temperature field of TIG welding correctly.
采用热电偶测量了典型位置的温度场以验证模拟结果，结果表明，建立的模型能较准确地模拟薄板TIG焊的温度场。
The method adopts visual sensor monitoring and captures images of field of welding temperature of back of weld.
该方法利用视觉传感来对焊缝背面焊接温度场热图像进行实时检测及处理，从而达到控制焊缝熔透的目的。
The numerical simulated and experimental results accord with each other. It can be concluded that the temperature field of in-service welding can be simulated accurately by FEM.
温度场的模拟结果与试验结果吻合较好，采用数值模拟方法可以对在线焊接时的温度场进行较准确的模拟。
Based on summing up others' experience, this paper research the direct method to calculate and simulate the temperature and stress field at the same time through a board surfacing welding sample.
在总结前人经验的基础上，通过平板堆焊实例利用直接法同时计算焊接温度场和应力场，模拟出了焊接过程。
This thesis researches the temperature field measurement of the welding of electron beam in the vacuum and laser welding pool.
论文着重研究了真空电子束钎焊的温度场和激光焊接熔池温度场的测量。
Verifying by experiments, this paper compares different model of welding heater, and discusses the influence of the temperature field on deformation result.
比较了不同热分布的热源模型的结果，与实验进行比较，讨论了热分布对计算结果的影响。
The obtained transient temperature field can represent the basic characteristics of the real welding process and can be used as the foundation of thermal elastic-plastic analysis.
该温度场能够反映实际焊接过程的基本特征，可以作为焊接过程热弹塑性分析的依据。
The infrared thermal imaging system was used as a sensor to measure the temperature field of wrought magnesium alloy AZ31B during the laser-TIG hybrid welding process.
以变形镁合金az31 B为研究对象，采用红外热像仪拍摄镁合金激光- TIG复合热源焊接过程中的焊接温度场，提出一种基于红外辐射测温原理。
Based on theories of computational fluid dynamics and heat transfer, an axial symmetry finite element model of velocity and temperature field of spot welding for aluminum alloy is established.
根据计算流体力学与传热学原理，建立了描述铝合金电阻点焊液态熔核流动行为和传热过程的轴对称有限元模型。
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