设备寿命诊断主要研究设备部件在非稳态下的温度及热应力变化规律、金属材料的疲劳特性以及部件的寿命损耗。
Equipment life-span diagnoses mainly research the variation rules of unit part in unsteady temperature and thermal stress, fatigue characteristic of metals and life deterioration of equipments.
根据这一思想，笔者设计了一套汽缸温度场，热应力，热膨胀的可视化分析软件包。
Based on the theory above a software package is designed to calculate casing temperature field, thermal stress and thermal expansion.
在热应力测试之前是否确认锡炉的温度？
Is the temperature verified on the solder pot before coupons are thermal stressed?
在铝薄带超常铸轧过程中，铸轧辊套温度场周期性的变化引起铸轧辊套内热应力场的周期性变化。
Roll shell's thermal stresses cyclically vary with the changes of its temperature field in the process of twin roll casting.
并以此温度场为边界条件，利用FEA软件计算了机体热应力和热变形。
Then, the temperature field is loaded in FEA software to predict thermal stress and deformation.
研究了温度循环载荷下叠层芯片封装元件(scsp)的热应力分布情况，建立了SCSP的有限元模型。
A finite element modeling of SCSP was performed. The distribution of thermal stress of SCSP under temperature cycle was analyzed.
为模拟激光介质的温度、热应力的分布和变化，建立了激光介质热力学计算模型。
The thermodynamic model was established for analyzing the temperature and the thermal stress in laser medium.
晶体生长期间，温度梯度和熔体重力引起的热应力和压力应力使坩埚底下陷并在底的中部产生裂隙。
The subsidence of the bottom and the cracks in the middle of the bottom are caused by temperature gradient and melt gravity during crystal growth.
介绍了石油库输油管路系统因温度变化、热应力、水击和腐蚀所造成的管路损坏的原因，阐述了预防事故发生的方法。
Impacts of temperature change, heat stress, soaking and corrosion on pipe damage are presented. Measures to prevent accidents are also introduced.
温度和热应力是罩式退火过程中的两个重要参数。
The temperature and thermal stresses are important parameters in the process of bell type annealing.
熔积成形的技术关键是成形性与热应力的控制，而这些与成形过程的温度场和应力场紧密相关。
The key of this technology is the formability and the control of the thermal stress. And these are associated with the temperature field and stress field.
由于乙烯爆炸性分解，在反应管壁厚上形成极陡的温度梯度和幅度很大的热应力。
The explosive decomposability of ethylene will lead to much large temperature gradient and great range thermal stresses response on thick wall of reactor.
并用有限差分法对瞬态温度场与热应力进行了校核计算，其结果与实测完全吻合。
Verification calculation of transient temperature and stress distributions were performed with the finite difference method, and the results coincided with the measurements.
多层圆管结构在不稳定导热过程中的温度场及其热应力状态，关系到结构的安全可靠性。
The temperature field and the thermal stress state of multilayer Wall pipe have a heavy effect on the reliability of structure.
本文采用有限元方法对高速轮轨列车制动盘的瞬态温度场和热应力进行了分析研究。
In this paper, numerical analysis is carried out by the finite element method for the transient temperature fields and thermal stresses of high-speed locomotive braking discs.
然后，根据温度场的分布结果计算出模块内部热应力场的分布状态。
The thermal stress distribution can be obtained from the calculated result of temperature field in the packaging.
含水层储能过程中回灌水的温度与背景温度不同，固体骨架温度变化产生的热应力将导致有效应力的变化。
In the processes of aquifer thermal energy storage, the variation of temperature in solid matrix will bring about thermal stress and result in the change of effective stress.
定量分析热应力的首要前提是确定部件的温度场，在温度场的基础上才能进行热应力的求解。
When to make quantitative analysis, thermal-stress is the first precondition, the temperature field can be conducted on the basis of the thermal stress solution.
计算结果表明：活塞在热冲击期间表现的温度及热应力的动力学效应是必须加以考虑的。
It was shown that the dynamic effect of the temperature and thermal stress of piston must be considered during thermal shock.
得出了结论：由温度变化引起的齿冠热应力值很小，在进行齿冠材料设计时可以不考虑热应力的影响。
It was concluded that the heat stress due to the change of temperature was very low so the heat stress could not be considered for the material design of the crown.
通过积分变换方法，求解热传导和热弹性力学方程组，由此得到激光辐照引起的温度场和热应力场的瞬态分布。
The equations of heat conduction and thermoelastic dynamics are solved through integral-transform method. Transient distribution of temperature field and thermal stress field is described.
该文运用实验的方法对木材切削加工所用的圆锯片上的温度分布进行了测定，据该温度梯度对圆锯片的热应力进行了详细的分析和计算。
This paper analyzes and calculates the thermal stress in the blades of circular saws used in cutting wooden pieces based on the detecting of temperature differences.
热应力主要是在制造过程中由于环境温度变化和封装材料热失配而产生的。
The stresses are formed in the manufacturing process because of the change of temperatures and the thermal mismatch between different materials.
采用有限元分析软件ANSYS，对某大型固定管板式换热器管板的稳态温度场和热应力场进行了三维有限元分析。
By use of finite element analysis software ANSYS, the steady-state temperature field and thermal stress field in the tubesheet of a large fixed tubesheet heat exchanger were analyzed.
本文采用有限元数值分析方法计算多层圆管的温度场，并把解析解与有限元相结合，提出一种求解其热应力的计算方法。
This paper used the finite element method to compute the temperature field, and combined finite element with analytic solution to develop a calculation of thermal stresses.
本论文进行模拟实验并有限元方法，获得蒸汽管道支管及接管座管壁温度场和热应力的分布规律，阐明热疲劳裂纹产生的原因；
To study the reason of appearance of the thermal diffuse crack, Temperature and thermal stress analysis of the steam pipe and correlative branch pipe was performed with finite element analysis method.
本文对锅炉启停工况中的汽包温度差所产生的热应力的原因及其不利影响进行分析，并提出控制的办法。
This article analyses the reason and unfavourable influence of thermal stress resulted from the drum temperature difference during starting or shutting boiler, and proposes the counter-measure.
再将温度引起的热应力和外力(如边界条件)之和作为力载荷施加到物体，求得总变形量。
Exert hot stress and external force (such as border terms) that temperature cause as the strength load the object and then, try to get total deformation amount.
再将温度引起的热应力和外力(如边界条件)之和作为力载荷施加到物体，求得总变形量。
Exert hot stress and external force (such as border terms) that temperature cause as the strength load the object and then, try to get total deformation amount.
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