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- Constant heat input 常热流边界
- Fig.6 The effect of heat input on the UTS of the TIG welded joints. 图6线能量与钨极氩弧焊焊接接头极限抗拉强度的关系。
- It is found that the height of dryout point decreases as heat input increases. 研究结果表明,理论模型的计算结果与实验结果比较吻合;
- In this way, the constant heat flux boundary condition in DSMC method can be implemented. 该方法为实现壁面处给定热流边界条件下的直接模拟蒙特卡罗方法提供了途径。
- Weld whose heat resource is the laser, also owns the advantage such as low heat input and small heat deform. 以激光为热源的焊接同样也可以得到低热输入、变形量极少的效果。
- Fig.9 The effect of heat input on the average microhardness of both the HAZ and FZ. 图9焊接线能量与焊接接头熔合区和热影响区微观硬度的关系。
- Numerical analysis on convection heat transfer of laminar pulsating flow in a circular tube with constant heat flux and constant wall temperature is investigated. 对等热流和等壁温边界条件下圆管内层流脉冲流动对流换热问题进行了数值模拟。
- The energy boundary layer integral method is applied to the thermal developing region of laminar falling liquid film over a vertical plate of constant heat flux. 通过对降膜熔融结晶过程中晶层界面的热质传递特征及降膜表面上液膜流动和传质传热的分析,建立了描述该过程晶层生长的稳态模型,并进行了无量纲变化。
- The experiments show that laser welding with filler wire Alsi12 cna minimize hot crack due to the smallest amout of heat input into the ease material. 工艺实验表明 ,采用填充焊丝AlSi12激光焊接可有效抑制热裂纹的产生
- The heat input of gasification using coalite as solid heat carrier comes from combustion heat of the solid heat carrier in riser. 固体热载体煤气化的热量靠提升燃烧产生。
- Abstract: The feature of new developed HSLA steels for large heat input welding with low susceptivity to weld cracking was presented. 摘 要: 简要叙述了新研制的大线能量焊接低焊接裂纹敏感性调质高强度钢的特点。
- The operating frequency mainly depends on the length of system, while the amplitude depends on the heat input and stack position. 谐振频率主要受系统的长度影响,而声波振幅则与输入功率及板叠在谐振管中的相对位置相关。
- So it was concluded that lower heat input and suitable preheated temperature should be adopted to control grain size and microstructure morphology. 因此为提高焊接粗晶区的韧性,应采用小线能量和合适的预热温度来控制晶粒尺寸和组织形态。
- It also expands boiler house efficiency and flexibility by distributing total heat input amongst boilers and maintains a wide steam production range. 同时增加锅炉房的效率和灵活性,将总的热输入量分配各个锅炉,保持大范围蒸汽生产。
- On the basis of the similarity theory, the local impingement heat transfer coefficient of a single hole impinging on a plate in a limited space was studied with constant heat flux methods. 摘要在相似理论指导下用恒热流方法研究了封闭空间内单孔冲击局部换热系数。
- So the heat input should be kept low to weld galvanization steel sheet.In this paper the MIG welding machine is adopted with special sold... 因此,焊接镀锌板一定要减少热输入量,采用特殊的钎焊材料和性能优良的MIG焊机进行焊接。
- His wife was a constant inspiration to him. 他的妻子经常鼓励他。
- The microstructure of the deposited metal and the effect of the welding heat input on the formation of the deposited metal are studied. 分析了堆焊熔敷金属的显微组织,研究了焊接线能量对堆焊层金属显微组织形成的影响。
- "Basically, we wrap up the Michelin tyres in the blankets, stack them up, plug them in and they're subjected to a constant heat until we turn them off," says Marcus Prosser, Race Team Tyre Technician. “基本上,我们先将暖胎毯把轮胎裹起来,再将轮胎叠在一起。
- Numerical computation of3 D welding temperature distribution was carried out by using element birth and death to simulate the forming of weld bead and welding heat input. 在用有限元进行焊接温度场的数值计算中,通过控制单元的生死,来模拟焊缝的形成和焊接热量的输入,计算结果与焊接温度测试结果很接近。