Based on the characteristics of the DINROS code, a hottest channel model for the transient maximum cladding temperature is presented.
本文的主要任务是出于反应堆安全分析的要求,在系统安全分析程序DINROS程序中加入包壳热点温度分析的模型。
In laser coaxial cladding, laser casing qualities are directly affected by temperature field of powder flow for the interaction between laser and powers.
在激光同轴送粉熔覆中,由于激光与粉末流相互作用,粉末流整体温度分布直接影响激光熔覆的质量。
The influence of brazing temperature and cladding ratio of filler metals on brazing quality of aluminum oil cooler for automobile engine was researched.
研究了汽车发动机铝油冷器钎焊温度和钎料包覆率对钎焊质量的影响,借助金相显微镜对钎缝组织进行了分析。
The influence of laser power, scanning speed, powder feed rate, spot diameter and preheating on the temperature of molten pool were revealed in the process of single-pass cladding.
在单道熔覆中通过跟踪测量研究了激光功率、扫描速度、送粉速率、光斑直径和基体预热温度对熔池温度的影响规律。
The influence of heat treatment temperature on the binding interface morphology and properties of explosive cladding steel plate was studied.
研究了不同热处理温度对爆炸焊接复合钢板结合界面组织和性能的影响。
The effects of latent heat on temperature field were investigated via self-developed code joining with ABAQUS(superscript TM) for laser cladding procedure.
应用自编子程式与通用软件ABAQU(上标TM)联机模拟计算了考虑潜热影响的激光涂敷过程温度场的变化。
At the same time, the characteristics of the LPG temperature sensing about different cladding calorescence coefficient or grating period are showed.
同时在LPG温度传感方面,讨论了不同包层材料热光系数或者不同光栅周期影响下的特性。
This article describes the probe construction and the principle of NOTS, the mercury cladding optical waveguide to be made as its temperature probe.
介绍水银包层光波导作为测温探头的新型光纤温度传感器的探头结构及测温原理。
At present, the zircaloy-4 cladding tubes fabricated by low temperature process can meet the technical requirement, and can ensure the safety of nuclear reactor during its life cycle.
目前采用低温加工工艺生产的锆- 4合金包壳管已达到技术条件要求,保证了反应堆在燃耗寿期内的安全运行。
On the non preheating cladding layer, the eutectic austenite dendrite growth is along the opposite direction of temperature gradient beginning from interface to face of cladding layer.
在未预热的熔覆层内,先共晶的奥氏体枝晶的生长,从界面开始逆温度梯度方向定向生长.直到熔覆层的表面。
With laser cladding Co-base alloy coatings, the high temperature hardness and thermal fatigue resistance of H13 hot-working die surface were appreciably increased.
H13 热作模具钢表面经激光熔覆钴基合金后显著提高了模具的高温硬度和热疲劳抗力。
The FEM simulation of molten pool temperature filed of laser cladding was in accordance with the results of cladding experiments.
本文激光熔覆熔池温度场的有限元模拟与熔覆实验取得了较为一致的结果。
The analysis results also show that enhancing preheating temperature is an effective way to avoid cladding layer cracking.
提高基体预热温度可有效避免熔覆层开裂。
The increase of the preheating and liquid copper temperature of copper clad steel wires makes the cladding ratio down and the remelting time short.
钢芯线预热温度和铜液温度的升高使包覆比下降,重熔时间缩短。
A temperature rise model of laser cladding material powder by side-injection is established. In this model, the distribution of laser power is considered.
建立了侧向送粉激光熔覆粉末颗粒温升的数学模型,该模型可以考虑激光束的功率分布。
The results show that, in the multi-track cladding process, the temperature field ellipse leans to the formed cladding, the front cladding has preheating function to the following cladding.
多道熔覆前面道次的熔覆相当于对后续的熔覆有预热作用;
Compared with core glass, the effect of optical processing quality of cladding glass on interface defects was more evident when its viscosity at drawing temperature was higher tha.
研究表明良好的预制棒加工质量可有效改善光纤纤芯与包层的界面状态,并且相对于纤芯玻璃来说,粘度较高的包层玻璃其加工质量对界面缺陷的影响更为显著。
This paper discusses the influence of liquid adding rate, temperature holding time, flake treating manner and temperature on cladding rate.
讨论了滴液速率、保温时间、鳞片的处理方式及温度对包覆率的影响。
According to the character of laser cladding, a finite element model for analyzing the temperature field was built and the laser cladding process with powder feeding was analyzed with this model.
根据激光熔覆的特点,建立了激光熔覆温度场分析模型,对送粉激光熔覆过程温度场进行了有限元分析。
According to the character of laser cladding, a finite element model for analyzing the temperature field was built and the laser cladding process with powder feeding was analyzed with this model.
根据激光熔覆的特点,建立了激光熔覆温度场分析模型,对送粉激光熔覆过程温度场进行了有限元分析。
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