针对寿命分析的关键参数管壁温度进行了深入研究。
The tube metal temperature of high-temperature heating surface is studied in detail.
同时亦介绍采用分段设计方法控制热管管壁温度的必要性。
It also introduces the necessity of controlling wall temperature of heat pipe by means of stepwise design.
锅炉水冷壁金属管壁温度的波动与水冷壁管横向裂纹失效有很大的关系。
The wall-temperature fluctuation of water-wall tubes is one of the important causes for transverse-cracking failure of water-wall tubes.
并指出高温腐蚀及腐蚀速率与受热面上的结灰具有腐蚀性及管壁温度有关。
The paper also points out that the corrosion at high temperature and the corrosion rate are related to the corrosiveness of fuel ash accumulated on heating surface and the temperature of tube wall.
肋片的散热效率随管壁温度的升高而减小,壁温较高时安装肋片的必要性降低。
The heat rejection efficiency of the fin is decreased with the temperature of tube wall decreasing, and the necessity of fitting fin is reduced when the wall temperature is higher.
如果物质也有高强度在高温下,壁厚可减少,这反过来又进一步降低了管壁温度。
If the material also has high strength at elevated temperatures, the wall thickness can be reduced, which, in turn, further reduces the wall temperature.
开大添加风量时应缓慢当心,应超前做好过热汽温调整加强对过热器管壁温度监督。
Open the add volume should be slow to be careful, be well ahead of the superheated steam temperature of superheater tube wall temperature adjustment to strengthen supervision.
采用外螺旋肋片管实现高温侧强化传热后,再热器管壁温度升高,所需贵重金属耗量增加。
The temperature of the tube went up and then the expenditure of expensive alloy increased by using extern spiral finned tube, which enhanced the external heat transfer.
该模型只利用进出口烟气温度、空气预热器管壁温度和烟气压降等易测参数来监测积灰情况。
The model is based on the easy measurable parameters, such as the inlet and outlet temperature of flue gas, the wall temperature of air preheater, and the pressure difference of the air preheater.
本文研究了氖气压、输入电压、管壁温度和放电管气氛对铜蒸气激光器振荡—放大链最佳延时的影响。
Influence of Ne pressure, input voltage, wall temperature and discharge tube atmosphere on optimal delay of the CVL oscillator - amplifier chain is studied.
针对目前大型煤粉锅炉屏式过热器管壁温度计算不准确的问题,提出了屏式过热器三维管壁温度计算方法。
At present, the method for calculating the tube wall temperature in a furnace chamber is not exact.
过热器管壁温度一直是电站锅炉寿命在线监测与安全评估的主要参数之一,如何准确地确定管壁温度有着重要意义。
The tube temperature of super-heater is always an important parameter about life of the utility boiler on-line monitoring and evaluating of safety.
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.
该系统对锅炉过热器进行热偏差和管壁温度仿真模拟计算,并可对在线运行的锅炉进行预报,为锅炉的运行以及重新设计提供依据。
The system can made analogy computation for the thermal deviation of the boiler superheater and the temperature of the boilers pipe, then, the defects of the components of the boil…
水冷壁结构分析结果显示,爆裂处的水冷壁鳍片宽度比其他位置的鳍片约大2倍,使该处的水冷壁管壁温度高于其他位置的水冷壁管。
Structure analyzing shows fin breadth is wider 2 times than that of other parts which makes water wall temperature higher than that of other position.
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.
采用有限差分方法对膜式水冷壁这一形状不规则的管壁进行温度场分布计算。
With the help of a finite difference method a temperature field distribution calculation is conducted of a membrane water wall, a tube wall with an irregular shape.
根据温度计算结果,获得管道的剩余强度因子,进而判定管壁是否烧穿。
The remaining intensity factors of the pipe are obtained to judge if the wellbore is burn through according to the result of calculation.
从油品性质、油品温度、工艺流程和鹤管壁温等因素,剖析了铁路油罐车轻油鹤管发生气阻的原因。
The paper analyzes the reasons of vapor lock of light oil swing arm for rall tanker from oil property, oil temperature, technological flows and the wall temperature of swing arm.
对影响冻干机冷阱传热性能的两个因素(冷阱盘管壁面温度和结霜厚度)进行了实验研究。
An experimental study on the performance of freeze-dryer's cold trap has been carried out under different temperature of the cold trap coil and different frost thickness in the paper.
越靠近管壁,温度降低幅度越大。
Furthermore, the nearer to the pipe wall, the faster the temperature decreases.
研究发现动脉粥样硬化斑块表面的温度与正常血管壁的温度有差异,不同的动脉粥样硬化斑块依据其易损程度的不同其温度异质性也不同。
Studies have revealed that thermal heterogeneity is exist between the vulnerable plaques and healthy vessel wall and it is not same in different plaques because of different vulnerability.
本文采用有限元法分析了管壁加强开孔椭球壳的应力状况,讨论了壳体温度对于壳体应力和材料强度的影响。
In this paper, the stress state of an ellipsoidal head with pipe reinforcement holes analysed by the finite element method is presented.
蒸汽锅炉进入尾部烟道的飞灰由于温度较低,具有一定的硬度,因此随烟气初级受热面排管时,会对管壁产生磨损作用。
Into the tail flue of fly ash due to the low temperature, has a certain hardness, so primary heating surface with flue gas exhaust pipe, the wear and tear on the wall.
管道横截面上的速度、温度分布不均匀,越接近管壁速度越小,温度越高。
The velocity and temperature distributions are nonuniform on cross section. The velocity is small and the temperature is high close to the pipe wall.
通过采用提高煤油温度及对爆震管壁面加热的方法,对于点火及爆震起爆过程起着十分重要的促进作用。
By means of heating kerosene and the tube wall, the ignition and the subsequent detonation initiation were promoted markedly.
通过采用提高煤油温度及对爆震管壁面加热的方法,对于点火及爆震起爆过程起着十分重要的促进作用。
By means of heating kerosene and the tube wall, the ignition and the subsequent detonation initiation were promoted markedly.
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