设计了复合圆筒壁温度测试实验装置。
冻结时间、冻结壁厚度和冻结壁温度场的性状是冻结法施工的关键参数。
The freeze time, the thickness and the temperature field behavior of the frozen wall are the critical parameters in freezing construction.
采用数值方法研究了不同冷却速率、不均匀模壁温度对塑件残余应力的影响。
Effects of different cooling rates and uneven mold temperature on the residual stress inside injection molded parts are studied with the help of numerical methods.
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.
建立了高炉铸钢冷却壁的有限元模型,确定了冷却壁温度场模拟的初始条件和边界条件。
The finite element mould of the cast steel cooling stave of blast furnace was established and the initial conditions and boundary conditions were determined.
实验结果表明:1)在周期性脉冲热流的作用下,钻孔壁温度呈周期性震荡并逐渐升高;
The results show that:1)Under a periodical pulsed heat generation, the temperature of borehole wall has a fluctuant rising tendency;
通过安装大量的温度测点对锅炉40%负荷运行时的水冷壁温度进行了比较全面的测试。
All-around experiments on the temperature of the evaporator wall are performed under 40% load through large quantities of temperature metrical points.
同时根据计算结果讨论了冷却水管水垢厚度、气隙层厚度对高炉铸钢冷却壁温度场的影响。
The influences of two factors including thickness of scale of cooling water-pipe and air clearance exerting on temperature field of stave is discussed based on calculation.
通过实测和计算,研究不同冷却条件对型壁温度、合金释放的热量、型壁增加的热量的影响。
Through pratical measurement and calculation, the influence of die wall temperature, metal released heat, dies wall increased heat by different cooling conditions have been researched.
结果表明在环境相对湿度较小、冷壁温度不太低的条件下,这种涂层能够较好地抑制霜层的生长。
The experimental results demonstrate that this coating could restrain the frost growth in the condition of lower relative humidity and higher cold plate temperature.
本文针对转管炮炮壁温度测试过程中存在的测试环境恶劣、干扰多等特点,设计了基于K型热电偶的离线式测温系统。
So an based on the K-type thermocouple temperature measurement system of the off-line is designed in the article.
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.
上个月,加拿大研究人员预测温度升高将会使壁虱和蚊子一类的昆虫扩散到北方更远的地区。
Last month, researchers in Canada predicted that temperature increases there will spread insects like ticks and mosquitoes farther north.
探讨了在水平冻结情况下覆盖厚度(埋深)、冻土壁厚度、开挖半径、含水量和盐水温度对冻胀位移的影响。
The influence of different covered depths, thickness of frozen wall, excavating radius, original water content and brine temperature on frost displacement are discussed for horizontal freezing model.
半湿物料粘壁主要与喷雾干燥塔结构、雾化器结构、安装、操作以及热风在塔内的运动状态有关。物料熔点低于干燥温度时容易产生热熔性粘壁。
The wall sticking of half wet material is concerned to the structure, fixing and operation of spray drying tower and sprayer, the motion of hot air in tower.
壁面最高温度及达到最高温度的时间随壁面方位不同而不同。
The maximum temperature and the time when the maximum temperature is reached are different with different slab directions.
本文利用红外热成像仪对不锈钢微管内水的流动沸腾的壁面瞬态温度场进行了测量。
The transient temperature field at surface of a stainless steel micro-tube, in which flow boiling of water occurs, is measured by the Infrared Radiometer.
涡轮叶片内部冷却特性直接影响到叶片的壁面温度分布,必须对其展开详细的研究。
The temperature distribution of the nozzle guide vanes are affected greatly by the flow and heat transfer of the internal cooling passages.
本文根据热弹理论,提出了组合厚壁圆筒温度应力的计算公式。
Formulas based on the thermoelastic theory for computing temperature stresses in the composite hollow cylinder are presented in this paper.
此外,还分析了冷媒温度、冻结时间和冻结壁厚度的关系。
Moreover, relation between temperature of cold media, freezing time and the thickness of freezing wall is analyzed.
测量结果显示:当隧道内有列车通过时,气温和壁面温度都瞬间升高,气温变化幅度较大。
The results show that the air and wall temperature rises instantly with high amplitude of temperature variation, when the train moves through the tunnel.
计算结果有助于了解和掌握燃烧室冷却水流场和燃烧室壁的温度场分布。
The result can help us realize temperature distribution of cool water and chamber's wall.
质量浓度为5%的悬浮液在在整个质量流量范围内总是表现出比水好的冷却性能,它对应的是更低的壁面温度以及更好的传热系数。
The 5% suspension always shows better cooling performance than water with lower wall temperatures and enhanced heat transfer coefficient within the whole range of mass flow rates.
分析了超临界锅炉水动力特性对下辐射区水冷壁出口温度的影响。
The influence of supercritical boiler's hydrodynamic characteristics to the outlet temperature of water wall's lower radiation zone is analyzed.
气缸盖各缸燃烧室壁面温度分布不同,其中三缸燃烧室壁面温度较低。
Differential distribution of wall temperature in combustion chamber is founded in cylinders, and the lowest wall temperature is in cylinder No.
讨论了壁面热流、壁面温度及流动阻力对无因次熵产强度的影响。
The effects of the heat flux, wall temperature and flow resistance on the nondimensional entropy generation density have been discussed.
壁面温度仅对出口平均温度的影响较大,对火焰最高温度的影响较小。
The wall temperature has remarkable effect on the averaged exit temperature, whereas, it has small effect on the maximum combustion temperature.
交叉肋通道壁面温度沿流体流向的梯度要比平行肋通道的小。
The stream wise wall temperature gradient for the crossed rib one is lower than that for the parallel rib one.
试验结果表明:燃油温度、壁温都是影响沉积速率的重要因素,但油温的影响比壁温更大。
The results showed both fuel temperature and wall temperature are very important for the deposit rate, but the fuel temperature is move important than the wall temperature.
考察流体流速、壁面温度、主体温度和溶液浓度等参数对结垢速率的影响。
The effects of some factors on the fouling rate have been studied, such as flow velocity, wall temperature, bulk temperature and solution concentration.
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