The wall-temperature fluctuation of water-wall tubes is one of the important causes for transverse-cracking failure of water-wall tubes.
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。
Book pages artificially yellowed (by leaving them in the sun, or very carefully baking them in an oven at a low temperature) make terrific faux-antique wall decoration.
书也可以人工变黄(通过放在太阳下晒,放入烤箱低温非常小心地烘烤)来做成极好的仿古董墙装饰。
At the same axial location, wall temperature increases linearly as the engine frequency increases.
同一轴向位置处,壁温随爆震频率的升高而升高,并呈线性关系。
The thermal equilibrium time of wall temperature decreases linearly with the detonation frequency increasing.
壁温分布热平衡时间随爆震频率的升高而减小,且基本上呈线性关系。
Two dimensional numerical simulation is presented for flow and heat transfer in rectangular microchannel with uniform wall temperature in slip regime.
在等壁温边界条件下对矩形微细通道速度滑移区的对流换热进行了二维数值模拟。
The calculation results of the model show that the addition of solid particles makes the fluid turbulent flow enhance, the heat transfer enhance and the wall temperature decrease.
由模型计算结果可知,固体颗粒的加入使流体的湍流程度增强,强化了传热,降低了壁温。
To well control the tube wall temperature of reformer, well adjust top spring hanger on the reformer tube and well control the flame from burner on the top of furnace is important during operation.
在操作中,要控制好转化炉管的壁温,调整好转化炉管顶部的弹簧吊架,调节好炉膛顶部的烧嘴火焰。
The simulation results demonstrated flow velocity, turbulence kinetic energy and wall temperature increased with increment of heat flux.
计算结果表明:随着热通量的增加,流场的速度、湍流强度和壁温均升高。
The results show that, under the conditions of high altitude, the flame tube wall temperature of the same axial position is increased with the increase of Mach number;
结果表明:在高空条件下,火焰筒同一轴向位置的壁温随马赫数的增大而升高;
Results showed that the net heat loss on the downstream side of the jet nozzle could reach 20 ~ 30% of total heat flux. Therefore it can not be neglected in calculating the wall temperature.
结果表明,喷管下游端的壁面辐射损失高达壁面总热流的20 ~ 30%,在壁温计算时不容忽略。
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.
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。
On this base, the formula used for calculating the side pressure of ring wall, ring tensile and temperature contraction stress is established for engineering design.
在上述基础上提出的环墙侧压力、环拉力和温度收缩应力的计算公式,可供工程设计中采用。
ULQ plasma with fine confinement and high temperature is obtained after wall carbonization and siliconization.
真空室壁经过碳化、硅化等处理得到高温度稳定约束的ULQ等离子体。
It also introduces the necessity of controlling wall temperature of heat pipe by means of stepwise design.
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。
The effects of the heat flux, wall temperature and flow resistance on the nondimensional entropy generation density have been discussed.
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 results show that the shock standoff distance is increased and total drag coefficient and wall temperature are reduced with increasing external magnetic field.
结果表明,随着磁场的增强,激波脱体距离逐渐增加;总阻力系数和壁面温度逐渐减小。
Aimed at the fact that the wall temperature of heat exchanger is lower than the dew point of flue gas, the thermal energy utilization system for flue gas of positive draft gas boiler is proposed.
针对烟气换热器壁面温度会低于排烟露点的情况,提出了正压通风燃气锅炉排烟热能利用系统。
It is very important for improving boiler's efficiency and safety to monitor on wall temperature of heat exchanger in boiler.
在锅炉系统中,过热器的壁面温度是非常重要的监测参数,关系到机组安全及运行效率。
A formula of heated wall temperature of a hot air furnace was derived in this paper.
推导了热风炉受热面壁温的计算公式。
There is an optimal inlet concentration, which corresponds to the lowest wall temperature and the highest hydrogen fraction at the outlet.
存在最佳的反应物组分比,从而获得较低的壁面温度和较高的出口氢气含量。
The collapsibility of the sodium silicate dolomite sand is controlled by the size, wall, pouring temperature, capacity for sand and draw time of the cast.
证明水玻璃白云石砂的溃散性与铸件的大小、壁厚、浇注温度、吃砂量和打箱时间有关。
The temperature of tunnel wall, coefficient of unsteady heat exchange and thickness of heat-adjusting layer at constant air temperature in a tunnel are calculated.
求算了巷道风温恒定时岩体壁面温度、岩体与空气的非稳态热交换系数和围岩调热圈厚度。
Outer door temperature, solar radiation and area ratio of window to wall have impact on the indoor air temperature change.
分析了室外气温,太阳辐射,窗墙面积比对房间温度下降与上升的影响。
The results show that the air and wall temperature rises instantly with high amplitude of temperature variation, when the train moves through the tunnel.
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 distribution of wall temperature is greatly influenced by the fuel supply quantity and the Mach number of main stream, but little influenced by the temperature of main stream.
供油量和主流马赫数对试验件的壁温分布趋势影响较大,主流温度对壁温分布趋势的影响较小。
As a new type of thermal insulation material in the wall, it has excellent thermal insulation performance, can heat insulation on the wall, to ensure the most appropriate indoor temperature.
作为墙体中的新型保温材料,具有优良的保温性能,能够对墙面进行隔热处理,保证室内最适宜的温度。
Obtains the variety patterns of outlet water temperature, transient borehole wall temperature, heat exchange capacity per length and temperature distribution in certain distances from the pipe.
研究了埋管出口流体温度、钻孔瞬时平均壁温、单位长度吸热量以及距钻孔一定距离处土壤温度分布随运行时间的变化规律。
The relative curve between heat tube constructive parameter and wall temperature is obtained.
这些结果对热管换热器的防止低温腐蚀设计有一定的参考价值。
Using the variable transformation method, the formulae of the axial symmetrical wall temperature distribution during steady heat conduction of a hollow cylinder are derived in this paper.
采用坐标变换法导出了圆筒空间轴对称问题稳态热传导温度分布的关系式。
Authors introduce external insulation construction technology in external wall and low temperature floor radiate heating construction technology in Baoji.
介绍了宝鸡市专威特外墙外保温技术与低温地板辐射采暖技术的施工工艺。
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