• 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。

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  • 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。

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  • 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。

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  • At present, the method for calculating the tube wall temperature in a furnace chamber is not exact.

    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。

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  • 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。

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  • 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。

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  • The stream wise wall temperature gradient for the crossed rib one is lower than that for the parallel rib one.

    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。

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  • This paper provides a new method suitable for calculating wall temperature and heat flow of ceramic-coated flame tube.

    对具有陶瓷隔热涂层的气膜冷却式火焰筒壁面温度和热流提出一种计算方法。

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  • 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。

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  • 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。

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  • 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。

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  • 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。

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  • In order to realize better cooling effect for the floatwall structure, optimization study about the floatwalls wall temperature was performed;

    为了使得浮动壁结构具有更好的冷却效果,开展了浮动壁壁温优化研究;

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  • The wall temperature has remarkable effect on the averaged exit temperature, whereas, it has small effect on the maximum combustion temperature.

    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。

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  • Elevating the temperature of the cooling water or reducing the wall temperature before water quenching can prevent walls from yielding effectively.

    提高冷却水温度或降低进水冷焦前塔体温度能有效防止塔体产生塑性变形。

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  • 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。

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  • The effects of some factors on the fouling rate have been studied, such as flow velocity, wall temperature, bulk temperature and solution concentration.

    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。

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  • 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。

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  • Influence of Ne pressure, input voltage, wall temperature and discharge tube atmosphere on optimal delay of the CVL oscillator - amplifier chain is studied.

    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。

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  • 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。

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  • We use optimized digital filter and high accuracy transform circuits to precisely measure the external wall temperature of the autoclave and the air temperature in it.

    为保证釜体外壁温度和炉膛空气温度的测量精度,采用了优化数字滤波及精度转换电路。

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  • 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;

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  • Mathematic calculation of the wall temperature and CFD calculation of the indoor temperature are dependent on each other, so they are determined through an iterative procedure.

    因壁温计算和室温计算互相耦合,采用迭代计算的方法求解壁温和室温。

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  • 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.

    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。

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  • 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。

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  • 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。

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  • Through tests, the wall temperature distribution of platen type reheater has been obtained, and the over-temperature of reheater tube being known from the analysis of test results.

    通过试验得到屏式再热器的壁温分布,分析试验结果找出超温的再热器管。

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  • A calculation of the wall temperature distribution in liquid propellant rocket engine chamber with milled grooves was completed by the aid of three-dimensional finite element method.

    采用三维有限元模型对液体火箭发动机铣槽推力室进行了壁温分布计算。边界条件按一维经验公式处理。计算中比较了不同冷却剂流量。

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  • 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。

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  • 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。

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