In the end, a correction formula to get real wall temperature is built through simplifying the radiation transfer equation. 通过简化辐射传递方程,建立了由辐射温度计测量温度得到壁面真实温度的修正公式。
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。
Numerical Simulation of Wall Temperature Change for Coke Drum in Unsteady-State Process 非稳态过程焦炭塔壁温变化规律的数值模拟
The wall temperature increases with a rise of inlet temperature, but changes of the wall temperature distributions of the flame tube are not obvious. 火焰筒壁面温度值随着进气温度的增加而明显升高,但壁面温度分布变化不大;
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。
By giving an example to illustrate that: The environment temperature and wind velocity were the important factor affected the outside wall temperature of furnace. 通过举例说明环境温度和风速是影响加热炉外壁温度的主要因素,其中风速的影响尤其重要,而两者对散热损失的影响都不显著。
A research on frozen wall temperature field thawing characters under multi-coil tube freezing 多圈管冻结下冻结壁温度场融化特性的实测研究
Effects of wall temperature on unstart/ restart characteristics of hypersonic inlets 壁面温度对高超声速进气道不起动/再起动特性的影响
The wall temperature values from numerical calculation have acceptable agreement with that of experimental results. 蒸发器壁温的计算值与实验结果符合较好。
Control on Drum Wall Temperature Difference of Natural Circulation Boilers after Shutdown 自然循环锅炉停炉后汽包壁温差的控制
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 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。
The measured results indicated that the mold wall temperature approaches the temperature of cooling water. 实验结果表明,结晶器内壁温度趋近于冷却水温度。
Calculation on Flow Rate Distribution and Wall Temperature of Waterwall with Spiral Tube Coils of Supercritical Once-through Boilers 超临界直流锅炉螺旋管圈水冷壁流量分配及壁温计算
Influence of Wall Temperature of Discharge Channel on Hall Thruster 放电通道壁面温度对Hall推力器影响的研究
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. 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 amplitude of wall temperature fluctuation is larger than that of fluid temperature oscillation. 流量的波动又引起了管壁温度和流体温度的周期性波动;
Effect of the Positions of Thermocouples on the Wall Temperature Measurement; Heat Transfer and Fouling Characteristics of Sintered Porous Surface Tubes in NaCl Solution 测点分布对多孔管道加热面温度测量的影响烧结型多孔管在NaCl溶液中的传热与结垢特性
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。
Research of Thermal Power Plant Boiler Wall Temperature Forecast Based on BP 基于BP网络的火力发电厂锅炉管壁温度预测研究
The wall temperature distribution becomes more uniform when the ratio of the wall thickness to the hole diameter increases, and the cooling efficiency will decrease at the same time. 而减小单位面积开孔率对于壁温分布的影响较小,同时冷却效率也会降低。
In the paper, membrane water wall temperature fields of600 MW supercritical boiler of Qinbei power plant were calculated out in many work condition by numerical method. 基于有限元法对某电厂600MW机组锅炉在不同超临界工况下燃烧器区膜式水冷壁的温度场进行了分析和计算。
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。
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. 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。
Numerical Simulation of 2-D Incompressible Turbulent Flow over a Backward-Facing Step-Effects of Wall Temperature 平面不可压后台阶湍流流动的数值模拟&壁面温度的影响
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。
An Improved Method for the Wall Temperature Calculating of Utility Boiler Heater 动力锅炉加热器壁温的改进计算方法
Application of Optimized Wall Temperature Calculation Model in Wall Temperature On-line Monitoring of Utility Boiler 优化壁温计算模型及其在电站锅炉壁温在线监测中的应用
The distribution of wall temperature is not consistent with the periodic arrangement of the ribs. 变截面通道的壁面温度分布没有严格的以肋间距为周期的变化规律;
The infrared radiation and wall temperature were obviously decreased by cooling. 通过冷却,各喷管的壁温和红外辐射强度明显降低。