Theoretical Calculation and Experimental Research on Thermal Time Constant of Single-core Cables

单芯电缆 热 时间 常数的理论计算与试验研究

The simulation study of single neuron control scheme for use in the thermal process is carried out . The results of study show that the neuron control still has strong robustness under the case of greatly changing the main time constant and sampling period .

将单个神经元控制方案用于 电厂 热工过程进行仿真研究.研究结果表明，这种控制方案在被控对象主要 时间 常数和系统采样周期大幅度变化的工况下.仍具有强鲁棒性；

After sputtering with N-Cr a microstructure of temperature-sensitive sensor was formed and its character of R-T and thermal response time constant were measured .

然后在微桥上溅射镍&铬电阻薄膜，形成温敏传感器微结构，并对其温度电阻特性， 热响应 时间进行了测量。

The Response Time Index ( RTI ) which is a parameter of sprinkler actuation represents the thermal time constant for the heat-responsive element of an automatic sprinkler and the square root of the associated gas velocity .

反映洒水喷头动作速度的指标&响应时间指数RTI，是由洒水喷头 热敏感元件的 时间 常数和气体流速的平方根决定的。

When laser irradiates IR system the disturbance time of output signal is not only related with thermal effects generated by absorbed power of detector and filter but also related with the time constant of RC in IR system .

激光对红外系统输出信号的干扰时间不但与滤光片/探测器吸收入射光能量产生的 热效应有关，而且还主要取决于信号处理电路RC 时间 常数的影响。

Temperature data in transformer core during heating up under no-load test are analysed and mathematical model for temperature rise curves at some test points established thermal time constant in its expression assumed as a linear function of time .

分析了变压器空载试验时铁心温升过程的温度数据，得出试验点温升曲线的数学模型，其表达式中 热 时间 常数为时间的一次函数，而试验点的极限温升可直接求出。

A study on the thermal performance of the solar air heater is presented . The methods to test the time constant resident time incident angular modifier and instantaneous thermal efficiency are suggested .

该文对该类集热器 热性能评价方法进行了研究，并对集热器的 时间 常数、热延迟 常数、角系数修正因子及瞬时热效率的实验方法进行了初步的实验研究。

The activation energy of thermal relaxation of dipoles for main-chain segmental motion in amorphous region was decreased linearly and the time constant of dipolar thermal relaxation was increased exponentially with increasing of crystallinity .

被冻结的分子主链段偶极 热松弛活化能随结晶度增大线性减小，热松弛 时间 常数则随结晶度的提高而呈指数增大。

The 25 μ m pixel architecture profits from the low thermal time constant which characterizes our technology to design a higher pixel thermal insulation and therefore to develop a 25 μ m version from the well mastered 35 μ m technology .

25μm像元结构得益于较小的 热 时间 常数，该技术使我们能够设计出更高的热隔离性能，从而能以35μm技术为基础开发出25μm技术。

The method to calculate thermal time constant and allowable overload time of dry-type transformer is presented . The calculating example with Excel is given .

提出了干式变压器 热 时间 常数和允许过载时间的计算方法，给出了运用Excel的计算实例。

Based on some simplified assumptions the equation for thermal hysteresis is introduced and a formula is thereby derived for calculating the time constant .

按一定的简化假设，建立了百叶箱 热滞方程，井导出了百叶箱 热 滞 系数的计算公式。