Radiant flux

The formulas of spectral radiant flux and background radiant flux are deduced .

给出了计算光谱辐射通量和背景辐射通量的计算公式。

The basic concepts , measurment methods and mutual relationship of radiant flux and luminous flux are discussed .

讨论了辐射通量和光通量的基本概念、测量方法及相互之间的关系。

The Establishment of Secondary Standard for Total Radiant Flux of 253.7 nm Radiation Source

253.7nm辐射源总辐射通量副基准的建立

This paper deduces a simple formula for computing the incidence radiant flux density .

从能量传输方程入手，推导出地表入射辐射通量密度的简便计算公式；

A computation of radiant flux passing through a large diameter wave guide with plane light source

面光源大直径光波导传播光能的计算方法

A physical model and algorithm of radiant flux passing through a wave guide with plane light source is proposed in this paper .

提出一种适用于光电传感器的面光源大直径光波导传播光能的物理模型和计算方法。

Firstly , in the integrating spheres measurement way , if we want to get exact result the radiant flux standard lamp is needed .

其中，对于积分球辐射度测量系统我们知道，要想获得理想的测量结果，首先要有辐射通量标准灯。

ASTM E648 : Stard test method for critical radiant flux of floor-covering systems using a radiant heat energy source .

使用辐射热源法对地板覆盖物进行临界热辐射测试。

The effect of the oxygen content , burning rates of HTPB propellants and the laser radiant flux on the ignition delay time was investigated experimentally with a CO 2 laser ignition apparatus .

应用CO2激光点火器研究了丁羟推进剂中氧含量、燃速等因素及激光点火热通量与点火延迟时间之间的关系。

In this paper , two-dimensional radiant flux mathematical model on the kiln flames space is established and solved for an example of multi-channel slab kiln on the basis of the law of energy conservation .

本文从能量平衡原理出发，以多孔推板窑为例，提出了窑炉火焰空间传热过程的二维通量辐射数学模型并进行了求解。

Based on the data of surface solar radiant flux observed at Tianjin Region during 2003 , the calibration of instrument , the changes of aerosol optical thickness in different wavelengths and its changing rule were discussed .

根据2003年在天津大气边界层观测站获得的CE318太阳光度计观测资料，探讨了仪器的定标、渤海西岸大气气溶胶不同波段的光学厚度及其变化规律。

Base on the above analysis , we discuss the net monthly mean distribution of radiant flux in the north area of South China Sea and proved the net radiant flux was one of the most important factors which affect the seasonal thermocline .

结合本海区温跃层的这种变化特征，分析了该海域净辐射通量的分布状况及随季节的变化特征，证明了净辐射通量是影响该海域温跃层季节性分布特征的最重要因素之一。

This paper briefly described the fundamental principle and the method to measure the total radiant flux of the tubular disinfect lamp using shortwave ultraviolet irradiance meter and emphatically analysed and discussed the cosine response error caused by it and correction method .

本文简述了用短波紫外照度计测量直管形杀菌灯总辐射通量的基本原理和方法，并着重分析和讨论了短波紫外照度计的余弦响应误差和修正方法。

From the solutions , results for the radiant flux leaving the base face of the cavity are presented as a function of the emittance , of the depth-radius ratio of the cavity , and of a temperature gradiant parameter .

结果表明，腔底的有效辐射是比辐射率、腔深和半径之比以及一个表示温度梯度的参数的函数。

Experimental observations are presented of the effect of the flow velocity and oxygen concentration , and of a thermal radiant flux , on the transition from smoldering to flaming in forward smoldering of small samples of polyurethane foam with a gas / solid interface .

试验主要观察处于阴燃状态的少量聚氨酯泡沫样品的流速、氧气浓度和辐射热通量对气/固界面的影响。

The study of relationship between radiant heat flux and combustion parameter based on the CONE data

基于CONE数据的材料热释放速率随辐射通量变化的研究

The ignition temperature and ignition delay time decreased with the increasing radiant heat flux .

结果表明，随着辐射热能流率的增加，着火时间缩短，着火温度降低；

The radiant energy flux density and borderline phenomenons of electromagnetic wave

辐射能流密度与电磁波界面现象

Calculation of Radiant Heat Flux from Post - flashover Flames

轰燃后火焰的辐射热通量计算

The paper describes the measuring technique of infrared radiant heat flux density reached the surface or absorbed by the surface of spacecraft during thermal balance test .

文章介绍了在航天器热平衡试验中到达航天器表面或被其吸收的红外辐射热流密度的测量技术。

The outer thermal radiant heat flux and equivalent heat sink temperature were solved with numerical method , and the wave of thermal radiation during long period was given .

用数值方法对外热流和等效热沉温度进行求解，计算出瞬态工况及周期平均工况下的航天器表面辐射热流及辐射散热器和防辐射涂层表面等效热沉温度的波动。

It was proved that the radiant source possesses consistent effective emissivity and radiant flux via the optical test .

通过试验测试，验证了此辐射源具有均匀一致的有效发射率和辐射出度。