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1)  index of angle gauge
角规系数
2)  basal area factor
角规常数
3)  rule of horns
角数规律
4)  angle coefficient
角系数
1.
Based on HRP-IV rapid prototyping machine,a mathematical model of tube radiation heating system was established to simulate heating installation location and to calculate angle coefficient of all work areas.
根据HRP-Ⅳ型快速成形机建立了管式加热辐射系统数学模型,模拟加热管安装位置,计算工作区内各点角系数,并引入均匀度系数和最大偏差率两个指标来评价温度场均匀性和测温精度,同时对模拟状态进行实验分析。
2.
In order to study the infrared radiation characteristics of the targets,the solution methods of radiation heat transfer angle coefficients in different cases are discussed simply with practical examples in this paper.
为了研究目标的红外辐射特性,本文结合具体实例,对不同情况下的辐射换热角系数的求解方法作了简单的讨论,同时使一些文献中已有但未被证明的公式得到了证明。
5)  angle factor
角系数
1.
The integral equations for calculating the angle factors between radiant tubes and between radiant tube and furnace wall are introduced and the numerical calculations are made.
导出了室式辐射管炉内辐射管与辐射管、辐射管与炉墙之间角系数的积分方程 ,并利用数值积分方法进行了计算 ,讨论了不同几何参数下上述角系数的变化。
2.
Based on the calculation of the angle factors for radiation exchange and considering the radiation extinction caused by the absorption of the partici- pating media, a set of governing equations of the combined radiation and condu- ction as well as the radiation equilibrium in a two-dimensional rectangular enclo- sure are deduced in this paper.
基于辐射交换角系数的计算,考虑了参与性介质中的吸收而引起的辐射衰减,针对辐射平衡和复合导热辐射问题,导出了二维矩形封闭空腔内热交换的支配方程组。
3.
The paper describes why the imaging fuze uses the principle of circle scan imaging and how it can get the plane target image,the paper provides the calculation methods of the power of the infrared imaging detector and the gray of target infrared image,including the calculation of the angle factor between detector element and plane skin and how to resolve the problem of image dege weakness.
给出了引信探测器对飞机蒙皮表面的角系数计算方法和红外图像边缘弱化的计算方法。
6)  angle factors
角系数
1.
Applying Stokes theorem and boundary element theory, the basic equation of the radiation angle factors and the mutual radiation area for calculating radiation heat transfer is deduced.
运用Stokes公式及边界元理论,导出了辐射换热计算中的辐射角系数与相互辐射面积的计算基本公式。
2.
To get another method of calculating radioactive transfer coefficient, based on the concept of angle factors, the radioactive transfer coefficient was calculated by iteration method in light of the theory of energy conservation and of Lambert body assumption.
为了获得计算辐射传递系数的另一种方法,在角系数的概念基础上,应用能量守恒原理利用数值迭代方法在郎伯体情形下,计算了辐射传递系数,该方法分离了计算难度,在把此方法应用到海面物体的红外特性分析中时大大提高了计算效率。
补充资料:辐射角系数
      反映相互辐射的不同物体之间几何形状与位置关系的系数。任意两个面积各为Ai和Aj的表面(见图), 温度分别为Ti和Tj。当空间介质对辐射能量透明时,由表面Ai所辐射的能量有一部分可以到达另一个表面Aj,其余能量则落到表面Aj以外的空间。由表面Ai发射的辐射能落到表面Aj上的百分数被称为表面Ai对于表面Aj的辐射角系数FAI-Aj,而由表面Aj发射的辐射能落到表面Ai上的百分数则被称为表面Aj对于表面Ai的辐射角系数FAj-Ai。在两个角系数之间又存在如下互换关系式
  
  
  
  
  

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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