But the half-cone-angle has very little effect upon the time for thrust reaching the peak. 半锥顶角对推力达到峰值的时间影响较小; www.ceps.com.tw 10. Formula of relationship of theoretic swirl number and actual spray cone angle was figured out. 对实验数据进行拟合得到理论旋流度?*与实际雾化...
Angle conversion of solid angle of a cone to an apex plane angle. A solid angle is similar in 3 dimensions to a plane angle in 2 dimensions. Asolid angle Ω is equal to the ratio of the viewed surface A divided by the square of the viewed distance r. What is the formula to find t...
a surface formed by rays having a common origin and passing through a closed curve (Figure 1). Sometimes, particularly in Soviet usage, the term “solid angle” is applied to the portion of space bounded by such a surface. Trihedral and polyhedral angles are special cases of solid angles. ...
cone angle 美 英 un.圆锥角;锥体角 网络锥体角度;锥角扩散角;锥角度 英汉 网络释义 un. 1. 圆锥角 2. 锥体角
1)semi-cone angle半锥角 1.Influences of main parameters such as rotation speed, blade thickness,semi-cone angle and lead of screw conveyor on its strength and deformation were studied.在诸多参数中,对螺旋离心输送器主要参数:转速、叶片厚、半锥角和导程对其强度和变形的影响进行了分析研究,为已有的卧式...
Modelling of Electromagnetic Scattering by a Hypersonic Cone-Like Body in Near Space Based on the parameters of Table 1 and formula (16), we can calculate the numerical values of [D.sub.Nor] as 0.0016 under 0[degrees] attack angle, 0.00196 under 15[degrees] attack angle, 0.00219 under 30...
13. Finished product conical roller whose half angle is greater than 3°is called big cone angle conical roller. 成品圆锥滚子半角大于3°的即为大锥角圆锥滚子。 14. This paper establishes the contour surface equations and pressure angle formula of the conical grooved cam with translating conical rol...
In a thin lens such as a spectacle, the two principal planes coincide within the lens, and then the conjugate distances p and p′ in the formula above become the distances of object and image from the lens itself. The focal length of a thin lens can be computed by applying the surface...
An angle joining some helix with a pivotal axis on its right side, cone, or round chamber is known as a helix angle. The scope of helix points drops between 5∘ to 45∘. Single helix comes under 5∘ to 20∘ and double helix comes under 20∘ to 45∘. View...
The conical angle of cone-shaped active magnetic bearings is studied. Amodel of a conical bearing system and load forces is made. A minimax decision approach is used with the model. The conical angle is optimized so that the control forces required are as small as possible for a given load...