velocity-area method

By means of the analysis of forces supplying on every roller in cylindrical roller bearing, the feasible method to compute the thermal value under different loads and velocity is investigated.

通过对圆柱滚子轴承各个滚子的受力分析，探讨了不同载荷和转速下发热量的计算方法，得出了较为精确的轴承发热量计算公式。

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On the basis of the theoretical model of annular velocity field and pressure field in air drilling and combination with practical working conditions of air drilling, the calculation method of air drilling is discussed and proofed.

文中根据空气钻井环空流速场、压力场的理论模型，结合空气钻井实际工况，对空气钻井计算方法进行了有益的探索，并用实钻数据进行验证。

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This paper solved the problem of how to analysis and control the programming error when machining complex surface, Based on the theory of spatial engagement, this paper present an algorithm of simulating complex surface, which is called velocity decomposed method.

本文从理论的角度探讨了复杂曲面数控加工中编程误差的分析方法问题，以空间点接触啮合的基本原理为理论基础，提出了一种数控加工复杂曲面的速度分解仿真算法。

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In this paper, a simple method is concerned with theoretical calculation on the three statistical velocity for thermal motion of air molecule.

用简单方法推导了气体分子热运动的三种统计速率公式。

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In this paper, a new method, installing a kind of cross heating surface at furnace outlet of tangential firing system, has been presented to eliminate residual rotation and further to decrease the velocity deviation and thermal deviation at horizontal gas pass.

为消除切圆锅炉炉膛出口处残余旋转，进而削弱烟道气流速度偏差和热力偏差，提出一种在炉膛出口加装十字型消旋器的新技术。

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