致动器镰状间隙横截面积系数

2019 International Multi-Conference on Industrial Engineering and Modern Technologies (FarEastCon) Pub Date : 2019-10-01 DOI:10.1109/FarEastCon.2019.8934356

K. Crawford, N. Mitiukov, E. Busygina

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引用次数: 1

摘要

本文建立了气动执行机构的数学模型。指出了考虑球与机构通道之间间隙的重要性。利用ANSYS CFX软件包，采用静态和动态(含球的旋转和运动)公式对镰刀状间隙中的气体流动进行了模拟。计算结果表明，球的速度差异不超过0.01%。得到了考虑雷诺数截面面积系数的近似公式，但在足够的精度下，可以取0.94 ~ 0.95的间隙截面面积系数。所得数据对火炮火控组的一项大工程，即建立一种光滑膛膛的线膛炮模型也有一定的参考价值，并且在考虑膛线槽面积的情况下，同样适用于某些膛膛膛膛的线膛炮。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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The Coefficient of Cross-Section Area of Sickle-Shaped Gap of the Actuator

The paper formulates a mathematical model of the pneumatic actuator mechanism. The importance of taking into account the gap between the ball and the channel of the mechanism is shown. Using the ANSYS CFX software package, the gas flow in a sickle-shaped gap was simulated in a static and dynamic (with rotation and movement of a ball) formulation. It is shown that the discrepancy in the speed of the ball is not more than 0.01%. An approximation formula was obtained to take into account the cross-section area coefficient of the Re number, but with a sufficient degree of accuracy, the cross-section area coefficient in the gap of 0.94 0.95 can be taken. The data obtained may also be useful in the great project of Gunnery Fire Control Group of the creating a model of a smooth-bore muzzle-loading gun, and, with allowance for the area of rifling grooves, apply equally well to certain muzzle-loading rifled guns.

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2019 International Multi-Conference on Industrial Engineering and Modern Technologies (FarEastCon)

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