| 旋流场中分散相颗粒径向受力及径向速度方程 |
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| 引用本文： | 曹仲文,袁惠新. 旋流场中分散相颗粒径向受力及径向速度方程[J]. 江南大学学报(自然科学版), 2004, 3(5): 498-501 |
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| 作者姓名： | 曹仲文 袁惠新 |
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| 作者单位： | 江南大学,分离工程研究所,江苏,无锡,214122 |
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| 摘 要： | 从两相流的角度阐释了分散相单颗粒在旋流场中的径向受力，并对各力进行了分析和简化．运用力分析的方法建立了颗粒径向速度对于径向位置分布的径向运动方程，探讨了颗粒径向速度的求解．结果表明，经典的平衡轨道理论所认为的沉降速度只能在某一特定位置出现，并不具有实际应用意义；而径向运动方程则可以求解，并可作为旋流场进一步讨论的基础．
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| 关 键 词： | 加速度力 速度梯度力 颗粒径向速度 |
| 文章编号： | 1671-7147(2004)05-0498-04 |
The Radial Force and Movement Equation of Particles in the Swirling Flow Field |
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| CAO Zhong-wen,YUAN Hui-xin. The Radial Force and Movement Equation of Particles in the Swirling Flow Field[J]. Journal of Southern Yangtze University:Natural Science Edition, 2004, 3(5): 498-501 |
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| Authors: | CAO Zhong-wen YUAN Hui-xin |
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| Abstract: | The received force of particle in the radial of swirling flow field is analyzed based on two-phase flow theory. The equation of motion in the radial has been deduced in the base of the analysis of force, which is discussed about how to dissolve the radial velocity of particle. As a result, the sedimentation velocity in the theory of equilibrium orbit is not provided with significance in fact, however, the equation of motion can be solved and lay a foundation for studying the hydryclone more deeply. |
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| Keywords: | force attached with acceleration force attached with grades of velocity velocity in the radial |
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