| 1. | A new approach to analyze the air flow stability of ventilation system in underground mines 地下矿通风系统风流稳定性分析新方法 |
| 2. | Injection is known as a effective method to enhance the flow stability in compressors 摘要喷气是提高压气机稳定工作裕度的有效措施之一。 |
| 3. | Analysis of seepage flow stability of a reservoir dam in accordance with the engineering geology condition 根据工程地质条件分析某水库大坝的渗流稳定性 |
| 4. | The effect of the pressure gradient on critical reynolds number is also displayed and the influence rule of the different pressure fields on the flow stability is exploited 还研究了压力梯度对临界雷诺数的影响,探讨了不同压力场对流动稳定性作用的规律性。 |
| 5. | Diagrams of velocity vectors and streamlines display waveform and amplitude properties , showing the effect of fibres on enhancing the flow stability . the computational results are tested Piv测量得到流场速度矢量图及流线图,扰动波幅与波形特征说明, re数一定时流动稳定性随h值增大而提高。 |
| 6. | Stability characteristics are obtained through numerical analysis . in general , the influence of fibre additives and their hydrodynamic interactions to the flow results in the increase of critical reynolds number and the reduction of unstable region of disturbances , therefore reinforces the flow stability 数值求解稳定性方程得到悬浮流的稳定性特征,发现纤维参数h值和水动力相互作用系数c _ 1的增加导致流动临界re数增大,不稳定扰动的最大增长率降低,扰动失稳范围缩小。 |
| 7. | This thesis researches on the stability of fibre suspensions applying theoretical , numerical and experimental methods . first the linear stability analysis is performed to fibre suspensions utilizing flow stability , slender - body and orientation tensor theories . the governing equations of channel and pipe suspensions of different stability handling modes and tensor closure approximations are derived 首先综合应用流体动力稳定性理论、细长体理论以及纤维方向张量工具,对纤维悬浮流进行线性稳定性分析,推导槽流和管流的稳定性方程,并对槽流导出在不同的稳定性分析模式以及不同的方向张量封闭格式下的多种形式方程。 |