| 1. | Carastrophe fracture of thin - wall pressure tubes 薄壁压力管道的突然破裂 |
| 2. | Experimental data was collected by measuring the wall pressure 采用测量膨胀面壁面压强的方法得到试验数据。 |
| 3. | Linear adjustment of the head of a spiral wound thick - wall pressure vessel 螺旋缠绕厚壁压力容器封头段的线型调整 |
| 4. | Wall pressure tapping 管壁取压口 |
| 5. | Standard specification for carbon and alloy steel forgings for thin - walled pressure vessels 薄壁压力容器用碳钢和合金钢锻件的标准规范 |
| 6. | Wavelet analysis of the relation between the fluctuating wall pressure and turbulent coherent structures 用子波系数概率密度函数研究湍流多尺度结构的间歇性 |
| 7. | The area contraction ratio has obvious influence on the flow pattern , discharge , wall pressure and air pressure inside level rotary flow 研究发现面积收缩率对流态、泄流量、壁面压强和空腔内的气体压强均有较大的影响。 |
| 8. | The turbulent flow through the right - angle energy dissipator is simulated by using the transient k - e model , and compared with the experimental results . the calculated result indicates the flow characteristic in detail . the calculated wall pressure is in reasonable agreement with the experimental data 4利用非恒定k -模型对直弯式消能工的紊流场进行了模拟,并与试验结果进行了比较,结果清晰地显示出水流流动过程,获得流场的变化情况,计算所得的壁面压力分布与试验结果定性一致。 |
| 9. | The fundamental theory and equations for the pressure fluctuation are described and the wall pressure fluctuation is measured . based on the experiment data , the characteristics of pressure fluctuations are analyzed in the three - phase flow of water , air and sand . the effects of air concentration and sediment content on the amplitude and frequency of pressure fluctuations are discussed 建立了多相流压强脉动基本方程,阐述了水流脉动压强基本理论,分析了压强脉动机理;根据试验数据,探讨了水、气、沙三相流体的压强脉动特性,初步得到了高速含沙掺气水流脉动压强的幅值特性与频域特性;提出了脉动压强强度系数、脉动压强极差系数与含沙量、掺气浓度的关系。 |