| 1. | Boundary element method for pressure transient analysis of double - porosity reservoir
双重介质油藏压力动态分析的边界元方法 |
| 2. | The experiments of the pressure transients accompanying the growing and collapsing of gas bubbles and cavitation in low pressure hydraulic pipelines are carried out
本文对低压液压管路有气泡和气穴产生的瞬态压力脉动过程进行了实验研究。 |
| 3. | When the pressure transients occur in low pressure pipelines such as the suction lines of pumps or the return lines of a hydraulic system , gas bubbles and cavitation will occur inside the fluid
当压力脉动发生在液压泵的吸油管路或液压系统的回油管路等低压管路中时,会引起气泡和气穴的产生及破灭。 |
| 4. | Although pressure transient and production data analyses have the same governing theory ( and solutions ) , we must recognize that pressure transient data are acquired as part of a controlled " experiment , " performed as a specific event [ e . g . , a pressure buildup ( or pbu ) test ]
试译：尽管压力瞬变分析和生产数据分析采用相同理论并具有相同解，但我们必须认识到：压力瞬变数据取自控制实验的压力恢复测试。 |
| 5. | Although pressure transient and production data analyses have the same [ red ] governing theory [ / red ] ( and solutions ) , we must recognize that pressure transient data are acquired as part of a controlled " experiment , " performed as a specific event [ e . g . , a pressure buildup ( or pbu ) test ]
试译：尽管压力瞬变分析和生产数据分析采用相同理论并具有相同解，但我们必须认识到：压力瞬变数据取自控制实验的压力恢复测试。 |
| 6. | Based on the analysis of pressure transient change within the oil transfer pipeline , a real time pressure model of oil pipeline is set up . software and hardware of the diagnosing system for leak detection & location were developed and the indoor experiment as well as site test was performed
本文对输油管道压力瞬变过程进行了分析，建立了管道压力实时模型，研制出输油管道的泄漏故障实时诊断系统的软、硬件，完成输油管道泄漏检测及定位的室内试验和现场试验。 |
| 7. | In this paper , according to the fluid dynamic theory , mathematical model of the pressure transients accompanying the growing and collapsing of gas bubbles and cavitation in low pressure hydraulic pipelines is given , based on the continuity equation and motion equation . the mathematical models of friction item , the growing and collapsing of gas bubbles and cavitation are also introduced
本文通过流体力学分析方法,在连续性方程和运动方程基础上,建立了低压液压管路中伴随气泡和气穴产生的瞬态压力脉动数学模型,给出了动态摩擦力数学模型及气泡和气穴产生及破灭数学模型。 |
| 8. | The finite difference method and matlab / simulink are used to simulate the pressure transients accompanying the growing and collapsing of gas bubbles and cavitation in low pressure hydraulic pipelines . a method using selector block in matlab simulink to solve the equations in spatial dimension is developed . the pressure transients under different conditions such as different initial flow rate , different viscosity and different initial gas bubble volume are simulated
采用有限差分及matlab / simulink仿真方法,提出了采用simulink中selector模块求解空间域上积分的方法,对低压液压管路有气泡和气穴产生的瞬态压力脉动过程进行了时间域和空间域上的求解,对不同起始流量、不同液压油粘度和不同初始气泡量等条件下的瞬态压力脉动过程进行了仿真研究。 |
