利用非稳态压力分析结果建立油藏模型,可以提高碳酸盐岩油藏建模的准确性。
This work proves that using transient pressure analysis results in construction of reservoir model can improve the accuracy of carbonate reservoirs models.
通过求解三维层流N-S方程,得到了端面气膜稳态压力场及速度场分布,分析了气体在端面间隙内的流动形式。
The three-dimentional laminar Navier-Stokes equations were solved for getting the gas film pressure and velocity distributions in the steady state, and the flow styles in the clearance were analyzed.
在压力消失后,身体就会回复到标准状态(内稳态)。
After the stressor disappears, the body returns to its normal state (homeostasis).
双稳态复合材料能在风力及水流状态变化时迅速改变空气动力形态,帮助去除涡轮叶片上多余的压力。
A bistable composite capable of altering its aerodynamic profile rapidly when wind and current conditions changed would help to remove unwanted stresses in the blades.
本文在稳态模型和局域热力学平衡等假设下,推导了在纵向磁场下真空电弧压力的数学表达式。
This paper derives the mathematical express on of the pressure of vacuum arc subjected to an axial magnetic field under stationary model and the assumption of local thermodynamic equilibrium etc.
结果表明:压力恢复稳态测压法求解启动压力梯度理论正确,方法简单,具有明显的优点。
The results indicate that using pressure build-up steady state pressure survey approach to calculate starting pressure gradient has obvious advantages with simple method and is theoretically correct.
即使在稳态运行时,两相流体回路系统也经常会发生压力振荡现象。
Pressure Oscillation often occurs in two-phase system even if it operates in steady state.
天然气水合物是一种亚稳态物质,极易受到温度和压力条件的影响。
Because gas hydrates are metastable, changes of pressure and temperature may easily affect their stability.
着重研究了周围压力、剪切排水条件、初始相对密实度对粉煤灰稳态变形特性的影响;
The influence of confining pressure and drainage shear condition and initial relative density for flyash in steady-state deformation characteristic were discussed.
为了研究低渗透砂岩的启动压力梯度,设计了一种非稳态渗流中测量压力的试验方法。
The threshold pressure gradient of low permeability sandstone was studied experimentally by measuring the pressure attenuation in an unsteady seepage flow.
提出用于建立过滤层非稳态过滤压力损失模型的微观分析法和宏观分析法新概念。
A new concept of the microcosmic analysis method and the macroscopic analysis method are proposed to investigate the pressure drop of the dynamic filtration of filters.
在多缸液压同步系统中,压力控制的稳态误差小于3%,表明了该算法的有效性。
The static error of pressure control less than 3%, the test results show it is validity for the multi-point hydraulic synchronous system.
利用该仪器可以测量聚合物在稳态和动态挤出过程中的流动速率、压力降、离模膨胀和表观粘度等。
The flow rate, pressure drop, die swelling and apparent viscosity in dynamic and static extrusion can be measured by using this equipment.
负载压力波动、加载转矩和转速的波动,主要影响系统的稳态性能。
While the load pressure fluctuation, the load torque fluctuation and the rotational speed fluctuation mainly affect the steady performance of the system.
提出了一种“开启力解析模型”的方法来求解稳态下密封性能对压力扰动的动态响应。
A method of opening force analytical model was brought forward to solve the dynamic response analysis to pressure perturbation under the steady status.
研究结果得出了当排气压力恒定时,阀杆位移同吸气压力、摇板箱压力以及控制阀流量的稳态特性关系。
When the discharge pressure keeps constant, the relationship between displacement of valve rod and suction pressure, wobble plate case pressure, flow rate through control valve have been obtained.
将稠油视为宾汉流体,推导了宾汉流体在非稳态状况时地层孔隙中的压力分布数学模型,并求得了数值解。
Assuming heavy oil as Bingham fluid, a mathematic model of non-steady pressure distribution of Bingham fluid in formation pores is derived, and its numerical solution is obtained.
建立了绝热稳态爆炸泄压计算模型,对不同泄压口位置情况下油气混合物爆炸泄压过程中压力、温度等参数进行了计算。
Established is a calculation model of isolation and stable state explosive pressure relief and calculated are such parameters as pressure and temperature during explosive pressure relief.
基于其启动压力梯度,推导出了宾汉流体的运动半径和运动边界压力求取公式在此基础上推导出了垂直井在稳态状态下的产能预测公式。
Moving radius and moving boundary pressure are derived based on its star-tup pressure gradient. Productivity of vertical wells is derived on the above three parameters.
对于数据采集过程中的各种压力信号,提出了适用于叶轮机械稳态特性采集的经济性方案。
An economical scheme, which is effective for the steady data acquisition for turbomachinery, has been demonstrated forward.
为了测量一个人在他人生中的一段时间所受到的压力,两位研究人员用到了一个著名的指数:非稳态负荷 。
Stress in the city To measure the amount of stress an individual had suffered over the course of his life, the two researchers used an index known as allostatic load.
WIP1发挥着在DNA损伤后将细胞送回稳定状态的功能(4,5),同时也维持着非压力条件下p53-依赖的稳态(6)。
WIP1 functions in returning cells to a homeostatic state following DNA damage (4,5), as well as in maintaining p53-dependent homeostasis under nonstress conditions (6).
WIP1发挥着在DNA损伤后将细胞送回稳定状态的功能(4,5),同时也维持着非压力条件下p53-依赖的稳态(6)。
WIP1 functions in returning cells to a homeostatic state following DNA damage (4,5), as well as in maintaining p53-dependent homeostasis under nonstress conditions (6).
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