侧板后掠角大小和整流罩位置变化时,对进气道的质量捕获、总压恢复系数和隔离段出口流场的均匀性等都有一定的影响。
Changes of sidewall sweep Angle and cowl position can influence inlet performance such as mass capture, total pressure recovery coefficient and uniformity of isolator exit flow field.
压实系数是控制路堤填筑的关键性指标。
Compaction degree is the key index to control construction of embankment.
数值结果表明,施加自适应无源被动控制后,分离区长度减小为无控制时的45%,控制区域的总压恢复系数和流场均匀性提高。
The numerical results show that with the adaptive passive control, the separation bubble length was reduced to 45% of its original length, and the low total pressure recovery coefficient was improved.
常用的链轮闸门轮压计算方法中的平均轮压法的超载系数的确定存在较大的随意性,因此用这种方法计算轮压分布是不合理的。
On this method, disk roller's contact stress is obtained and the intensity is verficated. It is difficult to calculate accurately the wheel pressure distributing.
综合了菜子油和硫化切削油的优点,既具备菜子油摩擦系数的特点,又具有硫化切削油高极压性的特点。
Synthesis of rapeseed oil and sulfide cutting oil has the advantages of both with rapeseed oil, coefficient of friction, but also has high sulfide cutting oil extreme pressure characteristics.
在川东北的河坝1井和河坝2井的应用结果表明,新型承压堵漏剂安全系数高、可操作性强,具有封堵能力强、候凝时间短的特点。
The application of it on Heba1 well and Heba2 well in northeast Sichuan area shows that the new agent has the features of safety, operability, good effect of plugging, short waiting on cement.
结果表明,微裂缝性特低渗透油藏一维单向渗流的压力分布影响因素比较多,如启动压力梯度、变形系数、生产压差和排距等,并且这些因素均以非线性方式产生综合影响。
The single-phase porous flow plugged by mobile gels is nonlinear, the starting pressure of oil is lower than that of water, and the permeability of oil is higher than that of water.
结果表明,微裂缝性特低渗透油藏一维单向渗流的压力分布影响因素比较多,如启动压力梯度、变形系数、生产压差和排距等,并且这些因素均以非线性方式产生综合影响。
The single-phase porous flow plugged by mobile gels is nonlinear, the starting pressure of oil is lower than that of water, and the permeability of oil is higher than that of water.
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