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- turbulent flow skin factor 湍流表皮系数
- The numerical simulation of turbulent flow in a FCC disengager was carried out. 采用数值模拟方法模拟了一种典型FCC沉降器内的紊流过程。
- The turbulent flow fields in hydrocyclones are simulated by means of RSM model. 采用雷诺应力模型(RSM)对一种旋流管内部的单相流动进行了湍流数值模拟。
- The influence of wellbore storage, skin factor, interporosity flow coefficient and elastic storativity ratio to the bottom hole pressure of the observation well were analyzed. 分析了井筒储存、表皮系数、窜流系数以及弹性储容比对观测井井底压力的影响。
- The instability would invariably cause a turbulent flow that would transport angular momentum outward and dissipate gravitational binding energy. 这个不稳定性一定可造成乱流,向外传送角动量,并消耗重力束缚能。
- The turbulent flow in a straight channel was numerically simulated with LES of algebraic modelling. 该模型首先用于直槽道内的湍流运动的数值模拟。
- Because of the large velocities ordinarily involved, there is a region of turbulent flow behind the ball, as shown. 一般由于高速,在球的后面有湍流区域,如图中所示。
- Service in systems involving rapid and frequent flow reversals, pulsation or turbulent flow should be avoided. 应该避免应用在迅速和频繁倒流,脉冲波动或湍流的管道系统中。
- The skin factor is corrected and production forecasting formulas for 5 types of completions are manipulated. 通过对表皮系数进行修正,推导出5种完井方式下的产能预测公式。
- The paper gives a numerical simulation of the high-speed turbulent flow in the plunge pool using ASM turbulent model. 本文采用ASM紊流数学模型对水垫塘内高速强紊动水流进行了数值模拟。
- The turbulent flow field within dynamic hydrocyclone was simulated by means of RSM model. 采用雷诺应力模型对动态旋流器湍流流场进行模拟。
- Horizontal well production forecasting formulas need to consider not only anisotropism and borehole eccentricity, but also the skin factor during drilling and completion process. 摘要水平井产能预测公式除了要考虑储层各向异性和井眼偏心距的影响因素外,还要考虑钻井和完井过程中产生的表皮系数的影响。
- The spectral analysis showed laminal flow in the former and turbulent flow in the latter. 频谱分析前者为层流,后者为湍流。
- Ingedients: Tea tree oil extract, AMT inld cleansing skin factor, aqueous hydrating factor and deep ocean alge brown etc. 成份:茶树油精华、AMT温和洁面因子、水凝保湿因子、深海褐藻等。
- Reynolds experiment is an important experiment which shows the laminar flow and turbulent flow. 雷诺实验是显示层流和湍流的重要实验。
- The use of this system in well Pushen-15 is successful, and the average return permeability reaches 90. 2%, and skin factor as low as 0.073. 结果表明,储层平均渗透率恢复值为90.2%25,损害半径小,表皮系数仅为0.073,屏蔽暂堵型钻井液在濮深15井应用达到了保护储层的目的。
- Select the sea, then firmly believes: Success is the turbulent flow and Qijue the rapids. 选择了大海,那么请坚信:成功就是湍急的水流和奇崛的险滩。
- Its comprehensive coverage focuses on drag, turbulent flow, and vibration reduction in airfoils. 它的广泛报导集中在机翼阻力、湍流和振动减少。
- The permeabiluty-thickness product(KH)and skin factor(S)can be solved by computer automatically when users input the data of DST according to their needs. 用户按要求输入非自喷井钻柱测试资料后,不须人的干预,由计算机自动求出地层系数KH和井壁污染系数S。
- Especially, PIV, the international advanced measure instrument for turbulent flow is analyzed. 对湍流实验研究中国际领先测量设备PIV的测量技术也进行了分析。