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流动弹性
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  “流动弹性”译为未确定词的双语例句
     Application of actuator disk model in blade fluidelastic stability study of hydraulic machine
     激盘模型在水力机械叶片流动弹性稳定性研究中的应用
短句来源
     The stall flutter of hydraulic machine influences the operation safety.
     水力机械的叶片流动弹性失稳将严重影响机组的正常运行。
短句来源
     A method to predict the onset of the blade stall flutter of hydraulic machine has been developed by the application of actuator disk model. Suppose the blade chord degenerates into zero,the oscillating blade row becomes a deforming actuator disk,which the fluiddynamic parameters will have abrupt jump.
     为了对叶片的流动弹性稳定性作出较准确的预估,利用激盘模型,将整个流道视为一个无厚度的激盘,对激盘应用流体力学的基本方程,并利用激盘突跃条件,得到作用于叶片的非定常流动力,发展了一种预测水力机械叶片流动弹性稳定性的方法。
短句来源
     When the interblade angle is near+180° or -180°, the blade fluidelastic stability becomes worse. At the small flow rate,the large incidence angle may cause large scale flow separation , and the blade stall flutter may occur.
     叶片间相角是影响叶片流动弹性稳定性的一个十分重要的参数,叶片间相角在+180°和-180°附近时,叶片的流动弹性稳定性较差,在实际安装及运行中,应尽量避免叶片间相角在+180°和-180°附近。
短句来源
     The porous medium was regarded as a converging-diverging pore model. On the assumption that the total pressure drop of polymer solution flowing through the converging-diverging pore model is equal to the pressure drop of shear flow adding the pressure drop of elongation flow,a formula of elastic viscosity was established by the use of the microelement analysis method.
     将多孔介质视为缩扩孔隙模型 ,对聚合物溶液在这种模型中的流动总压降等于剪切压降和拉伸压降之和的假设下 ,用微元分析方法建立了表征聚合物溶液在缩扩孔隙模型中拉伸流动弹性粘度公式。
短句来源
  相似匹配句对
     ELASTIC BEHAVIOR OF POLYMER MELTS IN EXTRUSION FLOW
     聚合物熔体挤出流动中的弹性行为
短句来源
     THE BLOOD FLOW IN A LARGE VASCULAR TUBE(B)AS AN ELASTIC TUBE
     大血管中的血液流动 (二)弹性管情况
短句来源
     The Space of Flows
     流动空间
短句来源
     Gift Exchange
     礼物的流动
短句来源
     Elastic boundary condition is considered.
     边界为弹性支承。
短句来源
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  flow elasticity
Some years ago it was desired to measure normal stress components in viscometric flows of lubricating greases since it was thought that flow elasticity might be a relevant property in grease lubrication processes.
      


The stall flutter of hydraulic machine influences the operation safety.A method to predict the onset of the blade stall flutter of hydraulic machine has been developed by the application of actuator disk model. Suppose the blade chord degenerates into zero,the oscillating blade row becomes a deforming actuator disk,which the fluiddynamic parameters will have abrupt jump.The blade fluidelastic stability of a Kaplan Runer has been studied.The results show that the interblade phase angle has...

The stall flutter of hydraulic machine influences the operation safety.A method to predict the onset of the blade stall flutter of hydraulic machine has been developed by the application of actuator disk model. Suppose the blade chord degenerates into zero,the oscillating blade row becomes a deforming actuator disk,which the fluiddynamic parameters will have abrupt jump.The blade fluidelastic stability of a Kaplan Runer has been studied.The results show that the interblade phase angle has a large effect on the fluidelastic stability of hydraulic machine.When the interblade angle is near+180° or -180°, the blade fluidelastic stability becomes worse.At the small flow rate,the large incidence angle may cause large scale flow separation , and the blade stall flutter may occur.

水力机械的叶片流动弹性失稳将严重影响机组的正常运行。为了对叶片的流动弹性稳定性作出较准确的预估,利用激盘模型,将整个流道视为一个无厚度的激盘,对激盘应用流体力学的基本方程,并利用激盘突跃条件,得到作用于叶片的非定常流动力,发展了一种预测水力机械叶片流动弹性稳定性的方法。应用发展的方法对某轴流式水轮机的转轮叶片进行了分析。研究结果指出,叶片在来流速度较低即小流量工况下,叶片的流动弹性稳定性较差,容易发生流动弹性失稳。叶片间相角是影响叶片流动弹性稳定性的一个十分重要的参数,叶片间相角在+180°和-180°附近时,叶片的流动弹性稳定性较差,在实际安装及运行中,应尽量避免叶片间相角在+180°和-180°附近。

The porous medium was regarded as a converging-diverging pore model.On the assumption that the total pressure drop of polymer solution flowing through the converging-diverging pore model is equal to the pressure drop of shear flow adding the pressure drop of elongation flow,a formula of elastic viscosity was established by the use of the microelement analysis method.This model can describe the elongation flow degree of polymer solution through converging-diverging pore model.Based on the flow experiment data...

The porous medium was regarded as a converging-diverging pore model.On the assumption that the total pressure drop of polymer solution flowing through the converging-diverging pore model is equal to the pressure drop of shear flow adding the pressure drop of elongation flow,a formula of elastic viscosity was established by the use of the microelement analysis method.This model can describe the elongation flow degree of polymer solution through converging-diverging pore model.Based on the flow experiment data of three kinds of hydrolyzed polyacrylamide solutions with different relative molecularmasses flowing through artificial cores,the relative curves of elastic viscosity with Deborah number were plotted.The curves show that the elastic viscosity of polymer solution will increase obviously,as Deborah number is from 0 02 to 0 03,which indicates that the elastic viscosity formula can show the elongation flow degree of polymer solution through porous medium.

将多孔介质视为缩扩孔隙模型 ,对聚合物溶液在这种模型中的流动总压降等于剪切压降和拉伸压降之和的假设下 ,用微元分析方法建立了表征聚合物溶液在缩扩孔隙模型中拉伸流动弹性粘度公式。用 3种不同相对分子质量的聚丙烯酰胺 (HPAM )溶液在人造岩心中的流动实验数据绘制了弹性粘度与Deborah数的关系图 ,关系曲线表明 ,当Deborah数大于 0 0 2~ 0 0 3时 ,弹性粘度显著增大。由此推导的弹性粘度公式可用来表征聚合物溶液在多孔介质中拉伸流动发生的程度

 
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