多组分填充PP显示出中等程度的出口膨胀和流动不稳定性。
The multicomponent filled PP has shown an intermediate degree of die swell and flow instabilities.
对摇摆运动条件下的自然循环两相流动不稳定性进行实验研究。
Natural circulation flow instability under rolling motion conditions was experimentally studied.
本文建立数学模型对强迫循环下蒸汽发生器的流动不稳定性进行了计算。
The purpose of this paper is to present a numerical model for the analysis of flow-induced instabilities in forced-convection steam generator.
增加沸腾管入口段流动阻力是抑制沸腾管内流动不稳定性的主要措施之一。
One of the major measures to suppress flow instability in a boiling tube consists in increasing the flow resistance at the boiling tube inlet section.
本文的结果表明空间不稳定性分析是全面认识涡旋流动不稳定性的一种有用的工具。
The results show that spatial instability analysis is a useful tool for the comprehensive understanding of the instability behaviours of a swirling flow.
平行通道流动不稳定性的问题是影响各种大型电站锅炉和反应堆系统安全运行的重要因素之一。
Flow instability in parallel channels is one of the important factors that affect operation safety of all large-capacity power boilers and nuclear reactor systems.
讨论和分析了流道间隙、加热功率和入口过冷度对沸腾起始点、沸腾流态、换热系数、流动不稳定性和临界热负荷的影响。
The effects of gap size, heat flux and inlet subcooling on the boiling incipience, flow pattern, heat transfer coefficient, flow instability and critical heat flux were analyzed and discussed.
本文利用理想磁流体力学(MHD)模型对含有轴向流动的Z箍缩等离子体不稳定性进行了分析。
A linear analysis of the ideal magnetohydrodynamic (MHD) stability of the Z-pinch is presented in which plasma flows are included in the equilibrium.
总体流动的不稳定性受到阻抑并且很小。
本文根据水洞观察的结果，分析了圆柱体尾流中，卡门涡街形成的原因是由于流动的不稳定性所产生。
Based on the observation and analysis of flow visualization the mechanis of the vortex street has been recognized to be a flow instability probler.
在晶体生长中，流体中的输运过程和流动的不稳定性对生成晶体的结构和质量有重要影响。
The transport processes and flow instabilities in the fluid phase during the growth of crystals have a profound influence on the structure and quality of the crystals.
作为一个例子，还讨论了弱重力场情况下激发流动重力模不稳定性的临界条件。
As an example, the critical condition for the streaming gravity mode instability is discussed in a weak gravitational field.
形成磁岛的特征时间很大于流动撕裂模不稳定性引起磁岛非线性饱和的特征时间。
The characteristic time for the formation of magnetic islands is much longer than that of nonlinear saturation of magnetic islands caused by the streaming tearing instability.
这种由剪切流动和重力联合作用所引起的混合模，称为流动重力模不稳定性。
This mixing mode caused by a combined role of the sheared flow and gravity is named the Streaming gravity mode Instability "."
这种由剪切流动和重力联合作用所引起的混合模，称为流动重力模不稳定性。
This mixing mode caused by a combined role of the sheared flow and gravity is named the Streaming gravity mode Instability "."
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