本文给出了关于亚临界雷诺数二维圆柱绕流动态特性的实验结果。
The experimental study of the dynamic characteristics of flow past a two-dimensional circular cylinder is described.
还研究了压力梯度对临界雷诺数的影响，探讨了不同压力场对流动稳定性作用的规律性。
The effect of the pressure gradient on critical Reynolds number is also displayed and the influence rule of the different pressure fields on the flow stability is exploited.
研究结果为亚临界雷诺数范围内热交换器管束的复杂流体诱导振动等问题提供了一种可能的计算方法。
The proposed method enables to simulate complex flow induced vibration occurring in heat exchanger tube bundles at sub-critical Reynolds number.
详细分析了管流湍流人口长度的影响因素，提出以临界雷诺数为基础变量的新湍流入口长度经验公式。
The factors on the turbulent entrance length were analysed, based on the variable Recr, a new empirical formula was developed for the turbulent entrance length in a pipe flow.
该模型具有简便、快捷以及能够对亚临界雷诺数下的流体诱导振动问题进行计算等优点，为多圆柱流体诱导振动问题提供了一种新的计算模型。
The proposed model is expected to provide a new method to evaluate the flow induced vibration of a large number of flexible tube bundles with a relatively simple computing task.
本文分析了降液膜高雷诺数区域换热系数随液膜长度变化趋势，引出临界长度的概念。
A critical length concept is introduced to describe the heat transfer performance of thin film flows with high Reynolds number in this investigation.
剪切力对临界波速的影响在不同雷诺数下也有所不同。
Therefore, the effect of interfacial shear on critical wave velocity is clearly different under different Reynolds number.
本文对竖直圆管中超临界压力二氧化碳在低雷诺数条件下的对流换热进行了实验研究和数值模拟。
Convection heat transfer of CO2 at supercritical pressures in a vertical tube at low re was investigated experimentally and numerically.
本文对竖直圆管中超临界压力二氧化碳在低雷诺数条件下的对流换热进行了实验研究和数值模拟。
Convection heat transfer of CO2 at supercritical pressures in a vertical tube at low re was investigated experimentally and numerically.
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