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volume void fraction 体积含气率
From this, void fraction estimate means for gas-liquid two-phase flow based on HHT and SVM was put forward. 在此基础上提出了基于HHT与SVM的气液两相流空隙率估计方法。
The calculation of the void fraction in subcooled boiling is different from that in saturated boiling, it is characterized thermal in equilibrium. 欠热沸腾下的空泡份额计算不同于饱和沸腾,具有热不平衡特点。
Results show that the two-phase Strouhal number is a variable and is influenced by void fraction, body size and flow rate etc . 研究表明,气液两相斯特罗哈数在两相工况下为一变数,与来流截面含气率、涡街发生体的迎流面宽度、来流流速等因素有关;
Results show that the two-phase Strouhal number is a variable and is affected by void fraction, body size and flow rate etc. 结果表明，气液两相斯特罗哈数在两相工况下为一变数，在来流截面含气率小于10%25时，与来流截面含气率、涡街发生体的迎流面宽度、来流流速等因素有关；
On basis of this model, simulated results are analyzed with focus on the relationship of back-flow, differential pressure, power consumption and gas void fraction. 通过对多相流混输泵内部工作过程的模拟，分析了含气率、回流损失、流量、压力分布及功率消耗间的相互关系。
In this thesis the method of using pressure-drop to measure void fraction and water holdup and using the venturitube to measure the flowrate of two-phase flow are studied. 本文对用差压法测量含气率、含水率及用文丘里管测量气液两相流总流量的方法进行了研究。
Based on this slug flow unit model, the correlation for calculating average void fraction of slug flow in rolling tube was presented, and the calculations were agreed well with experimental data. 在此基础上，给出摇摆状态下弹状流平均空泡份额计算关系式，并与实验值进行比较，结果符合较好。
Before the bubbly flow transits to cap-bubbly flow, the growth rate of void fraction wave becomes the maximum value when the disturbance frequency is close to the main frequency of void fraction wave. 空隙率波的增长系数求解结果表明，泡状流向弹帽泡状流转化时，空隙率波对有限扰动是不稳定的，并对扰动的频率有所选择。当扰动频率与空隙率波的主控频率相近时，空隙率波呈最大增长状态。
Study of Void Fraction in Flow Sub-cooled Boiling 流动欠热沸腾空泡份额的研究
cross-sectional mean void fraction 平均截面含气率
Solution of void fraction for two-phase flow with friction 考虑摩擦时环状流的空泡份额求解
The volume of this container is 20 cubic meters. 这个集装箱的体积是20立方米。
This volume is foxed on the flyleaf. 这卷书的空白页发黄了。
The store- room be400 cubic feet in volume. 这库房的容量是400立方英尺。
The liquid was 5 litres in volume. 该液体的体积为5升。
Using CFD (computational fluid dynamics) software, the flow field of the axial flow gas-oil multiphase pump's semi-volute suction chamber in different void fractions has been simulated. 利用CFD模拟计算软件,对轴流式油气混输泵半螺旋形吸入室在不同含气率时的流场进行了模拟分析,得出了各含气量时的气相分布规律,分析了气体积聚和旋涡形成的原因。
Celestials live in the great void. 仙人生活在太虚之中。
The volume of trade with Japan has increased. 与日本的贸易额增加了。
Don't play your radio at full volume. 不要把收音机开到最大的音量。