A volume fraction specification, f, is used to define fluid region, and to track the movement of free boundaries.
用一个体积分数F来定义流体区域，并用它来跟踪自由界面的运动。
The heat transfer coefficient of nanofluids increases with increasing the thermal conductivity of nanoparticles and base fluid, and increases with an increase in the volume fraction of nanoparticles.
纳米流体的对流传热系数随着颗粒和基液热导率的增加、颗粒体积分数的增加以及颗粒粒径的减小而增大。
The results have shown that diameter, gas fraction and fluid viscosity have slight impact on flow rate of this boosting system, but have remarkable influence on pressure drop of this system.
研究结果表明，管径、含气率以及流体粘度对管泵系统的流量影响不大，而对压力降则有显著影响。
To predict the rising velocity of hydrogen gas and the influencing factors, a suitable working fluid was determined for experimental simulation on the vold fraction of hydrogen in a neutron moderator.
为了推断中子慢化剂液氢中气化氢气泡的上升速度及影响因素，选取合适的工质进行了含气率的模拟实验。
The effects of gas flow rate and rotating speed on the fluid field, local void fraction distribution and bubble size distribution were investigated.
考察了不同通气量和操作转速下气液搅拌槽内流体流动，局部气含率和气泡尺寸的分布规律。
The results show that no size segregation of particle medium with wide size fraction occurs in vibration bed. It is favourable for the forming of the ideal fluid…
结果表明，宽粒级介质在振动床中不产生粒度离析，有利于振动流化床形成理想流化状态。
The results show that no size segregation of particle medium with wide size fraction occurs in vibration bed. It is favourable for the forming of the ideal fluidization state in the vibration fluid...
结果表明，宽粒级介质在振动床中不产生粒度离析，有利于振动流化床形成理想流化状态。
The results show that no size segregation of particle medium with wide size fraction occurs in vibration bed. It is favourable for the forming of the ideal fluidization state in the vibration fluid...
结果表明，宽粒级介质在振动床中不产生粒度离析，有利于振动流化床形成理想流化状态。
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