根据计算结果,分析了温度、熔覆深度、界面传质过程与激光参数、材料性质及时间的关系。
On the basis of above results, the mutual relationships among temperature, molten pool depth, mass transfer distance, parameters of the laser and properties of materials were carefully discussed.
摘要在单涡模型的基础上,根据各向同性湍流的能谱函数,考虑不同尺度的旋涡对气液传质的影响,建立了气液自由界面传质系数模型。
A model of mass transfer coefficients in liquid phase near free gas-liquid interface is developed based on the energy spectrum functions of isotropic turbulence.
模型涉及水吸收的气相反应及平衡、气相传质过程、界面平衡和液相反应。
The gas phase reactions and equilibria, gas phase mass transfer, interface equilibria, and liquid phase reactions were included in the model.
选用几种液液体系,研究了浓度推动力引发的界面扰动对传质速率的增强效应。
The enhancement of the rate of mass transfer due to concentration driving force induced interfacial turbulence has been investigated in several typical liquid liquid systems.
气液相际间传质过程中,由溶质浓度梯度产生的表面张力梯度可以导致相界面湍动现象。
In the gas liquid mass transfer processes, solute concentration gradients may produce surface tension gradients, resulting in interfacial turbulence at the interface.
讨论了界面吸附、脱附与扩散对传质阻力的不同影响,建立了薄膜传质的串联阻力模型。
The different effects of external sorption, adsorption and diffusion on mass transfer resistance are discussed and the resistance model of membrane mass transfer was built.
传质过程中的界面湍动现象广泛存在,宏观上表现为传质阻力下降,传质速率增加。
The effect of interfacial turbulence on the mass transfer rate in physical absorption processes was investigated quantitatively.
界面性质对气液传质有重要影响。
Interfacial properties have an important act on gas liquid mass transfer.
在气液系统中,液相与气相阻力比越大,由界面湍动引起的传质的增强效应越显著。
In gas-liquid system, the bigger the resistance ratio of liquid side to gas side is, the more remarkable the enhancement of mass transfer by Marangoni effect becomes.
分析中考虑了界面处气相混和物非理想行为及剪切应力的影响,忽略传质对气体运动影响。
The influence of interfacial non-ideal behavior and stress is taken into account, neglecting of mass transfer on gaseous dynamics.
驱替过程是个传质、传热过程,包括多种随时间和空间变化的界面现象。
And the displacement process is a process of fluid mass and heat transfer, which refers to many interface phenomena changed with time and space.
利用外场促进气固界面、液固界面的传质,构造阶梯界面实现难溶气体吸收等。
Make use of external field to promote the gas-solid and liquid-solid mass transfer, and construct staged interface for the absorption of insoluble gases.
利用外场促进气固界面、液固界面的传质,构造阶梯界面实现难溶气体吸收等。
Make use of external field to promote the gas-solid and liquid-solid mass transfer, and construct staged interface for the absorption of insoluble gases.
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