单相流的英文
single phase flow
single-phase flow
例句与用法
更多例句： 下一页- The result shows that the general form of mass conservation can be applied to describe the percolation features of the porous media fluids in single phase , multiphase and solid phase in deformation media
结果表明，该通用方程能描述多孔介质流体在不同流动条件下的单相流、多相流和变形介质中流动的渗流特征。 - For steam generator , in great cases , flow in the second side is bubbly flow , so one dimension homogeneous flow model is used . for pressurizer , based on its character , a three - region model is used
对于蒸汽发生器，考虑到在绝大多数工况下二次侧工质的流动为泡状流，因此在二次侧的计算中采用了均相流模型，在一次侧的计算中采用了单相流模型。 - The device consists of a single - phase flow test device , which can make a real simulation of the downhole working conditions and the flow of the liquid in the subsurface pump , and a miscible - phase flow test device , which can simulate various oil - gas ratios
这种装置由单相流试验装置和混相流试验装置构成，前者能比较真实地模拟井下的各种工况和抽油泵内液体的流动状态，后者可模拟不同的油气比。 - Firstly , based on the present research all over the world , a 3d quasi - single phase model is built together with k - equations . the special feature of this model is taking account of the influence of interaction between liquid and gas , that is to say , the influence of interphase drag force , lifting force perpendicular to the relative velocity , virtual mass force and gas or liquid volume fraction in the fluid field have been considered . a 3d two - fluid model is also built in order to describe more accurately the fluid flow on distillation trays by comparing the computational results of quasi - single phase mathematical model with of two - fluid mathematical model
本文在国内外已有的研究基础上，首先建立了以k - (封闭模型为基础的三维拟单相流模型，该模型的特点在于充分考虑了气液两相间相互作用的影响，即计入了相间曳力、横向升力、虚拟质量力和气、液相含率对流场的影响；并建立了塔板三维双流体模型，主要目的是通过对比拟单相流数学模型、双流体数学模型的计算结果，建立能够准确描述塔板上流体流动的数学模型。 - Secondly , for the first time , by volume average concept and reynolds time - average method , a 3d quasi - single phase mass transfer model of distillation tray is deduced by considering the effects of velocity fluctuation , concentration fluctuation and volume fraction of gas and liquid on mass transfer . a source item sc for interphase mass transfer is considered . by applying conventional method of estimating the interphase mass transfer coefficient , a formula for sc is obtained
其次，采用体平均概念、雷诺时均化方法结合塔板气液相互作用的实际情况首次推导了考虑速度、浓度脉动项和气、液相含率影响的塔板三维拟单相流湍流传质模型，源相中考虑了气液相间传质项sc ，并运用化工中关于相间传质系数计算的理论，推导了sc的表达式。
