two-fluid model造句

• Numerical simulation of gas - solid two - phase flows in a swirling - flow combustor through the use of a modified k - - kp two - fluid model
  双流体模型用于模拟旋流突扩燃烧室内气固两相流动
• Based on the two - fluid model , the attenuation process of blast waves in sprays is simulated by using the eulerian - lagrangian method
  基于双流体模型，利用euler - lagrange组合方法，对爆炸波在液雾中的衰减过程进行了数值模拟。
• We successfully apply the two - fluid model ( tfm ) to the study of two dimensional and three dimensional dense gas - solid flow characteristics . the results show some rules on the particle collisions and gas particle interactive influence of the vertical upward pipe
  在对高浓度气固两相流的研究中，成功的运用双流体模型对两维和三维垂直立管段进行了研究，揭示了垂直立管内的高浓度气固流动的颗粒碰撞以及气相和颗粒相的相互影响的一些规律。
• We successfully apply the two - fluid model ( tem ) and kinetic theory of granular flow studying the two dimensional dense gas - solid flow characteristics in the large scale circulating fluidized beds and the cold experimental system with piv . the results of simulation are in accord with others " simulation and experimental results . in the end , we make the three dimensional simulation for the cold cfb riser , which is closer to the factual operation and this experimental results
  在对高浓度气固两相流的研究中，根据fluent软件现有的条件和解决工程实际问题的需要，采用单气固相双流体欧拉模型，采用模拟紊流固粒流中普遍接受的方法“颗粒流的运动理论( kinetictheoryofgranularflow ) ” ，对大尺度循环流化床进行了二维数值模拟，与他人数值模拟结果和实验结果进行了对比，检验模型的准确性。
• 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。
• Abstract : a continuity wave model is put forward for the dispersion processof liquid - liquid two - phase system , by coupling mass and momentum conservation equations of two - fluid model . the conditions that result in a dispersion choke and the weak instability of a dispersion process are derived from the model . the phenomena of catastrophic inversion and transitional inversion are explained . the effect of drop size distribution on the maximum volume concentration of a emulsion is predicted using the model . according to the theory herein , emulsion inversion is the regime transition of liquid - liquid system due to the instablity of a dispersion process . the effect of drop size distribution on the maximum volume concentration of a liquid - liquid emulsion only occurs in a certain range of weber numbers
  文摘:以双流体模型为基础，通过质量守恒方程和动量守恒方程的耦合，提出了液-液两相系中弥散传质的连续波模型.由该模型得到弥散传质过程阻塞和弥散传质过程弱不稳定性产生的条件，计算了液滴尺寸及其分布对乳化液极大堆砌分数的影响，解释了剧变型乳化逆变和渐变型乳化逆变现象.研究结果表明，乳化逆变是由于弥散传质过程的不稳定性而引起的悬浮体型态的改变，随液滴尺寸多分散性的增大，极大堆砌分数增大；随液滴平均尺寸的增大，多分散性对极大堆砌分数的影响减弱；当韦伯数足够大时，液滴尺寸及其分布对乳化液极大堆砌分数无影响