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- Three dimensional flow of polymer in extrusion dies is studied by Phan Thien and Tanner(PTT) model. 用PTT模型研究了聚合物在挤塑口模中的三维流动,提出一种通用的三维路线示踪方法用于流动分析。
- Realized the two dimensional flow field of steam ejector by the method of CFD numerical simulation,and discussed the maneuvering condition of ejector. 用CFD数值模拟的方法实现了蒸汽喷射器二维流场的分布和变工况特性。
- The three dimensional flow of metals during rollinghave been determined using the rigid-plastic finite element method of reducible volume. 本文应用刚塑性有限元法中的体积可压缩法,求解了板带轧制过程中的三维流动问题。
- In this paper,a new method of measuring liquid three dimensional flow velocity by rotaining the probe in the plane was submitted basing elaborate analyzing of hot film anemometer. 本文针对热膜流速仪元件的工作原理提出了在平面旋转测量液体三维流速的方法,并测量了大型精馏塔板液相单相三维流场。
- Based on the 3D aerodynamic stability model,the related active control technique and the open-loop transfer function have been provided,in which the three dimensional flow effects are involved. 在轴流压气机三维气动稳定性模型的基础上,给出了考虑轴流压气机三维效应的主动控制模型及其传递函数。
- The three dimensional flow field for the bell type swirl chamber diesel engine is first calculated. The calculated results and LDV measured data are compared,which show fairly good agreement. 首次对吊钟型涡流室式柴油机的流场进行了3维计算,计算结果与LDV实验结果具有良好的一致性。
- In this paper, a new method of measuring liquid three dimensional flow velocity by rotating the probe in the plane is presented based on the elaborate analyzing of hot film anemometer. 针对热膜流速仪元件的工作原理提出了通过平面旋转测量液体三维流速的新方法,并测量了大型精馏塔板液相单相三维流场,为计算流体力学对塔板模拟提供了实验验证。
- Three dimensional flow simulation of new pineapple-like components in an intermeshing counter rotating conical twin screw extruder with mixing blocks is performed with a finite element package, ANSYS. 对混炼型锥形双螺杆的挤出产量、物料压力、物料流动状态及混合效果进行了大量实验研究。
- Considering above facts, I set up three dimensional flows model through deep wellpumping in thick phreatic formations of loess in this paper. 本文根据黄土的渗透特性以及深井抽水时的水流规律,建立了黄土厚潜水含水层深井抽水时三维水流模型。
- The Eulerian-Largrangian method is used to study the gas flows and filtrations of particles in the three dimensional flows. 应用欧拉-拉格朗日方法对陶瓷过滤器的正向流动及过滤过程进行了三维的数值计算,详细分析了过滤器内的气固两相流场,揭示了陶瓷过滤器内部的流动规律,为陶瓷过滤器结构形式的选择提供理论依据。
- This non sequitur invalidates his argument. 他不根据前提推理因而论证无效。
- three- dimensional flow field calculation 三维流场计算
- two - dimensional flow mathematical model 平面二维水流数学模型
- Patience is a sine qua non for a good teacher. 做个优秀教师必不可少的条件是要有耐心。
- The diplomat was declared persona non grata. 这位外交家被宣布为不受欢迎的使节。
- He is declared personal non grata and forced to leave the country. 他被宣布为不受欢迎的人而被迫离开该国。
- A free flow of water came from the pipe. 水从管道里通畅地流了出来。
- I had had a few beers and was completely non compos mentis. 我喝了些啤酒就头昏脑胀了。
- Based on one dimension flow theory and Lagrange method, the correlation of speeding rate of particles under gas flow drag with the size of particles and the length of Laval nozzle used for the gas and solid two-phase separation test apparatus was studied. 摘要采用一元流动理论和拉格朗日方法,研究了用于气、固两相分离试验装置的缩放喷管内,被气流拖曳的颗粒加速率与颗粒大小和缩放喷管长度的关系。
- He was declared persona non grata and forced to leave the country. 他被宣布为不受欢迎的人而被迫离开该国。