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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擠塑口模中的三維流動,提出一種通用的三維路線示蹤方法用於流動分析。
- 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數值模擬的方法實現了蒸汽噴射器二維流場的分佈和變工況特性。
- The three dimensional flow of metals during rollinghave been determined using the rigid-plastic finite element method of reducible volume. 本文應用剛塑性有限元法中的體積可壓縮法,求解了板帶軋制過程中的三維流動問題。
- 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. 本文針對熱膜流速儀元件的工作原理提出了在平面旋轉測量液體三維流速的方法,並測量了大型精餾塔板液相單相三維流場。
- 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. 在軸流壓氣機三維氣動穩定性模型的基礎上,給出了考慮軸流壓氣機三維效應的主動控制模型及其傳遞函數。
- 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. 首次對吊鐘型渦流室式柴油機的流場進行了3維計算,計算結果與LDV實驗結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. 針對熱膜流速儀元件的工作原理提出了通過平面旋轉測量液體三維流速的新方法,並測量了大型精餾塔板液相單相三維流場,為計算流體力學對塔板模擬提供了實驗驗證。
- 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. 對混煉型錐形雙螺桿的擠出產量、物料壓力、物料流動狀態及混合效果進行了大量實驗研究。
- Considering above facts, I set up three dimensional flows model through deep wellpumping in thick phreatic formations of loess in this paper. 本文根據黃土的滲透特性以及深井抽水時的水流規律,建立了黃土厚潛水含水層深井抽水時三維水流模型。
- The Eulerian-Largrangian method is used to study the gas flows and filtrations of particles in the three dimensional flows. 應用歐拉-拉格朗日方法對陶瓷過濾器的正向流動及過濾過程進行了三維的數值計算,詳細分析了過濾器內的氣固兩相流場,揭示了陶瓷過濾器內部的流動規律,為陶瓷過濾器結構形式的選擇提供理論依據。
- This non sequitur invalidates his argument. 他不根據前提推理因而論證無效。
- three- dimensional flow field calculation 三維流場計算
- two - dimensional flow mathematical model 平面二維水流數學模型
- Patience is a sine qua non for a good teacher. 做個優秀教師必不可少的條件是要有耐心。
- The diplomat was declared persona non grata. 這位外交家被宣布為不受歡迎的使節。
- He is declared personal non grata and forced to leave the country. 他被宣布為不受歡迎的人而被迫離開該國。
- A free flow of water came from the pipe. 水從管道里通暢地流了出來。
- I had had a few beers and was completely non compos mentis. 我喝了些啤酒就頭昏腦脹了。
- 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. 摘要採用一元流動理論和拉格朗日方法,研究了用於氣、固兩相分離試驗裝置的縮放噴管內,被氣流拖曳的顆粒加速率與顆粒大小和縮放噴管長度的關係。
- He was declared persona non grata and forced to leave the country. 他被宣布為不受歡迎的人而被迫離開該國。