粘流體 的英文怎麼說
中文拼音 [niánliútǐ]
粘流體
英文
viscous fluid-
The integral equations governing the three - dimensional viscous flow inside the turbo - machinery in the rotating coordinate system are presented in this paper, the viscous effects are simulated by the distributed body force described by professor denton j. d. the time - marching method and explicit finite volume difference scheme are employed to solve the flow inside the turbo - machinery
本文給出了相對旋轉坐標系下葉輪機械內部三維粘性流動的守恆型積分型方程組,利用dentonj . d .教授的粘性體積力法來模擬粘性對葉輪機械內部流動的影響,採用時間推進法和有限體積差分格式對葉輪機械內部的流動進行求解。Several research advances in viscose fluid mechanics
粘性流體力學研究的若干進展Seal gaskets are closed in the support points of plates resist high press fluid impact, and prevent leak out of fluids. twice gelatinize technology make gasket firm connected
處于板片有力支撐點包圍中的密封墊片,能承受較大的流體沖擊,不會泄漏,兩次塗膠工藝保證了密封墊片牢固粘接。Completes each kind of glue water, adhesive, sealant, tin, and other industry fluid for the customer to point, spreads, seals, fills and so on each kind glue craft
為客戶完成各種膠水、粘合劑、密封劑、錫膏和其他工業流體點、塗、封、灌等各種施膠工藝。Disturbance of plane viscous flow and hamiltonian system
平面粘性流體擾動與哈密頓體系Nonviscous fluid, inviscid fluid
無粘性流體Adopting two - dimensional incompressible, inviscid fluid model, some problems of flow - induced vibration are investigated
摘要採用二維不可壓縮無粘流體模型,探討了板狀結構的流致振動問題。A lot of experiments have been done in the process of exploiture soft packaging li - ion battery about how to choice the rational arts and crafts. the content include : how to deal with the collector, add how much pvdf in the material, how long the material need to stirring and the right viscidity, how much condubtivity agent the electrode need, what theckness is best, choice different collectors, the degree of dryness of the electrode, theckness of pressed model, how much electrolyte will be added, placement how long after added the electrolyte, system of formation how to influnce the battery, in formation the battery need or not need preesure from outside, how to vacuumize and the optimize matching positive pole and negative pole. with these practice make sure the parameter of the positive pole should less than 90 m ; according to different vacuumize order the conduc - tivity agent in anode will be 5mass % and 9mass %, respectively, and in cathode the data is 2mass % ; every 100mah added to 0. 4 ml electrolyte ; before formation the battery should be placement 8 hours and the system of formation must be less than 0. 01c before the voltage reach to 3. 0v ; should press in outside when battery in formation ; to these batteries which capacity more than 350mah the vacuum time not excess 15s ; the optimize matching positive pole and negative pole between 2. 10 : 1 and 2. 15 : 1. finally make out the battery which cycling performance and security are all very well
液態軟包裝鋰離子電池的研究主要是對關鍵工藝進行了優化設計,具體包括:集流體的處理、 pvdf的加入量、漿料攪拌時間和粘度、導電劑的加入量、電極膜的厚度、不同集流體的選擇、電極膜的乾燥程度、壓型的厚度、電解液的加入量、注入電解液后靜置時間的長短、化成制度的影響、化成時電池所具有的壓力影響、抽真空的處理、正負極活性物質的匹配。最後確定出液態軟包裝鋰離子電池最佳工藝參數:正極膜的厚度小於90 m ;根據化成時不同抽真空順序,確定正極膜中的導電劑的加入量分別為5mass %和9mass % ;負極膜中導電劑的加入量為2mass % ;電解液的加入量為每100mah添加0 . 4ml ;化成前電池的靜置時間應當大於8h ;電池在3 . 0v之前採用小於0 . 01c的化成制度;在化成過程中應當施加一定的外部壓力;對於350mah的電池抽真空的延時不應大於15s ;而正負極活性物質的質量比應當在2 . 1 : 1 2 . 15 : 1之間。According to the principle of mutual transformation between potential energy and kinetic energy, the vertically falling law of power law fluid by the action of unconstant static pressure and the relation between rheological parameter and time were studied, thus providing a theoretical basis for calculating the rheological parameters of fluid in funnel viscometer
根據位能與動能的變化關系,作者研究了在非恆定靜壓作用下冪律流體垂直下落的規律及流變參數與時間的關系,從而為計算漏斗粘度計中流體的流變參數提供了理論依據。The viscosity of the fluid has no direct effect on the velocity profile.
流體的粘度對速度場沒有直接影響。When turbulence breaks out, a fluid behaves as though its viscosity has suddenly increased.
湍流爆發時,流體顯得其粘性突然增加了。The time-dependent group of purely viscous fluids includes the thixotropic and the rheopectic fluids.
純粘性流體中與時間有關的一類包括觸變性流體和流凝性流體。Velocity field in ship waves on the viscous fluid
在粘性流體中船行波的速度場In chapter 5, based on biot ' s theory for anisotropic fluid - saturated porous media, the rayleigh waves in orthotropic non - viscous fluid - saturated porous media are studied
在第5章中,以biot的各向異性液飽和多孔介質理論為基礎,研究了正交各向異性無粘流體飽和多孔介質中瑞利波的傳播特性。A parallel computing software is established independently. this software is a cell - centered finite - volume, structured grid, multi - block code which solves the equations governing inviscid and viscous flow of a calorically perfect gas or of an arbitrary mixture of thermally perfect gas undergoing non - equilibrium chemical reactions
通過簡單的參數控制,該程序既可計算二維、軸又巾彌和三維量熱完全氣體,也可計算化判卜平衡流;既可計算無粘流,也可計算粘性流。By using the larger magnetic permeability, magnetic fluid was used to improve the magnetic circuit efficiency in torque motor, enlarge the output torque and displacement of torque motor, and the output flow of servo valve. correspondingly, the ability of noise - overcoming and system damping was enhanced due to the property of magnetic fluid. as a result, the stability of servo valve and servo - control system can be improved
由於磁流體具有較大的導磁率,可提高力矩馬達磁路效率、增大力矩馬達的輸出力矩和位移,從而增加伺服閥的輸出流量;同時,利用磁流體的粘度特性,可增強力矩馬達阻尼及抗干擾能力,從而增強伺服閥及伺服控制系統的穩定性。In modern aircraft design, there is an urgent requirement for accurate, efficient and easy - use aerodynamic data and computational analysis tools. however, the euler codes are not satisfied all the demand for simulating the complex flow - fields. more powerful tools solving navier - stokes ( n - s ) equations are longed for viscous effect, more accurate and more detail information of flow - fields
現代飛機設計迫切需要計算流體力學為其提供準確、高效和實用的氣動數據以及流場分析工具,已經不再滿足於僅採用euler方程進行數值模擬,它要求數值求解navier - stokes ( n - s )方程組以模擬粘性效應,提供更加準確而詳實的流場信息。4. based on the viscous hydrodynamics, the leakage characteristics of newton liquid that is transmitted by helical gear pump are researched for the aim of the least power loss, and the leakage model is founded, the mathematic models of the radial and the axial leakage are gained. at the same time the optimal radial leakage and axial leakage are got, and the numerical calculation is achieved
基於粘性流體力學,以功率損失最小為目標,首次對牛頓流體在斜齒齒輪泵中的漏流特性進行了研究,建立了泄漏模型,分別得到了斜齒齒輪泵的徑向和軸向泄漏的數學計算模型;同時得到了斜齒齒輪泵最佳徑向間隙和最佳軸向間隙,並在此基礎上進行了數值計算。For fluids with high viscosities such as polymers, effective mixing is not achievable by turbulent flow and laminar flow is the only method for mixing of fluids with high viscosities
對于聚合物這樣的高粘物系,不可能產生湍流來產生高效混合,層流混合是高粘流體唯一可能的混合方式。By analyzing flow status of fluid in aerating pipeline, giving up hydraulics and utilizing hydromechanics and advance numerical calculations, the prediction method to solve optimizations height on flow status in aerating pipeline is studied and put forward, which provides a scientific theory base to realize effective drag reduction and economic principle in blend phase transportation for pipeline design
摘要通過分析摻入少量高粘流體形成分層紊流層流的流動狀態,拋棄傳統的水力學研究方法,應用流體力學原理、高級程序設計語言和先進的數值計算技術研究了摻入少量高粘流體分層紊流層流減阻規律,為實現管道混相輸送時高效減阻和經濟節約的設計提供理論依據。分享友人