粘性液體流 的英文怎麼說
中文拼音 [niánxìngyètǐliú]
粘性液體流
英文
frictional flow-
Through the special studies on impacts to atomizing and humidifying effect from such factors as the firing pin type, centrifugal structure, higher spraying pressure, less aperture, initial water temperature and original state of the air, some conclusions are obtained, such as : the centrifugal nozzle with firing pin type, high pressure and little aperture has bigger air eddy and atomizing angle. the spaying liquid has high velocity. the droplet is small, and the heat and mass transfer velocity is high
通過對撞針型結構、離心式結構、較高的噴水壓力、較小的噴嘴孔徑、噴水初溫及待加濕空氣初狀態對霧化加濕效果的作用原理的重點分析,得到:撞針型高壓小孔徑離心式噴嘴具有較大的空氣渦與霧化角,噴出的液體流速高、液滴小、水與空氣傳熱傳質速率高,撞針型結構提高了霧化加濕效率,高壓小孔徑的特點為霧化加濕提供了較大的能量,而噴水初溫的升高會減小水的粘性力和表面張力,從而優化加濕效果。Ultrasonic has being attracted much attention gradually in fuel atomization because of some specialities of cavitation and infection on liquid flow. in the course of atomization of pitchy oil, especially, does it show greatly its advantage, but its material atomizational mechanism need research ulteriorly. the primary content of this thesis is about adding cantilever reed to effervescent atomizer so as to combine ultrasonic and effervescent. this thesis has discussed ultrasonic some mechanism, ultrasonic dynamical procreator, effervescent and liquid mucosity infection on atomization, at the some time we make some experiments and discuss atomization rule following some machinery parameter and run parameter so as to find some rule about ultrasonic atomization and to rich the research of ultrasonic atomization mechanism. all that will be beneficial to the design about ultrasonic atomization atomizer
超聲波由於其空化機理及對液體的流變性影響等特性,在燃油霧化燃燒中逐步引起人們的重視,尤其在重渣油等高粘度液體的霧化過程中逐步顯示出其優越性,但其具體的霧化機理還需要做進一步的研究在氣泡霧化噴嘴基礎加入懸臂式簧片哨,將超聲波與氣泡霧化相結合是本文討論的主要內容本文從研究超聲波的一些機理入手,討論了超聲動力發生器氣泡霧化以及液體粘度對霧化質量的影響,並通過具體的實驗,根據實驗數據來討論霧化質量隨各種結構參數運行參數的變化規律,以便找到超聲霧化的一些規律,豐富對超聲霧化機理的研究,對超聲霧化噴嘴的設計具有一定的指導意義。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。The numerical simulations show that the phase plane and amplitude plane in orthotropic fluid - saturated porous media is not paralleled to each other any more though the dispersion caused by the fluid is omitted. it is one kind of non - homogeneous wave. the maximum attenuation is no longer
指出由於介質的各向異性,盡管忽略了流體粘度引起的粘度耗散,正交各向異性液飽和多孔介質中瑞利波的相平面和幅平面亦不再重合,為非均勻波,最大的衰減不再沿波傳播方向。You are correct about the - 40c miscibility problems. the oil has to have a low pour point in order to flow and still have sufficient viscosity for the compressor lubrication
你談到油在40度的溶解性的問題是正確的。油不得不具有有一個很低的流動點(流(動)點:油或其他液體在規定條件下流動的最低溫度) ,還需要有足夠的粘度作為壓縮機的潤滑作用。In the third chapter, the mathematical models of project system have been established, and simulation has been done on the simulink enviroment of matlab software kits. the simulation focus on the effects of main parameters on the dynamic characteristics of speed control system, and the main parameters include viscosity damp coefficient and friction torque of electrical motor shaft, internal leakage coefficient of pump / motor of hydraulic circuits, gas volume of pressure accumulator, viscosity damp coefficient of cylinder piston and different running building floors, etc. at last, theoretical research effects of the flow and pressure pulsation of pump / motor on car speed and oil volume leakage theory are discussed. the fourth chapter of this thesis concerns the research on the key items about hydraulic power control system according to the ens 1 - 2 and other hydraulic elevator standards
論文第三章針對組成系統的各個模塊進行了機理建模,並且通過matlab軟體中的simulink圖形化模擬環境進行了本課題系統的模擬研究,主要針對影響系統特性的主要參數變化,動態分析系統的輸出特性,在上下行工況中,分析了電機軸系粘性阻尼系數、軸系摩擦力矩、主迴路蓄能器迴路液壓泵馬達內泄漏系數、蓄能器氣體容積、液壓缸柱塞粘性阻尼摩擦系數以及不同運行樓層工況等參數對系統特性的影響;最後對軸向柱塞泵馬達的流量壓力脈動對電梯轎廂速度的影響和蓄能器內油液體積損失機理進行了理論研究。Using smoluchowsky and mooney ' s rheology theory we analyze that without magnetic field 77 will increase as s andv increase ; using the rosensweig ' s formula and hydromechanical theory, we can illustrate that in the magnetic field and the outside temperature being certain, 77 will increase as the magnetic field increase, when the magnetic fluid ' s s and v are determined
在外磁場的作用下,綜合rosensweis公式及流體力學理論很好的解釋了在外界溫度一定時,基液質量百分比濃度s和磁性微粒體積分數人確定的磁性液體,其粘滯系數司隨外磁場的增加而增加的原因。Attenuation characteristic of fast wave, slow wave, quasi - transverse wave and anti - plane transverse wave are discussed and the combined effects of the anisotropy of the solid skeleton and fluid viscosity on the propagation characteristic of plane waves are analyzed numerically. the influence of horizontal anisotropy and fluid viscosity on the propagation characteristic of elastic waves is clarified
討論了液飽和多孔介質中快波、慢波,準剪切波和反平面剪切波的衰減特性,並分析了固體骨架異性以及流體粘度的綜合效應對平面波傳播特性的作用,澄清了介質水平面內異性以及流體粘度對彈性波傳播特性的影響。Whereas, the research on torque characteristics, working fluid, two - phase flow in lvc has n ' t been mature by now. further study is undertaken based on former researches in this paper
但是目前對于液體粘性聯軸器的轉矩特性、工作流體特性以及硅油空氣的兩相流體流動與傳熱特性的研究,並不十分成熟。The author makes a mathematics model by viscous hydrodynamics and so on theories of the flowing material a and b on the board, and deduces the formulas of the film thickness and perfusion measure. i also analyze the surface tension of liquid, in order to find out the best technical parameters and to control
作者利用粘性流體力學等理論建立了a 、 b混合料在太陽能電池板上流動的數學模型,從而推導出薄膜的厚度和灌注量的計算公式,並對所形成液面的表面張力進行分析,以找出最佳的技術參數,以便對其進行控制。Like other liquid crystals ( lc ), chorlesteric phase liquid crystal ( clc ) not only owns liquidity, deformability and viscosity of liquid, but also holds the optical anisotropy of crystal
膽甾相液晶同其他液晶態物質一樣,既有液體的流動性、形變性、粘性,又具有晶體的光學各向異性,是一種優良的非線性光學材料。Electrorheological fluids ( erf ) consists of a suspension of high dielectric particles in a liquid of low dielectric constant. with the action of the applied electric field, particles interact with each other. the viscosity of erf increases dramatically and the erf turns into solid
電流變液是由高介電常數、低電導率的電介質顆粒分散於低介電常數的絕緣液體中形成的懸浮體系,具有通過調節電場強度改變表觀粘度和屈服應力的機電耦合特性。A simple pressure - reduced capillary viscometer was designed. it was used for studying the abnormal rheological properties of surfactant solutions, such as fluid patterns, thixotropy and negative thixotropy
安裝了一種簡單的減壓型毛細管粘度計,用於測量非牛頓性表面活性劑溶液的流變性質,如判斷流體類型,判斷流體的觸變性及負觸變性等。It is believed that it can bring the important inspiration for the future medical micro robot which can be embedded into inner organ of human for inspection, drug spot deliverance and local body surgery. supported by supported by the nation nature science foundation of mechanism, structure and control study on swimming micro robot in liquid ( item no. 69885002 ) and guangdong province science foundation of research on swimming micro robot in liquid ( item no. 980402 ) and guangdong province education department foundation of research on micro pipe robot driven by liquid self energy ( item no. 010043 ), this dissertation mainly deals with much theoretical and, including research situation and the main issue of micro mobile robot in liquid, fish propulsion mechanism, design and locomotion mechanism, and flagellum - like propulsion swimming micro robot in low reynolds number viscous liquid
本論文得到國家自然科學基金項目「泳動微機器人的機理、機構和控制」 (項目資助號: 69885002 ) 、廣東省自然科學基金項目「液體中泳動微機器人的研究」 (項目資助號: 980402 )和廣東省教育廳基金項目「基於流體自身能量的微管道機器人研究」 (項目資助號: 010043 )的資助,主要對液體中微機器人的國內外研究現狀和主要研究問題、魚類推進機理、液體中微機器人的設計與運動機理、低雷諾數粘性液體中仿鞭毛推進微機器人研究等方面進行了大量的理論與實驗研究。The resulting semi - solid mixture then flows homogeneously, figure 1, behaving as a thixotropic fluid with viscosity depending on fraction solid, morphology, shear rate and time
這樣最終形成的半固態混合物會均勻地流動(圖表1 ) ,並依據固體粒度、晶形、剪切速率及時間而形成粘性觸變液體。The outstanding benefit of this construction is the straight liquid passage which is - from a fluidic point of view - especially advantageous for suspensions, viscous or abrasive fluids as well as such not being allowed to be exposed to gravity or containing solids
這種泵的設計上的顯著優點是其直線的流通通道,從流體的角度看,這一點在處理懸浮液、粘性流體或有磨蝕性流體,以及不能暴露在重力下或含有固體的的流體時特別有利。Based on theories of hydraulic and nonlinear control system, this paper analyses the force of oil film in the hydro - viscous drive, and establishes its mathematic model
在液壓流體力學理論和非線性控制理論的基礎上,對液粘制動器中的油膜的受力進行了研究並建立其數學模型。By applying four kinds of fluids and through contrasting the relevant parameters measured by rotary viscometer with the calculation results from funnel viscometer and rotary viscometer, it is indicated that the funnel viscometer is of relatively high measuring accuracy and can be well applied to the rheological design of drilling fluid
文章最後應用四種不同性能的液體,採用旋轉粘度計實測的有關參量,與漏斗粘度計及旋轉粘度的計算結果對比,說明了漏斗粘度計在一定條件下具有較高的測量精度,能較好地用於鉆井液的流變學設計。However, the research on torque characteristics, working fluid, two - phase flow of lvc has n ' t been quite mature at present. embedded studies are undertaken based on the former researches in this paper
但是目前對于液體粘性聯軸器的轉矩特性、工作流體特性以及硅油空氣的兩相流體流動與傳熱特性的研究,並不十分成熟。As a kind of condensed state matter, the characteristic and structure of liquid crystal between solid crystal and isotropic liquid. it is a ordering liquid, as the macroscopical characters are concerned, it have the flowing power and viscidity like liquid, and the anisotropy like crystal, it has birefringence, bragg reflection, diffraction and optical rotation like crystal. furthermore, it has thermal light effect, electrical light effect or magneto optical effect in outside field
它是一種有序性的液體,從宏觀物理性質上看,既具有液體的流動性、粘滯性,又具有晶體的各向異性,能象晶體一樣發生雙折射、布拉格反射、衍射及旋光效應,也能在外場作用下產生熱光、電光或磁光效應。分享友人