非粘性流體 的英文怎麼說
中文拼音 [fēiniánxìngliútǐ]
非粘性流體
英文
inviscid fluid- 非 : Ⅰ名詞1 (錯誤) mistake; wrong; errors 2 (指非洲) short for africa 3 (姓氏) a surname Ⅱ動詞1 ...
- 粘 : 粘動詞(粘附) glue; stick; paste; adhere to; bond
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 體 : 體構詞成分。
- 流體 : [物理學] fluid; fluor流體力學 fluid mechanics; hydromechanics; 流體生物學 hydrobiology; 流體運動學 hydrokinematics
-
And the rock mass as the main object of most engineering practice is developed by all kinds of geotechnical action and force in the long geology history to the complex characteristic of continuous medium, crannied medium and granular medium, to the anisotropic and heterogeneous entity with elasticity, plasticity, viscidity, creepocity and rheology
作為主要工程對象的巖體是在漫長的地質歷史發展過程中經受各種地質營力作用而形成的成因和構造復雜,巖性多樣且包含了連續介質,裂隙介質和散體介質特徵的,兼有彈性、塑性、粘性、流變性的各向異性的非均質地質體。At the same time we study, analysis and discuss the action that non - linearity - stickiness - springiness and crazing damage of the pmma sample under creep though making us of the knowledge about the high molecule physics the damage theory of material of rheology of bodies with defects. through the study and theory analysis of single - axes stretching experiment in pmma sample under creep, take the surface crazing damage density of pmma sample as an variable, to look for a commonly rule that the crazing damage of pmma, and to offer a feasible damage model for the sake of study that of pmma ' s remoteness damage
同時運用高分子物理、含缺陷流變性物體的材料破壞理論等知識,對無孔洞pmma試件和有孔洞pmma試件蠕變條件下非線性粘彈性行為及其銀紋損傷現象進行了研究、分析與探討,通過對蠕變條件下的pmma試件的單軸拉伸實驗研究和理論分析,以pmma試件的銀紋損傷面密度值為損傷變量,來嘗試尋求pmma銀紋損傷的一般規律,為研究pmma的細觀損傷提供了一種可行的損傷模型。It adopts reynolds time - average n - s equation and k - ? turbulence model to calculate the inner 3 - d viscid turbulence flow of centrifugal pump. in the unstructured grid, the governing equations are discretized with finite volume method based on finite element method. then the pressure correction method is used to carry out numerical calculation
而後採用基於雷諾時均n - s方程與標準-湍流模型來求解離心泵葉輪內三維粘性紊流,在非結構化網格中,採用基於有限元的有限體積法對方程進行離散,用壓力校正法進行數值求解。The resonant flow was researched in this paper, which is an incompressible, inviscid fluid with surface tension and different variational bottoms ; the effects of different variational walls on the nonlinear surface waves were analyzed
本文通過對具有表面張力的、不可壓縮、無粘性流體流過不同壁面時的共振流動進行研究,分析了壁面變化對非線性表面波的影響。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。The boundary layer can indicate the comprehensive influences of oil reservoirs, the physical properties ( reservoir porosity, permeability, fluid viscosity and its composition ) of inside fluids and development conditions such as pressure gradient : the layer thickness reduces with the rise of capillary radius ; when capillary radius is fixed, the thickness increases with viscosity rise ; the more polarity composition content is, the more obvious the absorption, the thicker the boundary layer, more and more obvious the characteristics of non - darcy filtration
邊界層反映了儲層、流體物性條件(儲層孔隙度、滲透率、流體粘度、組分)和開發條件(壓力梯度)的綜合影響,認為邊界層厚度隨著毛管半徑的增大而減小;在毛管半徑相同的情況下,邊界層厚度隨壓力梯度的增大而減小,最後達到一個臨界值;毛管半徑一定時,邊界層厚度隨粘度增加而增大;極性組分含量越大,吸附越明顯,邊界層厚度越大;邊界層厚度越大,非達西滲流特徵越明顯。Singular nonlinear boundary value problems arising in the theory of viscous
粘性流體理論中一類奇異非線性邊界值問題Based on prandtl ' s momentum transportation, this paper calculates in detail the physical quantities such as eddy viscosities, and ratio of eddy viscosity to motion viscosity, total stresses with respect to relative position in three regions of viscous sub - layer, buffer layer, and main turbulent stream for non - newtonian fluid flowing turbulently in ducts, which according to karman ' s three layer models and measurement of fluid parameters in evaluation apparatus, discusses the influence of polymer drag reduction on flowing properties of non - newton fluid, analyzes quantitatively principle of turbulent reduction phenomenon and condition of increasing reduction rate
摘要以普蘭德動量傳遞理論為基礎,按照卡門的三層模型,通過室內模擬環道用0號柴油及加入減阻劑在圓管內的流動參數的測定,計算了非牛頓型流體管內湍流邊界層的層流內層、過渡層、湍流中心的渦流粘度,渦流粘度與運動粘度比、總應力隨相對位置的變化等定量參數,探討了高分子減阻劑對非牛頓流體流動特性的影響,對湍流減阻現象的機理與增大減阻率的條件進行了定量分析。The computations are shown to agree well with available experimental and numerical data and the physics of 3d large - scale flow separations and vortex shedding are confirmed. the simulation of the flow around a maneuvering wigley hull is a demonstration of capability for calculations of sway forces and yaw moments acting on a hull moving obliquely at a large range of yaw angles. the focus of study is large - scale cross - section separation flows, bilge - vortex development along the hull in the longitudinal direction and their effects on hydrodynamic forces
應用所開發的求解器,以wigley船型為算例計算了大角度斜航船體粘性流場和水動力,分析了漂角的變化對船體所受到的粘性水動力的影響,相當精確地預報了以橫流分離和般渦生成與泄出為特徵的操縱運動船體特有流動形態及橫向水動力和轉脂力矩,經與現有試驗和計算數據比較,檢驗和驗證了該求解器精確模擬繞斜航運動船體的大尺度分離流動和計算非線性水動力的能力。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。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。For simplicity, these assumptions are followed in the simulation : 1 ) the coronary artery is modeled as rigid tube with constant cross section ; 2 ) the blood is assumed as viscous incompressible newtonian fluid without weight ; 3 ) the blood flow is developing laminar and becomes fully developed at far downstream
實際生理條件下,血液是粘彈性流體,但據文獻表明,只要血管直徑不太小,血液粘彈性對流動的影響不大,可以忽略不記,本文也吸收了這一結論以簡化非關鍵過程,以提高工作效率。Second, the structural dynamic equations for blades are introduced in this paper. through numerically solving the aerodynamics - structure coupled equations, a 2 - d unsteady viscous flow in a single cascade is investigated under flow - structure coupled conditions, and a preliminary analysis of the cascade flutter is prosecuted
其次,本文引入葉片結構動力學方程,通過數值求解氣動結構耦合方程體系,研究了氣固耦合條件下葉柵內的二維非定常粘性流動,並初步進行了葉柵的顫振分析。The research of this dissertation is focused on how to simulate numerically the steady and unsteady subsonic, transonic and supersonic viscous flows around wing and aircraft by computational fluid dynamics method. on this basis, several kinds of aeroelastic problems of aircraft are investigated
本文的主要工作是利用計算流體力學( cfd )方法,數值模擬機翼和全機的定常及非定常粘性繞流,並在此基礎上耦合結構動力學方程研究了飛行器的多種氣動彈性問題。On the basis of the previous achievements and the settlement observed data, considering the obvious creep characteristic, visco - elastic - plastic creep model, which reflects the saturated soft clay ' s nonlinear deformation characteristic, has been proposed in this paper, with the consideration of the primary and secondary consolidation settlement. the soft clay visco - elastic and visco - plastic deformation is also depicted respectively
針對具有明顯流變特性的飽和軟粘土,在總結前人研究成果和整理沉降實測資料的基礎上,把主次固結沉降結合起來考慮,提出了反映其非線性變形特性的粘彈塑性流變模型,分別對土體的粘彈塑性變形進行描述。Analysis of nonlinear viscoelastic melt flow in plate die by half analytical finite element method
半解析有限元法分析非線性粘彈體在板材模具中的流動The technical and economic evaluation of thin - type spunbond nonwoven project has mainly finished the following research work : ( 1 ) utilize the theory and method of < marketing > for market investigation, research and forecast, analyze the developing trend and market requirement of the nonwocen abroad and at home, conduct quantitative forecast for raw materials and product price, and explain that during the essential period when liaoyang petrochemical company regulates the structure of industries and product and remodels the main business items, selecting to build up the production device for thin - type spunbond nonwoven is suitable. ( 2 ) introduce techniques of different companies to form different schemes. after analyzing the features of various schemes in the thesis, through building up the target system of four levels and utilize technical comprehensive evaluating way to conduct technical evaluation of four schemes for the thin - type spunbond nonwoven project and get the prior sequence from schemes d, b, a to c. ( 3 ) different technical schemes have various cash circulation amounts, economic evaluation is first based on evaluating and confirming feasibility of each scheme by the single scheme finance, select and use the method of multiple schemes comparison selecting - inutual repelling type multiple schemes optimization, select introducing the scheme of d company technique as the optimum, then conduct undetermined analysis to further test and verify feasibility of schemes
闡明了遼化公司在調整產業結構和產品結構、重塑主營業務的關鍵時期選擇建設8000噸年薄型紡粘非織造布生產裝置是適宜的; ( 2 )引進不同公司的技術形成了不同的方案,論文在分析了各方案的特點后,通過建立四個層次的指標體系,運用技術綜合評價的方法,對薄型紡粘非織造布項目的四個方案進行技術評價,確定了丁方案、乙方案、甲方案到丙方案的優先順序; ( 3 )不同的技術方案有不同的現金流量,經濟評價首先在單方案財務評價確認各方案可行的基礎上,選用多方案比選? ?互斥型多方案選優的方法,選擇引進丁公司技術的方案最優,而後,又進行了不確定性分析,進一步驗證方案的可行性。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。The navier - stokes equation is discretized in the moving - grid system. by adopting the explicit four - stage runge - kutta jameson finite volume scheme, and under the sustainment of acceleration algorithms such as dual - time stepping method, the multi - grid strategy and implicit smoothing of the residuals, a two dimensional unsteady viscous flow in vibrating cascades is simulated
本文在運動網格體系中離散n - s方程,應用runge - kutta四步顯式的jameson有限體積格式,並在雙時間方法、多重網格法及殘差光順等加速演算法的支持下,計算了二維振動葉柵非定常粘性流場。The vertical pile group loaded laterally has extensively used, so the researches on the bearing and deforming behaviour pile group under lateral loads are very important. previous researches of pile group loaded laterally are carried out mainly by experimental and theoretical analysis. though a lot of experimental data and researching achievements have been obtained, many problems remain unsolved for the complex nature of pile group loaded laterally
在實驗研究方面,由於做樁體流變實驗耗資大,時間長,國內外還沒有相關的報道;在理論上,人們對樁的流變的認識也非常有限,主要是利用遺傳理論、模型理論、或者把粘彈性問題轉化為彈性問題進行解答,但研究的都是樁的線性流變問題。分享友人