流體動力模型 的英文怎麼說

中文拼音 [liúdòngxíng]
流體動力模型 英文
hydrodynamic model
  • : 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...
  • : 體構詞成分。
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  • : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
  • 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
  • 模型 : 1 (仿製實物) model; pattern 2 (制砂型的工具) mould; pattern3 (模子) model set; mould patter...
  1. Hydrodynamics in an air - lift loop reactor

    氣升式環反應器的
  2. Active structure acoustic control ( asac ) is the leading field in the area of vibration and noise control. based on the most current academic and experiment results of domestic and overseas in asac, modern robust control theory ( h _ control theory ) and modern hydrokinetics theory 、 solid dynamics theory are used to build the control model of asac in this thesis. and the h _ control experimental system is build based on modern signal processing technology and compter technology

    本文在國內外最新的asac理論研究與實驗成果的基礎上,首次將現代魯棒控制理論( h _控制理論)與現代學、固學理論相結合,建立了結構振聲輻射主控制,提出了設計魯棒h _控制器的新方法,並採用現代信號處理技術、計算機技術建立了結構振聲輻射魯棒h _控制實驗裝置,進行了實驗研究。
  3. Based on hydrodynamic lubrication theory, a rectangular tire tread model for simulating the viscous hydroplaning of tire is set up, taking into consideration the effects of hydrodynamic action, squeeze action and road roughness with numerical solutions obtained

    摘要根據潤滑理論,將輪胎貓性滑水問題擬為胎面單元與路面之間的壓、擠壓膜問題,同時考慮了路面粗糙度的影響,建立了輪胎胎面單元黏性滑水問題的數學,並進行數值求解。
  4. Second, the imaging model built here has taken into account the tilt modulation, the hydrodynamic modulation, and current modulations of radar cross section. consequently, it has realized the imaging simulation of four kinds of wakes with the same imaging model. third, the orbital velocity of ocean wave was considered as the basic dynamic factor, and the imaging model calculates the influence on raw data by the wave m ovement according to the orbital velocity

    的主要特點是: ( 1 )它採用了三尺度復合表面的思想來計算海面的電磁散射,考慮了中等尺度波對紋波的進一步調製作用,彌補了傳統雙尺度的不足; ( 1 )它考慮了海浪的傾斜調製作用、調製作用和場對雷達截面的調製作用,實現了用統一的對四種艦船尾跡特徵進行成像擬; ( 3 )它把海面長波的軌道速度作為基本的態成分,並依此來考慮海面運對sar回波信號的影響。
  5. Relaxation limit of a unipolar isentropic hydrodynamic model for semiconductors

    一類單極等熵學半導的鬆弛極限
  6. Firstly, based on the present research all over the world, a 3d quasi - single phase model is built together with k - equations. the special feature of this model is taking account of the influence of interaction between liquid and gas, that is to say, the influence of interphase drag force, lifting force perpendicular to the relative velocity, virtual mass force and gas or liquid volume fraction in the fluid field have been considered. a 3d two - fluid model is also built in order to describe more accurately the fluid flow on distillation trays by comparing the computational results of quasi - single phase mathematical model with of two - fluid mathematical model

    本文在國內外已有的研究基礎上,首先建立了以k - (封閉為基礎的三維擬單相,該的特點在於充分考慮了氣液兩相間相互作用的影響,即計入了相間曳、橫向升、虛擬質量和氣、液相含率對場的影響;並建立了塔板三維雙,主要目的是通過對比擬單相數學、雙數學的計算結果,建立能夠準確描述塔板上的數學
  7. A margin of the viscous quantum hydrodynamic model

    粘性量子的一個極限
  8. During the process of studying tectonic origin of gold - bearing breccia bodies in the shuangwang gold deposit, shanxi province, the author apply several modern tectonics theories, such as hydrofracturing, fluid dynamic breccia, tectonic pumping, deformation partitioning, embryonic fracture etc. the paper presents an kind of new model for the formation of hydrofracturing breccia - type metallotectonic, which is one of fracture - vein - breccia series metallotectonics concerning fluid, by deformation partitioning, embryonic fracture, hydrofracturing and rupture - healing

    本文所探討的陜西雙王含金角礫巖的構造成因研究運用了水壓裂作用、角礫巖、泵吸作用、變形分解作用和雛形斷裂理論等幾個現代構造地質理論,提出了變形分解作用?雛形斷裂作用?水壓裂作用?裂開愈合作用四位一的水壓角礫巖咸礦構造,是與作用有關的裂隙?脈?角礫巖系成礦構造的一種新的式。
  9. Based on the hydrodynamics energy transport model, the degradation induced by donor interface state is analyzed for deep - sub - micron grooved - gate and conventional planar pmosfet with different channel doping density. the simulation results indicate that the degradation induced by the same interface state density in grooved - gate pmosfet is larger than that in planar pmosfet, and for both devices of different structure, the impact of n type accepted interface state on device performance is far larger than that of p type. it also manifests that the degradation is different for the device with different channel doping density. the shift of drain current induced by same interface states density increases with the increase of channel do - ping density

    基於學能量輸運,對溝道雜質濃度不同的深亞微米槽柵和平面pmosfet中施主界面態引起的器件特性的退化進行了研究.研究結果表明同樣濃度的界面態密度在槽柵器件中引起的器件特性的漂移遠大於平面器件,且電子施主界面態密度對器件特性的影響遠大於空穴界面態.特別是溝道雜質濃度不同,界面態引起的器件特性的退化不同.溝道摻雜濃度提高,同樣的界面態密度造成的漏極特性漂移增大
  10. The thesis was written under the direction of dynamic theory of forming reservoir, follows the rules of comprehensive information, judgment, interpretation and assessment and even makes full use of outcrop geology, data from drilling and logging, data from laboratory analysis and achievements in geophysical exploration. considering the basic factors of forming reservoir in the south of ordos basin as the starting point, the thesis defines that yanchang group of triassic goes into the start of generating oil in the late period of mid - jurassic and that the largest oil generation peaks in the middle period of early cretaceous, after the analogue - history of hydrocarbon generation. meanwhile it also establishes the relationship between the evolution of oil and gas and the formation of traps, the time of oil exploration

    本文以成藏學理論為指導,本著綜合信息、綜合判斷、綜合解釋、綜合評價的原則,充分利用露頭地質,鉆測井資料,實驗分析資料及物化探成果,以鄂爾多斯盆地南部的基本成藏要素為出發點,通過生烴史擬,確定了三疊系延長組在中侏羅晚期( 150ma )進入生油門限,于早白堊世中期達到最大生油高峰期;同時並確立了油氣演化與圈閉形成、捕油時間的關系;通過勢的全區計算,提出了該區油勢具有明顯的「雙層」結構特徵,並建立了以靜水壓為主的重系統和以差異壓實作用為主的壓實系統的分佈;通過成藏學系統的劃分及事件分析,探討了該地區油氣聚集規律,最終指出了有利的含油氣遠景區。
  11. A transient, three - dimensional, non - isothermal and two - phase mathematical model based on computation fluid dynamics was developed to describe the dynamic process of pemfc

    摘要為描述質子交換膜燃料電池的態過程,發展了一個基於計算學的非穩態、非等溫的三維兩相數學
  12. The hydrodynamic and the drift - diffusion models are the most widely used models to describe semiconductor devices today

    在所有描述半導的數學中,和漂移擴散是應用最廣泛的
  13. As one of the several models to improve the drift - diffusion model, the hydrodynamic model plays an increasingly important role in simulating the behavior of the charge carrier in sub - micron semiconductor devices because it can exhibit velocity overshoot and ballistic effects for which are not accounted the classical drift - diffusion model

    漂移擴散自上世紀五十年代初一出現,就得到了人們的廣泛關注。但隨著微電子技術的發展,它不能很好的解釋半導中的有些現象,就應運而生了。
  14. Based on the hydrodynamic, by using momentum theory to the liquid in the flow channel, the computational formula of the air exciting - vibration force is acquired. by using four - step runge - kutta method, the periodic response results of the elastic rotor system with one single - disc are gained. then the dynamic characteristics of the rotor system at the certain rotate speed and the certain physic parameter of system are analyzed by using the phase spaces and poincare maps of this system

    基於學,通過對葉片道內的應用量定理,得到此汽激振,並採用四階龍格庫塔法,得出了單盤彈性轉子系統的周期響應規律,然後根據系統的相軌跡及poincare映射圖,分析了系統在特定轉速及特定的轉子系統參數下的運特徵。
  15. In the thesis the low drag - low noise optimization of the vehicle main form design is realized, main accomplishments are as follows. researched the knowledge of drag and flow noise, the parameters of the boundary layer are calculated by the hess - smith method and boundary layer momentum integral method. the calculation of the length of transition zone and change in boundary layer displacement thickness between laminar and turbulent states in the transition is improved, then the drag coefficient and self - noise from the transition zone are calculated as the objective functions of the optimization

    主要研究內容和成果如下:對航行器繞場進行分析,深入研究了阻噪聲產生機理,建立了阻系數和自噪聲的評估數值計算;採用物面分佈源匯法和邊界層量積分法對繞場的參數進行計算,改進了轉捩區長度和邊界層位移厚度的計算,應用於航行器頭部駐點自噪聲的計算;最後設計了阻系數和自噪聲數值計算程序塊。
  16. The static and dynamical parameterized finite element model of the whole frame of the pipe belt conveyor and the fluid dynamic parameterized finite element model of the structural section are established by the software ansys of the finite element analysis. and then the static wind load of the whole frame of the pipe belt conveyor is calculated through the average wind pressure theory and computer simulation technology

    利用有限元分析軟ansys建立圓管帶式輸送機整機架結構的靜、參數化有限元及結構斷面的學參數化有限元,並通過平均風壓理論及計算機擬技術計算出作用於機架結構的靜風荷載。
  17. A mathematical model, computational method and some experimental results are presented for the hydrodynamic interacting forces and moments between two 3 - d bodies moving in an unbounded water domain. this work is stimulated by a study of the hydrodynamic interactions when a uuv approaching to a parent submarine

    本論文給出了水下雙干擾的數學、計算方法和試驗結果,目的在於研究水下無人平臺( uuv )接近母潛艇時的水干擾及其規律。
  18. A simplification for hydrodynamic model through relaxation limit leads to drift diffusion model

    通過時間的鬆弛極限得到的一種簡化形式,即飄擴散
  19. Secondly, we study the asymptotic behavior of the global spherically symmetric smooth solutions to the initial boundary value problem for the multidimensional model for semiconductors in the exterior domain, i. e., we prove that the solution of the problem converges to a stationary solution time asymptotically exponentially fast. this result was published in the journal of henan university ( natural science, 4 ( 2003 ) )

    其次,研究在外部區域上的高維流體動力模型初邊值問題:證明了該問題的解依指數形式收斂到對應穩態問題的解,這一結果已發表在河南大學學報(自然科學版) 2003年第四期上。
  20. Firstly, after the analysis of the specific hydrodynamic problem in detail, this thesis builds up an integrated simulation system of auv recovery

    首先,基於回收時特殊的流體動力模型,構造了回收的集成擬器,包括水擬、推擬以及海洋環境擬等等。
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