角層分離 的英文怎麼說
中文拼音 [jiǎocéngfēnlí]
角層分離
英文
deciduous skin- 角 : 角Ⅰ名詞1 (牛、羊、 鹿等頭上長出的堅硬的東西) horn 2 (古時軍中吹的樂器) bugle; horn 3 (形狀像...
- 層 : i 量詞1 (用於重疊、積累的東西 如樓層、階層、地層) storey; tier; stratum 2 (用於可以分項分步的...
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 離 : Ⅰ動詞1 (離開) leave; part from; be away from; separate 2 (背離) go against 3 (缺少) dispens...
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Three kinds of trapezoid, delta and airfoil shaped vortex generators are designed based on traditional, sub boundary layer and micro - vortex generators conceptual design, to study the influence of the shape, height, aspect ratio, chordwise position, spanwise position and direction angles of vortex generators on boundary layer separation control
( 5 )綜合分析研究了渦流發生器的工作原理和設計原則。根據國內外資料,研究了渦流發生器形狀、高度、展弦比、尖削比、弦向位置、展向位置和方位角等因素對附面層分離控制效果的影響。Neural network control is an important mode of intelligent control, and it is widely used in branches of control science, first, the architecture and the learning rule ( error back propagation algorithm ) of multiplayered neural network which is widely used in control system are presentedo especially, the paper refers to the architecture of diagonal recurrent neural network and its learning algorithm - - - - - recurrent prediction error algorithm because of its faster convergence with low computing costo next, before introducing the neural network control to the double close loop dc driver system, the controllers of current and velocity loop are designed using engineering design approach after analysis of the system, simulation models of the system are created
神經網路控制是智能控制的重要方式之一,它廣泛應用於自動控制學科各個領域。本文首先敘述了控制系統中常用的多層前饋網路結構及演算法( bp演算法) ,特別提及了能夠較好描述系統動態性能的對角遞歸神經網路和在用遞推預報誤差演算法訓練drnn時取得了較快的收斂速度。其次,應用工程方法分析設計了tf - 1350糖分離機的電流、轉速雙閉環直流調速系統的控制器,作為引入神經網路控制的設計基礎,並建立了系統的模擬模型。In the present works, a self - consistent model describing the dynamics of radio - frequency ( rf ) sheath was established. the effects of collisions on the rf sheath dynamics, distributions of ion energy and angle incident on the substrate and the etching profiles were investigated numerically
本文建立了一套自洽的碰撞射頻等離子體鞘層理論模型,系統地研究了碰撞效應對等離子體鞘層的物理特性、離子入射到基板上的能量分佈和角度分佈以及刻蝕剖面的影響。We obtained the uniform data distribution from discrete data points by inserting spatial dots and then set up digital elevation model ( dem ) of correlative area through constructing mutual linked triangle net. the isoline graph was implemented based on this model. during the processes, we combined the technology of stratification computing when inserting special dots in fault area with the technology of stratification triangle net in fault area for dealing with thrust data
然後介紹了在本研究中構造逆斷層地質等值線的基本思路:從離散數據點結構出發,採用空間數據內插方法進行數據的均勻化,通過三角剖分構造出相互連接的三角形網路結構來建立起相關區域內的數字高程模型,利用該模型構造出相應的地質等值線圖,其中使用擴展點與斷層區的關系屬性進行斷層區分層空間插值計算處理和斷層區域的分層三角形網格化處理相結合的技術,實現逆斷層數據的處理和等值線繪制。2 the paper put forward the separation of controlling power of corporation, that is to say the separation of strategic controlling power owned by the shareholder and managerial controlling power owned by the senior executives of corporation
2 、提出了一個關于控制權分離的解釋。本文從控制權的角度提出兩權分離,即股東所掌握的戰略控制權和由經營層掌握的經營控制權的分離。This is a hexagonal structure in which the two kinds of atom lie in separate layers.
這是一種六角形的結構,兩類原子處在分離的層內。The key to enhance the image quality is to separate the reflection that has high signal to noise ratio and the scope of stack can defined optimally by common - angle gathers
提高成像質量的關鍵是分離出信噪比高的反射波並與根據共角度道集選擇最佳的疊加范圍層。Second, monte - carlo method is used to simulate the transports of ions penetrating through the rf sheath in terms of the above sheath dynamic model. here, both elastic collisions and charge - exchange collisions between ions and neutral particles are considered. the effects of collisions on the distributions of ions energy and angle incident on the substrate were calculated
其次,利用已建立的碰撞等離子體鞘層模型和monte - carlo方法模擬了離子在射頻鞘層電場中的運動過程,不僅考慮了離子同中性粒子的電荷交換碰撞,還考慮了它們之間的彈性碰撞過程,研究了碰撞效應對入射到基板上的離子能量分佈和角度分佈的影響。On the base of determination of corresponding points between adjacent sections, dissimilar segments are separated to construct spatial dissimilar polygons. then triangular mesh interpolating the cross sections are obtained by tiling the dissimilar polygons and similar segments
在確定相鄰層輪廓對應點的基礎上,將不相似部分分離出來並跟蹤不相似部分構成不相似多邊形,然後分別對相似部分和不相似部分進行三角化,得到三角網格模型。The micro shear stress sensor which based on the smart skin for boundary - layer separation point detection of delta wing has been explored in this paper
本文就以用於實現三角翼邊界層分離點檢測的面向靈巧蒙皮的微型剪應力傳感器為對象展開研究。According to the theory of boundary layer and the important of boundary - layer separation point detection of delta wing, the measuring principle and structure scheme of various system alternatives based on mems technology have been discussed, selecting the prototype of better workability. base on the master piece model of micro shear stress sensor
首先,結合空氣動力學的邊界層原理,針對三角翼邊界層分離點檢測在實現主動氣動控制方面的重要性,討論了光學式、電容式和熱敏式微型剪應力傳感器的測量原理和結構方案,選取適合加工條件的微型剪應力傳感器樣件。3. the characteristics of boundary layer ' s transition, shape and separation are researched. the details as follows : ( l ) airfoil surface is turbulent boundary layer flows ; ( 2 ) velocity figure changed unsteady near the point of boundary layer separation due to randomicity of turbulent flow ; ( 3 ) the airfoil have better state of boundary layer separation and poor stall characteristics because of the upper surface of airfoil is flat
給出了該翼型的附面層特性:翼型表面基本為湍流附面層;在靠近附面層分離位置處,速度型形狀、特別是靠近翼型表面的底部速度型形狀變化不定,是湍流流動的隨機性所致;該翼型具有較好的附面層分離形態,但在失速迎角附近,附面層分離形態變化劇烈、失速特性差,是翼型上翼面形狀較為平坦所致。In this paper, the boundary layer characteristics of a supercritical airfoil is researched in wind tunnel. from the start to control boundary layer separation and to improve aerodynamics characteristics of this airfoil, three kinds of trapezoid, delta and airfoil shaped vortex generators are designed based on traditional, sub boundary layer and micro - vortex generators conceptual design. it include as follows : 1
研究工作中,從控制該翼型附面層分離、提高大迎角氣動性能的角度出發,通過風洞實驗研究,研究了該翼型的附面層特性和氣動性能,針對其附面層特性,給出了梯形、三角形和翼型式三種渦流發生器設計方案,為下一步研究工作奠定了堅實基礎。In the growth pattern research part, the paper argues that the industrial district is the engine of the regional economic growth, and analyzes the urban new functional zones from the science and education district, the business district and the leisure industry district angles, draws the conclusion that the formation of new function district cannot generate without the essential enterprises, universities, scientific research institutions or organizations of consultation generally, they are the growth factors of urban new functional zones
在成長模式研究部分,論文認為產業集聚區是區域經濟增長的引擎,對城市新功能區從科技教育區、行政商務區和休閑產業區角度分層次進行了分析,認為新功能區的形成一般都離不開核心企業、大學城、科研機構或咨詢機構,它們是城市新功能區的成長因子。In this project, the actual three - tier architecture was realized and the business logic was packed into ejb components, which acted as an agent between presentation tier and resource tier ; the separation between business logic and system service was realized, which enabled developers to devote their mind to the realization of business logic and improved the software quality and efficiency ; the stretchable enterprise application was realized through tier - dispatched pattern, which has relax coupling relationship between tiers and each tier has its own role and the methods inside the tier will be changed without affection to the call - up relationship between tiers
主要成果是: ( 1 )實現了真正意義上的三層體系結構,將業務邏輯封裝在ejb組件中, ejb組件作為表現層的代理對數據層進行數據操作; ( 2 )使用ejb技術,實現了業務邏輯和系統服務之間的分離,使得開發人員可以專注于業務邏輯的開發,從而提高軟體的質量和開發效率; ( 3 )通過分層模式,實現了可伸縮的企業應用程序。層與層之間鬆散耦合,每個層針對特定的角色,每一層內部實現方法的變化不影響層與層之間的調用關系,可以更好地適應客戶需求的變化。Finally, the two dimensional flow in the diffuser is calculated, the results show that the change of ma makes an effect to the performance of the diffuser. owing to the accretion of ma, the action of oblique shock waves and the boundary layer pricks up, the flow separates from the wall where the shock waves impinge on the boundary layer more quickly, the cluster of diamond shock waves becomes larger. moreover, by comparing the change of flow field under different structure parameter, it is found that the augment of length of constant area section alter the structure of fluid field little, a smaller area ratio and larger angle of compression section make the diffuser working better
最後,針對擴壓器中的二維流場進行了數值模擬,結果表明馬赫數對擴壓器性能影響較大,隨著馬赫數的增大,擴壓器管道內激波-附面層干擾加劇,流動從附面層分離相應加劇,激波串數目增多;通過比較不同結構參數下的擴壓器內流場,發現等直段長度的變化幾乎沒有改變流場結構,只是對局部流場稍有影響,並且在其它參數不變的情況下,一定范圍內減小面積比a2 / a1和增大收縮角有利於擴壓器性能的提高。Aim at special application, this article brings out some data models based on nonstructured engineering data model and use the theory in engineering data model research area for reference, combines the data modeling technology with the object oriented technology, uses the object oriented technology to abstract objects for the application system and abstract the application frame, converts the polymorphism character of the object oriented frame to the complex data storage character, realizes the permanent management of object method hi the object oriented system, and then from the position of data independence, separates the method independent management from the object frame and achieves the polymorphism and extensibility of the object oriented system, fulfills the enterprise application who need customize the software function
本文在非結構化工程數據模型的基礎上,吸取非結構化工程數據模型的研究成果,提出針對專門應用的復雜數據模型,並將數據庫建模技術與面向對象技術相結合,按照面向對象的方法對工程應用進行分析建模,抽取出系統的對象框架結構,將面向對象系統的實現方法作為復雜數據模型處理,實現對象方法的持久化管理,從而在數據獨立性的角度將對象方法從對象框架分離出來單獨管理,在更高的層次上實現了面向對象系統的多態性和可擴展性,滿足了企業復雜應用中對軟體系統進行柔性定製的要求。課題研究的問題為面向對象系統中對象方法的持久化存儲與管理。At the same time j2ee platform technologies are discussed deeply, such as j2ee platform technologies, communication technologies, ejb component technologies and so on. the design model based on the mvc frame is applied in the system development, so that the separation between the present logic and the business logic in the application is realized. finally, according to the problems found in the development process, the paper explains particularly the kay technologies in the realization : the uniform naming service is realized by realizing the service locator partten using the value object pattern, all the status data is encapsulated into a serializable object, then transferred among the client, sessionbean and entitybean in order to decrease the potential network traffic caused by reference of entitybean ; in order to improve the performance of data storing and taking, we introduce the facade model to escapsulate the ejbs which delegate the data model
本論文結合了杭州市財政局的會計人員從業資格管理系統的升級項目,研究了基於j2ee的ejb組件模型的多層分散式體系結構的設計與實現:深入探討了三種分散式處理技術( rmi , corba , com )的區別,將j2ee平臺的ejb技術與windowsdna體系的com +技術從多個角度進行了比較;詳細闡述了在系統開發過程中j2ee平臺的幾項核心技術(如: j2ee平臺的服務技術、通信技術、 ejb組件技術等)的應用;引入了源於mvc三部件框架的設計模式,實現了應用中表現邏輯與業務邏輯的分離;最後,結合在開發過程中遇到的問題,詳細解釋了開發過程中實現的關鍵點:用servicelocator模式實現了統一的命名服務管理;運用valueobject模式將所有狀態數據包裝成一個可序列化對象vo ,然後在客戶機、 sessionbean與entitybean之間傳遞,減少了使用實體bean造成的潛在網路通信量;以及引入sessionfacade模式,用sessionbean封裝了entitybean ,改善了數據存取的性能。Abstract : a numerical investigation of three - dimensional separated flows about a hemisphere - cylinder is presented. the analysis has been restricted to transonic and laminar flows. results are given for the complex flow field structures including shock, boundary layer, separated flow, vertical flow and their mutual effects. the topological structures of the separated flow is shown
文摘:本文數值模擬了半球柱在跨音速、中等攻角時的粘性層流繞流,研究了流場中的復雜三維分離形態結構,其中包含流向與橫向的主分離、二次分離、以及激波邊界層的相互干擾,解釋了在球柱接合部精確捕獲的壓力波動與流動主分離、二次分離的影響關系,這個現象是前人的計算5 , 6未捕捉到的。Based on the theory of boundary layer and analysis of the velocity field of main flow, the thesis also derives the vane shape equation. in the equation, ( angle of pump vane ) is variable parameter, ( velocity coefficient ) is introduced as medium factor, which connects the theory of boundary layer with the eular theory. it provides a valuable reference for the designation of vane of pump
基於離心泵葉片邊界層理論和對主流區速度場的分析,給出了離心泵葉片型線參數方程,它以葉片角為變參數,引入速度系數作為中間因子,將邊界層理論和歐拉理論聯系起來,並在離心泵葉輪的設計過程中統一起來,能夠在設計中就根據實際的需要防止或控制過流表面的邊界層的分離。分享友人