邊界層現象 的英文怎麼說

中文拼音 [biānjiècéngxiànxiàng]
邊界層現象 英文
boundary layer phenomena
  • 邊 : 邊Ⅰ名詞1 （幾何圖形上夾成角的直線或圍成多邊形的線段） side; section 2 （邊緣） edge; margin; oute...
  • 界 : 名詞1 （相交的地方; 劃分的界限） boundary 2 （一定的范圍） scope; extent 3 （按職業、工作或性別等...
  • 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...
  • 現 : Ⅰ名詞1 （現在; 此刻） present; now; current; existing 2 （現款） cash; ready money Ⅱ副詞（臨時; ...
  • 邊界 : boundary; frontier; border; borderline; edge range line; periphery
  • 現象 : appearance （of things）; phenomenon
  1. To settle the phonomenon of seasons, we design the boudary full of sunlight at the side of groud - floor space ; to make the peoples in the uptown have the feeling of safety and ascription, we optimize the quality of the enrance space ; we design the solid sight carport to improve the quality of physical environment, such as lighting airiness and sight

    邊界效應的存在使住宅架空層在邊緣地帶具有更多的活力，我們通過構造措施在這里形成邊界陽光區，從而改善架空層在使用中的季節性現象；為了提高社區的人文品質，我們優化住宅的入戶空間，使居民具有更強的歸屬感和安全感；通過立體景觀車庫的設計，改善車庫內的採光、通風以及景觀條件，從而改善地下車庫的物理環境質量。
  2. Separation and increased sedimentation are common phenomena in the projects of water conservancy, sea - route and power station

    考慮到迴流是水流分離現象造成的，而分離現象與邊界層的存在有關，所以可以從控制邊界層的思路出發來解決這個問題。
  3. The boundary value problems of singular perturbation with boundary layer at turning points are discussed. the asmptotic expansion are constructed. and the uniformly valid asmptolic estimation is obtained

    主要討論了在轉點處出現邊界層現象的奇異攝動邊值問題，構造了形式級數解，得到了一致有效的漸近估計
  4. On the base of analysis of hydrologic geology from aquifer distribution, boundary conditions and dynamic characters etc. in the research area, the paper sums up the hydrologic geologic condition, builds up the conceptual model of groundwater resource evaluation and presents 2d calculation model, as well as numeric solution and computing flow chart. after introducing general solutions of mathematic models and implementation method of rectangular grid, the paper realizes the automatic technique of spatial dispersion rectangular grid of evaluation models based on gis. finally, the paper fulfills the integration of gis with groundwater resource evaluation models from gis - based basic management information, spatio - temporal dispersion of models, definition of subprogram and visual evaluation of parameters, as well as models simulation etc., and visualizes the results of evaluation models

    論文以地下水超采?地下水降落漏斗?地面沉降現象較為嚴重的常州、武進地區作為研究評價區域，在對評價區域的含水層分佈、邊界條件和動態特徵等水文地質條件分析的基礎上，概化了其水文地質條件，構建了相應的地下水資源評價概念模型與數學模型，並給出其數值解法和相應的計算流程；論文在介紹數學模型的兩種常用數值解法和模型空間離散的矩形網格生成技術的基礎上，實現了基於gis的評價模型空間離散矩形網格的自動生成；最後，論文從基於gis的評價模型基本信息管理、模型空間時間離散方法、子程序包與模型計算參數可視化賦值、模型的擬合等方面實現了gis與評價區域的地下水資源評價模型的集成，並將模型評價結果可視化。
  5. 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。
  6. Boundary layer phenomena of third - order nonlinear equation is studied in this paper

    摘要研究某類三階非線性方程的邊界層現象。
  7. Using the air humidity ratio and temperature as the driving potential used in this model are to avoid the discontinuous at the boundary with the ambient air as well as the boundaries with other materials

    該模型以空氣濕度w和溫度t為驅動勢，避免了多層材料交界處或材料與空氣邊界的不連續現象。
  8. 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。
  9. All of the results indicated the turbulent boundary layer had been turned into the laminar layer. the skin friction coefficient drops rapidly. this result not only proved the phenomenon of reverse transition had occurred, but also showed that this condition was drag - reducing condition

    實驗結果表明板面附近的流動已由湍流流動轉變為層流流動，同時平板表面的摩擦系數較沒有溫度梯度時有大幅度下降，不僅證明了邊界層逆轉捩現象的存在，也說明了這種條件起到了減阻的效果。
  10. All of these results described the process of the phenomenon and delineated the mechanism of it. the experiment was performed in two conditions : heated plane and unheated plane

    這些參數體現了邊界層逆轉捩過程中流動特性的變化規律，揭示了密度分層結構中逆轉捩現象發生的機制。
  11. 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。
  12. The influence of the boundary on the seepage flooding in low permeability porous media ca n ' t be ignored when the thickness of boundary layer reaches a critical value. the larger the thickness of boundary layer is, the more obvious the nonlinear flow is. 4. factors affecting boundary layer are studied systemically, the mathematical expression of porous flow based on the experiment is derived

    吸附邊界層的厚度大到一定程度將對低滲透介質中滲流規律產生影響，邊界層厚度越大，非達西現象越明顯； 4 、系統研究了影響邊界層的因素，並在實驗的基礎上，推導了考慮邊界層影響下的滲流力學表達式。
  13. The development and principle of satellite - borne synthetic aperture radar ( sar ) are presented. the phenomena of mabl that can be detected by sar are also preliminarily summarized

    同時介紹了衛星合成孔徑雷達（ sar ）的發展，工作原理，對海洋大氣邊界層的成像機制，並初步總結了sar觀測到的各種海洋大氣邊界層現象。
  14. This means that the dielectric property changes with height and allows a slight increase in the speed of a radio wave as we move upwards through the atmosphere. this in turn means that if a radio wave moves away from the earth at an angle less than 90 degrees, then the upper part of the wave travels faster than the lower part. therefore even under normal conditions this can in effect bend, or refract, the wave back down to earth

    其中一種顯著的現象是：在一定的氣象條件下，在大氣邊界層尤其是在近地層中傳播的電磁波，受大氣折射的影響，其傳播軌跡彎向地面，當曲率超過地球表面曲率時，電磁波會部分地被陷獲在一定厚度的大氣薄層內，就好像電磁波在金屬波導管中傳播一樣，稱為大氣波導傳播，形成波導傳播的大氣薄層稱為大氣波導層。
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