k-flow 中文意思是什麼

k-flow 解釋
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  • k : (pl Ks K s; ks k s )1 英語字母表第十一字母。2 K字形物體[記號]。3 一個序列中的第十一〈若 J 略去...
  • flow : vi 1 流,流動。2 (血液等)流通,循環。3 流過;川流不息;(時間)飛逝;(言語等)流暢。4 (衣服、...
  1. Based on the data, infiltration parameters k, ai and bi were obtained according to the flow advance and recession course of the stream in the furrow, on the base of which, the model of surge furrow irrigation was set up

    基於田間實測的田間入滲及灌水試驗資料,利用灌水溝水流推進、消退過程,求得波涌灌入滲參數k , a , a _ i和b _ i ,並由此得出波涌灌的入滲模型。
  2. As for the k production in high energy hics, we firstly study k + production. the results show that the kaon flow is sensitive to both the kaon - nucleon sigma term ( s and the equation of state of nuclear matter. the collective flows of both nucleons and k + mesons need a " soft " eos with compressibility k ? 00 - 300 mev, and 2 = 200 - 400 mev seems suitable to explain the measured k + flow

    研究表明k ~ +集體流在相對論重離子碰撞中對核態方程和k - n標量吸引項( _ ( kn ) )都是敏感的,計算結果表明核子和k ~ +介子的橫向集體流都需要壓縮系數在k 200 - 300mev范圍內較軟的核態方程,而大約為200 - 400mev的_ ( kn )值對解釋k ~ +流產生是合適的。
  3. By comparing the results with relative experiment data, it is shown that rng k - is more exactly than the other turbulent model. 2 ) the influences of axial inflow position, radial outflow size, rotating reynold number, non - dimensional mass flowrate and axial inflow angle on the flow and heat transfer characteristics were numerically investigated for a typical rotator - stator cavity with axial inflow, radial inflow and radial outflow. the correlations for average nusselt number vs rotating reynold number or non - dimensional mass flowrate were established

    ( 2 )針對一典型的徑向、軸向進氣,徑向出氣的轉-靜盤腔結構,系統研究軸向進氣位置、徑向出口大小、旋轉雷諾數、無量綱質量流量和軸向垂直預旋進氣等對盤腔內流動和換熱的影響,整理出轉-靜盤腔內轉盤平均努謝爾數與旋轉雷諾數無量綱質量流量之間的準則關聯式。
  4. Firstly, the tio2 thin films are deposited by dc reactive magnetron sputtering apparatus, and characterlized by n & k analyzer1200, x - ray diffraction spectroscopy ( xrd ), scanning electronic microscopy ( sem ), alpha - step500. and it was analyzed that the effect on performance and structure of films with the change of argon flow, total gas pressure, the substrate - to - target distance and temperature

    第一、應用穩定的直流磁控濺射設備制備tio2減反射薄膜並通過n & kanalyzer1200薄膜光學分析儀、 x射線衍射分析( xrd ) 、掃描電子顯微鏡( sem ) 、 alpha - step500型臺階儀等儀器對薄膜進行表徵,分析氧分壓、總氣壓、工作溫度、靶基距等制備工藝參數對薄膜性能結構的影響。
  5. Finite volume method is appilied in numerical modeling of the flow in no - pressure tunnel of high water reservoir in this paper. i select standard k - turbulence modeling that put forward by launder and spalding in 1972 by weighted poly - turbulence modeling. the difficulty is that there is free surface in flow, but free surface problem ' s calculating region is indefinitely

    本文利用有限體積法對高水頭下水庫無壓泄水洞水流進行了紊流數值模擬,根據多種紊流模型的優缺點進行比較,選擇了launder和spalding於1972年提出的標準的k ?紊流模型。
  6. K - l les of shallow - water turbulent flow in open channels with a vegetated domain

    帶有植物的河道水流淺水紊流運動大渦模擬
  7. 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。
  8. On the basis of cold gas simulation, a numerical simulation of two - phase turbulent flow was performed employing an eulerian - eulerian approach and k - - a. p. turbulent model. the accuracy of numerical simulation was verified and evaluated by the experimental result

    在冷流模擬的基礎上,對燃燒室尾部的兩相湍流流場進行了數值模擬,數值模擬採用雙流體模型和k - - a . p .湍流模型。
  9. We further find that anti - flow appears at certain large impact parameter, which seems to be more sensitive to 2 and might provide more definite information of the magnitude of 2. the absorption effect of k - mesons is also studied, we find although there exists strong k - absorption, k - spectrum can still contain the messages of at " in nuclear medium

    接著我們又研究了k ~ -介子的吸收問題,發現雖然有強烈的k ~ -吸收存在,其能譜在不太重的核系統的非中心碰撞中仍顯示出對為的依賴,有可能提供k在核介質中性質的知識。
  10. 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 - (封閉模型為基礎的三維擬單相流模型,該模型的特點在於充分考慮了氣液兩相間相互作用的影響,即計入了相間曳力、橫向升力、虛擬質量力和氣、液相含率對流場的影響;並建立了塔板三維雙流體模型,主要目的是通過對比擬單相流數學模型、雙流體數學模型的計算結果,建立能夠準確描述塔板上流體流動的數學模型。
  11. In this thesis, adopting compressible navier - stokes equations and compressible k - - e turbulence double model, studied 2d viscous flow field in wet turbine ' s separate - stage. coordinate transformation is made for the navier - stokes equations by using body fitted coordinate system, moreover, the flow field in 2d cascade is calculated by using the well - established simple method

    本文採用可壓縮氣體的n - s方程,並採用可壓縮的-湍流雙方程模型,研究了飽和汽輪機分離級內二維粘性葉柵流場,採用貼體坐標系對n - s方程進行了坐標變化,並利用成熟的simple演算法對二維葉柵內的流場進行了計算。
  12. Another measure of holdup is the k factor used by bankoff in connection with the bubble flow pattern in gas-liquid flow.

    滯留現象的另一個度量是Bankoff在氣-液流動的泡狀流型中所採用的因數K。
  13. 3. based on the wall equation and k - ? model, the variable c ? and the variable lm were used to improve the numerical simulation of pipe flow with the tripping annulus at the inlet

    在壁函數和-模型的基礎上,採用了變模型常數c _ ( l )和變混合長度l _ m的方法對入口處帶有擋環的圓管湍流模擬計算進行了修正。
  14. 3, based on the standard k - s model, the laterally - averaged 2 - d buoyant flow model to predict the water temperature of the huge and deep reservoir is developed

    四川大學工學博士學位論文3 .在標準車『紊流模型的基礎上,建立了預測大型深水庫水溫分層的立面二維浮力流模型。
  15. The main contents and conclusions of the study are as followed : 1, according to the experiment data of the gravity flow in reservoir, the accuracy and economy of rsm ( reynolds stress model ), k - s model and spalart - allmaras model are compared

    主要研究內容及成果如下: 1以水庫重力下潛流的實驗資料作為依據,對rsm模型、 -模型和spalart - allmaras模型的精度和經濟性進行比較研究。
  16. The potential problems related to the applications of k - model under the new coordinates are analyzed and the distribution formula of vertical turbulence viscidity coefficients is deduced on the base of logarithmic velocity of flow according to the characteristics of the model

    分析了在新坐標系下應用k -模型可能存在的問題,並從模型的特點出發,以對數流速分佈為基礎,導出了垂向紊動粘性系數的分佈公式。
  17. Numerical simulation of flow around blunt bodies using rng k - turbulence model

    湍流模型鈍體繞流的數值模擬
  18. Numerical simulation of turbulent flow around bluff bodies using the rng k - turbulent model

    方法的湍流模型數值模擬鈍體繞流的湍流流動
  19. Three valve units that volume is small, weight is light, structure is simple, strong and durable, parts exchangeability is good. fpr temperature, static pressure variation and impulse the whole device have reliable stability, apply for 1151, 3051, fc, k, cfc, sbcc every series differential pressure transmitter : flow transmitter products coordinate usage, can be installed on the product and with product form integratization, has simplified product installation structure

    三閥組體積小重量輕結構簡單堅固耐用,零部件互換性好,整體裝置對溫度和靜壓變化及沖擊有可靠的穩定性,適用於1151 3051 fc k cfc sbcc等各系列差壓變送器,流量變送器產品配套使用,可直接安裝在產品上,與產品成一體化,簡化了產品的安裝結構。
  20. Three valve manifold that volume is small, weight is light, structure is simple, strong and durable, parts exchangeability is good. for temperature, static pressure variation and impulse the whole device have reliable stability, apply for 1151, 3051, fc, k, cfc, sbcc every series differential pressure transmitter : flow transmitter products coordinate usage, can be installed on the product and with product form integratization, has simplified product installation structure

    體積小重量輕結構簡單堅固耐用,零部件互換性好,整體裝置對溫度和靜壓變化及沖擊有可靠的穩定性,適用於1151 3051 fc k cfc sbcc等各系列差壓變送器,流量變送器產品配套使用,可直接安裝在產品上,與產品成一體化,簡化了產品的安裝結構。
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