過渡流模型 的英文怎麼說

中文拼音 [guòdùliúmóxíng]
過渡流模型 英文
transition flow model
  • 過 : 過Ⅰ動詞[口語] （超越） go beyond the limit; undue; excessiveⅡ名詞（姓氏） a surname
  • 渡 : Ⅰ動詞1 （由此岸到彼岸;通過） cross （a river the sea etc ） 2 （渡過） tide over; pull through 3 ...
  • 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...
  • 模 : 模名詞1. （模子） mould; pattern; matrix 2. （姓氏） a surname
  • 過渡 : transition; transit
  • 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. The stability of the tiltrotor in the heli copter mode is analyzed aiming t a semi span soft - inplane tiltrotor model with an elastic wing

    集成了非定常動態人流方程與傾轉過渡狀態的多體動力學力程，建立了傾轉旋翼機時域非定常氣彈耦合分析模型。
  2. Building up the math - model of transient for the all hinge of riverbed power station with the kaplan turbine, building a simulation software for this kind of system and calculate the transient which take into account the effect of the ground swell on the riverbed. this program also can calculate the different kind of the kaplan turbine

    針對轉槳機組河床逕流式電站的樞紐系統，建立了全樞紐過渡過程的計算模型，並且編制了相應的計算程序，進行了計及河床涌浪的全樞紐系統的過渡過程模擬計算，該程序能對同一樞紐中含有不同型號機組的電站同時進行過渡過程計算。
  3. Knudsen diffusion model and the mixed flow model were solved numerically for the ethanol - water system. good agreement between experimental and theoretical values was found. but the mixed flow model is better

    乙醇水溶液的vmd試驗表明，兩種組分同時通過膜微孔時， knudsen擴散模型和過渡流模型都基本能反映實際過程，但過渡流模型更接近實際情況。
  4. To provide necessary data for design bypass pipe, an enlargement to bi liu river reservoir, the following problems have been studied by hydraulic model and theoretical analysis : the energy losses in water head of the bypass pipe system and of the flow - control valve and their scale effects, measurement and calculation of the discharge of the bypass pipe system during the bypass pipe system operation with and without the new water power station, the hydraulic characteristics of the water tunnel and draw - off pipe, the flow rate of the aqueduct bridge and the draw - off pipe and the water elevation of the flow in the aqueduct bridge during the old water power station operation with and without the new water power station

    大連市碧流河水庫供水工程取水頭部由引水渡槽、節制閘、進水閘、泄水閘等建築物組成。由於本工程場地條件限制，增設旁通管后布置非常緊湊，管道急轉角度大且轉彎距離較小，對于管內水流流態是否滿足要求，需要經過模型試驗進行論證，以確保工程的可靠性。旁通管具有上水與泄水要求，對其過流能力也要經試驗確定，為碧流河水庫增建旁通管設計提供依據。
  5. A method of fuzzy optimization design based on genetic algorithm is presented as a new method of parameter optimization design for dc double closed loop speed adjusting system. the method covers three steps. firstly, speed overshoot rate and settling time are chosen as performance indice according to the demand of engineering. these indice are normalized by using fuzzy membership function and then weighted to form objective function of optimization model of the system. secondly, the dynamic response curve of the system with corresponding parameters and peoformance indice are obtained by computerized numerical calculation and simulation. finally, parameters of engineering design are expanded as searching space ; and parameters of speed regulator and current regulator are taken as genes in chromosome. these genes in searching space are optimized to get best solution by way of genetic algorithm. as shown by experimental results, the parameters designed by this method are capable of significantly improving performance indice of the system, which proves that it is a practical and effective method

    提出一種基於遺傳演算法的直流雙閉環調速系統參數優化設計方法.根據工程技術的要求，選用速度超調量和過渡時間作為參數優化性能指標.將該指標用模糊隸屬度函數歸一化，再加權平均形成系統優化模型的目標函數.採用計算機數值計算方法，通過模擬獲得系統對應參數的動態響應曲線及其性能指標.最後以工程設計的參數為搜索范圍，以速度調節器和電流調節器的參數為染色體中的基因，通過遺傳演算法在搜索范圍中優化這些基因，獲得優化解.實驗結果表明，所設計的參數能使系統性能指標有顯著提高
  6. Experimental study on rainfall harvesting and microcatchment model for ecosystem rehabilitation in the transitional zone between arid and semiarid regions

    乾旱半乾旱過渡帶雨水集流試驗與微型生態集雨模式
  7. The calculation model of hydro - mechanical transient in existence was deeply studied and the conclusion is that, for kaplan turbine and pelton turbine, neglecting differences of dynamic mater pressure along the turbine spiral case during transient may cause some error in the calculation of pressure rise and speed rise

    本文深入研究分析了軸流式和沖擊式機組過渡過程計算的現有模型，指出現有模型中對蝸殼（進水管）部分的處理方法會給這兩種機組的過渡過程計算帶來相對較大的偏差。
  8. Finally, the fluid inclusion characteristics of yinshan deposit is compared with the typical fluid - inclusion characteristics in ore formation model of porphyry copper deposit. the ore - forming fluid of yinshan deposit share certain similarities in the evolution of ore - forming fluids with porphyry copper deposits, which indicates a genetic link between the yinshan polymetallic ore deposit and porphyry copper deposit in the depth of the deposit. it is concluded that yinshan deposit is refereed to " transitional deposit " between the porphyry copper deposits and epithermal deposits

    最後，將銀山礦床流體包裹體特徵與sillitoe提出的斑巖銅礦成礦模式進行對比得出，銀山礦床的成礦流體與斑巖銅礦的成礦流體具有特徵的相似性和成礦演化的繼承性，認為它是一個聯結深部斑巖銅礦和淺部淺成熱液礦床的「過渡型礦床」 ，礦床深部可能隱伏有斑巖銅礦床。
  9. The second is the comparison between the two administrative patterns. the paper states the commonness from the three respects of administrative leader power expansion, value orientation and administrative levels, the difference from the theoretical foundation, relations between government and party, executive foundation and outcome of social development. lastly, the paper makes a conclusion betweens pattern is intergradations on the basis of the commonness and difference

    本文從行政首長權力拓展、價值取向、行政層次結構等三個角度探討了其共同性；差異性則從理論基礎、黨政關系、行政系統內外交流程度、行政依據、社會發展結果等五個方面加以研究，最後，在深入分析共同性和差異性的基礎上，得出「兩合」型行政管理模式是過渡形態的結論。
  10. 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。
  11. According to the mathematical model and the numerical method, the cavity shape and hydrodynamic characteristics of two kinds of head shape on cavitating axisymmetric bodies at zero attack are computed in this paper. because the discretization method have effect on the convergence of the results, different kinds of discretization are employed in the partially - cavitating and super - cavitating flows

    依據建立的數學模型與數值方法，對兩種典型的回轉體頭部線型（即頭部為光滑過渡曲線的回轉體和頭部有突變角度的回轉體）的局部空泡和超空泡繞流場進行了數值計算。
  12. Abstract : based on the turbulent flow kinetics theory the paper describes astudy on two - region flocculation model, the turbulent region is the dominant effect of fiocculation speed, the transition region is the dominant effect of scale and compactness of floculating body, and the order magnitude of available energy disipation and controlling index is put forward

    文摘:應用紊流動力學原理，分析紊流條件下兩區絮凝模型，提出紊流區主導絮凝速率，過渡區主導絮凝體的成長尺度及密實度，導出了有效能耗的量級及絮凝控制指標。
  13. 2. we present a novel de - rail parallel resonant zero voltage transition three - phase pwm voltage - source inverter which is based on resonant zero voltage ( zero current ) transition technique ; at the same time it ' s efficiency analysis and simulation result are presented. 3

    把諧振過渡軟開關技術應用於直流環節逆變器得到了一種新的諧振過渡軟開關逆變器；論文對該新型諧振過渡軟開關逆變器進行了工作原理、效率分析並對主電路進行了模擬。
  14. Transition flow model

    過渡流模型
  15. Experimental studies of model show that when the base slope of spillways changes within the range of 40 degrees to 60 degrees, the water - wing nearly exists in the whole nappe flow, even continues to the transition flow

    模型試驗表明：當斜坡角度為40 ~ 60時，水翅幾乎存在於整個跌落水流范圍內，甚至持續到過渡水流。
  16. A mathematical model is developed for simulating transient performance of the turbofan engine, in which the transient heat transfer between the components and airflow, tip clearance and components efficiency changes caused by heat transfer are analyzed

    摘要以某渦扇發動機的過渡態性能模擬為研究對象，建立了過渡過程中零部件與氣流之間的不穩定熱交換、由於熱交換引起的間隙變化以及引起的部件效率變化的數學模型，並且將此模型引入面向對象的航空渦扇發動機過渡過程性能模擬程序的框架中。
  17. This method has different consideration with conventional ways, it can reduce the disposal time for almost 100 times, and resolve the efficiency problem successfully. with the help of research in this paper, the capability of using overlap grid has been improved greatly and many old work based on structural - grid, such as difference scheme, turbulence model, can be used in moving - grid field of overlap grid technology and expand our research field for cfd remarkably

    通過本文的研究，使我們應用重疊網格處理復雜外形的能力得到顯著提升並使我們基於結構網格做的許多研究工作，如各種差分格式以及各種湍流模型的比較研究、大攻角問題等專項研究平滑地過渡到基於重疊網格的動網格應用領域來，較大地拓展了我們的研究應用領域。
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