擬平面流 的英文怎麼說

中文拼音 [píngmiànliú]
擬平面流 英文
quasi-plane flow
  • : 動詞1. (設計; 起草) draw up; draft 2. (打算; 想要) intend; plan 3. (模仿) imitate
  • : Ⅰ形容詞1 (沒有高低凹凸 不頃斜) flat; level; even; smooth 2 (高度相同; 不相上下) on the same l...
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  • : 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...
  1. With the rapid development of economy in china, vehicle volume is increasing heavily. therefore, the consequent traffic problems of traffic congestion, traffic accidents and environment pollution become a headache of city managers. intersection as the hinge of city traffic system, vehicles, pedestrians and bicycles join together in the intersection

    本文依託國家自然科學基金重點項目《城市路網動態交通管理與控制關鍵理論及其模技術研究》和國家自然科學基金項目《混合交通中的機非沖突機理與基本參數研究》 ,對交叉口轉彎車交通組織優化方法進行了研究。
  2. The variations of sea ice in the arctic ocean are simulated by using a improved high resolution hibler dynamic - thermodynamic sea ice model during 1979 - 1998. the model is driven by surface atmospheric and oceanic forcing consists of geostrophic winds, surface air temperature, specific humidity, and longwave and shortwave radiative fluxes provided by international arctic buoy program ( iabp ). the simulated results show that arctic sea ice have noticeable seasonal and annual variability

    利用一個hibler海冰熱動力模式,在改進了其熱力部分和改變模范圍以及提高解析度的基礎上,以北極國際浮標計劃( iabp )提供的1979 - 1998年間逐日變化的日均海氣溫場,濕度場,長短波輻射場,風場,洋場,海洋熱量場為強迫場,模了上述20年間北極海冰的時空演變。
  3. The studies of plane heterogeneity are as follows : the text counts the parameters of the sandlayers " geometric shape of different sedimentous microfacies ; speculates the conditions of lateral communication by sandstone density according to the method brought forward by j. r. l. allen ; gets a group of parameters including the reservoir thickness, porosity and coefficient of permeability by using kriging method according to the data of logging results ; makes certain the direction of coefficient of permeability with variation function by modeling globosity function ; divides the sandlayers into five types by using the method of flowing cell based on three parameters, that is x h, kxh and h / h, and accounts the favorable region. on the base of above - mentioned studies, the text evaluates the heterogeneity of sandlayers and gives the resolutions to these problems to serve the development of the field

    Allen )等人提出的統計方法,用垂向上砂體密度的界限來推測砂體側向連通情況;根據每口井的測井解釋資料,利用克里金插值法對外間進行插值,得到了一組反映儲層特徵在上變化的參數,包括儲層厚度分佈、孔隙度以及滲透率,並且成圖;利用變差函數法,通過球狀函數模,確定儲層優勢滲透率方向:根據動單元法,以儲能系數、容積系數以及凈毛厚度比三個參數為依據,通過聚類分析方法進行動單元劃分,並且按照參數特徵將其分為五類,統計各砂層有利動單元區塊。
  4. The transport of reb is also investigated by 2d3v particle simulation in the yz plane

    在搶上對電輸運過程進行了zd3v粒子模
  5. The transport of reb is examined by 2d3v particle simulation in the xy plane. the filamentation and coalescence of currents and related magnetic field pattern, caused by the two - dimensional electromagnetic - beam - plasma ( embp ) instability, are observed

    在xy上對電輸運過程進行了2d3v粒子模,觀察到電絲的形成、聚合和磁場產生。
  6. By using one - dimensional finite different hydrodynamic code coupled with four spall models, spall in ductile metal has been studied

    摘要在一維彈塑性動有限差分計算程序中加入4種延性金屬層裂模型,對板撞擊層裂實驗進行數值模
  7. Abstract : the distribution of cooling air which is in the grille - brick of the inner combustion hot air stove has been simulated with three dimension turbulent mathematical model so as to find a method which is used to improve the distribution of cooling air in hot air stove. the influence of differential horizontal plates on the distribution of cooling air is discussed. the results show that original big circle round field of flow in the pillar - cavity is changed into full one - way field of flow and edges gas flow, at the same time, is increased by horizontal plates. there is a different function with horizontal plates and vertical plates. to make the uniform distribution of cooling air in the hot air stove, it is necessary that horizontal plates and vertical plates are used in a combined way

    文摘:應用紊三維數學模型模內燃式熱風爐內冷風在格子磚柱中的分佈,尋求改善其分佈的途徑.討論了加設不同布置的水板對氣分佈的影響.模結果表明,在支柱空腔內加設水板改變了原有大迴旋場,使迴旋變成大積的單向.通過在支柱空腔內加設水板可以發展邊緣氣,這恰好與加設豎直導板的作用相反,水板和豎直導板的結合使用有望實現冷風在格子磚柱中的均勻分佈
  8. In addition, the vortex structures of the gas flow field and particle dispersion were studied when the coupling action between the two phases was considered in the case of different mass loading of mediate stokes number particles was provided in the gas - particle plane jet

    另外,文中還模研究了氣粒兩相中不同質量攜帶率下中等stokes數顆粒與氣相場的相間耦合作用下氣相場的旋渦序結構以及顆粒運動擴散規律。
  9. This paper mainly analyzes control delay at urban signalized intersections. based on the survey data, this paper talks about vehicles movement characteristics of arrival and depart process, then the queueing headway distribution is obtained, and the suggestion that saturated flow should be measured from the sixth queuing vehicle is offered. using random process theory analysis and computer simulation, the queuing length distribution model is obtained

    本論文針對信號控制交叉口的延誤問題進行了分析,在實測數據分析的基礎上,探討了車輛到達過程和離開過程的運行特性,給出信號交叉口排隊離散車頭時距分佈模型,提出飽和率的測量應從第六個離開的排隊車輛算起;運用隨機過程理論和計算機模的方法得到了信號交叉口排隊長度分佈模型,在此基礎上運用協調變換的方法改進了車輛延誤模型。
  10. Planar 2 - d flow and sediment numerical modeling of branching river

    天然分汊河道二維水泥沙數值模研究
  11. Aiming at the 28km long river regulation and protection works on fuyuan reach where the river evolutions are complicated and the dimensions of control works are difficult to calculate, this dissertation is to study three - dimensional numerical analogue not only under natural conditions but also under ten regulation schemes, using the river sediment quasi - two - dimensional model associated with the river sediment plane two - dimensional model and the river three - dimensional model

    針對江道演變復雜,工程布局及控導工程結構尺寸難以計算的撫遠28公里長江段的防護整治工程,按天然情況和10個不同整治方案利用河泥沙準二維數學模型、河泥沙二維數學模型和河道三維水數學模型結合進行三維整體的數值模
  12. Abstract : variation of flow condition caused by the multi - pur pose regulation schemes has been investigated on the basis of measured date in r iver model. flood - control of the upper river, operation of the power - station, saf ety of the bridge and power - station, navigation and evolution of the river are a nalyzed. a reasonable and feasible project alternative and the improvement measur ement are proposed

    文摘:涪江潼南河段防洪整治是一項以防洪為主體的綜合性河岸整治工程,在二維數值模計算的基礎上再進行河工模型試驗,比較分析各防洪整治方案下潼南河段水條件的變化,及其對上游防洪、河道、大橋、電站、航運、河勢的影響,提出合理可行的工程方案
  13. Numerical models are frequently used to simulate water flow in hydraulic engineering. shallow water equations are basic governing equations with assumption of the velocity distribution uniformly in vertical, so they have some limitations on the simulation of some plane flows, such as wind - induced flow, curve river flow and flow nearby the submerged dikes. for above - mentioned reasons, extended shallow water equations are developed by introduction of momentum coefficient, correction of convection and bed resistance in equations of motion

    在水利工程中經常需要採用數學模型模態,淺水方程是進行態模計算的基本控制方程,但因其忽略了速垂線分佈的不均勻性,在模某些態(如風生動、河灣水、潛壩等工程附近的動)時存在一定的局限性。
  14. ( 7 ) the experiment of the hot - image from phase scatterer in n31 nd - glass is carried out. the experimental results are found to be in good agreement with previous analytical and numerical results

    ( 7 )開展了n31釹玻璃介質中位相型衍射物形成熱像規律的實驗研究,得到了熱像的位置、強度及像的能分佈等結果,結論與理論模結果吻合較好。
  15. Based on the depth - integrated 2 - dimensional mathematical model, the numerical simulation of the effect of a deep - water navigation channel project on the hydrodynamic flows is presented in this paper

    本文基於沿水深積分的二維非定常動數學模型對長江口攔門沙水深水航道工程對長江口水域場的影響作了細致的數值模
  16. But in local region it is mainly controlled by the regulating structures. the planar velocity is of the parabola distribution

    結果表明,整治河段水速分佈主要受制於河道的兒何形態,局部區域航道整治建築物起主要作用。
  17. Investigation of the coherent structure in a particle - laden turbulent planar jet using les

    氣粒兩相湍射序結構的大渦模
  18. Numerical simulation of wet steam flow with spont - aneous condensation in turbine cascade

    葉柵中的濕蒸汽兩相結動數值模
  19. Thus the areas of the overlapping regions are compensated efficiently and the accuracy of measurement is highly improved. the volume of the bubbles can be estimated on the bubbles " area information, and a genetic algorithm ( ga ) based method is used to match and track bubbles in the image sequences, which solve tracking problem under complex conditions efficiently, such as some bubbles may have kinetic occlusion and crossover, some newly generated bubbles may entered into flow field and run away. a smooth kinetic locus is obtained by fitting the discrete centroids with a cubic spline function and at the same time the visual measurement is realized

    根據氣泡在圖像中的積估計氣泡的體積,並對場中的所有氣泡採用遺傳演算法進行最佳的匹配跟蹤,有效地解決了氣泡群在場中出現如遮擋、交又、新它『出現、逃逸等復雜情況下的準確跟蹤,並採用三次樣條插值方法對離散的質心點軌跡進行合,得到氣泡在場中滑的運動軌跡,從而實現了摻氣水特性的可視化測童。
  20. Large eddy simulation of gas - particle two phase turbulence was carried out, such as simulation of two - dimensional gas - particle two phase wake, two - dimensional gas - particle two phase jet and three - dimensional gas - particle two phase rectangular jet. in these works, les was adopted to simulate gas phase flow and lagrangian approach was utilized to simulate the particles " motion. a series of significant and interesting results were obtained

    文中對二維氣粒兩相尾跡場、二維氣粒兩相場以及三維氣粒兩相矩形射場中的氣相場進行了大渦模、對顆粒運動擴散採用lagrangian模研究后,取得了一系列具有重要的理論意義和實際意義的研究成果。
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