非飽和水流 的英文怎麼說

中文拼音 [fēibǎohéshuǐliú]
非飽和水流 英文
unsaturated flow
  • 非 : Ⅰ名詞1 （錯誤） mistake; wrong; errors 2 （指非洲） short for africa 3 （姓氏） a surname Ⅱ動詞1 ...
  • 飽 : Ⅰ形容詞1 （吃足） have eaten one s fill; be full 2 （充實; 飽滿） full; plump Ⅱ副詞（充足; 充分）...
  • 和 : 和動詞（在粉狀物中加液體攪拌或揉弄使有黏性） mix （powder） with water, etc. : 和點兒灰泥 prepare some plaster
  • 水 : 名詞1 （由兩個氫原子和一個氧原子結合而成的液體） water 2 （河流） river 3 （指江、河、湖、海、洋...
  • 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...
  • 飽和 : （在一定溫度壓力下, 溶液可含溶質的量達到最大限度, 不能再溶解, 泛指事物達到最高限度） saturation; saturated
  • 水流 : 1. （江河） rivers; streams; waters2. （流動的水） current; water flow; fluent; flow; [水文] stream current
  1. Buckingham recognized the analogy between potentials in unsaturated-flow systems and in other flow systems.

    白金漢認為在非飽和水流體系和其他水流系之間的勢有相似性。
  2. Regard - ing the surface runoff mechanism, liang and xie 1, 2 presented a new surface runoff parameterization which dynamically represents both the horton and dunne runoff generation mechanisms within within a model grid cell together with a consideration of the subgrid - scale het - erogeneity, which can be applied to not only humid regions but also droughty regions as well 3, 4. regard - ing the soil water movement, xie et al. 5 developed an unsaturated flow numerical model based on the finite element method, and xie et al. 6 presented another numerical model to compute soil moisture and water flow flux together by means of a mixed finite element method

    在地表徑流方面，文獻1 3發展了一種同時考慮蓄滿超滲產流機制及次網格非均勻性的新的徑流機制模型，並用其改進了陸面模式vic variable infiltration capacity中的徑流計算，該模型既適用於濕潤地區也適用於乾旱地區4 .在土壤水模型方面，文獻5採用有限元質量集中法發展了非飽和土壤水流的數值模型，文獻6則採用混合有限元法建立了非飽和土壤水分含量和通量計算的數值模型
  3. ( 3 ) the blockage of filtering bed and the thickening of the argitan can cause the change of hydrodynamic properties in the filtering bed, which leads to the decrease of water quantity

    （ 3 ）濾床堵塞和泥膜增厚可能產生濾床中水動力特徵的改變，會產生非飽和流導致出水量的衰減。
  4. Darcy's law can be applied to unsaturated flow subject to certain restrictions on seepage velocity.

    達西定律也適用於滲透速度有一定限制的非飽和水流。
  5. When soil antecedent condition is dry and the initial rainfall intensity is high, peak surface runoff also considerably lag behind that of rainfall, because of the formation of temporary relative impermeable top layer ; b ) surface runoff is controlled primarily by infiltration - excess runoff mechanism under unsaturated condition ; the major fraction of surface runoff are dominated by saturated infiltration - excess runoff response, only a small fraction by return flow mechanism when soil is saturated ; c ) subsurface flow is dominated by saturated runoff mechanism, and the duration of subsurface post the rainfall end is dependent upon rather the soil properties than the rainfall characteristics ; d ) subsurface flow intensity in cultivated soil layer ( 0 ~ 20cm ) is high up to 35mm / h when rainfall intensity is up to 120mm / h, indicating the existing of macropores and pipe flow in cultivated layer

    2 ）耕作制下紫色土的產流主要機制是： 1 ）當雨前土壤含水量未達到飽和狀態時，表面產流起始時間有明顯滯后現象，這與紫色土的快吸水性和較多非毛管孔隙密切相關；當雨前土壤較乾燥，降雨初期雨強較大時，易形成臨時相對不透水表層，表面產流峰也有明顯滯后現象。 2 ）表面徑流的產流方式主要是超滲產流，當土壤達到飽和狀態后，有四川大學博士學位論文小部分回歸流發生，但主要是飽和超滲產流發生，因為紫色土的相對不透水層和其它透水障礙層不明顯。 3 ）壤中流主要是飽和產流，與降雨過程有明顯的滯后，而且雨停后的壤中流產流歷時與降雨特徵無關。
  6. Finally, some simplification methods to the model were studied and a modified block elimination contraposing the features of the model ' s linear system was developed, which can greatly decrease the model ' s requirement to computer resources. in the second part, numerical methodology of hybrid techniques was developed, which uses dfn models developed in the fist part to build continuum approximations of fractured rock

    第三，本文將一種用離散的水?氣分界面模擬非飽和滲流的數值模型擴展到裂隙網路中，為用本文所構建的離散裂隙網路模型模擬裂隙巖體成富擁要柳廳錄非飽和滲流提供了一個初步的框架。
  7. Beven 18 suggested that when it is applied in its original form to a river basin with thin soils over an imperme - able base, the quasi - steady state approximation holds. however, he also noted that for a variety of alternative transmissivity profiles, or when the saturated depth of the aquifer is large, the deviation in the actual shape of the water table from a steady - state shape can be both large enough and last long enough to call into question the assumption of quasi - steady dynamics

    Beven 18也也指出這種「擬穩定」的地下徑流機制雖然能夠較好地應用於那些不透水層之上的土壤厚度比較薄的流域，但對于那些非飽和土壤層的厚度隨空間的變化較大也就是地下水位的變化比較大，或者潛水面的厚度較大的流域，使用這種「擬線性」的topmodel地下徑流機制就容易產生問題
  8. Laws about volumetric moisture content changes and wetting deformation in unsaturated zone are analysed according to different rainfall intensities and duration by saturated - unsaturated seepage theory in this text

    摘要運用非飽和滲流理論分析了不同降雨強度和降雨持續時間對土壩非飽和區含水率變化規律。
  9. The rule about water flow in the unsaturated soil and the soil - water characteristic curve are described in this thesis in the first time step during the numerical simulation, the permeability coefficient is calculated according to the initial water content of the unsaturated soil, because of as shown in the soil - water characteristic curve has the hysteresis phenomenon

    闡述了非飽和土中水流動的基本規律和土水特徵曲線。由於土水特徵曲線具有滯后的特點，提出了根據初始含水量來確定數值模擬初始時步非飽和土的滲透系數。
  10. Subsurface runoff is obviously closely related with soil water movement in the unsaturated soil zone and dynamic change of the groundwater table. there - fore, it is necessary to develop the subsurface runoff model with a physical base associated with recharge on the aquifer and total storage in the reservoir. also a soil model with a dynamic representation of the groundwater table makes it possible and reasonable to represent a more logical subsurface runoff parame - terization

    地下徑流顯然與非飽和土壤層中的水分運動以及地下水位的動態變化密切相關，因而有必要發展考慮土壤含水量與潛水面science in china ser . d earth sciences 376中國科學d輯地球科學第36卷水分通量以及地下水位動態變化的土壤水模型相適應且具有物理意義的地下徑流模型;同時地下水位動態表示的土壤水模型也為發展更為合理的地下徑流模型創造了很好的條件
  11. This model is validated by a subsurface flow separation algorithm for an ex - ample river basin, which shows that the new model can simulate the subsurface flow reasonably. keywords : subsurface runoff parameterization, boussinesq - storage equation, water storage and re - charge. hydrological processes including surface runoff, subsurface runoff, and soil water movement play a great role in land surface processes

    文中基於boussinesq - storage方程建立了同時考慮潛水面水分儲存和非飽和層水分入滲兩方面影響的地下徑流機制，並利用流域水文資料以及地下徑流分離演算法驗證了所建立模型的可靠性，結果表明該模型能夠比較合理地模擬地下徑流的變化情況
  12. Traditionally, the saturated zone is modeled as a simple lumped continuity equation :, dsitqsdt where t is time, s is the total storage in the reservoir, i is the spatially integrated volume of incoming wa - ter, and q is the discharge subsurface runoff which only depends on the total storage s. this kind of subsurface runoff model has many different parame - terizations 10 12, however it has a very common char - acteristic that the subsurface runoff is just a sin - gle - valued storage - discharge function

    對于大尺度水文模型而言，目前常常採用的是集總式的地下徑流機制，其連續性方程一般可表示為d ， dsitqst ? 1這里t是時間， s表示整個流域潛水面土壤層的飽和區域總的水分儲存量， i t表示t時刻土壤的非飽和區域向整個潛水面的水分補充量， q s表示僅依賴於水分儲存量s的地下徑流量量
  13. The infiltration process of the water on the surface is analysized under rainfall conditions, the two - dimensional mathematical model and its boundary conditions are presented

    分析了降雨條件下地表水入滲的過程，提出了降雨條件下非飽和滲流的二維數學模型及邊界條件。
  14. The coupling analysis program of surface flow and subsurface flow over porous media is developed based on the conversion principles of water on the surface under rainfall conditions. a new method to judge the saturation of the surface is proposed in this thesis, the convergence is speeded up and the cpu time is saved by using this method

    根據非飽和土上水的轉化機理，編制了降雨條件下地表水入滲和產流耦合的計算程序，並根據土-水特徵曲線，提出了判斷地表飽和的條件，根據此條件，加速了收斂速度，節省了cpu的時間。
  15. Based on the current research studies and needs in engineering, presented and discussed the following four fundamental problems of unsaturated seepage were : numerical modeling theories, modeling of rainfall infiltration, initial water content and hydraulic conductivity and its effect on the numerical simulation

    摘要立足於非飽和滲流問題的研究現狀和應用需求，對4個常見的非飽和滲流基本問題進行了論述：非飽和滲流及其數值模擬理論；非飽和降雨入滲及其模擬中的問題；初始水分量及其考慮；土的非飽和滲透特性以及對滲流計算結果的影響。
  16. The inclusion of unsaturated flow in groundwater modelling is important for obtaining physically realistic analysis results

    地下水模型中包含非飽和水流對于採用實際的物理分析結果非常重要。
  17. The ability to model unsaturated flow allows seep / w to handle a wider range of real problems than many other seepage software products

    同許多其他滲流軟體產品相比，本產品能夠通過模擬非飽和水流從而具有解決更廣泛的實際問題能力。
  18. The following contents are included : ( 1 ) based on the fundamental seepage theory, the basic differential equation of saturated - unsaturated seepage in porous mediums has been deduced, in which the pressure head is the fundamental unknown quantity. furthermore, the equation for rcc dam is deduced too

    主要內容包括： （ 1 ）從滲流基本理論出發，以壓力水頭為基本未知量推導多孔介質三維飽和非飽和滲流微分方程，並根據碾壓混凝土壩的特點得出適合其自身的滲流控制方程：進而對碾壓混凝土的滲流基本理論、滲流特性開展深入的研究工作。
  19. The primary contents are as follows : ( 1 ) based on the fundamental seepage physical equation, the basic differential equation of saturated - unsaturated seepage in porous mediums has been deduced, in which the pressure head is the fundamental unknown quantity. a calculated model for analysis of saturated - unsaturated seepage field with the boundary condition of rain infiltration also has been developed

    總體說來，本文主要從以下幾個方面開展了研究： （ 1 ）由基本滲流物理方程出發，以壓力水頭為基本未知量推導多孔介質三維飽和?非飽和滲流微分方程，在此基礎上分析了邊坡在有降雨入滲條件下滲流的定解條件和計算模型。
  20. In the doctoral dissertation, thorough studies on determination of unsaturated hydraulic parameters of fracture through experiment and numerical simulation, mechanisms of unsaturated seepage flow in fracture, analysis of saturated - unsaturated seepage flow in fractured rock mass due to surface infiltration and influence of surface infiltration to the stability of rock slope are made. and the above mentioned research achievements are applied to the analysis of real large - scale project

    本文就單裂隙非飽和水力參數的試驗測定和數值模擬確定、單裂隙非飽和滲流的機理、有地表入滲的裂隙巖體飽和非飽和滲流分析以及地表入滲對巖坡穩定性的影響等方面展開了較為深入的研究，並將上述研究成果應用於實際大型工程問題的分析中。
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