達西滲流 的英文怎麼說
中文拼音 [dáxīshènliú]
達西滲流
英文
darcy flow-
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。Study of non - darcy seepage for groundwater flow
地下水的非達西滲流規律研究Study on numerical simulation of non - darcy seepage for groundwater
地下水非達西滲流的數值模擬研究All the four models are suitable for describing the non - darcy seepage behavior of xiaoshan clay
性種非達西滲流模型對于蕭山黏土的滲流特性研究都是適用的。The consolidation - permeability combined test was performed on xiaoshan clay sample using gds advanced consolidation testing system, including several stages of constant head test
總結出4種非達西滲流模型來研究在加載條件下土的滲透性的變化規律。Finally by means of capillary bundle model, the empirical equation is given to describe the non - darcy filtration features in single facies fluid of low permeability oil reservoirs
最後通過毛管束模型給出了描述低滲透油藏單相流體非達西滲流特徵的經驗方程。Based on the nonlinear relationship of permeability velocity and hydraulic gradient, four non - darcy seepage models were summarized to investigate the permeability behavior of soft soil under consolidation pressure
摘要針對傳統固結理論不能考慮非達西滲流的不足,研究了滲流速度與水力梯度的非線性關系。Fitting results of three non darcy seepage models including three - parameter model, power exponent model and two - section model were pretty good, and broken line model could be simplified to the forms of linear permeability model and darcy model
試驗與分析結果表明,三參數模型、冪指數模型和非線性分段模型這3種非達西滲流模型的擬合效果較好;折線滲流模型簡單實用,在特殊情況下可以簡化為線性滲流模型或達西定律。The boundary layer can indicate the comprehensive influences of oil reservoirs, the physical properties ( reservoir porosity, permeability, fluid viscosity and its composition ) of inside fluids and development conditions such as pressure gradient : the layer thickness reduces with the rise of capillary radius ; when capillary radius is fixed, the thickness increases with viscosity rise ; the more polarity composition content is, the more obvious the absorption, the thicker the boundary layer, more and more obvious the characteristics of non - darcy filtration
邊界層反映了儲層、流體物性條件(儲層孔隙度、滲透率、流體粘度、組分)和開發條件(壓力梯度)的綜合影響,認為邊界層厚度隨著毛管半徑的增大而減小;在毛管半徑相同的情況下,邊界層厚度隨壓力梯度的增大而減小,最後達到一個臨界值;毛管半徑一定時,邊界層厚度隨粘度增加而增大;極性組分含量越大,吸附越明顯,邊界層厚度越大;邊界層厚度越大,非達西滲流特徵越明顯。This paper analyzes the percolation mechanism and characteristics of gas under low - velocity percolation state in terms of slippage effect and threshold pressure effect by using molecular dynamics, thermodynamics and percolation mechanics in order to understand the practical reason of low - velocity non - darcy percolation
摘要為明確氣體在低速滲流狀態下的滲流規律以及產生低速非達西滲流的實質性原因,運用分子動力學、熱力學和滲流力學等相關知識,基於滑脫效應和閾壓效應兩方面分析了氣體在低速滲流狀態下的滲流機理及滲流特徵。It concludes that percolation of roller compact concrete is of self - compactness by time effect under continuous action of water head and there may exist partial darcy flow regime in roller compact concrete under high water head
認為在持續水頭作用下,碾壓混凝土的滲透具有時效自密性;高水頭作用下的碾壓混凝土可能存在偏達西流現象。In the three models of calculating the leakage quantity of karst water, on account of the linear and non - linear seepage model are accord with the movement of darcy flow and non - darcy flow coexists with the practical instances in zhong - liang reseviour, so the calculation result of leakage quantity of karst groundwater with this model is more reasonable
在上述三種計算庫區巖溶水滲漏量的模型中,由於線性?非線性滲流模型同時考慮了與中梁水庫區實際情況相符合的達西流和非達西流區域並存的地下水運動,因此,利用該模型計算出的庫區巖溶水滲漏量更合理。Drainage domain of partial penetration gas well in bottom water reservoirs consists of the following two parts : ( 1 ) non - darcy binomial radial flow near the well ; ( 2 ) three dimensional darcy flow in areas far away from the partial penetration gas well due to bottom water drive
摘要底水打開不完善氣井的滲流是由井附近區域遵循二項式徑向流規律的非達西流動及此區域外遵循由底水驅動向不完善井三維達西流動兩部分組成。Regarding the lcm filling process as the newton fluid through fibrous reinforcements, the permeability of preform determines the saturating of resin in fiber, and has effects on the curing process and the quality of products. based on the darcy ' s law, the theoretical model of permeability measurement was established. and the influence of different testing methods and major process parameters such as fabric structure, fiber volume fraction, injection pressure, flow rate and resin viscosity on preform permeability were investigated in details
文中首先根據達西定律建立了滲透率測量的理論模型,深入研究了不同的測試方法及主要工藝參數(纖維織物織構、纖維體積含量、充模壓力、流動速度、樹脂粘度)對滲透特性的影響規律,發現多孔介質增強材料的滲透率主要取決于纖維織物的結構形式,預成型體孔隙分佈及其體積分數、壓實性對滲透率有較大的影響,提高充模壓力和流動速度可以縮短充模時間,在一定程度上可以提高滲透率。Based on geological radar penetrating practice for soil and stone dam hidden dangers of reservoirs in northwestern loess areas and from the variations of the disturbance, pore ratios and water contents of the soil bodies in the percolation positions, the authors analyzed the variations of geological waveform characteristics and waveform phase axis continuation, and summed up the graph characteristics of the percolation hidden dangers in different periods
摘要通過西北黃土地區水庫土石壩滲流隱患探地雷達探測實踐,從滲流部位的土體擾動、空隙比、含水量的變化入手,分析探地雷達波形特徵變化、波形同相軸連續性的變化,總結了滲流隱患不同時期的探地雷達圖像特徵。Non - darcy flow of two - phase fluid through anisotropic low - permeability double - porosity media for vertically fractured well
各向異性雙重介質兩相非達西橢圓滲流The combined mathematical model of non - newtonian power - law fluids with low - velocity non - darcy flow in fractal reservoirs
分形油藏非牛頓冪律流體低速非達西不穩定滲流的組合數學模型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。分享友人