水流模型 的英文怎麼說
中文拼音 [shuǐliúmóxíng]
水流模型
英文
flow medel- 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...
- 模 : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
- 水流 : 1. (江河) rivers; streams; waters2. (流動的水) current; water flow; fluent; flow; [水文] stream current
- 模型 : 1 (仿製實物) model; pattern 2 (制砂型的工具) mould; pattern3 (模子) model set; mould patter...
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On the basis of collecting and arranging a large amount of projects experience, conbined with construction diversion flood passing measures design and hydraulic model test of lihua hydraulic pawer station in 1995 and 1996, the dissertation studies the issues related with characteristics of concrete face rockfill dam including the selection of construction diversion flood passing standard and measures, flood passing during construction period and embankment stage, coffer dam design, construction scheme and general schedule etc. and present preference for project construction
本文在搜集整理大量工程經驗的基礎上,結合蓮花水電站在1995年及1996年導流渡汛工程措施設計及水工模型試驗,對混凝土面板堆石壩的導流渡汛標準、導流方式及其選擇、施工期渡汛及壩體填築分期、圍堰設計以及施工方案及總進度等與混凝土面板堆石壩特點有關的問題進行研究,為工程建設提供一定的參考。In the paper, river and the downstream area of dike are regarded as a whole system, and hydraulic model of coupling 1 - d river and gradual dike - break is established, therein the preissmann implicit difference scheme is applied to main river, and the fvm ( finite volume method ) is applied to the breach and polder
本文將河道與堤壩下游區域視為一個整體,對于單一河道採用preissmann四點隱式差分格式計算,對于潰口及圩區採用有限體積法,建立了一維河道與堤壩漸潰耦聯的水力模型,也是一維、二維耦合的水流模型。Two - fluid large eddy turbulence model is applied to research the movement of the sand clouds in quiescent water
摘要本文採用雙流體大渦紊流模型對靜水中泥沙雲團下落過程進行了研究。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。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。The research aims at the demonstration and the mend of the design on the new purifier and presents a calculation method for solving the two - phase flow in fluid machine by the finite element method. after analyzing the two - phase flow in the new purifier by means of the continuum model, poisson equation, navier - stokes equation and continuous equation are derived and solved by using the finite element method. the solution on pressure, velocity and particle concentration simulates the departure well between oil and water, which proves the accuracy of the design on the new purifier
本文採用兩相流連續介質模型,由兩相分離流動理論得到控制方程,採用chorin的直接速度-壓力mac法的思路,對新型油水分離裝置內油水兩相流動作了細致的分析,同時首次把科氏慣性力引入兩相流模型中,進行分析和計算,將研究擴展到三維,並用有限元法分別解poisson方程、 n - s方程、連續方程的方法,對流場內壓力場、速度場、濃度場進行了分析和計算,較好地模擬了新型油水分離裝置內油水分離的現象,證明了設計方案的正確性。Second, based on the characteristic of the receiving water studied in this paper, develope a dynamic one - dimension water quality model for nanbei river in zhangcha town of foshan city, and develope a program of water quality model based fortran powerstation. and then, calculate the concentration of codcr in receiving water using the simulation results of swmm and analyze the effect on the environment of receiving water by intercepting ratio. at last, the construction investment and operational and administrative expenses of intercepting trunk sewer 、 pumping station and sewage farm is calculated and the relation between them is discussed
其次,本文根據研究區受納水體的特點,建立了佛山市張槎鎮南北大涌的一維非穩態水質模型,相應地開發了基於fortranpowerstation平臺的水質模型計算程序,並在swmm模型模擬結果的基礎上,利用本文編制的水質模型程序計算了不同截流倍數時南北大涌codcr濃度的時空變化過程,分析了截流倍數對河涌水環境質量的影響。The hydrauli c model of gradual dike - break simulates numerically the 2 - d flow of gradual dike - break waves. it shows the variation of flow field on breach, and the complicated flow characteristic of the propagation, diffraction, reflection and deformation of the dike - break waves. the hydraulic model can realistically simulate the burst process of dike, and computational accuracy is satisfied with the engineering demands
本文建立逐漸潰堤的水力模型首次對二維逐漸潰堤波的流動問題進行了數值研究,揭示了逐漸潰堤過程中潰口處流場的變化情況,以及潰堤波的傳播、繞射、反射及變形的復雜運動特徵,能較好地模擬實際工程中的潰堤失事,模擬比較逼近於真實潰決過程,計算精度可滿足工程要求。Abstract : through a series of hydraulic model tests for researching actual power tunnel operation, a conclusion is reached that in order to get a better flow pattern the profile of the wate - carrying structure should be adapted to the variation of water streamline shrinkage, flow velocity and pressure intensity. the configuration and dimension of the kinetic energy dissipator should be selected carefully to make the water tunnel safe and reliable at different levels of diversion dischage
文摘:針對實際工程中的發電引水隧洞運行的各種工況進行了水工模型試驗研究,指明要獲得良好的水流流態,過水建築物各部位結構輪廓的造型應適應水流流線的收縮、流速及壓強的變化;為使引水隧洞在各級引水流量下能安全可靠地運行,需慎重確定洞內消能工的體形和尺寸。Dynamic equation analysis indicates that slurry system has evident dissipation structure characteristics, therefore, an entropy exchange model was established and an example was given to illustrate its application
動力學方程分析結果表明煤泥水系統具有顯明的耗散結構特徵,所以構建了煤泥水系統的熵流模型,並對模型進行了舉例說明。It is proposed that the fixed capacity investment and cargo discharge regression forecasting model and the optimal average information customer distribution model can be used to predict the cargo o - d distribution. the capacity limitation dynamic increment comprehensive network model can be applied to the prediction of the channel cargo transportation discharge and the turnover discharge in the main courses. the main courses network plan grade can be verified by the total cost method, and according to which the economic rationality of constructing different grade channels can be evaluated
本文開展了平原水網地區航道網規劃方法的研究,提出了採用固定資產投資完成額與貨運量回歸預測模型;平均信息量用戶最優分佈模型預測貨物o - d的分佈;容量限制動態增量綜合網路配流模型預測干線航道貨物運輸量和周轉量;採用總費用法論證干線航道網規劃等級,據此評定建設不同等級航道的經濟合理性。The tail - water adjustment with recumbent flap gate has properties of fast response and wide adjustment, which is a common method of controlling tail - water in an unsteady hydraulic model
採用翻板尾門進行尾水調節,具有反應快、調節范圍大等優點,是非恆定流水力模型控制尾水位一種常用的方法。Therefore the upper layer is water flow and the nether layer is debris flow. the moving water compressive force and the shear force of interface are taken into account
將粘性泥石流與主河的匯流視為分層流研究,上層為主河水流模型,下層為水下泥石流運動模型。Then, a pressure - based height field fluid model is proposed and the pressure to simulate the fluid surface height is justified
在此基礎上給出基於壓力高度域的水流模型,並闡述了該模型的合理性。To get texture maps at appropriate size, an accelerated method for wei and levoy " s basic algorithm ( for short, wl algorithm ) is presented
為了生成滿足水流模型空間大小的紋理,本文給出了搜索帶加速的wl紋理合成演算法。In our approach, the water surface is regarded as a height field and the main body of water can be regarded as vertical columns
在我們的水流模型中,水表面看作一個高度場。水流整體可以按微元的觀點看成由一系列豎直水柱拼接而成。After we convince these realities we can study the variable law of groundwater in shanghai and we can set the exactly complete model of groundwater resource estimation and ground subsidence
了解這些情況對於我們研究上海地區地下水變化規律以及建立準確完整的地下水水流模型和地面沉降模型具有重要的參考價值。Firstly, three dimensional flow model should be adopted so as to establish equations for aquitards and consider heterogeneity of aquitards, in which the values of parameters vary with subsidence of soil layers
如何描述引起地裂縫的水平位移,分兩步進行的耦合不合適,要做到水流模型與沉降模型的真正耦合等八個方面的步驟。Firstly, a 1 - d flow numerical model based on the preissmann scheme, a 1 - d rivernet flow numerical model based on the direct solution method and a 2 - d tidal model based on the implicit scheme of finite difference method are programmed
本文首先建立了基於preissmann演算法的一維水流模型、基於直接解法的平原河網模型和基於有限節點法的平面二維水力模型,在對各模型的演算法進行推導的基礎上自行開發了計算程序。Characteristics of present land subsidence models in china were as follows : ( 1 ) flow models were quasi - three dimensional models ; ( 2 ) parameters in models were constants ; ( 3 ) subsidence models were linear elastic models ; ( 4 ) couple of flow model and subsidence model had two steps
摘要我國現有模型有下列特點:水流模型都是準三維模型,模型中的參數都是常數,沉降模型採用線彈性模型,水流模型和沉降模型的耦合分二步進行。分享友人