能流模型 的英文怎麼說
中文拼音 [néngliúmóxíng]
能流模型
英文
energy flow model-
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。It is showed that numerical calculation could give the same position of separation line with the cold gas simulation. however, numerical simulation result is of a little deferent from cold gas simulation in some details, such as recirculation velocity and turbulent intensity. the main problem of numerical simulation is that the turbulent model is not perfect, and the computational grid is not precise enough
利用實驗結果對數值模擬的準確性作了檢驗和評價,結果表明數值模擬能給出與實驗結果一致的分離線位置,但在某些流動細節上還有差別,如迴流速度大小和湍流度等,數值模擬中存在的主要問題是湍流模型不夠完善和網格生成不夠精細。In the second section, three ( 2 co2 ) scenarios only considering climate change alone ( c scenario ) were generated first, using outputs of the giss, gfdl and ukmo gcms, combined with the baseline. then, climate change scenarios including change in climate variability ( c + v scenario ) were produced, based on 3 hypotheses and the weather generator ( wgen ) in dssat. finally, the ceres - wheat model was run under both the ( c + v ) scenarios and the baseline, and the combined effects of climate change and its variability with doubled co2 on whiter wheat production in the studied region were assessed, based on the results simulated comparison
在上述第2部分,首先利用baseline和國際上通用的3種大氣環流模型( gcms )即giss 、 gfdl和ukmo的有關網格點值,生成了研究區域3種不考慮氣候變率變化的( 2 co _ 2 )氣候變化情景(以下簡稱c情景) ;然後,提出了未來氣候變率可能變化的3種假設,並應用dssat (農業技術轉化決策支持系統)中的wgen (隨機天氣發生器) ,分別生成了研究區域( 2 co _ 2 )條件下兼顧氣候及其變率的氣候變化情景(以下簡稱c + v情景) ;再后,在上述( c + v )情景下分別運行ceres - wheat (作物-環境資源綜合系統-小麥) ,還考慮了大氣co _ 2濃度的直接影響,並與baseline條件下ceres - wheat的模擬值進行比較,在此基礎上評價了( 2 co _ 2 )條件下氣候及其變率變化對研究區域冬小麥生產的影響。Since web service model can not be used directly in the traditional workflow model, the paper detailed describe the design of the encapsulate and structure workflow, this workflow is different from the traditional workflow which is modeled in a graph method, we use the idea of the object oriented to make the workflow more reusable and easy to be deployed in web service environment
由於web服務模型並不能直接用在傳統的工作流模型中,因此就需要對傳統的工作流語言建模做相應的修改來適應web服務的特點。對此,本文就詳細討論了一種結構化封裝型工作流的設計,該工作流不同於以往工作流都是通過圖形化的方式建模,而是採用面向對象方法中的解釋器模式來設計一個封裝和結構化的定義流程。Account for the high electrical field induced from the high applied voltage relative to small dimension device, the mechanism of hot - carrier generation is analysed, the si - h bond broken model for hot - carrier injection and interface states generation is deduced and the substrate current model is developed
基於mosfet偏壓不能按比例縮小所導致的高電場,對mosfet的熱載流子產生機理進行了分析,導出了熱載流子注入所引起的界面態的si - h健斷裂模型,並建立了表徵器件熱載流子效應的襯底電流模型。Firstly, based on the present research all over the world, a 3d quasi - single phase model is built together with k - equations. the special feature of this model is taking account of the influence of interaction between liquid and gas, that is to say, the influence of interphase drag force, lifting force perpendicular to the relative velocity, virtual mass force and gas or liquid volume fraction in the fluid field have been considered. a 3d two - fluid model is also built in order to describe more accurately the fluid flow on distillation trays by comparing the computational results of quasi - single phase mathematical model with of two - fluid mathematical model
本文在國內外已有的研究基礎上,首先建立了以k - (封閉模型為基礎的三維擬單相流模型,該模型的特點在於充分考慮了氣液兩相間相互作用的影響,即計入了相間曳力、橫向升力、虛擬質量力和氣、液相含率對流場的影響;並建立了塔板三維雙流體模型,主要目的是通過對比擬單相流數學模型、雙流體數學模型的計算結果,建立能夠準確描述塔板上流體流動的數學模型。To verify the structural correctness, a structural conflict verification method of workflow models based on graph reduction is introduced in this paper. with this method, we can figure out all structural conflicts of workflow model. to verify execution performance, we should rely on simulation and comprehensive bpi system
為了保證工作流模型的結構正確性,本文採用了一種基於圖歸約法的工作流模型結構沖突檢測方法,該方法可以成功的檢測出工作流模型中存在的各種結構沖突;為了保證業務過程的運行性能,模擬運行過程模型,藉助業務流程綜合評價指標體系,通過分析過程模型運行結果,從而得到模型的運行性能指標。Under considering the impact of bubbles on the turbulence, the k - ? model modified with the presence of microbubbles is employed, postulating the turbulent kinetic energy k and the dissipation rate ? are the properties of continuous phase
考慮到氣泡對湍流的作用,本文採用了經過氣泡修正的k -湍流模型,並假定湍動能k及其耗散率是連續相的屬性。But majority of the productions lack for verification of correction or only check the local expressions during the modeling process, so causing the existence of the deadlock, livelock and other bugs in the model. it causes many problems directly during the dynamic execution of the workflow. so it is important that model and verify the workflow before running
但由於大多數產品在產品建模過程中缺乏正確性驗證或僅進行局部的語法檢驗,造成工作流模型存在死鎖、活鎖等缺陷,這直接引發了工作流動態執行過程中的諸多問題,如任務不能完成、超期完成等。In integrated environment, the product development process modeling method was presented, which is based on the integration of information model, function model and process model. then, the procedure of implementing process modeling has been analyzed
針對集成環境下的產品開發過程,提出了以功能模型、活動模型和信息流模型集成為基礎的集成產品開發過程模型,並分析了集成產品開發過程建模的步驟。The traffic flow model can fully exert agent ' s autonomy and cooperation to show the complicated trait of mixed - traffic
所提出的交通流模型能夠充分發揮智能體的自治性和相互協作性,體現我國城域混合交通流的復雜性特點。A distributed mixed - traffic flow model based on techniques of multi - agent systems is designed and a framework of urban mixed - traffic simulation system is proposed
摘要以多智能體技術為手段,結合我國混合交通流的組成和復雜性特徵,建立了一種分散式混合交通流模型,並提出了基於多智能體的城域混合交通模擬系統的體系結構。On the basis of above theoretical derivation and analysis on experimental results, by correlating solvent ( water ) transfer with solute ( salt ) transfer on hot side and correlating mass transfer with heat transfer during vmd and introducing a contribution coefficient which can reflect the characteristics of mass transfer through membrane, a new model of mixed flow is presented
在上述理論推導及實驗分析的基礎上,本文將熱側溶劑傳輸與溶質傳輸、膜蒸餾過程熱量傳輸與質量傳輸相關聯,並引入一個能夠反映膜內質量傳輸特徵的「貢獻系數」 ,將努森流模型與粘性流模型結合起來,從而提出了新的混合流模型。A kind of two - equation turbulent model of charged fluid flow is constructed, in which the interaction between electric field and flow field is considered. based on analyzing the properties of forces on the charged droplets in the spray, pseudo - fluid of charged droplets phase method is adopted to develop a kind of charged two - phase turbulent model. this model takes account of the interaction between charged droplets phase and electric field, the inter - phase action between droplets and gas, convection and diffusion of droplets " turbulent energy
考慮電場與流場的耦合作用,建立了荷電流體的湍流模型,在荷電顆粒受力分析的基礎上,採用顆粒擬流體的方法建立了荷電氣液兩相湍流理論模型,該模型考慮了荷電顆粒相流場與電場的耦合作用,氣相與顆粒相的相間作用以及顆粒相自身湍能的對流與擴散。Re - introducing dimensionless variables is made to simplify and solve the model, developing the radial flow model
通過實例計算,證明徑向流模型能夠反映出砂冷采時的開采特徵,從而證明了模型的可靠性。Relaxation factors are adopted. a program is produced to simulate swirling air flow in a horizontal straight pipe and compare with experiment data. the simulation prove that the modified k - model can predict the core, annular and wall regions near entrance and axial velocity far from entrance, but it ca n ' t predict tangential velocity well in weak swirling area far from entrance
編程計算水平圓管內螺旋氣流的流動參數並與實驗數據對比,結果表明修正-湍流模型在近入口處基本上能預測出中心區、環形區和近壁區的流動特性,在遠離入口弱旋流區域對軸向速度的預測符合實際情況,但是出現對周向速度修正過大的現象。And the architecture is born of oop and coordinate the class inheritance way to implement the workflow inheritance architecture. it made the workflow model have the reusing and polymorphism as the class. to the purpose of army automatic approving, the main contents of research in this dissertation are as follows : 1 ) analyze the current status and the shortage of workflow development by
特別給出dbflow工作流引擎支持的工作流模型繼承體系,該體系來源於面向對象的思想,結合類繼承的方式,實現工作流模型的繼承機制,從而使工作流模型能象類一樣具有重用性,甚至多態性。The computational predictions of the centrifugal fan flow indicated that the turbulence model under - predicted gas - solid two - phase flows
計算結果表明所選的湍流模型能夠很好的反映離心風機氣固兩相流的情況。4. 1n order to priority meet the water needs of songhua basin and transfer more water to liao basin, in main river model " limiting line " method is used to operate reservoirs
4 、幹流模型中採用了利用水庫調水限制線的方法對水庫進行調度,以優先滿足松花江流域用水后,再盡可能向遼河流域調水。Though the product provide strong function but have no customize d model the user wo n ' t satisfied
如果工作流模型本身不能適應企業復雜多變的應用環境,既使產品功能再強也不會令用戶滿意。分享友人