耗散區域 的英文怎麼說
中文拼音 [hàosǎnqūyù]
耗散區域
英文
dissipation region-
Under distributing fault centralizing mode ， constucting the mathematic mode of distribution network based on the theory of structure variable dissipated network. structure variable dissipated network is a new algorithm which can actualize distribution automation efficiently
在配電網採用故障集中控制模式下，通過簡化的配電網模型，以變結構耗散網路理論為基礎建立配電網的數學模型，並在此模型下實現配電網饋線故障區域定位的功能。The key process of the algorithm, called nodes transforming to arcs, is based on the calculation loads of coupling nodes and arcs loads from the loads of switch nodes. getting the area of coupling nodes is the most important process in nodes transforming to arcs. this paper presents a new method ， which uses the adjacency matrix of distribution network and the information matrix of
變結構耗散網路是一種新的配電網自動化演算法，由配電網開關頂點負荷求弧負荷和耦合頂點負荷的點弧變換是整個演算法中確定配電網饋線故障區域的基礎，而進行點弧變換的關鍵就在於分離耦合點區域。Combined with the practical situiation in distribution network, it ' s suitable to select graph algorithm as the theoretical algorithm base. based on structure variable dissipated network theory, this thesis detailedly discusses the transforms of base - to - shape, shape - to - base, vertex - to - arc, arc - to - vertex, over - heated arc dectection, load allotting, load balancing and optimum restoration
本論文基於變結構耗散網路理論，詳細討論了基形變換、形基變換、點弧變換、弧點變換、過熱弧搜尋、負荷分配、負荷均衡化以及優化恢復非故障停電區域供電等一系列與饋線自動化功能相關的處理演算法。Thus the reactive compensator can be located in the center of the distributed load in the area and make the best user of the compensator ' s capacity. the distance flowed by the reactive current is efficiently reduced and the active loss of power net goes down. two - stage control model is adopted in the optimized control technique of the system
該系統採用了測量點與補償點與分開的方式，實現了區域性無功負荷監視，使無功補償點可以安置在區域性分散負荷的中心部位，最大程度地利用了補償容量，有效地縮短了無功電流傳輸的距離，降低了電網的有功損耗。With analyzed the relation between the particles number in the oil and the contamination of t he oil, the relation between oil contamination and the weakening of transmitted light intensity, the oil contamination is monitored based on the particles scattered the light. the minimum peak value of the oil at low - loss transmission area of quartz optical fiber can be selected to monitor the oil contamination
在對油液中磨損顆粒的含量與油液污染度的關系以及油液污染度與通過油液的光通量的減弱進行分析的基礎上，利用油液中懸浮顆粒對光線的散射的特性，對油液的污染度進行監測，選擇光線在石英光纖低損耗傳輸區域和油液對光線最小吸收峰進行測量。The use of equation provided by codes implies that some inelastic panel zone distortion is expected at the predicted strength, and therefore the panel zone is expected to contribute to energy dissipation in a controlled manner during severe seismic loading. the finite element models utilized in this study, and analysis and results are hoped to be some proof for the code modification
由於節點域受剪變形，參與了能量耗散，其非彈性變形增加了鋼框架的側向位移，各國對此進行了很多研究；本文將節點區變形分解為梁、柱和節點域的變形，並推導出了計算公式，從公式中可以看出各部分對側移的貢獻。In order to maintain the sustainable use of land and water resource, to protect the land from desertification and to make longyangxia reservoir safe, firstly, the spatially disturbed model has been established in which includes dem - based precipitation and runoff, regional transpiration and regional water balance modules in gonghe. secondly, the model of grassland climate potential productivity and the model of grassland productivity modified by plant water demand and stocking intensity factors has been constructed in gonghe. according to the carrying capacity and the actual amount of animals on the grassland, coupled with actual grassland investigation, and by using social - economic data, the grassland productivity, species composition, biotope and the cause of desertification has been analyzed
為了做到對本區的水土資源的可持續利用、防治本區的荒漠化和保護龍羊峽水庫，所以基於dem和已有的氣象、水文長短期觀測和實測數據，首先構建了青海共和盆地降雨、徑流、蒸散和區域水分平衡的分散式模型；進一步在此基礎上，構建了青海共和盆地草地生產力的模型和基於作物水分耗散與放牧因子校正的青海共和盆地草地生產力模型；利用草地載畜能力和現有牲畜量以及社會經濟因子等統計數據，結合實地調查，分析了青海共和盆地草地生產力、物種構成、生境變化和荒漠化成因及其內在驅動因子，並對草地可持續利用做了評價。The numerical results under different methods, especially the simulation of recirculation region and reattachment length were carefully checked and compared. it indicated that the " variable c ? " model could effectively increase the dissipation near the wall and, more over improve the simulation of the reattachment length to close to the experimental results. 4
比較不同修正方法下的圓管湍流計算結果，尤其是迴流區域和再附著長度的模擬結果表明：變模型常數的-模型有效地的增加了近壁區域的湍能耗散率，使再附著長度的計算結果更接近於實驗結果。For scalar equation and system of equations, we build different ghost fields, translate one equation ( system ) into two equations ( system ). we still use high resolution shock capturing method to compute the two equations ( system ) ; level set equation is used to track the interface, and the result of original equation ( system ) is determined by the level set function. thus, we eliminate the numerical dissipation which high resolution shock capturing method cannot avoid near the interface, and the resolution is enhanced
對標量守恆律方程、守恆律方程組分別構造了一種虛擬區域，將一個方程（組）轉化成兩個方程（組） ，對這兩個方程（組） ，我們仍然使用高解析度激波捕捉格式，而levelset方程用來追蹤間斷的位置，原方程（組）的解最後由levelset函數決定：這樣做彌補了高解析度激波捕捉方法在間斷附近發生數值耗散的缺陷，提高間斷處的解析度。A semi - discrete form of our scheme is also presented. this new reconstruction is a third order accuracy in smooth regions and non - oscillations at cell interfaces. our scheme enjoys the main advantage of the central schemes - simplicity, namely it does not employ riemann solvers and hence the intricate and time - consuming characteristic decomposition are avoided
本文針對一維雙曲型守恆律的初值問題，研究了二階和三階中心差分格式，提出了一種改進的三階中心差分格式及其半離散形式，主要是引入了一種新的重構，並證明了這種重構在光滑區域具有三階精度且在網格邊界無振蕩，所提的格式保持了中心差分格式簡單的優點，不需要求解黎曼問題，避免了復雜且耗時的特徵分解過程。分享友人