通道流量 的英文怎麼說
中文拼音 [tōngdàoliúliáng]
通道流量
英文
channel capacity- 通 : 通量詞(用於動作)
- 道 : Ⅰ名詞(道路) road; way; route; path 2 (水流通過的途徑) channel; course 3 (方向; 方法; 道理) ...
- 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...
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 通道 : thoroughfare; passageway; pass; enterclose; gallery; drong; tunnel; avenue; alure; way; row; key ...
- 流量 : rate of flow; flow; runoff; discharge; throughput; (flow) rate; quantity (of flow); flux
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The local network resoure management system is mainly engaged in the lacal network resoure management, at the same time and the network quality managerment as well, also including network line - pipe management, equipment management, configure management, topology management, attemper management and systimatic analysis, the main equipments include pdh, sdh, dwdn, idlc, pon, fwa, adsl, bits etc. by means of the main equipments " s resoure attemper and running state, we can finds out something abnornal in operation, from the whole point of local network, adjusting network is to be made to reach overal optimiztion. ensuring the network operating quality, realizing the the dispatching solution on the basis of network resource management and circuit closed - loop dispatching circulation
本地網網路資源管理系統是側重於本地網網路資源的管理,同時兼顧網路質量管理。重點網路管線管理、設備管理、配置管理、拓撲管理、調度管理以及統計分析,主要設備包括pdh 、 sdh 、 dwdn 、 idlc 、 pon 、 fwa 、 adsl 、 bits等。通過主要設備的資源配備和運行狀態,該系統發現處理運行異常,從本地網全局的角度調整網路達到整體優化,保證網路的運行質量,在網路資源管理的基礎上,實現調度方案的生成,以及電路通道的閉環調度流程。Brings forward the basic network cell model of symmetrical blast vault and asymmetric blast vault. then studies and analyses airflow in vault of main voltage switchyard hall of xiluodu hydropower station which is far cry and large numbers of airflow conflux, brings forward concept of “ virtual embranchment ” and corresponding basic network cell model, regresses calculate expressions of flux uniformity coefficient and impedance of “ virtual embranchment ” of vault of main voltage switchyard hall of xiluodu hydropower station
而後又採用cfd數值模擬的方法對溪洛渡水電站主變洞排風拱頂這種多股氣流匯流的長距離通道內的氣流流動進行了分析,提出了「虛擬分支」的概念和相應的網路基元模型,並回歸得到了溪洛渡水電站主變洞排風拱頂各個排風「虛擬分支」風量均勻系數以及阻抗的計算公式。Considering the overtaking flow, this paper built the continuum equation of mixed traffic flow, set up the kinematics differential equation by means of differential calculus
摘要引入超車換道流量,建立了混合交通流的連續性方程;通過對交通流參數的微分變換,建立了混合交通流的運動微分方程。In the model the film thickness in the passage was obtained at first using two phase flow theory ; then, similar analysis solution of concentration distribution of the pollutant in liquid phase and biofilm was obtained through mass component equation of pollutant in gas - liquid phases combined with the biochemical kinetic equation of mass transfer in biofilm and dismission of oxygen limited ; at last, the distribution of pollutant along the filter height and the waste gas purification efficiency were obtained
該模型首先運用兩相流理論獲得了通道內液膜厚度,然後通過污染物在氣相、液相的質量組分方程,結合生物膜內的傳質與不?慮氧限制的生化反應動力學方程,獲得了污染物在液相和生物膜中濃度分佈的近似分析解,最終得到污染物在氣相中沿塔高的濃度分佈及廢氣凈化效率。In consideration of the crises of both the industrial water and the domestic water in the estuarial areas of the yangtze river caused by the decrease of the channel runoff and the intrusion of the sea water during the dry season in dry year, the concept, method and planning framework of the water resources allocation for the areas mentioned above along the main stem of the river are put forward herein based on the preliminary prediction of the future water demands by taking the water resources allocation therein during the dry seasons as the actual case in combination with the status quo of the water environment and water resources utilization concerned
摘要針對枯水年枯水季,因河道徑流量較少,鹽水入侵的頻率和強度顯著提高而引起的長江河口沿岸地區生產生活用水安全,文中結合長江口地區水資源利用和水環境現狀,以大通以下長江幹流地區在枯水季水量分配為實例,在初步預測未來河口地區水資源需求的基礎上,提出長江口地區水資源配置的思路、方法及方案框架。Experimental investigation on post - dryout heat transfer in narrow annuli at low mass velocity
低質量流速下環形通道內乾涸后傳熱實驗研究At the same time, combining the electrostatic measurement principle and the actual working conditions of pneumatic pipelines, the author puts forward the design principle in theory and finishes the devising, executing, debugging, experimenting and analyzing the experiment phenomena and results, testing the feasibility of the electrostatic sensor to be used in the measurement on the mass flow rate of the coal paniculate. furthermore, with the debugging and experimenting of the system, the author improves the electrostatic sensor and its signal collecting system gradually according to the problems, and makes the performance of the system to be enhanced remarkably
同時,作者結合靜電測量原理以及氣力輸送管道的實際工況,從理論上提出了靜電傳感器的設計依據,完成了靜電傳感器及其信號採集系統的設計、製作、安裝、調試和實驗,分析了實驗現象和結果,驗證了靜電傳感器用於煤粉質量流量測量的可行性,並且通過系統調試和實驗,針對發現的問題對靜電傳感器及其信號採集系統不斷地進行了改進,使其性能有了顯著地提高。With the help of video detection and recognition methods, we can sample real - timely traffic messages, such as traffic flow, road situation and so on, and get the relative information so as to avoid traffic jam before it happens, on the other hand, to real - time traffic breach detection, video detection and recognition methods is also very effective, especially, it can provide strong evidence for traffic policemen
通過視頻圖象的檢測與識別,可以對道路的交通流、路況等實時監視,提取交通流信息(車流量、車道佔有率、車速等) ,在交通擁擠未發生時,及時採取措施、疏導交通、防止交通擁擠發生;另一方面,通過視頻圖象的檢測與識別,還可以實時檢測交通違章現象、識別違章車輛的車牌號碼,為公安交通管理部門提供強有力的執法證據。And the setting standard of bus lane is also studied, which includes the standard of bus speed, the standard of bus flow rate, the standard of road condition. moreover the bus signal priority and the pre - signals are introduced and the bus priority network is planned by using the planning method of urban mass transit network. finally the methods of benefit assessment of bus lane, bus approach lane and bus transport priority network are studied, which takes the travel time of each person as standard
系統地討論了公交專用道、公交專用進口道、公交停靠站的設計方法和它們之間的關系;研究了公交專用道的設置標準,其中包括:車速標準、公交車流量標準和道路條件標準;對公交優先信號、公交預先信號進行了介紹;應用軌道交通線網規劃的方法對公交優先通行網路進行規劃;以人均出行時耗為指標對公交專用道、公交專用進口道、公交優先通行網路的效益評價方法進行了研究,並且建立了數學模型。Taken the bank spillway at yubeishan reservoir as an example, the water loads acted on the spillway, such as static water pressure, dynamic water pressure, shear stress on the surface of the step and so on, are calculated, which can provide evidence to the stability analysis of the dam slope and slope protection
並以萬縣魚背山水庫岸邊溢洪道為例,計算了溢洪道上所受的水流荷載及其分佈,為土石壩坡和護面的穩定分析提供了依據。通過計算證實了既使在較大的單寬流量下,緩坡上的階梯仍有較高的消能率。For example, when the design flow of upward of the peace bridge of upward of the east - one main canal is 45m3 / s, the actual flow quantity is 23. 8m3 / s on the 30th of september in 1989, the water level of the transition region terminal of the mouth of hao wan flume of the east - one main canal had gained the design level of 4. 3m, and the level between downstream and shang tian yuan tunnel was generally higher. it says that the actual discharge capacity now is only about 24m3 / s which is half of the design value. this not only make the benefit of the irrigation district abnormal, but also greatly hinder the economic development of the irrigation district, and lead to the canal run frequently at small flow, high water level, lengthen the discharge duration
如東一乾渠上段太平橋以上設計流量45m ~ 3 s , 1989年9月30日實測通水流量23 . 8m ~ 3 s時,東一乾渠郝灣渡槽出口漸變段末端水位已達到設計水位4 . 3m ,其下游至上天院隧洞水位也普遍偏高,即東一乾渠上段目前僅能通過流量24m ~ 3 s左右,只有設計值的50左右,不僅使灌區效益得不到正常發揮,嚴重阻礙了灌區范圍內的經濟發展,而且使渠道經常處于小流量、高水位運行,延長了次通水時間,大大增加了渠道工程的安全管理難度。Finally, we propose a main road model in city traffic according to the improved ns model with open boundary conditions, and study some characters about this model with different parameters. our purpose is to find out the actor which influent the main road ' s average speed and current, and also the law of city traffic. then we can give some advise for managing and controlling the main road trffic. organization and self - organization cooperation in this model is discussed. the effect of roads ' length, the number of intercections and their positions is self - organization, and the effect of the deceleration probability, the injection ( extinction ) rate, the cycle times of traffic lights is organization. we analyse the effect of the parameters above separately
最後,在開放邊界條件下改進ns模型的基礎上,建立二維城市主幹道模型,研究不同參數條件下模型的性質,找出影響主幹道流量、速度的因素及城市交通流變化的規律,給出適當的參數匹配,為主幹道管理和控制提供依據。主幹道模型由一條東西向的主幹道和若干條南北向的支道組成,在支道和主幹道的交叉路口上設置紅綠燈,交叉口上的車輛可以轉向行駛。The experimental model is a rectangular section of 15. 2 187mm ~ 2, which is composed of two aluminum plates. the angles between the internal netted rib turbulators and the flow direction are 45 ? for the one plate and 60 ? for the other, or both 45 ? for two plates. in the experiment, the re numbers changes from 0. 4 10 ~ 4 1. 5 10 ~ 5, rib width - to - pitch are 0. 25, 0. 3 and 0. 5, rib width - to - height are 0. 25, 0. 3 and 0. 5, the rib height - to - hydraulic diameter ratio is 0. 246
主要研究了在通道進口截面積(即無肋處的截面積) a為15 . 2 187mm ~ 2 、肋高與通道當量直徑之比e / de等於0 . 246 ,實驗雷諾數范圍在0 . 4 10 ~ 4 1 . 5 10 ~ 5之間的情況下,雷諾數re 、肋向角a 、肋寬與肋高之比t / e和肋寬與肋間距之比t / p等參數對通道強化傳熱與流動阻力特性的影響。Abstract : based on the results of hydraulic model test and remote - control ship model, the unsteady flow characteristics in the downstream approach channel and the reaches from three gorges project to gezhouba project and navigation conditions in these reaches during the tgp flood - discharge are analyzed. the measures of raising navigation discharge level and improving navigation conditions are given
文摘:根據水工模型試驗成果,分析了三峽工程泄洪時壩下游引航道和兩壩間河段(三峽至葛洲壩)的非恆定波流運動特性,結合遙控自航船模試驗對兩壩間的通航水流條件進行了分析評價,並提出了提高通航流量標準、改善通航條件的相應措施。Because of the limit of network resource ( link capacity, buffer length of network node ) and the uncertain of traffic in networks, it should not be avoided that network congestion occurs, and congestion control becomes one of the key technologies in atm networks
由於網路各類資源(通道容量、節點中緩存器容量等)的有限性和網路中各種數據流的不可確定性,不可避免地導致了網路擁塞的產生,使得擁塞控製成為atm網路亟待解決的關鍵技術之一。With the favor of these techniques, the static pressure distribution along the length and the velocity profile at the mini - channel exit were obtained. with the data of more than 500 flow states based on 13 kinds of mini straight rectangular channels that their heights were 0. 5mm and 1. 0mm, the effects of characteristic scale, surface roughness and the aspect ratio of rectangular on the characteristics of flow resistance of mini straight channels were studied
採用在沿程測量氣流靜壓分佈、在出口測量速度分佈的方法,對高度0 . 5mm和1 . 0mm的13個微小直矩形通道的500多個狀態流場進行了測量,研究了特徵尺度、表面粗糙度、橫截面寬高比等因素對微小等直通道流動阻力特性的影響。For multi - granularity application, both a lambda - group model used in traffic grooming and a new intelligent switching fabric based on the new model were presented. the optical switching fabric presented a distinctive approach of dividing granularities into specific tunnels for effective optical treatment. in addition, two key dynamic algorithm modules of configuration for granularity separation in the control layer were discussed. simulation results show that the method of particular channel partition can greatly improve the average channel quality and the blocking performance along every optical path for dynamic connection requests
針對多粒度應用,開發了一種用於流量疏導的波群模型,並引入一種基於此模型的新型智能交換結構.該光交換結構提供了獨特的區分粒度到相應隧道進行有效處理的方法.此外,還討論了控制層粒度分離時採用的兩個關鍵的動態演算法模塊.模擬結果顯示這種特殊的通道分離方法有效提高了處理動態連接請求時每個光路徑的平均信號通道質量和阻塞性能The number of the channels was chosen, both the relationship between the channel wide and the minimum screen area covered by the pool and the relationship between the location of the pool and the covered screen area were presented by analyzing the screen area covered by the liquid pool under the worst operating condition
對通道式表面張力貯箱提出了系統的設計方法,包括篩網面積分析,得出不同加速度水平下的設計方案;通過通道壓力網路計算,得出最差工況下,各管道流量、壓降、篩網壓降,提出了以最小剩餘質量為目標的優化設計方法。Because of the difficulty to obtain the traffic flow information of lanes at non - detector intersections in most metropolises of the world, based on the relationships between the lanes of signal - controlled intersections, cluster analysis and stepwise regression are integrated to predict the traffic volume of lanes at non - detector isolated controlled intersections. first cluster analysis is used to cluster the lanes of non - detector isolated signal - controlled intersections and the lanes of all signal - controlled intersections with detectors. then, by the results of cluster analysis, the traffic volume samples are selected randomly and stepwise regression is used to predict the traffic volume of lanes at non - detector isolated signal - controlled intersections. the method is tested by the traffic volume data of lanes of the road network of nanjing city. the problem of predicting the traffic volume of lanes at non - detector isolated signal - controlled intersections was resolved and can be widely used in urban traffic flow guidance and urban traffic control in cities without enough intersections equipped with detectors
針對目前國內外大中城市中普遍存在的無檢測器信號交叉口車道交通流信息難于獲取的情況,基於信號控制交叉口車道之間的相關性,綜合應用聚類分析和逐步回歸法預測單點無檢測器信號控制交叉口車道流量.首先應用聚類分析將單點無檢測器信號控制交叉口的車道與有檢測器信號控制交叉口的車道交通流量進行聚類,然後在聚類分析結果的基礎上隨機選取車道交通流量樣本運用逐步回歸法預測單點無檢測器信號控制交叉口的車道流量,此方法經過南京市的具體車道流量數據驗證.此類問題的解決,可廣泛應用於城市交通流誘導系統以及交通控制系統In the water works control aspect, modifying the valve by the effective algorithm can lighten the pipe ' s pressure in order to resolve the water hammer defensive problem
在水利控制方面,針對工程中需要重點解決的水錘防護問題,採取有效的控制演算法,通過控制閥門開度來調節管道流量,達到減輕管道承受的壓力的目的。分享友人