槽道流動 的英文怎麼說

中文拼音 [cáodàoliúdòng]
槽道流動 英文
flow of canal
  • 槽 : 名詞1 （盛牲口飼料或飲料等液體的器具） trough; manger （for water animal feed wine vat） 2 （兩邊...
  • 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...
  • 流動 : 1. （液體或氣體移動） flow; run; circulate 2. （經常變換位置） going from place to place; on the move; mobile
  1. In recent years, plentiful and substantial fruits achieved by the lb method in simulations of hydraulics, multiphase flows, flows in porous media and heat transfer as well as magnetohydrodynamics, have revealed a broad perspective of application of this method, it will become a powerful competitor to the conventional approaches. in order to absorb the recent achievement in theory and application of the lb method, explore new ways in hydraulic computation to promote the development of practice, some work is car ried out in this thesis, as following : advances in the theory research and application, deductive process of the d2q9 model and some other commonly used models of the lb method are summarized. based on the hydrodynamic and general boundary conditions, a new joint boundary condition is presented, it integrates advantage of the two conditions above and obtains very good results in dealing with all kinds of boundaries of flow fields

    為了消化和吸收近年來lb方法在理論和應用方面的新成果，探索在水力計算方面的新途徑以促進lb方法實用化的發展，本文進行了下列研究工作：綜述了lb方法在理論研究和實際應用方面的新進展，以及d2q9模型的推導過程和其他一些常用的模型；在水動力邊界條件和通用邊界條件的基礎上提出了一種新的聯合邊界條件方法，它綜合了上述兩種邊界條件的優點，在流場的各種邊界處理中取得了非常好的效果，經過模塊化的處理以後這種邊界條件具有更好的實用性；針對均勻網格的lb方法計算效率較低的不足，提出了雙重網格的latticeboltzmann方法，通過二維poiseulle流動、后臺階流動和渠道方槽流動三個算例的模擬，證明這種方法能夠明顯地提高流場模擬的計算效率；此外，根據復雜區域流場的特徵提出了latticeboltzmann方法的分塊-耦合演算法，利用lb方法的計算特性實現塊與塊之間的數據交換，充分利用計算資源提高計算效率，通過對「 t 」型、 「十」型和「 x 」型分岔管道流場的模擬，展示了這種演算法的特徵和優點，以及它所具有的應用前景。
  2. Estimation of turbulent kinetic energy dissipation rate in channel flow by piv

    數據估算槽道內湍流動能耗散率
  3. Based on the hydrodynamic energy transport model, the influence of variation of negative junction depth caused by concave depth on the characteristics of deep - sub - micron pmosfet has been studied. the results are explained by the interior physical mechanism and compared with that caused by the source / drain depth. research results indicate that with the increase of negative junction depth ( due to the increase of groove depth ), the threshold voltage increases, the sub - threshold characteristics and the drain current driving capability degrade, and the hot carrier immunity becomes better in deep - sub - micron pmosfet. the short - channel - effect suppression and hot - carrier - effect immunity are better, while the degradation of drain current driving ability is smaller than those with the increase of depth of negative junction caused by source / drain junction shallow. so the variation of concave depth is of great advantage to improve the characteristics of grooved - gate mosfet

    基於能量輸運模型對由凹槽深度改變引起的負結深的變化對深亞微米槽柵pmosfet性能的影響進行了分析，對所得結果從器件內部物理機制上進行了討論，最後與由漏源結深變化導致的負結深的改變對器件特性的影響進行了對比.研究結果表明隨著負結深（凹槽深度）的增大，槽柵器件的閾值電壓升高，亞閾斜率退化，漏極驅動能力減弱，器件短溝道效應的抑制更為有效，抗熱載流子性能的提高較大，且器件的漏極驅動能力的退化要比改變結深小.因此，改變槽深加大負結深更有利於器件性能的提高
  4. A 2 - d hydrodynamic - numerical model was applied to typical rocky rapids called jiyutan by comparing different computational models. based on the comparison of different schemes, the change of the discharge and the flow current in a branch were analyzed, and the relationship between the flow condition and excavation area, scope as well as mode was discussed, the conclusions show : ( 1 ) in a branching rocky rapids, the velocity may be reduced and flow condition can be improved by excavating one channel partly

    本文在對各種數學模型比較的基礎上，應用二維水動力數學模型研究典型石質汊流灘? ?廣西潯江鯽魚灘航道整治工程方案，通過各方案計算結果比較，分析了不同汊道的開挖及汊道內不同開挖面積、開挖范圍以及開挖方式所引起的分流比及工程區域航道水力條件的變化規律，研究結果表明： （ 1 ）對于石質汊流灘來說，在某一汊道通過局部開挖河槽，擴大過水斷面面積，可以達到降低工程段流速、改善局部水流條件的目的。
  5. Because the yili river belongs to plain broad and shallow moving river, the main channel changes greatly and swings to a large range, which leads to river crooked branching river type and s curved, many fork rivers, the river continent and the river beach in river center, alluvial shoal and beach. the width in some section of the river is up to about 3800m. in flood season it causes serious harm to farmland, factories, residents along two sides

    由於伊犁河屬于平原游蕩性寬淺河流，主槽變化不定，擺動幅度極大，河道多呈彎曲分叉河型和s型彎道、多叉河、河心洲，河心灘和沖擊淺灘及邊灘，部分河段河床寬度達3800m ，洪水季節對河道兩岸的田地，工廠，居民等造成極大的危害，素有「三十年河東，三十年河西」之稱。
  6. Finished the following important consulting projects in recent years : ( 1 ) to take charge of and participate in the design of the project of 25 thousand - ton petrol and gas quays of the jiangyin petrol company. ( 2 ) to take charge of and parricipate in the design of the project of 25 thousand - ton petrol and gas quays of zhang jia gang hada company. ( 3 ) to organize the feasibility study on the coastal engineering test hall construction project of nhri. to take charge of and participate in the design of the hall ( a large - size wave basin, 70m long and 50m wide. was constructed in it ). ( 4 ) to organize the project feasibility study of the laboratory of nhri for the basic law research on sediment transport, to take charge of the design of the project, and to participate in the design of the wind and wave flume ( 180m long ), in which the scientific research projects of waterway training works and coastal engineering structures can be carried out under the combined action of wind, wave and current

    近幾年來主要完成以下幾項重大工程： 1 .主持並參與江陰石油公司2 . 5萬噸級油氣碼頭的設計； 2 .主持並參與張家港哈德公司2 . 5萬噸級油氣碼頭的設計； 3 .編寫了南京水科院海岸工程試驗廳可行性研究報告，主持並參與該試驗廳的工程設計，在該試驗廳內建有70米長50米寬的大型波浪水池； 4 .編寫了南京水科院「泥沙運動基本規律研究實驗室」工程可行性研究報告，並主持該項工程設計，參與完成180米長風浪水槽設計，該水槽建成后，可在風、浪、流綜合作用下進行航道整治和海岸工程的科學研究。
  7. Finally, the inlet port and combustion chamber designed and machined is tested on 4100qb. the paper mostly investigates the change of performance targets of the engine that three different grooved chambers including two different re - entrant model and one w model match with various intake port and nozzles, in order to realize the influence of chamber geometry on combustion process. the results analyzed have indicated that re - entrant grooved chambers can enhance the turbulent intension in the chamber, improve the combustion proces of diesel engine on the altiplano, being groove, re - entrant and convex, and have the farther developing potential

    著重研究兩種縮口、一種直口矩形環槽燃燒室與不同進氣道、噴油嘴的組合方案發動機的動力性、經濟性及排放指標的變化，確定燃燒室的幾何形狀對燃燒過程的影響。分析結果表明，由於有矩形環槽、燃燒室縮口以及燃燒室底部凸臺，縮口矩形環槽燃燒室中的紊流得以加強，改善了高原柴油機的燃燒過程，這種燃燒室有進一步發展的潛力。
  8. First the author memorized the yellow river excavation history and concluded development of modern dredging science, and found that most researches of dredging are related to navigation regulation, little used to flood control especially in the yellow river with silty. based on the experiment of generalized physical model of the lower reach of the yellow river, and the study of the loaden flow mechanism and the dredging efficiency, the author get some new ideas as follows : 1

    通過對黃河疏浚的歷史以及現代疏浚工程學的發展進行了回顧和總結，認為已有的疏浚研究大多基於航道疏浚工程，對于防洪疏浚特別是在黃河這種多沙型河流上進行防洪疏浚的研究極為欠缺，本文基於黃河下遊河道概化模型試驗，對疏浚挖槽后水沙運動機理及效果等進行了研究，得到以下認識。
  9. Demonstration and replication effects are refer to the local foreign - funded enterprises which have more than advanced technology and products for local enterprises have a role model ; competitive effects are the increasing pressure that the original foreign bringing to. the situation is that domestic rivals have to raise their technological level ; contact effect refers the direct interaction between enterprises outside purely market transactions, including forward linkages and backward linkages ; effect refers to the movement of foreign - funded training skilled workers 、 managers entering in host country, or foreign - funded staff in the host country having a certain level of technology after the " switch " to domestic enterprises

    示範和模仿效應指由於外資企業有比當地企業更為先進的技術和產品，從而對當地企業產生了示範作用;競爭效應指外資企業打破了市場原有的均衡，增加競爭壓力，迫使國內競爭對手提高技術水平，使國內企業在競爭中壯大，並引起當地企業的模仿;聯系效應指的是純粹的市場交易以外的企業間相互影響的直接關系，它包括向前聯系和向後聯系;人員的流動效應指的是外資企業培訓的技術工人、管理人員進入東道國國內;或東道國內的外資企業工作人員在掌握了一定的技術水平后經過「跳槽」后為國內企業服務。
  10. This paper is consisted of two major parts : one deals with the general working performance of the fmghp by setting up mathematic model and developing computer procedure, getting the datum related to the capillary flow and heat transfer, analysing the working characteristics of fmghp in different working temperature, heat flux and inclination angle etc. in this part, the prediction of capillary and boiling limit are also included. the other major part studies the flow and heat transfer characteristics in the micro - film region formed by the meniscus attached on the metalic fin in the micro rectangular groove. investigations on the influence of width of groove and other factors on heat transfer in this region have been made. the importance of this micro - region in the heat transfer of the entire heat pipe has been unveiled. the heat transfer characteristics gotten by this research could be used in design and application and also optimization of this kind of fmghp

    本文在大量查閱現有國內外文獻的基礎上，總結並綜合前人有關微槽平板熱管理論研究方面的成果，對單面刻有槽道的微槽平板熱管進行了較為深入和細致的研究。本文的研究共分兩大部分，其中第一部分考察了該型熱管的整體工作表現，通過建立數學模型和開發相應的計算程序，得到了熱管內部毛細流動和傳熱的數據，分析了熱管在不同工作傾角、不同加熱熱流以及不同工作溫度等情況下工作特性的變化規律，考察了汽液界面上的剪切作用對熱管傳熱量的影響，並且進一步在理論上預測了該型熱管的毛細和沸騰極限。
  11. A flap vlave used in pumping station is a kind of hydraulic - operated automatic gate, which is similar to a hinged check vaive. because of their simple structure and reliability, being able to shorten the length of outlet passage and facilitate the starting of pumping system in comparison with siphonic vacuum - distroied cutoff scheme. so it is propitious to be used and save investment but at the same time, flap valves always show some disadvantage

    因拍門簡單、可靠，與虹吸真空破壞截流閉鎖方式相比，可以縮短出水管道（流道）長度，並利於泵系統起動，與快速閘門相比，拍門也有諸多優點，閘門門體易關閉不到位或卡住不能活動，因為門槽和?塊較軸孔容易殘留異物，閘門門體克服滑動阻力不僅無機械增益，且阻力和動力不在一直線上，門體易傾斜而自鎖，而拍門的工作可靠性則遠高於快速閘門。
  12. The direct numerical simulation methods for turbulent spots in the channel, open - channel and boundary layer flows are built respectively. effective algorithms composed of time - advancing, over - relax iteration and multiple grid methods are planned to raise computational efficiency

    分別建立了適用於在槽道、明渠和平板邊界層流動中直接模擬湍斑的數值方法，並精心設計了時間推進、超鬆弛迭代和多重網格等高效演算法，以提高計算效率。
  13. Analysis of gaseous slip flow and heat transfer in micro rectangular channels

    微矩形槽道內的氣體滑移流動和傳熱分析
  14. Experimental study of flow and heat transfer in heat exchanger with small channels

    微小槽道散熱器流動與換熱實驗研究
  15. Mechanism of drag reduction by spanwise wall oscillation in turbulent channel flow

    壁面展向周期振動的槽道湍流減阻機理的研究
  16. The resonant three - wave model and laminar - turbulent velocity profile composed are used as a model of coherent structures in. turbulent flow. the forming and variation of turbulent coherent structures in the channel are simulated by the compact differential method with high accuracy and resolution derived in this paper

    以共振三波和層-湍復合速度剖面作為湍流相干結構模型，採用文中所導出的高精度、高解析度的緊致差分方法，模擬了槽道流動在近壁區域湍流相干結構的形成和變化。
  17. Research on traits of flow and heat transfer of inner single - phase water in micro - channel

    凹槽通道中脈動流動強化傳質的數值研究
  18. And the conclusion is that vita method is a more reasonable method in burst detection when the threshold value is between 0. 7 to 1. 0. in order to investigate the influence of transverse curvature of the wall, the direct numerical simulated data bank of turbulent channel flow is also analyzed. the mean velocity profile in pipe and channel flow is compared

    本文還對圓管和槽道內的猝發事件進行了分析，得到的圓管和槽道內的猝發周期大致是相同的，但是在猝發的強度上槽道要大於圓管；並且進一步的分析表明猝發強度的差別主要在於徑向速度的差別，這說明壁面橫向曲率對于徑向的流動影響較大，而對流向流動幾乎沒有影響。
  19. Analysis of heat transfer for gas slip flow in triangular micro - channels with uniform heat flux

    定熱通量加熱下微三角形槽道中滑移流動的換熱特性
  20. The numerical models with the wall impulse as initial perturbation of turbulent spots were proposed. the above compact difference systems are used in the several typical flows, such as. the channel, open - channel and boundary layer flows the various complicated boundary conditions satisfying n - s equations are carefully conducted

    建立了以壁面脈沖為初始擾動的湍斑數學模型，並將導出的navier - stokes方程的緊致差分方程組應用於槽道、明渠和平板邊界層等典型流動，提出了嚴格滿足navier - stokes方程的邊界條件。
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