流動水槽 的英文怎麼說

中文拼音 [liúdòngshuǐcáo]
流動水槽 英文
flow channel
  • : 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...
  • : 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...
  • : 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...
  • 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
  • 水槽 : water channel; trough; pentrough; mantle; water slide (運木材用); cistern; scoop channel; gulle...
  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、后臺階和渠道方三個算例的模擬,證明這種方法能夠明顯地提高場模擬的計算效率;此外,根據復雜區域場的特徵提出了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. We can use the mm5 model in definite time, definite area weather forecasting. we conclude that : : the moving route of this necw in its developing progress was direct - south along latitude, the cold air is rough, and just this made the rough vertical velocity ; the necw southern moving and conflicting with the west pacification sub - tropical high makes rough jet steam. the plenty south - west warm and wet air made by the jet stream gave the rainstorm demanded vapor ;. the rough vertical velocity by jet stream is a main reason in this rainstorm ; the mm5 model uses four - direction analysis data as its input, this avoids some errors occurred in observe and transfer, thus made the result more useful

    綜合分析認為: ( 1 ) 、這次冷渦在其發生發展過程中,其移路徑是沿經圈直線南壓,攜帶的冷空氣勢力較強,形成后較強的垂直運; ( 2 ) 、西太平洋副熱帶高壓偏北位置與東北冷渦南壓形成的急軸,把源源不斷的西南暖濕氣輸送到遼西地區,也就是急軸的左前方位置,為這次暴雨的產生提供了充足的汽來源; ( 3 ) 、低空急不但為暴雨輸送汽,其造成的較強的垂直環也是產生強降的一個主要原因; ( 4 ) 、 mm5模式以四維同化資料作為初始場,最大限度地避免了觀測誤差可能造成的積分不穩定,提高了模擬結果的參考價值。
  3. The summer rainfall anomaly of north china is closely related to indian low, west pacific subtropical high, westerly troughs and ridges in mid - latitude, south asia high, subtropical monsoon circulation and cold air activity on the corresponding period, and similar circulation pattern also appears in the preceding spring

    結果表明: ( 1 )華北夏季降異常與同期印度低壓、西太平洋副高、中緯度西風脊、南亞高壓、副熱帶季風環和冷空氣活的異常都密切相關。華北夏季降異常年春季的環特徵與夏季類似。
  4. Only the method for using backwater expression can predict the variation of water surface near the spur dike very well. numerical simulations of the flume experiment cases are carried out with the standard k - e turbulence model

    隨后採用標準k一e紊數學模型,依據試驗資料,數值模擬了繞壩和漫壩兩種情況下過程。
  5. In this paper, some characteristics of flow movement and sediment transport are analyzed by using the flume experiment data. the cross section of compound channel can be divided into four regions : the undisturbed region in main channel, the interactive region between channel and plain, the undisturbed region in flood plain and the boundary region. in the undisturbed regions, the distribution of longitudinal velocity along the depth has the feature of lograithmic. whereas, in the interactive region, the longitudinal velocity does not obey the logarithmic distribution law, but it can expressed as a revised logarithmic function by using a wake function. on the basis of the kinematic equation the velocity distribution of transverse velocity is obtained. in the boundary region, the longitudinal velocity obeys the law of parabolic distribution. furthermore, according to the simplified diffusion equation, the transverse distribution of sediment concentration in the interactive region is deduced. the analysis is in good agreement with the measured data

    本文根據漫灘的運特點,將漫灘的復式斷面分為主平衡區、灘交互區、灘地平衡區及邊壁區等4個區,並給出了各區寬度的經驗公式.根據灘交互區垂線速分佈的變化特點,提出了附加尾函數的對數速分佈公式.在簡化方程和泥沙擴散方程的基礎上,對灘交互區內垂線平均速及含沙量沿橫向分佈進行了理論分析,提出了反映灘量交換強度的橫向渦量粘性系數及橫向擴散系數的表達式,得到了漫灘垂線平均速及含沙量沿橫向分佈的解析解,並與實測資料吻合較好
  6. Mold temperature is controlled by water flow in cooling channels.

    模具溫度可用冷卻來控制。
  7. 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,應用二維力數學模型研究典型石質汊灘? ?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比及工程區域航道力條件的變化規律,研究結果表明: ( 1 )對于石質汊灘來說,在某一汊道通過局部開挖河,擴大過斷面面積,可以達到降低工程段速、改善局部條件的目的。
  8. 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米寬的大型波浪池; 4 .編寫了南京科院「泥沙運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米長風浪設計,該建成后,可在風、浪、綜合作用下進行航道整治和海岸工程的科學研究。
  9. Pressure drop of flow of pam aqueous solution in concentric annuli with isometric ring slots on the inner cylinder

    聚丙烯酰胺溶液在內管帶有等距環的同心環空中的壓降
  10. In this thesis, first, reasons and factors for the stability of loose rock dams were summarized according to the field surveys and certain expert ' s experiences. then, researches on block stability problems were reviewed, and according to the relationship between grain size and incipient velocity, it is found that the block weight is in direct proportion to 6 - 9 power of incipient velocity, and 50 % increase of the velocity will result in about 40 times change of the block weight. after that, experiments were conducted in a flume, focusing on the relationship between incipient velocity and some main factors including block weight, water depth over the dam, cross - section size, block material and river bed material

    本文首先根據散拋石壩損毀情況的現場調查資料,結合有關專家多年的整治經驗,總結出壩體的損毀原因及影響因素;對現有塊體穩定性的研究成果進行回顧和總結,並針對散拋石壩的直接損毀現象,結合山區河、地形特點,利用塊體粒徑與起速的關系,提出塊體穩定重量與起速高次方成正比的概念,速50的增長可能導致塊體穩定重量接近40倍的變化;通過二維變坡試驗,研究了壩體穩定的主要影響因素,包括塊體重量、壩頂深、斷面尺寸、塊體材料(塊石和卵石兩種) 、護底等,結果表明對于山區河,試圖僅僅通過增加壩體單個塊體重量或斷面尺寸來提高壩體穩定性效果甚微;最後,根據西部地區的自然、經濟、交通等條件,提出可以採用柔性混凝土鉸鏈體等一類整體性較好的護面層作為散拋石壩的防沖毀措施,以期取得良好的工程效果。
  11. 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平后經過「跳」后為國內企業服務。
  12. Artificial periodic disturbances are introduced to the outer field of turbulent boundary layer in an closed - circuit open water channel. statistical method is employed for analyzing the velocity - fluctuation - time - series. the effect of the disturbance to turbulent structure in boundary layer is studied

    在開口式循環底部湍邊界層外區中引入周期性擾,對湍場的速度脈時間序列信號進行了統計分析,研究了湍邊界層中周期性人工擾對湍結構的影響,結果表明高頻擾的湍中she - leveque簡稱sl湍層次相似律成立。
  13. The purpose of this study is to investigate the formation of liquid falling film and its flow behavior on the surface of a horizontal twisted and fluted tube used in the case of wet flue gas desulfurization, desalination, and so on

    本文從理論上研究了平螺旋管壁面液膜的形成機理及特性,為工業生產過程中高效換熱器的應用提供理論基礎。本文做的主要工作有: 1
  14. The flow regime inside of the tunnel, the characteristics of hydrodynamic load, the hydrodynamic pressure feature at the gate slot and the vent air speed during the shutting of the gate is studied through model test, and then the reliability of the gate, the feature of the vent air speed and the pressure at the gate slot during the shutting of the gate are analyzed based on the test result concerned

    通過模型試驗研究了事故閘門關閉過程中泄洪洞內的態、門體的力荷載特性以及門壓力特性、通氣孔風速,並根據試驗結果分析了該閘門下門過程中的可靠性,通氣孔風速特性和門段壓力特性。
  15. Rush feed turns the filter wheel to remove solids that saves manual washing

    目篩網轉輪,轉輪圓周設有集,收集進使濾網轉達到清除固體物之目的。
  16. In this paper, the spatial structure of the low - speed streaks and particle motion in the near wall region of turbulent open channel flow were observed on the side and bottom of a water flume, respectively, using flow visualization and image processing techniques

    本文以試驗研究為主要手段,採用顯示和圖像處理技術,從底部和側面兩個方向測量,分別對明近壁區的帶狀結構及顆粒運特性進行了系統的試驗研究。
  17. Abstract : the mountain wave induced by a ridge in two - layer stratifiedfliud has been successfully simulated in a tank. the wave pattern is almost the same compared with the linear theory result qualitatively

    文摘:利用不同密度分層的鹽模擬穩定層結大氣條件,在中成功地模擬了兩層大氣分層中二維山脊引起的地形波,得到的波圖像與線性理論模式結果在定性上基本一致。
  18. On the basis of consulting a large number of literatures domestic and aboard, the present situation and latest development of hydrodynamic characteristics of overland flow and slope erosion dynamic process were reviewed. aiming at revealing the effect of rainfall splash intensity on hydrodynamic features of sheet flow and slope erosion, with a combination of runoff experiment and simulated rainfall experiment with a fixed intensity, applying hydrodynamic and erosive theory, the effect of rainfall on overland flow velocity and the influence of rainfall splash intensity on hydrodynamic features ( such as velocity, flow depth, flow patterns, resistance ) of sheet flow on slope and the influence of rainfall splash intensity on the overland flow sediment contain was researched

    本文在查閱了大量國內外文獻資料,全面了解了坡面力學特性及坡面侵蝕力過程等方面的研究現狀及最新進展的基礎上,以揭示雨滴打擊能對坡面薄層力學特性及坡面侵蝕的影響為目標,採用試驗和定雨強模擬試驗相結合的方法,運用力學與侵蝕理論,研究了降雨對坡面薄層速的影響,雨滴打擊強度對坡面薄層速、深、態、阻力等力學參數的影響,雨滴擊濺作用對坡面泥沙含量的影響。
  19. Spur dike is a kind of hydraulic structure that is widely used in channel regulation engineering for controlling the shape of the nature river

    修建丁壩可束,保護岸堤,但也會帶來分離、迴等一系列復雜的現象。
  20. ( 2 ) before and after the frames are placed the velocity vertical distribution in the same cross - section are measured by adv. the results indicate that after the frames are placed the mean velocity and turbulent intensity near bed are reduced, and vertical distribution of turbulent intensity is more uniform

    ( 2 )採用adv超聲速儀對投放框架群前後同一斷面的垂線速分佈測量表明:投放四面體后,不但可以降低近底區的時均速、紊強度,而且均化了紊強度的垂線分佈。
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