河道模型 的英文怎麼說

中文拼音 [hédàomóxíng]
河道模型 英文
model of river
  • 河 : 1 （天然的和人工的大水道） river 2 （指銀河系） the milky way system; the galaxy 3 （特指黃河） t...
  • 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） ...
  • 模 : 模名詞1. （模子） mould; pattern; matrix 2. （姓氏） a surname
  • 河道 : river course; streamway; covalency; runway; cut; river channel河道變遷 channel change; migration ...
  • 模型 : 1 （仿製實物） model; pattern 2 （制砂型的工具） mould; pattern3 （模子） model set; mould patter...
  1. Qualitatively similar results were obtained by ahmad (1953b)in a model study of a river barrage or weir.

    阿赫麥德（1953b）在河道的閘壩模型研究中得到了定性的相同結果。
  2. By the calculating of the distorted models and the undistorted model of the circumfluence, the effect of the distortion ration on the flow is analyzed

    採用平面二維模型，在數學模型的基礎上，計算變率使河工模型彎道水流在相似性上產生的影響。
  3. Flood routing models in confluent and dividing channels

    分流河道洪水演進模型及其應用
  4. Based on studying of the unequal rainfall in space - time and the asymmetry physical geography parameters in space, which can influence the process of the runoff, this paper puts forward a sort of slope conflux and watercourse conflux simulating model based on grid, and that gains flux at random time and grid in basin

    本模型針對降雨時空分佈不均勻與下墊面自然地理參數空間分佈不均勻，對產匯流形成過程的影響，提出了一種基於柵格的坡面產匯流與河道匯流的數值模擬模型。
  5. This thesis numerically modeled the current hi the outfall reach of a new floodway, and provide the scientific basis for the layout and design

    本文主要針對淮河入海水道河口段，利用數學模型研究其水流狀況，為工程規劃和設計提供科學依據。
  6. Some researchers have made study on this subject, such as the generation and evolution of frazil ice, shore ice, bottom ice, ice cover and ice jam, the resistance of freeze - up river, flow capacity and variation of water stage

    國內外一些學者通過原型觀測，試驗和數值模擬的方法對水內冰，岸冰，底冰，冰蓋和冰塞的生成和演變，封凍河道的阻力、過流能力和水位變化等有關問題進行了研究。
  7. Through the study above, a refined description and modeling to flow field and water surface near the groyne in river is conducted with 2 - d and 3 - d mathematical models. the results by simulation are consistent well with experiment data

    通過上述研究，作者採用二維和三維數學模型對水槽試驗和天然河道中丁壩附近流場和水面形態進行了精細地描述和模擬，計算結果和實測結果吻合良好。
  8. The result is that this gas pool has simple structure, only forms a little nose - like structure at the district of fenghuangshan ; this pool belongs to delta front sub - facies sedimentary model, the underwater distributary channel and mouth bar is the better sedimentary microfacies ; the physical property of the reservoir is poor, the type of pore of the reservoir rock mostly are intergranular pore, intergranular solution hole and little are intercrystalline micropore ; the influential factors of pore structure and physical property are lithofacies, lithologic character and diagenesis ; the off - take potentia of all the testing well are deadly shortness, the wells have the worth of industrial recovery only under the condition of going through sand fracturing, and in the early of binging into production, the oil and sheath pressure drop rapidly, the production of the well drop rapidly

    研究認為該氣藏構造簡單，只在鳳凰山形成了一個小型的鼻狀構造；屬於三角洲前緣亞相沉積模式，水下分流河道和河口壩是有利的沉積微相；儲層物性差，儲層巖石的孔隙類型主要有粒間孔、粒間（內）溶孔及少量晶間微孔；影響蓬萊鎮組氣藏儲層孔隙結構及儲集性的因素有巖相、巖性條件及成巖作用；所有測試井自然產能都極低，必須經加砂壓裂后才有工業開采價值，且投產初期，油套壓下降較快，氣井產量下降迅速。
  9. In the paper, river and the downstream area of dike are regarded as a whole system, and hydraulic model of coupling 1 - d river and gradual dike - break is established, therein the preissmann implicit difference scheme is applied to main river, and the fvm ( finite volume method ) is applied to the breach and polder

    本文將河道與堤壩下游區域視為一個整體，對于單一河道採用preissmann四點隱式差分格式計算，對于潰口及圩區採用有限體積法，建立了一維河道與堤壩漸潰耦聯的水力模型，也是一維、二維耦合的水流模型。
  10. 1. comparing reservoir beds in details step by step, we have divided and compared the deposition time unit in guan 3 - 6 sandstone bed sets, which has been divided into 20 small beds, 30 time units : rebuilding oil sandstone body data table, building graph database, further analyzing the level and section plane configuration and combination pattern of sandstone, and deducing the maze reservoir geology model of river sandstone, are the most important basis for oil reservoir description and residual oil distribution study

    1 、採用儲層逐級細分對比方法，對館3 - 6砂層組進行了沉積時間單元的劃分對比，共劃分出20個小層、 30個時間單元；重新編制了油砂體數據表，建立了圖表數據庫，並進一步分析了單層砂體平面、剖面形態以及砂體組合模式，總結出河道砂體屬迷宮式儲層地質模型，這是精細油藏描述及剩餘油分佈研究的最重要基礎。
  11. The flow dynamic axis in the distorted models is smoother than that in the undistorted model, while the flow horizontal gradient in the distortion model is smaller than that in the undistorted model

    在河工模型的條件下，選取不同變態模型，對環流進行了計算，研究了變率對彎道水流的相似的影響，並給出了初步分析。
  12. By modeling of " y " - shaped junction of the compound river channel with an intersection angle 90, the flow velocity and water level at the junction were obtained by use of the acoustic doppler velocimeter ( adv ) and point gauges

    摘要通過製作交匯角為90的復式斷面河道" y "型交匯河口模型，利用三維聲學多普勒流速儀（ adv ）和測針獲取流速及水位數據，對支流河口處的水流流態包括水面形態、水流流速和水流分區進行分析。
  13. To provide necessary data for design bypass pipe, an enlargement to bi liu river reservoir, the following problems have been studied by hydraulic model and theoretical analysis : the energy losses in water head of the bypass pipe system and of the flow - control valve and their scale effects, measurement and calculation of the discharge of the bypass pipe system during the bypass pipe system operation with and without the new water power station, the hydraulic characteristics of the water tunnel and draw - off pipe, the flow rate of the aqueduct bridge and the draw - off pipe and the water elevation of the flow in the aqueduct bridge during the old water power station operation with and without the new water power station

    大連市碧流河水庫供水工程取水頭部由引水渡槽、節制閘、進水閘、泄水閘等建築物組成。由於本工程場地條件限制，增設旁通管后布置非常緊湊，管道急轉角度大且轉彎距離較小，對于管內水流流態是否滿足要求，需要經過模型試驗進行論證，以確保工程的可靠性。旁通管具有上水與泄水要求，對其過流能力也要經試驗確定，為碧流河水庫增建旁通管設計提供依據。
  14. When catchment area, average channel gradient and catchment shape factor of designed culvert or bridge are known, a user can be convenient to get local parameters c, e and b from standard contour charts and easy to calculate flood flow just by a calculator. design period of flood flow is enormously shortened as well as a high precision. estimated flood flow through culvert or small bridge by new calculation model is generally less than by traditional methods, so that much cost is cut down a s reducing the span of culvert or small bridge

    以75000km ~ 2的川中丘陵地區為試點研究區，繪制了該地區新模型的參數等值線圖，率定了不同設計頻率的改正系數，使設計者只需在地形圖上獲取集水面積，河道平均坡降和流域形狀系數，在參數等值線圖上查得橋涵所在地的相應參數，使用計算器即可迅速計算出設計流量，大大縮短了設計周期，且精度較高，設計的洪水流量一般低於傳統方法，從而可減小橋涵跨徑，節省投資。
  15. Furthermore, sorting of the sandstones in the braided river is better compared with that of in the meandering river system. in the same subfacies, grain size is larger and sorting is better in the channel sandstones which developed with large - scale cross - beddings such as trough cross - bedding, compared with sandstones in the flood microfacies. in the same microfacies, better sorting and coarser grained sandstones are distributed in the middle and lower part of the unit

    與曲流河亞相相比，辮狀河亞相砂巖的粒度較粗，分選性較好，砂體多次疊置而規模更大；相同河流亞相的河道微相與泛濫平原微相相比，前者的砂巖粒度較粗、分選性較好，發育槽狀交錯層理等大型層理構造；在同一微相內，處于中下部的流體單元其粒度較粗，分選較好。
  16. In an actual case of the numerical modeling on the flood of both the north branch and the mid - downstream of daqing river in haihe river hasin, the flood is simulated with one - dimensional model, in which flood regulation of the retarding basin, the discharge gate control and the infiltrations of the northern rivers are considered

    在海河流域大清河北支及中下遊河道洪水數值模擬的實際工作中，應用了一維河網模型進行洪水的模擬計算，並根據實際情況加入了蓄滯洪區調度、泄洪閘控制調度以及近年來北方河道入滲的特點等條件，計算效果良好。
  17. Through checking computations, it was shown that the analogue accuracy of the model was quite high, which can provide important basis for scientific decision - making on engineering measures. through analogue calculation and analysis of many regulation schemes, it was shown that combining the diversion weir works with the bed fixing works at the south branch is reasonable and feasible in the implementation of loushuikouzi river regulation works. in addition, it is suggested that the bed fixing works at the south branch should adopt the improved compound section scheme

    經對多個整治方案的模擬計算與分析，表明漏水口子河道整治採用分流魚嘴工程和南汊固床工程相結合的整治工程措施是合理可行的，通過模型計算研究還提出了南汊固床工程採用復式斷面形式的改進方案建議，該方案保證了南汊枯期通航和不斷流，而且對南汊及撫遠鎮的保護具有正面作用。
  18. Abstract : variation of flow condition caused by the multi - pur pose regulation schemes has been investigated on the basis of measured date in r iver model. flood - control of the upper river, operation of the power - station, saf ety of the bridge and power - station, navigation and evolution of the river are a nalyzed. a reasonable and feasible project alternative and the improvement measur ement are proposed

    文摘:涪江潼南河段防洪整治是一項以防洪為主體的綜合性河岸整治工程，在平面二維數值模擬計算的基礎上再進行河工模型試驗，比較分析各防洪整治方案下潼南河段水流條件的變化，及其對上游防洪、河道、大橋、電站、航運、河勢的影響，提出合理可行的工程方案
  19. Using the 1 - d rivernet model calculates the water discharge ratio of the two branches and also duplicates the back - flow in the north branch during flood tide. the 2 - d model with a fine grid is applied to the field of flow in the changjiang estuary and the results are well in agreement with the measured flow

    同時利用河網模型對長江口分汊河段進行一個月的水流模擬，並獲得了長江口南北支分流比，復演出北支漲潮時水體倒灌轉流現象，解決了河網模型用於分汊河道潮汐水流模擬的問題。
  20. The extreme effects of sand mining on local deformation of riverbed and evolution of river stretch in typical river sections such as straight river section, river bend and river fork are experimentally studied in micro - scale loose bed hydraulic model

    摘要採用微尺度動床河工模型試驗的方法研究了在順直、彎道與分汊等典型河道不同部位進行大規模采砂對河床局部變形及對河段變形的極限影響。
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