流水河槽 的英文怎麼說
中文拼音 [liúshuǐhécáo]
流水河槽
英文
active channel- 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...
- 水 : 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...
- 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...
- 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...
- 流水 : 1 (流動的水) running water; stream2 (舊時指商店的銷貨額) turnover (in business)流水搬運作用...
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Thus, alluvial channel flows are simultaneously sculptor and sculpture.
這樣,沖積河槽水流既是塑造者,同時又是被塑造者。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。Focused development of river and sewer systems in coordination. promotion of development of areas featuring permeable pavements and installation of sewage tanks in collaboration with the private sector
以河流和地下水協調發展為焦點,與民間合作,促進以可滲透的人行道和污水存儲槽為特徵的地區開發。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。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。The main measures are : damming improving flow condition riverbed excavation etc. riverbed excavation is always used in reducing velocity of a channel with bad flow condition. in singularity channel, velocity can be reduced with the increase of crossing area by excavating riverbeds
整治採取的主要措施有:築壩壅水、改善流態、開挖河槽等等,對于流態惡劣的急流灘,常採用開挖河槽擴大過水斷面面積的方法來降低航道流速。The problems from sediment discharge for de - siltation and the relative stability of fiver channel can be solved through the study on the main indexes such as flow rate, silt concentration and etc. based on the analysis of sediment - carrying capacity of flow and the law of river channel evolution
在分析水流挾沙力和河槽水力形態規律的基礎上,研究調水調沙的流量、含沙量等主要水沙指標,可以解決河道輸沙減淤和河槽相對穩定問題。The test results show that the water - sediment regulation can reduce aggradations of the channel, increase its flowing capacity and improve the sediment delivery conditions of the channel in the lower river
分析結果表明,調水調沙不僅能夠減少河道淤積,而且能夠有效增大主槽的過流能力,改善下遊河道排沙條件。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。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。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,結合山區河流的水流、地形特點,利用塊體粒徑與起動流速的關系,提出塊體穩定重量與起動流速高次方成正比的概念,流速50的增長可能導致塊體穩定重量接近40倍的變化;通過二維變坡水槽試驗,研究了壩體穩定的主要影響因素,包括塊體重量、壩頂水深、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流,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。Effects of maintenance and raise of water level at yichang station by river bottom protection and roughness addition method and pool back - fill method in the reach from yichang to zhicheng of the changjiang river are calculated and compared by using a 2 - d flow numerical simulation method
摘要運用二維水流數值模擬方法,計算比較了在宜昌枝城的長江河段內選取重點控制河段,進行護底加糙及回填深槽對維護並抬高宜昌水位的效果。( 2 ) a series of experiments on time scale distortion are made with real river model, inflow and outflow boundary condition, and continuous simulation. by means of analysis of the experimental data on model water level, water - surface gradient, cross velocity, outflow discharge process and the sediment transportation capacity, the main physical reasons for the above hydraulic parameters deviations caused by time scale distortion are illustrated : response delay of model channel storage capacity and rate of water level with time
( 2 )採用真實的河工模型和入出流邊界控制條件以及連續模擬的方法進行了有關時間變態率的系列試驗,通過模型水位、比降、流速、出口流量過程線和斷面挾沙力試驗資料的分析,闡明了時間變態引起上述各種水力參數偏離的主要物理原因:模型的槽蓄響應和洪水過程時間變化率的響應滯后。Abstract : variations of flow pattern, flow velocity in deep poo l and side bar, mainstream thread, and water surface, caused by excavation project, are investigated by two - dimensional mathematical model in an orthogonal curvili near coordinate system. the change of bed - load transport rate, and redeposition r ate are predicted. the influences of the excavation project on navigation are ana lyzed. grid - type and flat - type excavation alternatives are proposed and discuss ed
文摘:採用正交曲線坐標系下的河道平面二維數學模型,研究了嘉陵江何家磧邊灘采砂后河道流勢、流態、灘槽流速、主流位置、水面高程及比降的變化規律,預測了采砂方案完成後卵石推移質輸沙率變化及其對航道的影響,並對格形開挖和平整開挖方案進行了比較分析All negative landforms, which are shaped by flood - dominated current, such as souring hole, scouring channel and flood channel, are belong to the study area of flood channels
通過以上的研究認為河口漲潮槽的概念應該有更為廣泛的含義,包括河口一切由漲潮流作用為主形成的負地形,如漲潮沖刷坑,漲潮沖刷槽和漲潮水道等,漲潮槽的特徵應該保持多年。The width of main channel would influence the water level rising rate greatly in flood events. when the discharges in main channel increased to 8000 m ' / s from 3000 m3 / s the water rising amplitude at hydrometer stations in the lower yellow river was correlative well with the exponent ( - 0. 65 ) of main channel width and the exponent ( - 0. 33 ) of river longitudinal slope
洪水期主槽寬度對水位漲率有較大影響,主槽流量從3000m ~ 3 s增大到8000m ~ 3 s時,下游各水文站斷面水位的抬升幅度與主槽寬度的( - 0 . 65 )次方和河道縱比降的( - 0 . 33 )次方具有較好的相關關系。The large water conservancy engineering transporting water from south to north will relieve the lack of water resource of north - west and north - china regions. it has been wrote into " tenth five - year plan " of china. as a building spanning rivers to transport water, large - scale aqueduct plays an important role in this water conservancy engineering
南水北調水利工程是為緩解我國西北及華北地區水資源缺乏而將興建的大型水利工程,現已列入我國「十五」發展計劃,其中大型渡槽作為跨越河流等的輸水建築物在南水北調水利工程中佔有重要地位。Analyses of the monitored seepage data of the sand case dam with clay core of jilihe reservoir show that the impervious effect of the clay core is good, that the blanket in the front of the dam has little impervious effect, and that seepage failure will probably take place because of the weak cutoff groove and the large seepage gradient
摘要對吉利河水庫粘土心?砂殼壩的滲流觀測資料分析表明,該壩粘土心?的防滲效果較好,但壩前鋪蓋沒起到防滲作用,且截滲槽較薄弱,滲透比降較大,可能發生滲透破壞。Influenced by flood dominated current in the flood channels, the characteristics of surface sediments, such as grain size, light and heavy minerals, micro - paleontology and magnetism in the flood channel are very different from those in the ebb channels, this kind differences is the response for complex hydrodynamic in estuary
河口漲潮槽在漲潮優勢流作用下,槽內表層沉積物的粒度、輕重礦物、微體古生物和磁學等特徵不同於落潮槽相應的沉積特徵,體現了沉積物的分佈對河口復雜水動力的響應。分享友人