sediment transport 中文意思是什麼

sediment transport 解釋
沉積輸運
  • sediment : n. 1. 沉澱(物);沉渣。2. 【地質學;地理學】沉積物。
  • transport : vt 1 運輸,運送,輸送。2 【歷史】處流刑,流放。3 殺死。4 〈常用被動語態〉使心情極度激動,使欣喜若...
  1. Based on the study of sediment transport under the actions of tidal currents and wind waves, a mathematical model of suspended load and bed load for yangtze estuary is developed

    摘要通過對長江口徑流、潮流和波浪共同作用下的泥沙運動規律的研究,開發並建立了長江口全沙(懸沙和底沙)數學模型。
  2. The processes of surface elevation, current velocity in the compound fluid model and suspended sediment concentration in the suspended sediment transport model are verified by observed data of many stations in flood / dry season and in spring / middle / neap tide

    復合流場模型的水位過程、流速過程,以及懸沙模型的含沙量過程則經過了洪、枯季及大、中、小潮的多個站點的實測過程驗證。
  3. The weser estuary in germany, with broad beaches, lots of sand bars and many tributaries, is characterized with a great quantity of sediment transport due to tidal current ' s movement in the fluvial bed of fine sediment

    摘要德國威悉河口灘地寬廣,有無數的沙洲和許多大的分流,潮流在主要為細沙的沖積河床中運動,泥沙輸移量極大。
  4. Meanwhile, calibration and verification of this generalized equation is done by using of a lot of measured data. the precision of 31 sediment transport equations, have been compared by using more than 5000 sets of measured data. the results show that among these equations, equations of this paper, karim - kennedy, engelund - hansen, ackers - white, brownlie, peterson - peterson, basson, yang, wang shiqiang, et al.,

    利用超過5000組資料,比較了包含本文公式在內的31種輸沙強度計算公式在計算天然均勻沙時的精度,結果認為本文公式、 karim - kennedy 、 engelund - hansen 、 ackers - white 、 brownlie 、 peterson - peterson 、 basson 、 yang 、王士強等公式是幾個值得推薦的輸沙公式。
  5. Suspended and bed load transport were simulated with a non - equilibrium method. the source treatments in sediment transport equations, suspended load carrying capacity of the non - uniform material and exchange of size - distribution of the bed material are presented. 5

    二維懸沙和底沙運移採用不平衡輸沙模式,分析輸沙方程的源項處理以及非均勻沙分組挾沙能力和床沙級配調整。
  6. Measurement of liquid flow in open channels - sediment transport - sampling and analysis of gravel bed material

    明渠流量測量.第10部分:沉積物夾帶.第10e節:礫石河床材料取樣和分析
  7. Measurement of liquid flow in open channels - sediment transport - guide to methods of sampling of sand - bed and cohesive - bed materials

    明渠流量測量.第10部分:泥沙挾帶.第10c節:砂床和粘性河床材料取樣方法導則
  8. Yellow river estuary is typical weak tide and high sediment deposition estuary, the yellow river sediment transport and settling deposition process is the capital factor to determine estuary evolvement characteristics. any method provided for estuary management, there is no exception to have tight relationship with estuary sediment transport and settling deposition process. this paper summarized the yellow river estuary basic characteristics firstly, point out existing problem in this research domain

    黃河河口系典型的弱潮多沙堆積性河口,黃河河口泥沙的輸移擴散和沉積過程是決定河口演變發展特徵的首要因素,黃河河口任何一項治理措施的提出,無一例外均與河口泥沙的輸移和沉積分佈狀況存在密切關系本文首先對黃河河口的基本特性進行了概括總結,在簡略回顧黃河河口泥沙輸移與沉積的有關研究成果的基礎上,指出了當前在此研究領域內存在的問題。
  9. Analyze the yellow river estuary sediment transport and distributing affected factors, utilize the field measured data, based on the hydraulics, river hydrodynamic and statistics fundamental theory, analyze the estuary sediment transport and settling deposition regulation, yellow river estuary gate area sediment deposition mechanism and estuary delta coastline dynamic balance, and some important achievements acquired

    研究報告分析了黃河河口泥沙輸移和分佈的影響因素,利用實測資料,運用水力學、河流動力學、統計學等基本理論和原理,對河口泥沙輸移及其分佈規律、黃河河口口門區域泥沙沉積機理以及河口三角洲岸線的動態平衡問題進行了分析探討,並取得了部分重要認識和進展。
  10. Study on sediment transport in the lower yellow river during flood period

    黃河下游洪水的泥沙輸移特徵
  11. 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

    本文根據漫灘水流的運動特點,將漫灘水流的復式斷面分為主槽平衡區、灘槽交互區、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.根據灘槽交互區垂線流速分佈的變化特點,提出了附加尾流函數的對數流速分佈公式.在簡化水流運動方程和泥沙擴散方程的基礎上,對灘槽交互區內垂線平均流速及含沙量沿橫向分佈進行了理論分析,提出了反映灘槽水流動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,得到了漫灘水流垂線平均流速及含沙量沿橫向分佈的解析解,並與實測資料吻合較好
  12. 8. a simplified 3 - d natural river flow and sediment transport model is developed based on hydrostatic pressure distribution. the model has been applied to investigate the 3 - d flow and suspended - load transport in nanjing river reach with two branches

    ( 8 )天然三維水流泥沙簡化數值模型,成功地模擬南京某河段水流運動和多分汊河道水沙計算,結果可靠並滿足精度。
  13. Measurement of liquid flow in open channels - sediment transport - measurement of suspended sediment

    明渠流量測量.第10部分:泥沙挾帶.第10b節:懸浮泥沙測量
  14. Although the patterns of residual currents are likely to reflect the patterns of fine - grained sediment transport, it is difficult to relate such patterns to the transport of coarse - grained sediment

    然而余流的趨勢雖有可能反映細顆粒沉積物輸運的最大概率方向,卻難以與粗顆粒沉積物的輸運對應起來。
  15. Based on the relative data of density flow in xiaolangdi reservoir in flood period of 2001, and through analyzing on water - sediment condition of density flow formed and movement element of density current, the common movement law and special phenomenon on forming, operating and discharging sediment of density flow in xiaolangdi reservoir have been clarified in this paper. the relationship of sediment transport of density flow has been explored combining with theory analysis and formula deduction

    本文主要依據2001年洪水期小浪底水庫異重流的有關資料,通過對形成異重流的水沙條件、異重流運動要素的分析,闡明了小浪底異重流的形成、運行和排沙等方面的一般運動規律和特殊現象,結合理論分析和公式推導,探討了異重流輸沙關系。
  16. 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。
  17. An expression is derived using basical concepts of physics ( i. e. mass conservation ), to define the relationship between sediment transport rate and vertical flux of sediment to the seabed

    從基本的物理概念和物質守恆定律導出了海底沉積物通量的計算表達式,應用該式取得了與實際海域相符的海底沖淤分布圖。
  18. According to dou guoren ' s similarity theory of total sediment transport modeling for estuarine and coastal regions, a generalized physical model of the north - trough of the yangtze river estuary deep channel is designed

    摘要根據竇國仁波浪潮流共同作用下的全沙模型相似理論,設計了長江口深水航道北槽概化物理模型。
  19. In order to calculate depth - averaged two - dimensional ( 2 - d ) suspended sediment transport under waves and currents in the yangtze estuary, a numerical model system is developed. four models, a 2 - d compound fluid model including wind, waves, tides and river runoff, a swan wave model, a wave - current bottom boundary layer model and a 2 - d suspended sediment transport model are integrated

    本文建立了一個用於波?流共同作用下長江口平面二維懸沙計算的數值模型系統,主要由四部分組成,即考慮風、浪、潮、徑流的二維復合流場模型、 swan海浪模型、波?流相互作用的底邊界層模型以及二維懸沙輸運模型。
  20. Abstract : the nearshore around the nanhui spit is a transitional zonebetween the yangtze estuary and the hangzhou bay with complicated dynamic conditions, sediment transport, sedimentological processes and morphological evolution

    文摘:南匯咀近岸水域位於長江口和杭州灣的交匯帶,其動力條件、泥沙運移、沉積過程和地貌演變復雜。
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