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- The arrow indicates direction of sediment transportation. 箭頭表示沉積物的搬運方向。
- The rate of longshore sediment transport is calculated based upon a CERC formula and use of 1977-1979 wave data. 利用1977-1979年波浪觀(guān)測資料和CERC公式計算沿岸輸沙率;
- The bed evolution of Oi River in Central Japan is studied with a 1-D numerical model of sediment transport. 摘要利用一維的泥沙數值模型研究了位于日本中部的大井河河床變動(dòng)情況。
- Depth-Integrated Bidimensional Model of Suspended Sediment Transport[C]。Proc. of the 3rd Int. 長(cháng)江口攔門(mén)沙沖淤及懸沙沉降規律研究和水流鹽度泥沙數學(xué)模型[D]。
- The coupled and uncoupled models used in this study have the same governing equations, sediment transport formula and the numerical scheme. 就測試結果顯示,分離模式有穩定性的問(wèn)題,需同時(shí)考慮多個(gè)參數才能確保模擬結果的穩定性和精確性,耦合模式則沒(méi)有穩定性的顧慮。
- The instantaneous sediment transportof suspended and bed load are computed, and the sediment transport rates are time-averaged over one wave period. 計算了波浪周期內各個(gè)時(shí)刻瞬時(shí)的懸移質(zhì)和推移質(zhì)泥沙輸沙率,并對輸沙率進(jìn)行時(shí)間平均求得時(shí)間平均的輸沙率。
- From data analysis of field survey and numerical model,wave and wave induced sediment transport of Gwadar Harbor is studied. 通過(guò)資料分析、現場(chǎng)勘察和數學(xué)模型,對瓜達爾港的波浪及波浪輸沙問(wèn)題進(jìn)行了研究。
- But the flow field characteristics of the Sand Funnel and its mechanism of sediment transport are not yet fully understood heretofore. 排沙漏斗是一種新型的泥沙處理技術(shù),以其截沙率高,耗水率小等優(yōu)點(diǎn)已廣泛應用。
- The nominal diameter has little significance in sediment transportation. 等容粒徑在沉沙輸移中意義不大。
- Longshore sediment transport rate of Shijiu Bay is calculated with the formula of Seaport Hydrology Criterion and the CERC formula of Shore Protection Manual. 采用我國《海港水文規范》公式和美國《海岸防護手冊》的CERC公式對石臼灣的沿岸輸沙率進(jìn)行計算;
- The synthetical analysis of the quantitative and qualitative results indicates that longshore sediment transport rate in the sea area is weak and will not creat s... 綜合定量計算與定性分析的結果,長(cháng)興島海域沿岸輸沙屬于微弱型,對港口建設無(wú)大礙。
- 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(guò)對長(cháng)江口徑流、潮流和波浪共同作用下的泥沙運動(dòng)規律的研究,開(kāi)發(fā)并建立了長(cháng)江口全沙(懸沙和底沙)數學(xué)模型。
- The authors hope that this paper can catch the researchers" and engineers" attention to sediment transport in sewer, and has the effect of throwing out a minnow to catch a whale. 并希望能引起我國科研和工程界對排水管道泥沙問(wèn)題的重視,達到拋磚引玉之效。
- The advection-diffusion equation and the conservation of sediment mass are utilized to compute the sediment transport and the change of seabed topography. 論文還以描述懸移質(zhì)泥沙運動(dòng)的對流擴散方程和泥沙質(zhì)量守恒方程為基本方程,計算了泥沙運動(dòng)和海床變形。
- The result shows that the advection is the main factor to affect the suspended sediment transport, and the tidal pumping effect also plays an important role. 結果表明,懸沙凈輸移以平流作用占優(yōu),“潮泵效應”項在懸沙輸移中也相當重要;
- Numerical model for simulating unsteady flow and non-equilibrium sediment transport in the mainstream and its tributaries at the TGR was presented in this paper. 利用三峽水庫蓄水后實(shí)測資料對所建模型進(jìn)行驗證,計算結果與實(shí)測資料符合良好,表明該模型能夠模擬三峽庫區干支流河道非恒定的水沙演進(jìn)過(guò)程和河床沖淤變形規律。
- Abstract: Flocculation and deflocculation of fine sediment play an important role in soil structural stability, agrochemical compounds movement and eroded sediment transport. 摘 要: 細顆粒泥沙的絮凝-分散對土壤結構的穩定性,土壤中農用化合物的遷移以及侵蝕泥沙的輸移、沉積有重要作用。
- The conclusions are significant to study the mechanism of sediment transport over wavy beds such as sand waves, ripples and dune for the coastal environment. 這些結果對于探討淺海區沙波、沙紋和沙壟等波狀底床上泥沙輸移的力學(xué)機制是很有意義的。
- Sediment transport may not pump more water or mud. Flooding electric motor cavity should be kept clean-up of sand, the replacement of electric water cavity. 電泵不得輸送含沙量較多的水或泥漿。水浸電機應經(jīng)常清理電機腔內的沙粒,更換電機腔內的清水。
- The measured data show that the bedload sediment transport rate is related more closely to the effective stream power within the bed-surface layer than to the river stream power. 實(shí)測資料表明,推移質(zhì)輸沙率與床面層內有效水流功率有良好的相關(guān)性,且高于推移質(zhì)輸沙率與水流功率的相關(guān)性。