河槽形態 的英文怎麼說
中文拼音 [hécáoxíngtài]
河槽形態
英文
channel geometry-
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。The effect of dredging channel for deposition reduction is related to dredged channel geometry morphology and dredged channel area
挖河減淤效果與挖槽幾何形態及挖槽面積有關。The bulk of effect on dredging river for deposition reduction is relative to chosen datum of dredging channel geometry parameter. geometry parameters include dredging channel length, morphology of transversal section and longitudinal slopes
挖河減淤效果的大小與挖槽幾何參數的選值有關,幾何參數包括挖河長度、斷面形態及挖槽比降等。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。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By use of the morphological coefficients of estuarine riverbed and the relevant data of the north channel of the yangtze river estuary, the widening rate of the regulation line of the north deep - water channel of the yangtze river estuary is calculated, and the calculation result is in agreement with that of the fixed bed model test
利用已有的河口河床形態系數及長江口北槽的有關數據,估算了長江口北槽深水航道治導線的放寬率,且與定床物理模型試驗值基本相符。分享友人