bedload transport 中文意思是什麼
bedload transport
解釋
推移質輸送-
All the applications of the three models obtain inter - confirmed results so that the credible hydraulic conditions could be provided for the further calculation of the bedload transport
由於採用多種模型對長江河口水流進行數值模擬，便於相互印證，從而為長江口推移質輸沙計算提供了可靠的水力依據。 -
1 - d and 2 - d model for non - uniform bedload transport are applied to compute the amount of bedload in the south branch of the changjiang estuary. it can be found that the peak value of bedload transport in a tidal cycle, computed by 2 - d model, is obviously larger than that computed by 1 - d model, which is induced by the disequilibrium of bedload transport in cross - river direction
在此基礎上，將非均勻推移質公式推廣到二維計算，並與一維計算結果作了對比，發現兩種計算所獲得的凈輸沙量相差不大，但二維輸沙過程線峰值較一維計算要大，這正是河道內推移質運動橫向不均勻性的體現。 -
Then, the influence of several hydraulic factors on the bedload transport is discussed. it is concluded that the amount of bedload transport is dominated by the runoff discharge in the datong station, and partially influenced by the range of tide
文章進一步分析了各個水力要素對推移質輸沙的影響，發現長江口推移質輸沙總體上受大通流量控制，潮差對于推移質輸沙的影響只有在洪季才變得明顯。 -
Finally, bedload transport rate of dujiangyan was computed with several representative formulas
分別用幾種有代表性的輸沙率公式計算了都江堰河段的推移質輸沙率。 -
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
實測資料表明，推移質輸沙率與床面層內有效水流功率有良好的相關性，且高於推移質輸沙率與水流功率的相關性。 -
Based on the relationship between energy and flow within the bed - surface layer, a relationship between the bedload sediment transport rate and effective stream power within the bed - surface layer is derived
摘要基於床面層內的水流能量關系，推導了推移質輸沙率與床面層內有效水流功率的關系式。 -
Verification results of more than 2800 runs of channel experiment data and field data show that this formula has good applicability and high accuracy, and is better than the other formulae for bedload sediment transport rate based on the stream power
經2800組試驗資料與天然河流資料的檢驗表明，該關系式的適應性良好，計算精度較高，並優于同類型的基於水流功率的推移質輸沙率公式。 -
In this paper, gravel characteristics and variety along the river were studied with digital image technology ; variety of grain sizes distribution of the river bed along jinmahe section in minjian river was analyzed ; several representative formulas of bedload transport rate were proved according to the field data of dujiangyan
本文採用數字圖象技術研究了卵石顆粒的幾何特徵及沿程變化；分析了岷江金馬河河段河床質級配的沿程變化；根據都江堰的輸沙率資料論證了幾家有代表性的推移質輸沙率公式的實用性。 -
In this paper, a brief review of the basic theory and the computational methods for bedload transport have been made with the emphasis on the great influence of bedload on the bed - forming in rivers. a new way is proposed by using numerical simulation to study the nonuniform bedload transport in the changjiang estuary
本文概括了推移質輸沙的基本理論和計算方法，闡述了推移質在河床演變中的重要作用，在總結非均勻推移質輸沙研究現狀的基礎上，提出利用數值模擬手段研究長江河口非均勻推移質輸沙的思路。
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