spur dike 中文意思是什麼

spur dike 解釋
丁壩
  • spur : n 1 踢馬刺，靴刺，馬扎子；【歷史】金踢馬刺〈騎士 （knight） 所用〉。2 刺激物，鼓勵品；促進器；教...
  • dike : n 1 堤，堤防，堰堤。2 溝，濠，渠。3 【礦物】巖脈。4 障礙物。vt 1 用堤[濠溝]圍繞。2 開溝排水。n 搞...
  1. The flume experiment with single spur dike is carried out. water surface profile and velocity field of flow in flume are measured by manometer tube and propeller current meter respectively

    首先進行了單丁壩水槽實驗，採用測壓管和旋漿流速儀對實驗水槽中水流的水位以及流速場進行了詳細的測量。
  2. Only the method for using backwater expression can predict the variation of water surface near the spur dike very well. numerical simulations of the flume experiment cases are carried out with the standard k - e turbulence model

    隨后採用標準k一e紊流數學模型，依據水槽試驗資料，數值模擬了繞壩和漫壩兩種情況下水流的流動過程。
  3. Through flume experiment and numerical simulation, preliminary work on computation of water surface profile in regulation river reach, numerical simulation of flow with single spur dike in flume, and 3 - d numerical solution of flow around spur dikes group are carried out in this paper

    本文通過模型實驗和數值模擬相結合的研究方法，在整治河段一維水面曲線計算，單丁壩繞流數值模擬，紊流數學模型在航道整治工程中的應用以及丁壩群附近水流的三維流動特性等方面做了一些初步研究。
  4. Comparison of water level between measured and computation shows that the local head loss coefficient cannot give head loss by spur dike completely, and the effective area of passage is difficult to be ascertain. for this reason the two methods for water surface profile computation cannot predict the raise of water level upstream the spur dike accurately

    計算結果表明，局部水頭損失系數並不能完全反映出由於丁壩阻擋所帶來的水頭損失，而丁壩附近的有效過水面積難以準確地確定，這些導致前兩種方法均不能很好地計算出丁壩上游水位的壅高值。
  5. It is of great importance for the design of channel regulation structure to explore the effect of spur dikes on flow, and to study the flow structure near the spur dike

    研究丁壩對水流的影響規律以及丁壩附近水流的流動結構對于航道整治建築物的設計具有十分重要的意義。
  6. The experiment data shows that the region with large surface gradients in longitudinal and horizontal direction locates at the vicinity of spur dike. backwater appear upstream the spur dike, and there exist a recirculation area at the same side downstream the spur dike

    實測水位資料表明水流縱橫向比降大的區域位於丁壩上下游附近，在丁壩的上游出現壅水，下游存在有收縮區和恢復區，離丁壩越遠縱橫向水位的變幅越小。
  7. The effects of the two methods of " sucking - spouting " water and flow - deflection on the horizontal circulation were tested experimentally in a 50cm - width flume with a spur dike placed as a barrier

    可以把主流的一部分能量傳給邊界層內靠近壁面的流體質點，使之加速，從而達到防止邊界層分離的目的。
  8. Spur dike shore protection project is designed for protection of the roadbed damaged by flood on qingxi reach of dongjiang river, the effect of which is calculated and analyzed by 2 - d mathematical model, to confirm the stream - deflecting and shore - protecting effect, and determine whether the spur dike exerts any influence on navigation

    摘要對東江清溪河段水毀路基河段的保護進行了丁壩護岸工程設計，並採用二維數學模型對其效果進行了計算和分析，以確定工程設計方案的挑流和護岸效果，以及是否對通航造成影響。
  9. The effects of spur dikes group to the flow are different to that of single spur dike

    群壩對水流的作用機理與單丁壩的作用機理不相同。
  10. Spur dike is a kind of hydraulic structure that is widely used in channel regulation engineering for controlling the shape of the nature river

    修建丁壩可束水歸槽，保護岸堤，但也會帶來分離、迴流等一系列復雜的流動現象。
  11. Flow structure near the spur dike is very complicated, and areas with apparent three - dimensional characteristic exist in the vicinity of spur dike

    水流三維流動特性主要集中在丁壩附近區域.丁壩對下游的影響區域遠遠大於對上游的影響區域。
  12. Three kinds of permeable pile dikes with different seepage rate are tested, and effect of flow control is basically the same with the spur dike,

    試驗的三種透水率樁壩，其導流效果與實體丁壩群的基本相同，並未因部分透水及形態不同而使其控導作用明顯減弱。
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