消能率 的英文怎麼說

中文拼音 [xiāonénglǜ]
消能率 英文
ratio of damping
  • 消 : 動詞1 （消失） disappear; vanish 2 （使消失; 消除） eliminate; dispel; remove 3 （度過; 消遣） pa...
  • 能 : 能名詞（姓氏） a surname
  • 率 : 率名詞（比值） rate; ratio; proportion
  1. To use the athwart gradient protection which takes the end of dam as the datum mark will reduce the digging depth of the stilling basins is reducing, and increase the energy dissipation rate

    採用以壩體末端為基準面的壩體逆坡防護時，消力池挖深減小，消能率提高，壩面平均流速減小，壩區防護難度降低。
  2. Furthermore, it is also verified by chassis dyno tests that lpg motorcycle has better emission performance than gasoline engine, and has better acceleration performance e. g. exceed acceleration than former gasoline engine, and has low noise level characteristics as well as has ability to achieve equivalent level fuel economy performance compared with former gasoline engine

    整車動力性、經濟性和排放性轉鼓臺架試驗對比表明： lpg摩托車整體排放性能優于汽油摩托車；最高車速略有下降但加速性基本與汽油摩托車相同（超越加速性優于汽油摩托車） ； lpg摩托車具有良好的低噪聲特性，且整車燃料消耗率及其經濟性與原機基本相當。
  3. ( 1 ) it was found from the obtained results that increasing of flux will led to decrease in froude no. of the following water at the shrinking section which will reduce rate of disspated energy, this will make the protection of dam surface more difficult

    主要結論如下;隨著流量的增加，消力池收縮斷面弗勞德數減小，消力池的消能率減小。壩面平均流速增大，壩面的防護難度增加。
  4. Experimental studies on s1a - 02 gas turbine with water injection into compressor interstage / inlet as well as that on turbocharger self - loop test rig with inlet water injection are introduced. test results are in good accordance with simulation results, wet compression can lower compression work and increase engine power output so engine performance is enhanced, if engine power output is not changed, efficiencies of compressor and this engine become higher and turbine inlet temperature and fuel consumption become lower and if keeping t4 the same as that before wet compression is used, efficiencies become furthermore higher and engine power output increases greatly

    實驗結果和計算結果同樣表明：濕壓縮減少了壓氣機所消耗的壓縮功，增加了燃氣輪機的輸出功率，提高了燃氣輪機性能，如果保持發動機輸出功率恆定，濕壓縮可以提高壓氣機和整個燃氣輪機機組的效率，與此同時，渦輪進口溫度t _ 3 ~ *和燃油消耗率下降；如果保持渦輪排氣溫度t _ 4 ~ *恆定，壓氣機和燃氣輪機機組效率進一步提高，燃氣輪機輸出功率增加。
  5. Abstract : through study on energy dissipation of goupitang project on the wu - jiang river, the velocity field in the water cushion pool downstream ski - jump or drop was measured by hot - film anemometers on a fine model with scale 1 380

    文摘:結合烏江構皮灘水利樞紐工程消能問題研究，用熱膜流速儀在比尺為1 380的精細模型上量測了拱壩挑跌流在水墊塘內的流速場，並由試驗成果分析了淹沒射流在水墊塘內的消能過程，計算了消能率。
  6. The main contents are as follows : in order to finish this work well, the author collected the basic parameters of water cushion in china and foreign countries, and analyzed the questions and shortcoming in the designing of cushion in domestic and abroad, and summarized the design experiment of xiao wan hydraulic power station and ertan hydraulic power station in china, finally the main controlling design parameters of baishan water cushion, that is the allow dynamic impact water pressure and unit water consumed energy rate were asserted

    具體內容如下：為了做好白山水墊塘設計，本文通過收集國內外水墊塘設計的基本參數，分析水墊塘設計存在的問題及不足，總結國內小灣、二灘工程的經驗，確定白山水墊塘設計主要控制參數即允許動水沖擊壓力及水墊塘單位水體消能率。
  7. Taken the bank spillway at yubeishan reservoir as an example, the water loads acted on the spillway, such as static water pressure, dynamic water pressure, shear stress on the surface of the step and so on, are calculated, which can provide evidence to the stability analysis of the dam slope and slope protection

    並以萬縣魚背山水庫岸邊溢洪道為例，計算了溢洪道上所受的水流荷載及其分佈，為土石壩坡和護面的穩定分析提供了依據。通過計算證實了既使在較大的單寬流量下，緩坡上的階梯仍有較高的消能率。
  8. However, because of the particularity that is hydraulic jump, before jumping, when water ' s froude number is less than four point five, the damping ratio is so low that energy dissipator ' s lower river produce serious flushing, so much so that it may threaten energy dissipation structure ' s safty

    然而，因為水躍本身又具有其特殊性，在躍前水流佛汝德數（ froudenumber ）小於4 . 5時，消能率很低，致使消能工下游產生嚴重的沖刷，甚至危及消能建築物本身的安全。
  9. For two up and down plunging jets, an optimization model is introduced according to maximum energy dissipation. in this model, the exit angle of jet is first considered actually. the optimal computation of the energy dissipation between two impinging jets in xiao - wan project demonstrates that this model is reasonable too ; 6

    對于上、下雙股挑流水舌，以碰撞消能率為優化目標，首次考慮了出口水舌的坦化影響因素，建立了優化數學模型，並通過對小灣拱壩壩身表、中孔水舌的碰撞計算，認為所提出的數學優化模型是可用的； 6
  10. In the light of the study result that the energy dissipation ratio is higher as the spillway slope is gentle, to applied stepped spillway to overflow earth - rock dams with a certain height is proposed

    根據壩坡較緩時，階梯的消能率較高的研究成果，提出把階梯溢流應用於一定高度過水土石壩。
  11. Through the analysis and discussion for the simulation results, the energy dissipation mechanism of the stepped spillway is preliminarily made clear and some engineering measures for increasing the energy dissipation ratio are proposed, and some useful and practical conclusions are obtained

    通過對計算成果的分析和討論，初步弄清了影響階梯壩面消能率的機理，並提出了增大壩面消能率的工程措施，得到了一些具有實用價值的結論。
  12. In order to increase the energy dissipation of stepped spillway at iarge unit discharge, the integhty dissipater of aerated splitter pier and steppe characteristics is studied. because of verticaj diffhaion now by aerated splitter and impachng steppe 3 by drop flow, the air concentration and the energy dissipation efficiency are greatly increased ; the potentiality of cavitations is decrease. in special at large unit discharge, this effect is more obvious

    摻氣分流墩的增加，明顯地改善了階梯面上的壓強分佈，消除或減小了階梯凹角內和立面上部的負壓；由於摻氣分流墩使水流縱向擴散以及挑流落下后在階梯上的撞擊，使水流的摻氣濃度和消能率都得到較大的提高，降低了階梯面空蝕的可能性，特別是在大單寬流量時，這種效果更為明顯。
  13. The results show that multi - lever and multi - strand horizontal submerged jets are a new energy dissipation type and have better stability of flow patter, lower velocity in the slab and higher dissipated energy rate than the single - lever and the multi - strand horizontal submerged jets

    研究表明，多股多層水平淹沒射流較單層多股水平淹沒射流流態穩定性好、臨底流速低、消能率高，是一種高效的新型消能方式。
  14. The results show that an eddy surrounding the main stream of the multiple jets exists and forms several strong shear flows and enhances the effect of energy dissipation

    研究結果表明：多股多層淹沒射流利用在射流軸線周圍所形成的強剪切、三維立體漩滾的劇烈混摻來實現消能，消能率較高，且在平面上沒有形成明顯的、貫穿的立軸漩渦。
  15. In the paper the initial iocation and dimension of step are studied from which we get the conclusion tha the energy dissipation is highcr if the initial location is at the curve section of l / 2 height of the spillway top and the dimension gap of neighbor step is bigger, the energy dissipation is higher

    通過對階梯溢流壩的過渡階梯的起始位置和具體尺寸的試驗研究。得出過渡階梯的最佳起始位置約在壩頂曲線段1 2高度處且相鄰階梯的尺寸相差較大時，所得的消能率較高。
  16. For the larger area contraction ratio, the flow condition becomes more complicated, the discharge of the tunnel and the change of the negative pressure in the cavity pocket will be reduced, but the cavity diameter of the level rotary cavity flow and the dissipation ratio of the system will be increased

    面積收縮率較大時，流態變化復雜，泄流量和環流空腔內的負壓的變化減小，但空腔環流的空腔直徑和泄洪洞的消能率增大。
  17. At the toe of thc stepped spillway if exchange a series of steps for arc section, the highe enersy dissipation can be got bu the pressure is higher in downstream icction

    在壩趾處，不設反弧段比設反弧段時的消能率高，但壩下水平段的壓強值較大。
  18. It shows that the aeration influence is not neglect after correcting between the theory value and practice calculate value

    考慮摻氣后的消能率實測計算值與理論計算值吻合較好，這表明摻氣的影響是不可忽略的。
  19. The main reason of the stepped spillway having greater energy dissipation is tha there is big horizontal vortex in the inner angel of the steps and it makes momenbo exchange with outer mainstream then accelerates the theulence in the water

    由於階梯的存在，使得水流在階梯凹角內產生強烈的水平橫軸旋渦，旋滾水流與外部主流之間不斷進行的動量交換加劇了水流內部的紊動，從而使階梯溢流壩有較高的消能率。
  20. In order to study the characteristics of the stepped spillway overflow comprehensively and seek for the measure to increase the energy dissipation of the stepped spillway at large unit discharge, the method of turbulence numerical simulation and model test are used to study the stepped spillway overflow. in view of the curved free water surface, complicated boundary condition and turbulence flow, it very difficult to simulate the stepped spillway overflow

    為了對階梯溢流壩面流場特性進行全面的研究，同時探求在大單寬流量下提高階梯溢流壩消能率的措施，本文採用紊流數值模擬與實驗相結合，數值計算為主、實驗為輔的研究方法對階梯溢流壩面流場進行了較系統深入的研究。
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