pump efficiency 中文意思是什麼

pump efficiency 解釋
水泵效率
  • pump : PUMP =politically upwardly mobile personality 政治新星,政治上有望晉升人士。n (淺口無帶的)輕舞...
  • efficiency : n. 1. 功效。2. 效率;效能;實力,能力。3. 【物理學】性能。
  1. From the efficiency curves, we can obviously see that it has the fittest length of crystal and the power of pump if the other condition is determined

    提出了在雙諧振時,平面波和高斯光束在一定的泵浦條件下,都存在最佳長度、最佳泵浦強度的問題,並對其進行了計算機數值模擬。
  2. Presents the energy saving principle of a frequency - controlled pump and points out the applicability of the law of similitude for centrifugal pumps and the conception of constant efficiency curves

    摘要闡述了循環水泵變頻調速的節能原理,提出離心水泵相似定律的適用性和等效率曲線概念。
  3. Virtual instrument technology based efficiency test system of hydraulic pump

    基於虛擬儀器技術的液壓泵效率試驗系統
  4. In order to obtain the maximum conversion efficiency we always hope the pump source is operated at the maximum level, thus to raise the input pump energy, we have to apply the galilean telescope to input the pump beam, but it will lead to the bad pump beam quality and the large output beam linewidth

    為了獲得最大轉換效率總希望使泵浦源運轉在可達到的最高水平,因此不得不採用伽利略壓縮望遠鏡輸人泵浦光以提高輸人泵浦光的能量,但是這同時使泵浦光質量變壞,使得輸出線寬變大。
  5. In pumping fluid with gas, pressure boost can be improved by enhancing the pump rotation speed, thereby improving the performance of the pump to a certain degree ; when the gas content is constant, by increasing the inlet pressure, the pressure boost can be enhanced and the pump efficiency be improved remarkably ; when the gas content is rather high, there will be a problem of matching between the gas pressure and the fluid pressure ; the performance of the multiphase pump can also be improved by means of rational design of buffer vessel and homogenizer

    試驗分析認為,氣液混輸工況下,提高泵轉速可以提高增壓,在一定程度上能改善多相泵的工作性能;含氣率一定時,增加進口壓力,可使多相泵增壓值增大,泵效明顯增加,最大含氣率點后移,但含氣率很高時,存在氣液壓力相匹配問題;改進緩沖罐和均化器的設計,有利於氣液互相夾帶,避免氣囊產生,可改善多相泵的輸送性能。
  6. Presents the steady - state programming with constant coolant average temperature and constant live steam pressure, an ideal programming for marine nuclear power plant ( npp ), under which, both the coolant average temperature and the live steam pressure of nuclear steam supply system ( nsss ) are constant when the steady state operating condition is varied, and points out that in comparison with the steadysate programming with constant coolant average temperature, the ideal programming can improve the overall operating performance of npp effectively, especially in low - load range, for instance, raise the heat efficiency of npp, decrease the operating noise of main coolant pump, and improve the conditions of design, operation and control of the secondary loop system

    雙恆定運行方案是船用壓水堆核動力裝置的理想運行方案.在這種運行方案下,當裝置穩態功率變化時,冷卻劑平均溫度與蒸汽壓都保持不變,與通常採用的冷卻劑平均溫度恆定運行方案相比,有效地改善了核動力裝置的總體運行性能,特別是在低負荷運行時,可以提高裝置經濟性、降低主泵運行噪聲、改善二迴路系統的設計、運行和控制條件,這對于提高船用核動力裝置的運行可靠性和安全性具有實際意義
  7. The entire rotating assembly shall be designed with sufficient rigidity and balanced to provide for a maximum shaft deflection at the lower seal of 0. 002 " under all operating points between plus or minus 40 % of the flow at best efficiency point ( bef ) on the pump ' s performance curve

    整個旋轉總裝都應該具有足夠的硬度,在泵性能曲線最好性能的正負40 %的范圍內,在所有工作點,最大的軸偏差限制在0 . 002英寸內。
  8. In order to improve the efficiency of the permanent canned - motor pump, and decrease electromagnetics effect of the liners in designing the permanent magnet canned - motor pump. the main parameters of the permanent canned motor pump have been calculated with the finited element method, the eddy - current of the liners also have been studied deep and systematically in this dissertation

    為提高永磁屏蔽電泵的效率,減少永磁屏蔽電泵設計中屏蔽套電磁影響問題,本文對永磁電泵電磁場進行了有限元分析,計算了主要參數,對屏蔽套的渦流問題進行了分析研究。
  9. Electromotor joins with high efficiency selected water pump, scm ( single chip micyoco ) control system commands water pump according to cooling water temperature which substitutes traditional strap - driving mechanism pump and forms tael - level intellectualized control cooling system combining with electromotion control of cooling fan. consequently it realizes that water pump and fan autoregulate with engine working status and assures t hat cooling water temperature keeps in the best range all the time and advances the reliability of engine working and realizes exact control of cooling water temperature in deed

    選用高效率水泵與電機聯接,改由單片機控制系統根據冷卻水溫控制水泵的工作,代替傳統的皮帶帶動的機械水泵,結合冷卻風扇的電動控制形成兩級智能化控制的冷卻系統,從而,實現了水泵和風扇轉速隨發動機工況變化的自動調節,真正實現了冷卻水溫的精確控制,保證了冷卻水溫始終保持在最佳范圍內,大量減少傳熱損失降低油耗,並提高了發動機工作的可靠性。
  10. In the situation that the reflection loss of the duct inwall was not in considering, even condensed the pump beam 100 times, it could realize the output efficiency of more than 70 %, this was that the other coupling way hardly to accomplish

    在不考慮內壁反射損耗的情況下,即使將泵浦光束縮束100倍,也能夠實現70 %以上的輸出效率,這是現有其他耦合方式難以實現的。
  11. Then some optimal models of water supply networks are enumerated and some factors which can influence the optimal results are analyzed such as the efficiency of pump station, the temporal value of fund, the curve of water consumption and the coefficient of water supply energy and so on

    接著,列舉給水管網優化設計的數學模型,並分析影響目標函數優化結果的各種因素,例如泵站效率、資金時間效率、用水量變化曲線、供水能量變化系數等。
  12. 4. linear guided track, imported gas pump, quality insures efficiency

    四線性導軌進口氣泵,質量是生產率的保障
  13. The centrifugal pump for oilfield waterflooding and oil transfer worked with low pump efficiency owing to unstable load and its energy loss is fairly large

    油田注水集輸系統離心泵由於載荷經常變化,大多不能在其額定工況點工作,泵效低,且需要用泵出口閥調節流量,產生一定的泵管壓差,造成較大的能量損失。
  14. Pump efficiency and conversion methods for efficiency

    泵及泵裝置效率表達與換算
  15. The results show that some models with the bionic non - smooth working surfaces are very effective, with the pump efficiency enhancement of 3. 45 %, that means its growth rate of 6. 81 %

    對比試驗表明,在離心式水泵的有效工作流量范圍內,某些仿生改形表面的模型具有十分明顯的效果,效率提高最大為3 . 45 % ,最大增效率為6 . 81 % 。
  16. With the rapidly increasing awareness of pump efficiency, more and more attention has been paid to the appropriate design of pump sump

    隨著對水泵效率越來越高的要求,設計恰當的吸水室成為改善水泵性能和提高效率的必不可少的步驟。
  17. Field use shows that the new tubingless oil production unit has the advantages of high pump efficiency, low cost and easy operation

    現場使用情況表明,新型無油管採油裝置具有泵效高、投資少及作業方便等優點。
  18. A test system was developed and an l9 ( 3 ^ 4 ) orthogonal experiment design was used to test the pump efficiency under different flow rates, lifts, electric voltages and currents

    並設計了試驗系統,採用l9 ( 3 ^ 4 )正交試驗,以離心式水泵效率為試驗指標,進行了離心式水泵的流量、揚程、電壓和電流的測量。
  19. The bionic non - smooth technique was applied to the centrifugal water pump to modify the liquid flow structure in the pump to reduce the hydraulic drag in the liquid - solid interface, resulting in the enhancement of the pump efficiency

    摘要基於仿生非光滑技術,通過改變離心式水泵中液體的流動結構降低固液界面的阻力,研究了水泵的增效問題。
  20. 3. we study how to improve the pump efficiency in a double clad fiber laser. several traditional pumping methods are considered and the light propagation

    其中雙包層光纖的結構、內包層的形狀、泵浦光入纖方式等是這項技術的關鍵所在。
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