泵性能曲線 的英文怎麼說

中文拼音 [bèngxìngnéngqūxiàn]
泵性能曲線 英文
pumperformance curve
  • 泵 : 名詞（吸入和排出流體的機械） pump
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 能 : 能名詞（姓氏） a surname
  • 曲 : 曲名詞1 （一種韻文形式） qu a type of verse for singing which emerged in the southern song and ji...
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  1. Digitalization of a pump characteristic curve

    水泵性能曲線的數字化處理方法
  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. 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。
  4. This thesis analyze the effects of its mechanism dimension to the working properties with many of date, and the flux curve of principal and subordinate piston mortar pump, and the effects of the transition working area of the compensatory cylinder to the working properties, and find the differences between the actual properties and the theoretical model, proposes the measures for the improvements, as well as gives the guiding instructions for the mortar pump design

    數據分析了主從活塞式砂漿泵機構尺寸參數變化對泵工作性能的影響，分析了主從活塞式砂漿泵的排量曲線，以及補償缸工作的過渡區間對泵工作性能的影響，找到了泵實際工作性能與理論模型的差別並提出改善措施，對該砂漿泵的設計提出指導性建議。
  5. To tune up the frequency of power supply by the transducer in the system, this adjusting make the speed of electromotor and performance curve of pump change. at last, it make the status of a pump alter

    在變頻調速恆壓供水系統中，單臺水泵工況的調節是通過變頻器來改變電源的頻率f來改變電機的轉速n ，從而改變水泵性能曲線得以實現的。
  6. Fluid physical properties, pressure measurement, forces due to static fluids, bernoulli ' s equation, general energy equation, energy losses due to friction, pipe line systems, pump selection and application, open channel flow

    本課程含流體物理性質、壓力測量、沉體平面和曲面所受作用力、柏努利方程式、一般能量方程式、摩擦形成的能量損失、管線系統、明渠流、泵的選擇與應用。
  7. Although the structure of the pump is different from the normal one, the performance of the pump can be measured and the internal flow fields in the volute and impellers can be investigated by using piv easily

    這樣，該實驗裝置既能進行水泵性能試驗，又滿足piv的測試要求。本文在轉速為1200r / min工況下，進行了水泵的外特性試驗，得到了水泵的性能曲線。
  8. In the paper, i construct a software platform for the turbine and feedwater pump. the platform is an object - oriented system that can be extended by the other models. i have programmed the classes of the performance of the turbine and feedwater pump. besides, the software platform has the functions of giving alarms, the storage of data, the analysis of accident, configuration of chart, administrator operation, report, the query of history data. the paper has explained the methods of constructing the platform at the same time i set forth in details the connections of mis with dcs and distributing the performance data

    本文針對電廠開發了汽輪機與給水泵組性能分析與評價平臺，本系統平臺用面向對象方法編制，並與多位同學合作編寫了汽輪機與給水泵組與性能有關的多個模塊同時可以另外插入模塊擴充功能，此系統平臺還具有數據存儲、歷史數據查詢、報警處理、事故分析、曲線組態、管理員操作、數據報表等多種功能，此外，本文詳細闡述了平臺的構建過程並且詳細論述了dcs與系統的連接方法， activeform電廠設備性能數據網路發布的方法以及現今電廠流行的pi實時數據庫的深入開發與利用，並分別編寫了相應的程序。
  9. It is indicated that, when a two - speed motor is used for driving oil transfer pump, the motor with the characteristic of torque reduction on square rotary speed should be chosen ; the working economy of the variable speed pump is restricted by the characteristic curves of pipeline resistance, and its speed control range is restricted by the pipeline resistance characteristic curve, the pressure head needed by the system and the working characteristic of the pump ; when several pumps work in parallel, the pump with better performance should be changed into speed - variable pump

    指出雙速電動機用於輸油泵的調速時，應選用轉矩按轉速平方降低特性的電動機；調速泵的運行經濟性受到管路阻力特性曲線的限制，其調速范圍受到管路阻力特性曲線、系統所需揚程和泵運行特性的限制；在母管制系統中把部分定速泵改為調速泵時，應將性能較高的定速泵改為調速泵。
  10. Abstract : conventional ship propulsion methods meet some limitations in ship development towards high - speed, large - scale and high - power. a new ship propulsion method, integrated hydraulic propulsion ( ihp ), was put forward to solve the problem. then further research work was done on the principle of ihp method. working condition - matching characteristic was discussed through the working condition matching characteristic chart. after that, the advantages and disadvantages of ihp method were given. and the pump and motor, important parts of ihp, was designed through physical analytical method. ihp method can be used extensively in some special kinds of ship for its own characteristics. to a certain extent, the limitation problem of ship propulsion method can be solved. ihp method diversifies the existing ship propulsion methods

    文摘:為解決船舶在向大型化、高速化方向發展時船舶主機設計困難，機艙布置不合理以及機動性能差等問題，提出了一種新型船舶推進方式，即船舶綜合液壓推進.給出了該推進方式的推進原理，通過工況配合特性曲線圖，對其工況配合特性進行分析，對該推進方式的優缺點進行討論並對其重要組件液壓泵以及馬達進行設計計算.結果表明船舶綜合液壓推進具有其獨特的優點，是對現有船舶推進方式的有益補充
  11. Conventional ship propulsion methods meet some limitations in ship development towards high - speed, large - scale and high - power. a new ship propulsion method, integrated hydraulic propulsion ( ihp ), was put forward to solve the problem. then further research work was done on the principle of ihp method. working condition - matching characteristic was discussed through the working condition matching characteristic chart. after that, the advantages and disadvantages of ihp method were given. and the pump and motor, important parts of ihp, was designed through physical analytical method. ihp method can be used extensively in some special kinds of ship for its own characteristics. to a certain extent, the limitation problem of ship propulsion method can be solved. ihp method diversifies the existing ship propulsion methods

    為解決船舶在向大型化、高速化方向發展時船舶主機設計困難，機艙布置不合理以及機動性能差等問題，提出了一種新型船舶推進方式，即船舶綜合液壓推進.給出了該推進方式的推進原理，通過工況配合特性曲線圖，對其工況配合特性進行分析，對該推進方式的優缺點進行討論並對其重要組件液壓泵以及馬達進行設計計算.結果表明船舶綜合液壓推進具有其獨特的優點，是對現有船舶推進方式的有益補充
  12. Computing about five work conditions of slurry pump, the fields of velocity, compression and turbulence intensity are obtained, and the pump performance curves are also achieved to check the computation credence. based on the results of flow fields, particle tracks in varied conditions are achieved by using lagrange method

    本文對渣漿泵的在5個工況下（包括設計工況）的清水流場進行了計算，得到了描述流場的速度、壓力、紊流強度等參數場的分佈情況，最後計算了泵的運行性能曲線來校核計算的可靠性。
  13. The method of describing the esp practical performance curve with its characteristic parameters has been provided with head and energy consumption on the basis of the characteristic analysis on the esp

    摘要從潛油電泵的理論特性出發，通過對潛油電泵壓頭及其能耗分析，提出了用特徵參數表徵潛油電泵實際工況曲線的方法。
  14. Testing equipment and testing method for centrifugal pump was introduced, and experimental steady - state hydraulic performance during changing outletangle was obtained through changing outlet angle and the result was discussed at the end

    摘要介紹了離心泵性能試驗的試驗裝置和試驗方法，通過對一臺離心泵的試驗，給出了水泵在改變其葉輪出口角時各參數的穩態性能曲線，並對其進行了分析。
  15. Study on regression curve equation of heating circulating pump performance

    採暖循環水泵的性能回歸曲線方程研究
  16. Reason for centrifugal pump performance curve hump and the elimination method

    離心泵性能曲線產生駝峰的機理及消除措施
  17. Analyzing the performance curves of pumps and network in a variable flow pumping system, concluding the influence factors of energy saving and the optimal ranges of variable frequency drive ( vfd )

    摘要通過分析變頻水泵及管網系統在變工況下的特性曲線，得出影響水泵變頻節能效果的主要因素和變頻調速的適用范圍。
  18. In the light of significant energy losing during the hydraulic excavator working, a dynamic system was made up from the diesel engine, the variable pump, the control valve and the load to cut down the losing energy from a systematic approach based on the control characteristics of the system elements

    摘要針對液壓挖掘機在工作過程中存在的大量能量損失，根據泵的控制特性曲線，將發動機、變量泵、控制閥及負載作為一個動態系統來研究其節能問題。
  19. According to the supply system composed by parallel connection water pump, many kinds of operation proposals in a single pump were put forward to provide the greatest possible flow on both sides of the demarcation point in the scope of the flux changes ; identified the system of pumps, electromotor, speed governor imitate method of characteristics curve of the power device and its rotating speed, efficiency, energy consumption calculation under different condition ; the analytical methods used for the operational plan for comprehensive evaluation of the economic and safety and optimal results

    摘要針對由並聯水泵組成的供水系統，提出了在以單泵可能提供最大流量為分界點的兩側流量變化范圍內具有多種運行方案；確定了在不同工況下，該系統中水泵、電機、調速器特性曲線的擬合方法及其各動力裝置中轉速、效率、能耗的計算式；採用解析的方法對各種運行方案進行了經濟性和安全性綜合評價，並給出最優結果。
  20. The work theory of the roto - jet pump is very specific and it has very simple construction and smooth performance curve and cheap maintain

    旋噴泵工作原理比較特殊，結構簡單，性能曲線穩定，維護方便。
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