泵特性曲線 的英文怎麼說

中文拼音 [bèngtèxìngqūxiàn]
泵特性曲線 英文
pumcharacteristic curve
  • 泵 : 名詞（吸入和排出流體的機械） pump
  • 特 : Ⅰ形容詞（特殊; 超出一般） particular; special; exceptional; unusual Ⅱ副詞1 （特別） especially; v...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 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...
  • 特性 : characteristic（s）; character; performance; features; properties; behaviour; response; character...
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  1. Fitting method for pump complex characteristic curve based on b - spline

    樣條的水泵復雜特性曲線擬合方法
  2. Based on many references form civil and abroad, the author mainly studies the measurment theory and method for flux, raising height, axial power and rotational velocity. avoiding many complicated and intermediate courses for power wastage analysis, introduces the electric measurement and using efficiency curve of motor in measureing axial power, and satisfies the automatization of the device. the paper also provides a new method, inductive winding, in measuring rotational velocity of electromotor, supplys limitations of other method in measuring rotational velocity of electromotor in water, and meet practical needs in developing diving electric pump for corporation

    作者在參閱大量國內外有關文獻，著重探討了水泵流量、揚程、軸功率、轉速的測試原理和測試方法，提出了採用電測法並結合電機效率特性曲線測量水泵軸功率，從而避免了損耗分析法中大量復雜的中間過程，滿足了試驗裝置的自動化測量要求；採用漏磁感應線圈法測量電機轉速，彌補了其它轉速測量方法對水下電機測試的局限性，適應了萊恩公司開發潛水電泵的實際需要。
  3. 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。
  4. 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。
  5. 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
  6. In the section 1, we have introduced the background and the recent advance of the flattened gaussian beam ; in the section 2, for the first time, we have calculated the type - i and type - ii shg conversion efficiency and simulated curves versus the crystal length, the pumping light polarization rate, the order of the flattened gaussian beam and the pumped power intensity, we obtain ed that the highest efficiency was influenced by the order and the polarization rate of the pumped flattened gaussian beam

    從三波耦合方程及clbo晶體的光學特性出發，討論了以平頂高斯光束入射時穩態的三波耦合方程的大信號倍頻解（包括類及類相位匹配的倍頻解） 。計算了其在clbo晶體上的倍頻轉換效率與晶體長度，基波偏振分量比，基波階數及泵浦波強度之間的相互影響關系曲線。得出影響平頂高斯光束的最高轉換效率的因素是基波的階數n和泵浦波的偏振分量比d 。
  7. 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
  8. This paper designs the characteristic curves and system curves for the dredging materials of the water and all kind of mixtures, which base on the theory of hydraulic dredging and the experiment data of prototype dredger, then puts out the equations of computing the work point of dredge pump system and the model that can simulate the work condition of dredging pump such as the flow rate, vacuum and pressures

    該模型根據水力疏浚原理和1750挖泥船的技術數據，設計了泥泵和管路的清水特性曲線與泥漿特性曲線，在此基礎上給出了泥泵工作點的計算方法。最後給出了計算泥泵工況的模型和模擬實例； 3 、絞刀電動機拖動系統。
  9. Thi s paper mai nl y analyzes the characteri st i c curve of vapor eject ing pump vacuum system, and sums up a11 kinds of factors affecting characteri stic curve

    本文主要對蒸汽噴射泵抽真空系統的特性曲線做了詳細分析，總結歸納了影響特性曲線的各種因素。
  10. The mechanism for optical storage in these materials has been attributed to a statistical reorientation of the azobenzene chromophors perpendicular to the polarization of the incident electric field of the pump laser beam. the photoinduced birefringence and holographic storage in methyl orange dyes ( mo ) doped polyvinyl alcohol ( pva ) films were reported firstly in this thesis. the relationship between the photoinduced birefringence and the dye content and pumping power was investigated by using the writing light of 532 nm ( double - frequency of nd : yag laser ) and the reading light of 632. 8 nm

    本文研究了甲基橙（ mo ）偶氮苯染料摻雜聚乙烯醇（ pva ）薄膜的光致雙折射和全息光存儲特性，利用yag激光2倍頻（ 532nm ）作為寫入光， he ? ne激光（ 632 . 8nm ）作為讀出光，研究含有不同染料濃度pva薄膜的光致雙折射特性，探討了光致雙折射和泵浦光功率的關系，實現了全息光存儲，所得光柵生長曲線包含快過程和慢過程，快過程以異構相位光柵的生長為主，慢過程以取向光柵的生長為主，對此實驗結果本文給出了合理的理論解釋。
  11. 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。
  12. Considering the esp operating condition and the character of produced fluid, the calculation method of practical conditions and parameter is determined with five characteristic point data of esp performance curve

    採用潛油電泵清水特性曲線上的5個特徵點，考慮潛油電泵的運行情況、產出液的特性等參數，建立反映潛油電泵實際工況參數和曲線的計算方法。
  13. By discussing in detail the shapes and types of pump characteristic curves and the effects of geometrical parameters on them, this paper points out that the main reason of the brake horsepower of the low specific speed sewage pump increasing with capacity rapidly is that we often select larger geometrical parameters such as b2, ft and so on to enhance the capacity of the sewage pump

    詳細討論了離心式排污泵特性曲線的形狀和種類，以及幾何參數對排污泵特性曲線的影響，指出排污泵設計中增大b _ 2 、 f _ t等幾何參數是導致軸功率曲線隨流量增加上升很快的原因。
  14. 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。
  15. According to the load and pipeline characteristics of heating systems, puts forward the principle of selecting circulating water pumps and the fitting method of characteristic curves

    摘要針對供暖系統的熱負荷及管路特性，給出了循環水泵的選擇原則及其特性曲線的擬合方法。
  16. Based on the torque - speed characteristic curve of induction motors, analyses were done on changes in slip with an variation in frequency when an induction motor drives different kinds of loads, including those with constant torque, constant - maximum torque, variable torque ( except fans and pumps ) and constant power, as well as fans and pumps, the formulas to calculate the slip and the speed under different frequencies and loads were presented

    摘要以異步電動機機械特性曲線為基礎，分析了變頻調速異步電動機在拖動恆轉矩負載、恆最大轉矩負載、變轉矩（非風機和泵類）負載、恆功率負載以及風機和泵類負載時，轉差率隨頻率變化的規律。
  17. 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。
  18. 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。
  19. Then, only a given curve satisfied by the conditions of import and outlet of vane wheel as its modular curve will neglect the middle varying processes of in vane wheel, which reflect microscope properties in some degree - flow properties in boundary layer. leading into the velocity - coefficient unifies the boundary layer and eular theory in the design process of vane, which extends the area of selection of vane ' s curves and provides a valuable object function for the optimization design of vane

    那麼，僅憑一條預先給定的滿足葉輪出入口條件的曲線去來作為葉輪的型線，它必將忽略了這種除了葉輪出入口之外的中間變化過程，而這種中間變化在某種程度來說又反映出微觀特性? ?邊界層流動特性；速度系數的引入，它使邊界層理論和歐拉理論在泵的葉輪設計過程中得到統一；它使選擇葉片曲線的域圍拓寬；它也為葉輪的優化設計提供了一個很有參考價值的目標函數。
  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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