泵比轉數 的英文怎麼說

中文拼音 [bèngbǐzhuǎnshǔ]
泵比轉數 英文
specific speed of pump
  • 泵 : 名詞（吸入和排出流體的機械） pump
  • 比 : Ⅰ動詞1 （比較; 較量高下、 長短、距離、好壞等） compare; compete; contrast; match; emulate 2 （比...
  • 轉 : 轉構詞成分。
  • 數 : 數副詞（屢次） frequently; repeatedly
  1. Experimental research on low specific speed roto - jet pump

    低比轉數旋噴泵的試驗研究
  2. Complete air piston pump contains pneumatic motor and piston pump, the ratio of piston area of pneumatic motor and plunger ' s sectional area of piston pump is transforming times of pump pressure ; the higher times, the more pressure can deliver higher viscosity fluid, and achieve the delivery aim

    完整的氣動柱塞泵包含有氣動馬達與柱塞泵兩部分，氣動馬達中的活塞面積與柱塞泵活塞的截面積比值，就是泵壓力轉換的倍數；愈高的倍數就能以愈大的壓力輸送愈高黏度的流體，達到輸送的目標。
  3. The roto - jet pump is a new kind of very low specific speed pump which is developed in recent years. it is always used in carbin black, food production, chemical industry and deep well mining system to supply the steady outflow with low flux and high pressure

    旋轉噴射泵是近些年才發展起來的一種極低比轉數泵，主要用在碳黑、食品、化工以及深井采礦系統中用以提供小流量高水頭的穩定出流。
  4. Comparing tow methods of efficency pre - estimation, it finds out the new method fit for super - low specific - speed pump. acoording to the study and comparison on efficency and reliability, the thesis points out merits and faults of the 5 types of impeller, and draws a conclusion that the complex impeller and partly blocked - flow - passage impeller are fit for the impellers of super - low specific - speed centrifugal pump

    比較了泵效率預估的方法，提出了適合於極低比轉數泵效率預估的新方法，並對其性能要求的效率和可靠性兩方面進行了研究比較，指出了五種形式葉輪各自的優缺點，得到結論：復合葉輪和部分堵塞流道的一般葉輪適合作極低比轉數泵葉輪。
  5. In section one, we analyze the mechanism of lwi gain, and study the effects of the rabi frequency q of the driving field, the injection rates ratio rb / r ~, the exit rate r0, the decay rates ~ and rab between atomic levels, as well as 3 incoherent pump rate r on the gain without inversion, dispersion and population difference of the system. in section two, we discuss the effects of the detuning of the driving field and the probe field on the gain

    在第一節中分析了無粒子數反轉激光增益產生的機制、研究了驅動場的rabi頻率、粒子注入速率比值r _ b / r _ c 、粒子退出速率r _ o 、能級間的自發衰減速率r _ （ c - b ） 、 r _ （ a - b ）和非相干泵浦速率r對增益、色散和粒子數差的影響；第二節討論了驅動場和探測場的失諧對無粒子數反轉激光增益的影響。
  6. The increasing - flow design method is presented on superlow - specific - speed high - speed centrifugal pump in this paper

    闡述了超低比轉數高速復合葉輪離心泵的加大流量設計方法，並給出了兩個設計實例。
  7. Super - low specific - speed centrifugal pump is a part of centrifugal pumps, which is widely used in aerospace and petrochemical industries

    極低比轉數離心泵（ ns < 30 ）是離心泵的一部分，其在宇航事業和石化工業等領域應用廣泛。
  8. A new type of very low specific speed pump ? roto - jet pump is presented for low flowrate and high head transportation, which is introduced at the end of the thesis

    論文最後主要研究了一種隸屬于極低比轉數離心泵范疇的新型泵? ?旋噴泵，它是一種新型的石油化工用泵，具有流量小、揚程高、流量揚程曲線平緩的特點。
  9. This thesis also describes the numerical simulation of three - dimensional turbulent flow in super - low specific - speed impeller, points out the turbulence model and numerical solution for it, and gives the writer ' s view of the grid - generation

    論文的另一部分工作是數值模擬極低比轉數泵葉輪內部流動，提出了適合的湍流模型和數值解法，並對網格的劃分提出了自己的看法。
  10. In present thesis, the actual design theories and methods for super - low specific - speed pump are introduced first, including " the increased flowrate design method ", " the method of anti - hump on h ~ q characteristic curve ", " non - overload design method ", " the design method of complex impeller " and so on. according to these methods, 5 types of impeller have been designed

    論文首先對極低比轉數離心泵的現行設計理論和設計方法作了介紹，包括加大流量設計法、減小或消除揚程曲線駝峰的途徑、無過載設計及復合葉輪設計法等，並按照這些方法設計了五種葉輪。
  11. A series of tests on centrifugal oil pumps with different specific speeds were done under different conditions of liquid viscosities and pump rotary speeds

    摘要用比轉速為66 ， 90 ， 105的離心泵在不同粘度、不同轉速下進行了一系列試驗，提出了一種新的油泵液體粘度換算方法，該方法考慮了轉速對換算系數的影響。
  12. In chapter 2, we analyzed the effect of the driving field phase fluctuation on the gain and dispersion and population differences in an open v - type three - level non - inversion lasing system and then discussed the effects of the incoherent pumping rate, the ratio of the atomic injection rates, the atomic exit rate, the rabi frequency of the probe and driving fields and their corresponding detuning on the gain, dispersion and population differences of the system, and got some important conclusions different from those in closed or other open systems

    第二章討論了驅動場的相位漲落對開放的v型三能級無反轉激光系統的影響，根據解析解的數值計算結果討論了非相干泵浦速率、粒子注入速率之比、粒子退出速率、探測場和驅動場的rabi頻率和相應失諧對系統增益、色散和粒子數差的影響，得到了一些不同於封閉的v型系統及其他開放的無反轉激光系統的重要結論。
  13. 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 。
  14. Several transient simulation programs have been developed based on the models above, and were put into practice of the transient simulations of following : ( 1 ) autoregulation on water height of the fore bay in single pump station, and the influence of governor parameters ; ( 2 ) autoregulation on output of adjustable - blade pump in single pump station, and the influence of governor parameters ; ( 3 ) on - line autoregulation on flow equation of multilevel pump stations system

    本文應用上述方法編制了過渡過程模擬程序， （ 1 ）進行了單級泵站中轉槳泵在線自動調節泵站前池水位的動態模擬計算，並對調節參數的影響做了比較研究； （ 2 ）進行了單級泵站中轉槳泵在線自動調節泵輸出流量的動態模擬計算，並對調節參數的影響做了比較研究； （ 3 ）進行了多級泵站中轉槳泵在線自動調節輸水系統流量平衡的動態模擬計算。
  15. The apsp produced abroad is made by numerical controlled machine tool, which has noise level of 71db ( a ), the apsp produced in our country is made in the method of exploratory which has noise level of 73db ( a ) and 75db ( a ). in order to analyze the influence of stator curve to noise, the author used tri - coordinate measuring instrument to measured exactly the inside surface of stator and got the straddling point coordinate, and made curve fitting by using matlab as language and studied the fitting effect and then worked out the equation of stator transition curve in return seeking, then comparied this method with the standard style and made the conclusion : the equation of atator transiting curve of apsp made by numerical controlled machine tool is close to theorical 5 power curve standard style, but compared with it, the stator transiting curve of apsp produced in exploratory has a major error. combining the testing results of noise, one can know that the qualily of stator transition curve play an importance to t he noise of the pump

    國外生產的汽車動力轉向泵是用數控機床加工的，其噪聲值為71db （ a ） ，國內生產的汽車動力轉向泵是用靠模方法加工的，其噪聲值分別為73db （ a ）和75db （ a ） ，為了分析定子曲線對泵的噪聲的影響，本人用三坐標測量儀對定子內表面進行精密測量，獲得定子內表面的離散點坐標，以matlab語言為工具對離散點進行曲線擬合，觀察擬合效果，然後，用回歸方法求出了定子過渡曲線的方程，並把該方程與理論方程標準型進行了比較，得出如下結論：用數控機床生產的汽車動力轉向泵的定子過渡曲線方程非常接近理論5次曲線標準型，而用靠模方法加工的汽車動力轉向泵的定子過渡曲線與理論5次曲線標準型相比較，則存在著較大的誤差，結合噪聲測試結果可知，定子過渡曲線的優劣，對泵的噪聲大小有著重要的影響。
  16. The intracavity photon density and initial population inversion density are assumed to be gaussian distributions instead of plan wave assumption, based on this assumption, the rate equations of diode - pumped intracavity - frequency - doubled passively q - switched laser are modified. through solving these space - dependent rate equations numerically, the results under different assumption are compared. 5

    將腔內光子密度和初始反轉粒子數的平面波近似修正為高斯分佈近似，獨立地導出描述二極體泵浦內腔倍頻-被動調q激光器的速率方程，並通過數值求解該方程比較了兩種近似下脈沖特性的不同； 5 .實驗驗證了2中提出的實驗方案，並對實驗結果進行了分析。
  17. This system captures the rack position signal and rotate speed signal of the fuel injection pump, and calculates the circulating fuel injection quantity by programming the computer. then the computer is programmed to control the daq board to generate a certain width pulse. finally, controlled by the pulse, the alcohol injection system injects a certain quantity alcohol into inlet manifold according to a setting diesel / alcohol proportion

    該系統採用了在labview平臺上開發的pc總線?插卡式虛擬儀器系統，系統通過採集噴油泵的供油拉桿位置信號和轉速信號，利用計算機計算得出柴油的循環噴油量，再根據程序設定的柴油/酒精比例控制數據採集卡發出一定寬度的脈沖，控制低壓酒精噴射系統按比例將酒精噴入進氣歧管。
  18. The energy consumption analysis and experiment of the two systems, which are pump - control - motor speed governing system with inverter and hydraulic speed governing system with inlet throttle, are given. software direct compensating motor speed loss of open loop pump - control - motor speed governing system with inverter is studied deeply in theory and experiment. the applications of fuzzy control, single neuron control and genetic algorithm in pump - control - motor speed governing system with inverter are studied, and some useful conclusions are obtained

    所進行的主要研究工作如下：對主要參數對變頻泵控馬達調速系統的性能影響進行了時域模擬分析和開環階躍響應實驗研究；對變頻泵控馬達調速系統和進口節流閥控馬達調速系統進行了能耗分析和對比實驗研究；對軟體直接補償開環變頻泵控馬達調速系統的馬達轉速降落進行了理論分析和實驗研究；對變頻泵控馬達調速系統進行了復合補償控制實驗研究；研究了模糊控制、單神經元控制和遺傳演算法在變頻泵控馬達調速系統中的應用，均得到了有益的結論。
分享友人
分享到 Line

分享到臉書