泵轉速計 的英文怎麼說

中文拼音 [bèngzhuǎnsùjì]
泵轉速計 英文
pu tachometer
  • 泵 : 名詞（吸入和排出流體的機械） pump
  • 轉 : 轉構詞成分。
  • 速 : Ⅰ形容詞（迅速; 快） fast; rapid; quick; speedy Ⅱ名詞1 （速度） speed; velocity 2 （姓氏） a surna...
  • 計 : Ⅰ動詞1 （計算） count; compute; calculate; number 2 （設想; 打算） plan; plot Ⅱ名詞1 （測量或計算...
  • 轉速 : speed; revolution; rotation rate; speed of revolution; rotating speed; rotational speed轉速指示器...
  1. This drilling adopts crank connecting link and walking beam percussion mechanism, which make the drilling possess two percussive functions, normal drilling takes connecting link impact as main mode, when encountering special situation and the connecting link impact can not drill, it can transform into hoisting impact, the stroke length can be modulated, it realizes automatic percussive drilling due to continuous operating of connecting link percussive mechanism, these can enhance drilling efficiency and relieve labor intensity ; it adopts pumping reverse circulation to drain slag, which not only resolves the drilling difficulty in special stratum such as pebble and gravel stratum and hard stratum, but also resolves the problem that the percussive drill ' s efficiency is low ; it adopts spur gear differential mechanism as double cylinders lazy tongs of main hoist, which not only ensures the balance state of drilling tool, but also reduces the mechanical design, and reduces the cost ; the bottom plate traveling motion of this drilling machine adopts walking type ; the drilling tower adopts hydraulic pressure uprising, and reduces the assistant operating time

    該鉆機採用曲柄連桿、游梁式沖擊機構，使鉆機具有兩種沖擊功能;正常鉆進以連桿沖擊為主，遇到特殊情況，用連桿沖擊不能鉆進時，可轉為卷揚沖擊，沖程可調，因連桿沖擊機構連續工作，所以實現了自動沖擊鉆進，可提高鉆進效率，減輕勞動強度;採用泵吸反循環的方式排渣，既能有效解決卵礫石地層、堅硬地層等特殊地層鉆進的困難，又很好地解決了沖擊鉆機效率低下的問題;採用直齒圓柱齒輪差速機構作為主卷揚的雙筒同步機構，既保證了鉆具處于平衡狀態，又大大簡化了該機構設計，降低了成本;該鉆機底盤行走移位採用步履式;鉆塔採用液壓起立，減少了輔助作業時間。
  2. 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。
  3. Speedy calculation of critical speed of vacuum pump

    真空泵臨界轉速的快速計算
  4. The litter - resistance slowly closing butterfly check valve is developed a newest product based on our butterfly check valve, hydra - matic transmission to be add in the valve with unique design, new stuction and optimum performance, can be used pipeline of water supply and dring with such media : fresh water, sea water, sewage, raw water, ect. the valve should be installed at outlet of the water pump, in stapping the pump, the process of slowly closing after valve plate shuts rapidly. can be guard effectively against the destruction water hummer, so to ensure the safe operation of the pipline

    微阻緩閉蝶式止回閥是在我廠生產的蝶式雙瓣止回閥的基礎上利用能量轉換原理增設油壓緩閉裝置的新型模式止回閥，設計獨特，結構新穎，性能優宜，適用於凈水，源水，污水，海水等介質的供、排水管路中，安裝於水泵出口端，停泵時由於油壓阻尼作用法盤先速閉后緩閉，以消除破壞性水錘，保證灌路安全運行。
  5. According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

    本文首先介紹了ld泵浦nd ： yag激光器的發展狀況、主要特性及其應用，從四能級速率方程出發，推導了ld泵浦nd ： yag激光器的閾值、輸出功率和斜效率的表達式，並簡述了激光器的工作原理、結構型式和倍頻方法；其次，以空間相關的速率方程為基礎，提出了ld端面泵浦nd ： yag激光器的設計方法，給出了一定泵浦耦合方式下，振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據，以此為依據，設計了自聚焦透鏡耦合小功率ld泵浦nd ： yag激光器和透鏡組耦合高功率ld泵浦nd ： yag激光器，對激光器的輸出功率和功率穩定性等特性進行了實驗研究；再次，在帶尾纖輸出的高功率ld泵浦nd ： yag激光腔內插入一隻空液晶盒，觀察到了激光器以單縱模運轉；最後，根據泵浦光焦斑端面位置對激光輸出功率的影響規律，提出了ld端面泵浦nd ： yag激光位移傳感新方法，並進行了理論和實驗研究，研究結果表明：當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時，激光輸出功率的自然指數與泵浦光焦斑的縱向位置成高斯變化規律，測量范圍和靈敏度依賴于泵浦功率，隨著泵浦功率的增加，測量范圍擴大，靈敏度提高，當端面泵浦功率為7 . 24w （最大輸出功率為1 . 926w ）時，激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  6. The second chapter simply introduces the development of alternate asynchronous inverter technology and retrospects some types of energy - saving systems for hydraulic elevators. then the working principles of the project are discussed and analyzed at four different working status, i. e. light load upwards, heavy load upwards, light load downwards and heavy load downwards. and the chapter focus on the introduction of structure design of pump station, calculation and type selection of pump / motor reversible units, research on oil leakage principles of accumulator circuit, design of accumulator - pump / motor pressure - energy transformer and integrated valve blocks, etc. the last but not the least, the electrical wiring of vector inverter control cabin and design of computer control and data acquisition system are introduced

    論文第二章首先簡單介紹了交流異步電動機變頻調速技術的發展概況，在回顧電梯液壓控制系統節能技術的基礎上，介紹了本課題研製的「採用蓄能器的液壓電梯變頻節能控制系統研究」的基本原理，分析了動力系統在電梯轎廂輕載上下行、重載上下行等四種典型工況下的基本工作狀態和工作方式；詳細地介紹了本課題節能系統液壓動力泵站的結構設計和參數設計，重點研究了液壓動力泵站的結構設計、液壓泵馬達可逆性問題及其選型設計計算、蓄能器迴路泄漏油損失機理的研究及其補償裝置的設計、蓄能器-泵馬達壓力能量轉換裝置的設計、多功能集成控制閥組的設計等內容；最後簡單介紹了本課題矢量控制變頻控制櫃的外部附件電氣接線、計算機控制及數據採集系統的硬體設計等內容。
  7. Major products : water quality testing monitoring instrument : ph meter, conductivity meter, tds meters, orp meter ; pna meter, salt meter ; rotary speed measurement of the machinery manufacturing equipment : many functions tachometer ; air quality testing instrument : thermometer, hygrometer ; others : refractometer, water pump

    主要產品：水質檢測監控儀： ph酸度計ec電導率儀tds計orp氧化還原計鈉度計鹽度計機械製造設備轉速測量：多功能轉速表光電轉速表空氣質量檢測儀：數字溫度計溫濕度表光學檢測儀器：折射儀以及污水潛水泵。
  8. Design of small - discharge low - specific - speed submersible sewage pump

    小流量低比轉速潛水排污泵的設計
  9. 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。
  10. Adopting the mode of experiment data processing currently with computer control, the cat system is constructed, and it can contrqj hydraulic pump ' s rev and pressure

    本論文所述系統採用兼有測試試驗數據處理和計算機控制功能的微機系統模式來組建cat系統，可對液壓泵轉速和輸出壓力進行控制。
  11. In the mode using constant rate water pump, pumps are put to run atfull capacity in all operation cycles, with no means for water flow rateregulation attached, incurring significant waste of electric power

    高位水箱造價較高，並且需要增加樓房的設計強度，增加了投資成本。恆速泵打水總是滿負荷運轉，不能根據用水量的多少調整泵流量，因此浪費電能。
  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. The test platform adopts controlled system for silion controlled governing and electrohydraulic proportional relief valve loading to achieve the microcomputer controlled

    實驗臺採用可控硅直流電機控制轉速系統和電液比例溢流閥加載系統來實現被試泵的計算機控制。
  14. This system tests 19 parameters such as the pressure of fore and after main fluid pumps and every sub fluid pumps ", force of pedal, turn angle of steering wheel, speed of every wheels and car body, and calculates 9 correlation analyses according to the gb112676 - 1999 " automobile system structure, capability and test methods " and gb7258 - 1997 " technical regulation of automobile safety ", also it can generate data report automatically

    該系統對汽車制動過程中前後液壓總泵出口液壓、各制動分泵進口液壓、腳踏板力、方向盤轉角、各車輪轉速、車體速度等共計19個物理量進行測試。系統硬體由便攜式計算機、數據採集器以及相應傳感器組成。硬體設計中採用了模塊化設計思想，使得測試系統體積小、重量輕、抗振動、安裝拆卸方便、易於維護、可以進行隨車實測試驗。
  15. Finally, the principle of phase - locked - loop for speed control is discussed. the control methods of torque and magnetic levitation force are studied experimentally on a prototype bearingless motor. based on the analysis of shortcomings of the analog control system, a digital control system is proposed

    分析了採用鎖相環對電機轉速進行閉環控制的原理；設計了磁懸浮力的模擬控制器並對磁懸浮血泵電機進行了實驗研究；針對模擬控制系統存在的缺點，本文設計了一種數字控制系統。
  16. According to the theory of developing viscous crude with screw pump and combined with the reservoir characteristic and oil property, fault block 70 is developed reasonably and effectively through a series of corollary technique including chemical pre - processing in the formation, viscosity decrease in the well bore, down - hole anchoring of screw pump, optimized design of screw pump, reasonable determination of the turning rate of screw pump, frequency alternating control, heat exchange and viscosity decrease in well head, monitoring of screw pump

    依據螺桿泵開采重油的理論，結合澤70斷塊稠油油藏的特點和原油物性，通過實施地層化學預處理、井筒降粘、螺桿泵井下錨定、螺桿泵優化設計、螺桿泵合理轉速的確定、變頻控制、井口換熱降粘、螺桿泵監測等一系列螺桿泵配套工藝技術，使澤70斷塊得以合理有效的開發。
  17. There are valid methods to improve the cavitation performance of the mixed flow pump that is select the best cavitation performance point as design point, reduce the operation speed and adopt effective impeller parameters

    選取最佳汽蝕性能工況點為設計工況點，在滿足尺寸要求前提下降低轉速，採用合理的葉輪參數等手段可有效提高混流泵的汽蝕性能。
  18. The traditional molecular pump with popular bearing can not meet the challenge of semiconductor manufacturing because of the vibration, short life, unpure vacuum and so on. so it is very important to design the magnetic bearing and power amplifier for molecular pump

    本課題研究的目的是，解決傳統軸承型分子泵應用在半導體製造行業時出現轉速低、壽命短、真空不潔凈等問題，設計分子泵的磁懸浮軸承結構和功率放大器，對實現分子泵在半導體工業中的良好應用有著重要的意義。
  19. 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。
  20. 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。
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