泵工況 的英文怎麼說
中文拼音 [bènggōngkuàng]
泵工況
英文
pumoperating condition-
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。Analysis of the economy on the water feeding pump steam turbine under variable working conditions
變工況下給水泵汽輪機經濟性分析研究Using the program, the thesis studied the status of the chilled water distribution in the system when operating in the practical conditions, and analyzed the performance of the system when adopting different controlling methods of pumps and the chilled water flow in the ahus ( air handling unit ) during the course of converting the constant chilled water flow system to variable chilled water flow system
利用所編寫的程序研究了冷水系統實時工況下運行時，冷水系統內水量的實際分佈情況；分析了定水量系統改造為變水量系統時，採用不同的水泵控制方案及末端採用不同的水量控制方法時的系統性能。According to the actual working condition of the electric motor on ground drive screw pump, two kinds of new motors are proposed, that is the gearshift multi - power single speed motor and speed regulating pole change motor
摘要根據地面驅動螺桿泵電動機的實際工況，提出了分擋多功率單速和變極調速2種新的電動機設計方案。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。Tests the operation status of an air - cooled heat pump air conditioner under defrosting conditions, and records the evaporation temperature and exhaust fan current at different voltages
摘要實驗測定了一臺空氣源熱泵空調機組除霜工況下的運行狀況，記錄了蒸發溫度和不同電壓下的排風機電流。Introduced working state real time monitoring and testing, fault diagnosis system and its key instrument, including the working principle of torsion, axial force, rotary speed as a whole sensor, the main parameter index of oil well using progressing cavity pump
介紹了螺桿泵採油系統工況實時監測與故障診斷系統及其核心儀器：扭矩、軸向力、轉速一體化傳感器工作原理、主要參數指標。Abstract : introduced working state real time monitoring and testing, fault diagnosis system and its key instrument, including the working principle of torsion, axial force, rotary speed as a whole sensor, the main parameter index of oil well using progressing cavity pump
文摘:介紹了螺桿泵採油系統工況實時監測與故障診斷系統及其核心儀器：扭矩、軸向力、轉速一體化傳感器工作原理、主要參數指標。The paper analyzes the non - lineal relations of the quantity of heat exchange and water flux of coil exchanger in part - load operating condition, the shortage of deciding the water flux in bypass pipe, the disadvantage that the operating condition of pumps and chiller ca n ' t be met with the load change of the air conditioning system in different operating condition of using pressure - difference bypassing control in primary water pump system. using load control method in the change of the operating condition of primary water pump system can realize that the load change is small and reasonable in the on / off condition of pumps and m m chiller by comparing load control method in primary variable - flow water pump system with pressure - difference bypassing control method, back water temperature control method
本論文從目前空調工程中使用的變流量水系統入手，研究了盤管換熱器在部分負荷下水流量與換熱量的非線性關系，分析了文獻中介紹的旁通管通流能力選擇的不足之處和一次泵水系統採用壓差旁通控制時，工況轉換不能滿足系統控制要求的缺陷；比較了一次泵變流量水系統中壓差旁通控製法、回水溫度控製法、負荷控製法的精確性，並得出了在一次泵水系統的工況轉換時，採用負荷控製法能使冷水機組及其相應水泵在啟停時的負荷變化范圍較小，更符合建築物的冷量需求，節能效果較好的結論。But there is still a difficult problem present in the low specific speed sewage pumps : with changeable operation points, the motor is often destroyed by overload, which restricts the application of the pump in many fields
但是低比速排污泵在工況多變的場合極易因過載而燒毀電機，這一問題一直沒有得到很好的解決，這大大限制了排污泵的使用范圍。Correspondingly, its theory is up to developed to a higher level. in this thesis, taking the risk management activities of the two parties of insurance as the perceptive and the process of engineering insurance as the clue, the establishment of risk management system is analyzed during the process of risk identification and evaluation, insurance contract arrangement, disaster prevention and loss reduction, and the compensation management. furthermore
本文在查閱大量文獻的基礎上，對疏浚泥泵及排泥管道的動態特性現象進行了分析，並應用面向對象的c + +語言開發了比較通用的計算機程序，對緊急關閥、水下挖掘機具（如絞刀、斗輪等）吸泥口堵塞以及事故拋泵等典型的動態工況特性進行了計算和分析。Talking about the flow and lift of parallel - series pump working points with computing method
淺談計演算法求解並聯水泵工況點流量及揚程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。Through analyzing the figure of energy wasting of pump, the quality in pipes is direct proportion of the speed of pump if the speed of pump is reduced. the power of electromotor fell the cube of the speed of pump. so the energy wasting of constant pressure water supply based on variable frequency speed regulating technology is envident less than the traditional mode is used throttle to supply water
分析水泵工況的能耗比較圖，可以看出利用變頻調速實現恆壓供水，當轉速降低時，流量與轉速成正比，功率以轉速的三次方下降，與傳統供水方式中用閥門節流方式相比，在一定程度上可以減少能量損耗，能夠明顯節能。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。By this way, however, the working pressure of the fire water system will be at higher level in case of the central stabilizing high pressure system and undesirable consequences related to the pressure - acceptance of the pipe and the joints shall come forth
而在集中穩高壓給水系統中，這樣確定的穩壓泵揚程及設定壓力值，往往使消防給水管網始終處于較高壓力工況，因而使管網內水壓與管道及其介面的承壓能力這一對矛盾趨于突出。Through the statistic analysis on the change of the melt gear pump working condition pre - and post - pet plant capacity increasing and concatenate direct spinning process, the reasons for the unsteady running were studied, the modification measures such as lubricating the oil groove with sliding bearing, mechanical sealing of the gear pump, decreasing the gear pump outlet pressure, changing the automatic speed increasing to hand speed increasing were put forward
摘要通過對聚酯裝置增容和後接直紡長絲前後熔體齒輪泵工況變化的統計分析，研究其運行不穩定的原因，提出改造措施，包括滑動軸承潤滑油槽，齒輪泵的機械密封，降低齒輪泵出口壓力，改自動提速為手動提速等等。Study on startup of self - pressurizer
熱泵工況下滾動轉子式壓縮機試驗研究Besides, it is suggested that the diagnosis and analysis technique of the working conditions of the subsurface pump be further developed and improved to ensure the effective and reliable operation of oil pumping equipment
此外，建議進一步發展和完善玻璃鋼抽油桿柱超深抽採油的井下泵工況診斷與分析技術，確保抽油設備高效可靠地運行。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。分享友人