直流泵 的英文怎麼說
中文拼音 [zhíliúbèng]
直流泵
英文
straight flow pump-
Zmd catena of self inhale magnetic force pumps adopt structure of electrical engine direct link form, by centernog prop up, the structure is tightly, teardown and maintenance is convenient, adopt high - powered magnetism stuff nd fe boron to make inside and outside magnet. isolationsheath assembled make of import nonmetallic material, avoid magnetism backset ullage of the run - of - mill pumps have drastically
Zmd系列自吸磁力泵採用電機直聯式結構,由中間支架支撐,結構緊湊,拆卸維護方便,採用高性能磁性材料「釹鐵硼」製造內外磁體,隔離套採用進口非金屬材料,徹底消除了一般磁力泵具有的磁渦流損耗,可輸送高濃度,密度大於1 . 84 t mSmall craft - electrically operated direct - current bilge - pumps
小艇.電動直流艙底泵Recently, in the field of microfluidics system the drive mode of flow is a key problem, dc electroosmoticflow micropump bases on the principle of electroosmosis, which control the flow in the microchannel with electric field. recent years, it is more and more attracting people to realize it
當前在微流控系統中液體的驅動方式是一個關鍵問題,直流電滲流微泵是基於電滲原理,利用電場控制通道中的液體流動,實現無運動部件的液體流動系統,近年越來越受到人們的重視。Experiental research on the characteristics of small diameter jet pump
66型小直徑射流泵特性試驗研究The carrier wave is modulated directly by the baseband signal at several frequency point in l band and s band. firstly, this paper clarifies the theory of i / q modulation, elaborates evm and acpl, and analyzes the effect of amplitude and phase unbalance and dc offset on evm. secondly we review the basic principle of phase locked loop and it ’ s composing parts, including the basic conception and design method of pll frequency synthesizer, especially introduce the charge pump pll frequency synthesizer in detail
首先,在闡述i / q正交調制基本原理的基礎上,通過對誤差矢量和鄰近通道功率泄漏的詳細分析,定性、定量地討論了各種非理想電路因素(如相位不平衡、幅度不平衡、直流偏差等)對調制器性能的影響;其次,介紹了鎖相環的工作原理和基本組成部分,包括鎖相環的設計和環路濾波器的設計,特別詳述了電荷泵鎖相頻率源;第三,介紹了採用直接調制技術模擬衛星信號的射頻前端的設計;最後,對整個直接射頻調制系統進行測試,結果基本上達到了課題要求。During the circuit design, the author analyzed the basic principle of the direct current motor, pwm control, h - bridge power driver, and two control techniques of h - bridge power drive circuit, designed its general structure, so the feasibility of the design is confirmed. then, reference, oscillator, power dmos gate drive circuit ( charge pump, bootstrap ), and dead time generation circuit are designed and analyzed in the sub - circuits. a current - controlled oscillator is presented in this thesis
在電路設計中,作者介紹了直流電機的工作原理和數學模型、脈寬調制( pwm )控制原理、 h橋電路基本原理和h橋功率驅動電路的兩種控制模式,設計了驅動電路的總體結構,給出了電路的功能模塊,確定了設計的可行性,然後在子電路模塊中,重點分析設計了基準源電路、振蕩器電路、高端功率管柵驅動電路(電荷泵及自舉電路) 、低端功率管柵驅動電路和死區時間產生電路。Applying the theory on hydrodynamics and combining the structure of the pump, the method of calculating the flux is found, using the simulating dual pump which mercury serve as the working medium, by the experiment on the electromagnet used in the dual pump, the optimum method of the coil connection is gained ; by the experiment on the relation the static pressure and the working parameter in different groove structure, a high - efficiency groove structure named as " + " shape are devised ; by comparing the static pressure and flux between single pump and dual pump, the conclusion that the flux of dual pump is about 1. 6 times as much as the flux of single pump is educed, and prove it practical that the dual pump is adopted to increase the flux
利用水銀為工作介質的雙聯電磁泵,通過對雙聯電磁鐵不同接法的實驗研究,找到最佳激磁線圈接線方法;通過對不同流槽結構的靜壓頭與工作參數關系實驗,研究得出一種高效率的新型流槽結構? ?十字型流槽結構;通過對單泵、雙泵的泵高和流量實驗,得山了在同等工作條件下,雙泵流量大約為單泵的1 . 6倍的結論,從而證明了採用雙聯泵的方法來提高直流電磁泵的方法是切實可行的。The company has lots of senior engineers and professional technicians and it is engaged in the production of various wet valve electromagnet mfb1 ( z1 ) - yc series, lex series of germany, youyan electromagnet series, ac / dc dry electromagnet, explosive electromagnet series as well as electromagnet used for concrete conveying pump
公司擁有高級工程師和專業技術人員多名,是一家專業生產各種濕式閥用電磁鐵mfb1 ( z1 ) - yc系列,西德力士樂系列,日本油研電磁鐵系列,交直流乾式電磁鐵,防爆電磁鐵系列,混凝土輸送泵用電磁鐵。We are specialized in manufacturing all kinds of series universal ac motor, pmdc motor, brushless dc motor, induction motor, shaded - pole motor, stepped motor, servo motor, controlled motor, flame - proof and submersible motor
專業製造各類串激電機永磁直流電機無刷直流電機感應電機罩極電機輪箱電機步進電機伺服電機控制電機防爆及潛水泵電機。Streaming from the hot end to the cold end of the regenerator was found which would waste much useful heating energy. modified structure of the jet pump could control this sort of streaming efficiently
實驗中還觀察到了直流現象,氣體從回熱器熱端向冷端運動,造成大量的能量浪費,通過改進噴射泵結構可以有效抑制直流。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。The above results can afford a valuable reference for the structure design of the electromagnetic pump with great flux
以上研究結果為大流量直流電磁泵的結構設計提供了有益的參考。In this paper, several key technique related to the exploitation and design of the direct current electromagnetic pump with great flux are studied ; in order to prove the feasibility of the direct current electromagnetic pump with great flux, the simulative experiment are proceeded
本文研究了與人流量直流電磁泵研製設計有關的兒項關鍵技術,並進行了雙聯直流電磁泵的可行性模擬實驗研究。The cooler designed is a pipe - shell type cooler and the water pump driven by direct current servo motor is an away center type pump
設計的冷卻器是管殼式,水泵採用直流伺服電動機帶動的離心式水泵。The emphasis of this paper is the commutation control of sensorless bldc motor, which is used to drive photovoltaic pumps
本文所研究的重點是無位置傳感器直流無刷電機的換向控制,電機驅動的對象為光伏水泵系統。The theoretical model of dc electroosmotic flow field is built based on the forming principle of the pumping rate and pressure of electroosmoticflow micropump. the numerical values of electric double layer and electroosmoticflow field are solved by using vorticity stream funcion formulation and finity difference algorithm. it shows many factors influence the pumping rate such as electric field indensity, section area, section shape, the dielectric constant and the viscosity constant of flow
本文詳細的綜述了直流電滲流微泵的國內外研究狀況,闡述了雙電層和直流電滲流微泵的原理,研究了電滲流微泵流量與壓強的產生機制,建立了直流電滲流流場的理論模型,並利用渦度流函數法和有限差分法得到雙電層電勢和電滲流流場數值解。Permanent magnet brushless dc motor is selected for pump driving, a neutral simulator of back - emf is set up for rotor position sensing solution instead of sensor, which proved to be right in theory
本論文敘述了一種智能、高效的光伏水泵系統,系統採用無位置傳感器的永磁直流無刷電機驅動水泵。This text is on the purpose of practical application, and the theorie and experimented of dc electroosmoticflow micropump are researched, which offers the basics of theories and experiment for the application of dc electroosmoticflow micropumps
本文是以實際應用為目的,對直流電滲流微泵的理論和實驗進行了深入的研究,為直流電滲流微泵的應用提供了理論和實驗基礎。Centrifugal pump is a commonly hydraulic machine, whose inner flow has direct influence on pump ' s performance and is a considered problem by the pump designers
離心泵是一種通用水力機械,其內部流動情況一直是泵設計人員十分關注的問題,因為泵內流動的優劣直接影響泵的性能。Simulation is applied using the software matlab and femlab on the base of theory. analyze and calculate the flow resistance in microchannel with various section shapes and flow velocity in microchannel with various inner diameters. those results offer the instruction on research of flow characters in microchannel and design dc electroosmiticflow micropump
以理論為基礎,利用matlab 、 femlab進行模擬分析,並且對不同截面形狀微通道的流阻和不同當量直徑微通道內的流速進行了分析計算,其結果為電滲流在微通道內的流動特性的研究和直流電滲流微泵的設計提供了理論依據。分享友人