泵的流量 的英文怎麼說
中文拼音 [bèngdeliúliáng]
泵的流量
英文
pump capacity-
If the coefficient of engagement overlap decreases, the flow aggrandize, trapping volume and the flow pulsating ratio decreases
隨著齒輪嚙合重合系數的減小,齒輪泵的流量增大,困油容積和流量脈動率減小。The flux for calculate and trouble analyse of hydraulic pump
液壓泵的流量計算與故障分析Flow characteristics of moveable teeth gear rotator pump
農用高揚程大流量活齒齒輪轉子泵的流量特性The flow characteristics of the elliptic rotator pump
擺動活齒泵的流量脈動Study of standard compound gear rotator pump
橢圓齒輪轉子泵的流量特性研究The researchful results indicate that the flux pulse ration of ordinary helical gear pump without clearance is less than that of the gear pump with clearence under the condition that the main parameters are same, and the flux pulse ration of ordinary helical gear pump is less than that of whole profile meshing helical gear pump
研究結果表明:在主要參數相同的情況下,普通斜齒齒輪泵無側隙時流量脈動率小於有側隙時的流量脈動率;全齒廓嚙合斜齒輪泵比普通斜齒輪泵的流量脈動略小。Mainly, the type of pump in the large - scale irrigation and drainage pumping station in our country is adjustable - blade propeller pump. we can regulate the pump ' s blade mounting angle following the variation of water level at the inlet and outlet of the station in order to control the discharge of pump, we also determine the number of running machines with machine ' s optimal combination. so we can reduce its energy consumption, and make it optimally and economically run
我國大部分大型電力排灌站所安裝的泵都為可調節葉片的軸流泵,這一有利條件使我們可以根據排灌站進、出口水位的變化來調節水泵的葉片角度,控制水泵的流量,併合理的確定開機臺數,通過機組間的優化組合,使整個泵站的能耗最少,達到整體最優、經濟運行的目的。A test system was developed and an l9 ( 3 ^ 4 ) orthogonal experiment design was used to test the pump efficiency under different flow rates, lifts, electric voltages and currents
並設計了試驗系統,採用l9 ( 3 ^ 4 )正交試驗,以離心式水泵效率為試驗指標,進行了離心式水泵的流量、揚程、電壓和電流的測量。In this paper, on the basis of the analysis of gear pimp working principle, the mechanism of flow pulsation and methods of reducing flow pulsation are pulsation are studied. the computing formula of transient flow rate and the coefficient of flow pulsation are deduced. the relationship between the gear pump flow pulsation and the construction parameters of the gear is studied
本文在齒輪泵工作原理和流量脈動產生機理的基礎上,首先從理論上推導了齒輪泵瞬時流量和流量脈動系數的數學模型,分析了齒輪泵的輸出流量脈動與泵齒輪各結構參數之間的關系,並對某型齒輪泵進行模擬分析研究,給出了齒輪泵的流量脈動分析結果。Among them the flow pulse is more standing - out, which is the main reason of its not more widely used. because high flow pulse will lead to the worse of the smooth movement of hydraulic motor and pipe, also cause pressure pulse which lead to a high noise, and give the destructive damage to the axial, bearing, valve, the connect of pipe etc. how to make the flow pulse low has become the research of scholars of many country
其中流量脈動問題顯得尤其突出,它嚴重製約著齒輪泵的應用,因為泵的流量脈動大,不僅會使液壓缸運動的平穩性、液壓馬達回轉的均勻性性變差,而且會引起壓力脈動,進而使管道、閥門乃至整個系統振動(特別是在共振時) ,並發出很強的噪聲,這對軸、軸承、管接頭及密封都有破壞性影響。Points out that some designers only use empirical methods in determining the inner diameter of pipeline, calculating system resistance and selecting the rated flow and rated head of circulating pumps in water systems
摘要指出目前一些設計人員在設計空調水系統時,僅根據經驗值估算管道內徑、計算管路阻力和選配系統循環水泵的流量和揚程。In chapter 5, thermal characteristics of spindle system with cooling jacket are analyzed on xk717 cnc milling machine by combining 3d finite element model with the temperature model of cooling water between spindle system and water tank. the effect factors to thermal behavior of the main spindle system are studied by analyzing both cooling parameters and structure. finally, the main conclusions and prospects for the future research are presented
第五章建立了xk717數控銑床主軸及主軸箱的三維有限元模型,結合普通水箱進行冷卻時冷卻水溫升的數學模型,對帶有冷卻套冷卻的銑床主軸系統進行熱特性分析,得出了各種參數(如冷卻泵的流量、水箱的大小、散熱狀況及冷卻水的溫度)對主軸熱特性的影響規律;並提出了對主軸冷卻套的布局進行改進的想法,從而為數控銑床的設計提供了理論依據。Flow pulsation of hydraulic pumps is the source of pressure and flow pulsation in hydraulic systems. one method to reduce the pressure and flow pulsation of system is to reduce the flow pulsation of hydraulic pumps
液壓泵的流量脈動是液壓系統存在壓力及流量脈動的根源,消除液壓系統壓力及流量脈動的方法之一是減小液壓泵的流量脈動。As external gear pump has the most serious problem of flow pulsation, how to analyze the flow pulsation of gear pump and to optimize the construction parameters of gear pump is especially important for the design and performance improvement of gear pump
在液壓泵中,以外嚙合齒輪泵的流量脈動最大,因此對齒輪泵流量脈動進行分析,以減小流量脈動為目標,對齒輪泵的結構參數進行優化設計,從而為齒輪泵的設計及齒輪泵性能的提高提供理論基礎。When the water head and the flow are given, we can regulate the pump ' s blade mounting angle to control the discharge of pump in this pumping station that contains only one type of pump. we also can determine the number of running machines with machine ' s optimal combination. so we can reduce its energy consumption, and make it run optimally and economically
當水頭和抽水流量給定時,這類泵型單一的泵站,可以通過調節水泵的葉片角度,控制水泵的流量,併合理確定開機臺數,通過機組間的優化組合,使整個泵站的能耗最少,達到整體最優、經濟運行的目的。Through incision experiment on the impeller of circulating pump times and times, the relation between the size of incision and the capacity and head of the pump was discussed, the law of performance was summarized after the impeller is incised, the existing formula was revised
摘要經過對混流泵葉輪多次切割試驗,探討了葉輪切割量與泵的流量、揚程之間的關系,總結了混流泵葉輪切割后的性能變化規律,進而對現有公式進行了修正。Therefore, the study of the fluid transient accompanying the growing and collapsing of gas bubbles and cavitation in low pressure hydraulic pipelines is absolutely important for the prediction of the hydraulic pump performance and the safety of hydraulic system
因此,研究低壓液壓管路有氣泡和氣穴產生的瞬態壓力脈動過程,對于液壓泵的流量特性預測以及液壓系統的正常工作有著重要的意義。The change of fluid velocity and pressure of the micropump was also simulated, thus we could recognize the property of the liquid of the microsystems more completely. the equivalent circuit method is a way of building micro system model. the thesis simulated the micropump system with the equivalent circuit method, worked out the change of output pressure and flux of the micropump
微泵的流量和壓力是微泵的重要工作參數,應用有限元流固耦合分析對流體進行模擬,經過分析計算,得到微泵的輸出流量為145 . 5 l / min ,並模擬出流速和壓力的變化情況,從而較為全面的認識了微泵系統的流體特性。The discharge that means a pump is 50 m
表示泵的流量是Taking advantage of the good points of the fuzzy control adjusting the flow rate of the pump according to the variation of the external load by fuzzy inference, the energy saving of the excavator is accomplished without the help of the modelling of its whole complex system
此方案利用模糊控制的優點,繞過對挖掘機復雜來系統模型的建立,通過模糊推理演算法,根據外負載的變化動態調整泵的流量,達到節能的目的。分享友人