噴嘴閥 的英文怎麼說
中文拼音 [pēnzuǐfá]
噴嘴閥
英文
nozzle control valve-
Comparing the usage of duckbill valve with multi - port heads in fengpu outfall in shanghai it is concluded that whether or not duckbill valves shall be used in a sea outfall depends on the comprehensive analysis of the specific engineering conditions
結合上海市奉浦排海工程,對使用鴨嘴閥與多噴口噴頭進行了比較,認為鴨嘴閥在排海工程中的使用與否應根據具體工程綜合分析決定。Hydraulic flapper - nozzle servo - valve is the most important component in hydraulic control systems. it is used very widely in industrial and aerospace application fields because of its high responding speed
噴嘴擋板伺服閥作為伺服控制元件,是閉環電液伺服控制系統中最重要的核心元件。In order to improve the reliability of servo system, a triplex electro - hydraulic servo actuator system with three torque motors, three jet flapper valves and three sets of feedback components is designed
摘要為了提高伺服作動系統的可靠性,設計了一種三餘度的電液伺服作動系統,將伺服閥的力矩馬達、噴嘴擋板閥、系統的反饋元件等做成一式三份。Therefore the output magnetic torque of torque motor can be increased. in this paper, mathematical model of hydraulic flapper - nozzle servo - valve is introduced. the mathematical model of magnetic fluid is built according to the reference introduction
本文給出了噴嘴擋板伺服閥的數學模型,對作用於伺服閥力矩馬達的磁流體數學模型進行了推導,給出了添加磁流體的噴嘴擋板伺服閥的數學模型。Valves for gas installations ; nozzles with gasket
煤氣裝置用閥門.帶密封墊的噴嘴Needle valve nozzle mv
針閥噴嘴Calibrating nozzle, delay pintle type
道路車輛.延遲針閥式標定噴嘴The polyamide to easy generation salivate ( pa ), through choosing form of a powerful person hot nozzle also can realize hot flow path to shape
對易產生流涎的聚酰胺( pa ) ,通過選用閥式熱噴嘴也能實現熱流道成型。Regarding how to design the valve structure, material choosing, design methods, for instance, how to design the pressure - releasing valve, and how to design the nozzle of the valve
電站旁路閥,高溫高壓閥,減溫減壓閥,調節閥,最小流量閥等結構,材料,設計方法。如減壓閥的設計,噴嘴的設計。The results showed that the range of target finishing temperature can be provided and kept on in an energy - saving manner with lower frequency of spray nozzle opening if opening reversely but closing forwardly the cooling valve for inter - stand spray during water cooling
對兩種截然不同的機架間噴水冷卻閥門開啟邏輯做了計算分析,結果表明,逆向開啟機架間噴水冷卻閥門,順向關閉閥門,能以較少的噴嘴開啟數達到終軋溫度目標范圍,並且可以節約能耗。Water injection system includes pulverization system and controlling system of water quantity. pulverization system includes air resource, water resource and gas - mist nozzle ; controlling system of water quantity includes booster, controlling circuits. water quantity is decided by hydraulic pressure and gas pressure
噴水系統包括霧化系統及水量控制系統,其中霧化系統包括空氣源(空氣壓縮機) 、水源(加壓水)及氣?霧噴嘴;水量控制系統包括比例調壓閥、控制電路部分。Standard and non - standard hot runner system, dies, nozzles, valves style nozzles, streaming panels, temperature controls, timing controls
熱流道模具噴嘴閥式噴嘴分流板溫度控制器時序控制器Sprays valve and nozzles must be kept in proper alignment and working order to maximize shape efficiency
必須保持噴油閥和噴油嘴對中和工作順序正確以最大限度地提高板型效率。As a simple device without moving parts, vortex tube is composed of nozzle, vortex chamber, separating plate, control valve, hot - end and cold - end
渦流管是一種結構極為簡單的製冷裝置,它由噴嘴、渦流室、分離孔板、熱閥以及冷熱兩端管組成。However, by comparison with flap nozzle servo valve which has been used widely and popularly by now, the torque motor of jet pipe servo valve has a larger rotary inertia. this causes low natural frequency of servo valve, and thus the response speed of jet pipe servo valve is slow. moreover, the jet pipe of servo valve has large flexibility, and it is easy to excite oscillations and noise in the valve, which is named self - excited oscillations and noise
然而與目前普遍使用的噴嘴擋板伺服閥相比,射流管伺服閥的銜鐵組件轉動慣量大,導致力矩馬達部分固有頻率低,從而響應速度慢,此外,射流管供油管柔性大,容易產生自激現象,這些缺點都使得射流管伺服閥的動態特性差,從而影響了它的工作性能。Full size orifice - all series n388 valves have a full - size orifice to assure pipe size capacity. water passages are streamline to provide high water flow with minimal pressure loss
全通徑噴嘴-所有系列n388閥門都有一個全通徑噴嘴以確保管道口徑的通過能力。水流道為流線型,在壓降最小前提下實現高流量。It will exert resistance and damping force to the torque motor armature, so that the dynamic performance, especially the stability, of flapper - nozzle servo - valve can be improved. the self - excited oscillations and noise can be removed. at the same time, as magnetic fluid has a higher magnetic permeability, the efficiency of torque motor magnetic circuit can be improved
由於磁流體具有的較大磁導率和較大的磁化強度,把磁流體添加到伺服閥力矩馬達的工作氣隙中,可提高伺服閥力矩馬達的磁迴路效率,增加伺服閥的阻尼,從而改善噴嘴擋板伺服閥的動態特性,抑制及消除其自激振蕩和噪聲。Experiments are carried out to test the dynamic response of the servo - valve with or without magnetic fluid and the force characteristics on torque
最後對磁流體作用力特性以及添加磁流體和不添加磁流體的噴嘴擋板伺服閥的動態特性進行了實驗研究。When magnetic fluid is filled into the working gaps of servo - valve torque motor between the armature and cores, it shows a higher saturation magnetization because of the working of the magnetic field inside the gaps
因此,本文提出了採用磁流體改善伺服閥性能的方法,著重研究了磁流體添加到力矩馬達工作間隙后,對噴嘴擋板伺服閥動態性能的影響。And the mathematical model of hydraulic flapper - nozzle servo - valve with magnetic fluid is derived. the dynamic performance and characteristics of hydraulic flapper - nozzle servo - valve are simulated using matlab / simulink. the dynamic responses in time domain and frequency domain are given and compared when magnetic fluid is used or not in the servo - valve
採用matlab / simulink對添加磁流體不添加磁流體的噴嘴擋板伺服閥的動態進行了模擬研究,給出了伺服閥頻域及時域響應特性,比較得出磁流體在改善噴嘴擋板伺服閥動態特性方面的作用,進一步研究了磁流體各參數對伺服閥動態特性的影響。分享友人