jet-pipe valve 中文意思是什麼
jet-pipe valve
解釋
射流管閥-
Jet - pipe electrohydraulic servo valve
射流管電液伺服閥 -
On one hand, it may exert damping on the armature of torque motor and overcome self - excitation of jet pipe. one the other hand, it may enlarge magnetic permeability of working clearances and improve magnetic circuit efficiency of torque motor to boost dynamic response speed of servo valve
一方面可增大力矩馬達工作氣隙部分產生的阻尼，從而可以抑制射流管的自激，另一方面又可增大工作氣隙的導磁率，改善力矩馬達部分的磁路效率，從而提高伺服閥的動態響應速度。 -
We are specialized in producing fire extinguisher valves and accessories for valves such as neck rings, handles etc. in addition, we also produce accessories for fire fight equipment such as fire hose, landing valve, jet apray branch pipe, hose coupling, fire cabinet and other spare parts for safety equipment
公司佔地面積15000平方米，建築面積1000平方米。廠區座落於329國道線邊上，地理位置優越，交通運輸便利。作為最好的消防產品生產廠家之一，我們的產品不僅在中國暢銷，還遠銷世界各地。 -
Magnetic fluid shows higher saturation when it is exposed to magnetic field. in this paper, magnetic fluid is used to improve the dynamic performance of jet pipe servo valve by filling magnetic fluid in the working clearances of torque motor between armature and core
本文利用磁流體在外加磁場作用下，具有較大磁化強度的特點，提出了在力矩馬達銜鐵和鐵芯的工作氣隙中加入磁流體，利用磁流體來改善射流管伺服閥動態性能的方法。 -
Before steam admission, valve on vacuum hogging extraction line （ the valve is befor hogging pipe of the two stage steam jet ejector ） should be closed ( see also two stages steam jet ejector installation and operation instruction )
在蒸汽進入之前，抽真空啟動管道上的閥門（啟動抽汽器前的閥門）應該關閉（請參見相應的兩級射汽抽氣器安裝使用說明書） 。 -
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。 -
Jet pipe servo valve has a good prosperity in the field of aviation, aerospace, ship craft, electrohydraulic system control and so on because of the high resistance to contamination, high sensitivity, high safety and long life
射流管伺服閥以其抗污染能力強、靈敏度高、安全可靠、壽命長等獨特優點而廣泛應用在航空航天、船舶、電液系統控制等各行各業中。 -
Because of the jet flow field for the prestage of hydraulic servo valve driven by jet flow, it is difficult to build an accurate mathematical model, thereby the analysis of servo pipe and whole servo control system is difficult to be carried out
由射流前置級驅動的伺服閥，由於射流流場的不確定性及流場分佈的復雜性，因而很難建立精確的數學模型，從而使伺服閥及整個伺服控制系統的分析難以實現。 -
At last, according to the experimental data of dynamic characteristics, mathematical models of jet pipe servo valve with magnetic fluid and without magnetic fluid which are used in the experiment are identified by using the method of system identification
最後依據動態特性實驗數據，運用系統辨識方法辨識出實驗使用的射流管伺服閥在未添加磁流體和添加磁流體兩種情況下的實際數學模型，為以後進一步進行模擬、參數優化等研究打下了基礎。 -
In this paper, simulation analysis and experimental research are given about dynamic response characteristics of jet pipe servo valve with magnetic fluid and without magnetic fluid. mathematical models of jet pipe servo valve with magnetic fluid and without magnetic fluid and mathematical model of magnetic fluid are deduced
本文通過對射流管伺服閥添加磁流體和未添加磁流體兩種情況下的動態響應特性分別進行了模擬分析和實驗研究，推導了未添加磁流體和添加磁流體的射流管伺服閥的數學模型，以及磁流體的數學模型。 -
Dynamic characteristics of jet pipe servo valve with magnetic fluid and without magnetic fluid are simulated in frequency domain and time domain by using matlab. simulation results are compared and analyzed. experimental research of frequency response about jet pipe servo valve is carried out about jet pipe servo valve with magnetic fluid and without magnetic fluid, and experiment results are also compared
用matlab模擬方法對未添加磁流體和添加磁流體的動態特性進行了頻域和時域模擬，對模擬結果進行了比較和分析，並對添加磁流體和未添加磁流體的射流管伺服閥進行了頻域響應實驗研究，對實驗結果進行了比較。
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