damping fluid 中文意思是什麼
damping fluid
解釋
緩沖液-
On the basis of the hamilton ' s principle, the element mass matrix, stiffness matrix, and damping matrix caused by coriolis force of the finite method for the conveying fluid tubes were educed in the paper
本文用哈密頓變分式推導輸送流體管道的有限元法分析單元質量矩陣、剛度矩陣和科里奧利力引起的阻尼矩陣。 -
Electromagnet fluid damping galvanometer
電磁液體阻尼振動子 -
The rheological equations, derived from n - s equation in hydromechanics employing the newton fluid model and the bingham plastic model, demonstrate that damping force can be controlled by changing the magnetic field in the gaps. 4
流變學方程表明：改變阻尼通道的磁場強度可以控制磁流變阻尼器的阻尼力，從理論上分析了磁路參數和阻尼通道的結構參數對磁流變阻尼器阻尼力的影響。 -
The structure and operating principle of an air - charged split - type adjustable shock absorber was described, e non - linear parameterized mathematical model of this shock absorber ' s damping characteristics was established according to fluid mechanics theory and the main structural affection factors to shock absorber ' s damping performance, such as the diameter of piston valve orifice, the diameter of adjustable orifice, the initial volume of gas chamber, the diameter of piston rod, the inner diameter of oil pipe and so on, were analyzed by simulations
摘要通過分析一種分體式充氣可調阻尼減振器的結構和工作原理，運用流體力學理論，建立了該減振器阻尼特性的非線性參數化模型，模擬分析了活塞阻尼閥孔徑、阻尼調節孔徑、氣室初始體積、活塞桿直徑、油管內徑等主要結構參數對減振器阻尼性能的影響，通過試驗測試，得到了減振器樣件的阻尼特性及其可調范圍。 -
Based on the special property of magnetic fluid ( mf ), we fill the magnetic fluid into the working clearances of the servo valve torque motor. one side, the magnetized magnetic fluid can exert a damping torque on the torque motor armature and reduce vibration of the armature ; on the other side, it can improve the magnetic circuit efficiency of the torque motor because of the magnetic fluid ’ s larger magnetic permeability
基於磁流體所具有的特殊性質，將磁流體添加到伺服閥力矩馬達的工作間隙中，一方面磁流體被磁化后可增大銜鐵的阻尼力，減少振動;另一方面由於力矩馬達氣隙中磁導率的提高，使氣隙中的磁通量增大，力矩馬達的磁路效率和輸出扭矩將增大，因此可以提高力矩馬達的固有頻率和伺服閥的響應速度。 -
By using the larger magnetic permeability, magnetic fluid was used to improve the magnetic circuit efficiency in torque motor, enlarge the output torque and displacement of torque motor, and the output flow of servo valve. correspondingly, the ability of noise - overcoming and system damping was enhanced due to the property of magnetic fluid. as a result, the stability of servo valve and servo - control system can be improved
由於磁流體具有較大的導磁率，可提高力矩馬達磁路效率、增大力矩馬達的輸出力矩和位移，從而增加伺服閥的輸出流量;同時，利用磁流體的粘度特性，可增強力矩馬達阻尼及抗干擾能力，從而增強伺服閥及伺服控制系統的穩定性。 -
On semi - active aircraft flutter control by er fluid damping pivot
電流變液在飛機操縱面顫振半主動控制中的應用研究 -
Suspension fluid - - used inside a shock absorber to create damping when forced through orifices or valving. the fluid is also used for lubrication and should be incompressible
懸掛用液體用於減震內，當油被迫使通過小孔或閥門時吸收或產生阻尼的。也起潤滑作用，它應該是不可壓縮的。 -
In the forth chapter, the performances of mr dampers designed and fabricated at chongqing university have been tested in national center for test and supervision of coach quality, including schematics of damping force vs. displacement of piston head, damping force vs. velocity of piston head, etc. for some given electric currents of the coil. the experimental results demonstrate that damping force offered by mr damper consists of background damping generated by resistance of mr fluid and damping caused by magnetic field
對不同勵磁電流條件下的理論阻尼力與測試阻尼力進行了比較，分析了產生誤差的主要原因；對阻尼器產生溫度效應產生的主要原因進行了分析，提出了應該提高磁流變體的溫度穩定性；推導了磁流變體的感性和容性流動方程，從理論上分析了磁流變體的感性和容性對阻尼器特性的影響。 -
Matlab procedure is coded to compute the far - field sound pressure levels of the shell excited by radial point force. the influences of modal truncation, stringers, bulkheads and damping on the shell ' s far - field sound pressure are analyzed, laying down the basis for accurate analysis of the sound radiation from fluid - loaded reinforced double cylindrical shells
本文用matlab編製程序求解了單層殼在徑向激勵力作用下的遠場聲壓級，分析了模態截斷數、縱骨、艙壁板、結構阻尼等因素對殼體遠場輻射聲壓的影響，為準確計算加筋雙層殼在水下振動和聲輻射特性奠定了基礎。 -
( 2 ) based on the wave equation in the acoustic fluid space and the theory of thin - wall structure, the non - symmetrical coupled structure - acoustic dynamic equation without damping is studied. the non - symmetric system of the finite element model for coupled structure - acoustic response is solved by the conjugate subspace iteration method
由聲空間波動方程和薄板理論出發，對聲場?結構耦合系統的模態分析提出了有限元數值方法，採用共扼子空間迭代法對非對稱特徵方程進行處理，採用靜凝聚法消除質量矩陣的奇異性。 -
Vehicle damper using er fluid can produce continuous and controllable damping forces for vehicle ' s best ride comfort and road holding, so many scientist focus on it. today ' s researches are on control features on condition that vehicle ' s passive damper is replaced by er damper operated by external energy source
使用電流變流體作為工作介質的車用減振器可以在電場的作用下，產生連續可控的阻尼力以實現車輛良好的乘座平順性和操作穩定性，是電流變技術應用中的一個研究熱點。 -
Fluid damping galvanometer
液體阻尼振動子 -
Fluid friction damping
液體摩擦阻尼 -
According to the constitutive relation of the fluid, academic model for calculating damping force of viscous damper is first developed
在冪律流體本構關系的基礎上，建立了粘滯阻尼器的阻尼力計算模型。 -
The chaotic motions of a kelvin - voigt type curved pipe conveying fluid with environmental damping
輸流管道非線性流固耦合振動的數學建模 -
At last, this paper derives the rules of damping torque due to magnetic fluid in the working clearances of torque motor and lays the groundwork for the study of torque motor dynamic characteristics and servo valve characteristics
最後，結合模擬分析和實驗數據，得出了磁流體在力矩馬達工作間隙中的作用規律，從而對力矩馬達的動態特性及伺服閥整體特性研究奠定了理論基礎。 -
The research work focuses on the following four main investigations : 1. theory of fluid system design for adjustable linear oil damper by use of dynamic mathematical models and dynamic - parameter - compensat ing method, the first research of this item has established the generalized optimiz - - ation mathematical model of the fluid system of an adjustable linear oil damper ; by use of the mechanical generalized optimization theory and platform, the first research has also made a multi - objective and overall - performance optimal design to the fluid system which gives the damper both the best damping performances and the best economic capacities ; by modeling the whole damper and analyzing it by numerical method, the second research of this item has solved the problem of the damper ' s dynamical damping characteristics calculation, simulation and analysis
主要涉及以下四個方面的內容： 1 、可調式線性油壓減振器阻尼系統的設計理論採用動態數學模型和動態參數補償的方法對可調式線性油壓減振器的阻尼系統進行了廣義優化設計建模；運用機械廣義優化設計理論和平臺對可調式線性油壓減振器的阻尼系統進行了多目標、全性能的優化，實現了其技術性能和經濟性能的綜合優化設計；通過對整個油壓減振器進行建模與數值分析，解決了工程上對多級擬合線性油壓減振器的阻尼性能進行求解、對其動態特性進行分析的難點。 -
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。 -
In the recent years, a new smart damper, magnetorheological ( mr ) damper, is developed for vibration control, which is made of smart mr fluid. mr damper has an excellent variable damping property and its damping force can be changed by adjusting voltage applied to damper. therefore, semi - active control can be implemented with the damper
近年來，一種由高科技亞納米材料?磁流變體製成的磁流變智能阻尼器（ magneto - rheological （ mr ） damper ）問世並用於實際工程減振，該阻尼器的阻尼特性隨輸入電壓的變化而改變，具有良好的可變阻尼特徵，可實現半主動控制。
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