流體流阻器 的英文怎麼說

中文拼音 [liútǐliúzǔqì]
流體流阻器 英文
fluid choke
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 體 : 體構詞成分。
  • 阻 : 動詞（阻擋; 阻礙） block; hinder; impede; obstruct
  • 器 : 名詞1. （器具） implement; utensil; ware 2. （器官） organ 3. （度量; 才能） capacity; talent 4. （姓氏） a surname
  • 流體 : [物理學] fluid; fluor流體力學 fluid mechanics; hydromechanics; 流體生物學 hydrobiology; 流體運動學 hydrokinematics
  1. Heat sink for power semiconductor device part 2 : measuring method of thermal resistance and input fluid - output fluid pressure difference

    電力半導體器件用散熱器第2部分：熱阻和流阻測試方法
  2. 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。
  3. According to the working modes of mr devices, combining the ohm ' s law of magnetic circuit and the design theory of non - steady magnetic circuit, magnetic structures of the automotive damper have been worked out. to emulate the performance of conventional shock absorber, two automotive mr dampers were designed and fabricated at chongqing university. an applied magnetic field increase the yield stress of mr fluids in flow annular passages, which alters the velocity profile of mr fluid in the passages and raise the pressure gradient between low cavity and high one at some given flow rates

    根據磁流變阻尼器工作模式，利用磁路中的歐姆定律和動態磁路設計原理，結合汽車懸架的技術要求和結構特點，提出了基於剪切模式和流動模式共同作用（混合工作模式）的汽車磁流變阻尼器設計原理，討論了阻尼器動態磁路設計中的若干技術問題；根據流體力學navier - stokes方程，分別利用newton流體特性和bingham流體特性，推導了基於平板模型和軸對稱模型的流變學方程，得出了阻尼器阻尼力的計算方法。
  4. Fluid network was divided into a lot of independent loops. through changing states of valves, i got pipe flux and pipe pressure drop. based on pressure balance equation, i built the differential equation system, solved the differential equation system, and acquired resistance coefficients of pipes and component

    並將流體網路圖分解為一個個獨立迴路，通過改變閥門的狀態，來獲取迴路各管段流量和壓力損失，根據迴路壓力平衡方程，建立方程組，對方程組進行了求解，解出了各未知管段、流體器件的阻力系數。
  5. According to the request of this subject, we have developed the system hardware and software for the slave device and the inspection software running on the pc. in this paper all of the followings is illustrated detailedly, such as the research on the principles of measurement and its realization, three means of water - level measurement that are separately based on photo electricity coder, pressure sensor and potentiometer ; selection of the microchip, we choose an advanced integrated soc ( system on chip ) microchip c8051f021 as the main controller ; realization of signal sampling, processing and its conversion in the mcu ; application of high precision 16 bits adc cmos chip - - ad7705 in our system, designing its interface with the microchip and relevant program ; using a trickle charge timekeeping chip ds1302 in the system which can provide time norm and designing of its i / o interface and program ; additionally, a 4 ~ 20ma current output channel to provide system check - up using ad421. in the system, ad421, ad7705 and the microchip compose spi bus ; to communicate with the master pc, here we use two ways which are separately rs232 and rs485 ; moreover, there are alarm unit, keyboard unit, power supply inspection unit and voltage norm providing unit in the system

    針對研製任務的要求，課題期間研製了下位機系統硬體和軟體，開發了上位機監控軟體，其中所作的具體工作包括：測量原理的研究和在系統中的實現，在本次設計中用三種方法來進行水位測量，分別是旋轉編碼器法、液位壓力傳感器法和可變電阻器法；主控晶元的選擇，我們選用了高集成度的混合信號系統級晶元c8051f021 ；實現了信號的採集和處理，包括信號的轉換和在單片機內的運算；高集成度16位模數轉換晶元ad7705在系統中的應用，我們完成了它與單片機的介面設計及程序編制任務；精確時鐘晶元ds1302在系統中的應用，在此，我們實現了用單片機的i o口與ds1302的連接和在軟體中對時序的模擬，該晶元的應用給整臺儀器提供了時間基準，方便了儀器的使用；另外，針對研製任務的要求，還給系統加上了一路4 20ma模擬信號電流環的輸出電路來提供系統監測，該部分的實現是通過採用ad421晶元來完成的，本設計中完成了ad421與單片機的spi介面任務，協調了它與ad7705晶元和單片機共同構成的spi總線系統的關系，並完成了程序設計；與上位機的通信介面設計，該部分通過兩種方法實現： rs232通信方式和rs485通信方式；系統設計方面還包括報警電路設計、操作鍵盤設計、電源監控電路設計、電壓基準電路的設計。
  6. Feedback effect of viscous heatingand heat balance of fluid damper

    流體阻尼器中粘性發熱的反饋作用與熱平衡研究
  7. Increases in magnetic field frequency decreases the capability of the dis - type mr fluid damper to reduce rotor vibration

    隨著磁場頻率的增大，盤型磁流變流體阻尼器抑制轉子振動的能力減小。
  8. Results show that the magnetic field frequency has significant effect on the dynamic performance of the disk - type mr fluid damper

    結果發現，磁場的頻率對盤型磁流變流體阻尼器的動力特性有著顯著的影響。
  9. The dynamic character of the rotor system is the same as that without magnetic field when the magnetic field frequency is over a critical frequency, and the sinusoidal magnetic field cannot control the dynamic performance of the disk type mr fluid damper

    當磁場的頻率高於一個臨界頻率后，轉子系統的動力特性與無磁場時的動力特性相同，正弦磁場不能夠控制磁流變流體阻尼器的動力特性。
  10. One of these methods, passive control using viscoelastic or viscous dampers, has been applied to more and more projects in the past, because they can reduce the seismic response effectively, economically and rarely need to be repaired after they are installed

    其中利用粘彈性和粘滯流體阻尼器對結構進行被動控制的方法，由於其有效性、經濟性和安裝后不再需要維護，而被越來越多的結構設計所採用。
  11. In order to understand the effect of alternating magnetic field on the dynamic performance of a disk - type magnetorheological ( mr ) fluid damper based on shear operation, the dynamic character of a flexible rotor supported on the disk - type mr fluid damper was experimentally studied under sinusoidal magnetic field

    摘要為了掌握交變磁場對基於剪切方式的盤型磁流變（ mr ）流體阻尼器動力特性的影響，試驗研究了正弦磁場下支承在盤型磁流變流體阻尼器上的柔性轉子系統的動力特性。
  12. Then we set up the model of rectangle - shape pipeline. we compare it to circuit - shape pipeline on sides of the value of induced electromotive force, pressure loss when liquid flow trough the pipeline and resistance ' s value of the sensor. we get the result that we can finish the measurement of low - velocity flow by using the rectangle - shape pipeline

    接著對矩形測量導管進行建模，並在流體流經矩形測量導管時產生感應電動勢的大小、流體在測量導管中的壓力損失和傳感器內阻的大小對輸出信號的影響等幾個方面與圓形測量導管進行比較后得出採用矩形測量導管完全能夠有效地完成微流量的測量。
  13. In the thesis the low drag - low noise optimization of the vehicle main form design is realized, main accomplishments are as follows. researched the knowledge of drag and flow noise, the parameters of the boundary layer are calculated by the hess - smith method and boundary layer momentum integral method. the calculation of the length of transition zone and change in boundary layer displacement thickness between laminar and turbulent states in the transition is improved, then the drag coefficient and self - noise from the transition zone are calculated as the objective functions of the optimization

    主要研究內容和成果如下：對航行器繞流流場進行分析，深入研究了阻力和流噪聲產生機理，建立了阻力系數和自噪聲的評估數值計算模型；採用物面分佈源匯法和邊界層動量積分法對繞流流場的流體動力參數進行計算，改進了轉捩區長度和邊界層位移厚度的計算，應用於航行器頭部駐點自噪聲的計算；最後設計了阻力系數和自噪聲數值計算程序模塊。
  14. By means of resistance and capacitance coupled negative feedback method to control the plasma discharge development process and prevent the transition from glow discharge to spark discharge in a pin - to - plate static air plasma generator, a stable alternative current atmospheric glow discharge is produced successfully

    在靜態大氣壓空氣針板等離子體發生器中，採用阻容耦合負反饋方法控制等離子體放電發展過程，成功地抑制了輝光放電向火花放電的過渡，產生了穩定的交流輝光放電。
  15. 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。
  16. The tubular sensors were made with brass tubes used in thermal power plant and their electrochemical impedance spectroscopy ( eis ) were tested and compared in two kinds of cell ( classical tri - electrode cell and the same material tri - electrode cell )

    採用熱電廠實際使用的黃銅管製作管狀傳感器，利用交流阻抗法在同種材料三電極體系電解池中測量傳感器的電化學阻抗譜，並與經典三電極體系電解池下的數值作比較。
  17. In order to set up the dynamic model of swimming micro robot, this dissertation builds up the statics model and analyses the micro motion amplifying performance of micro robot mechanism, builds up the vibration model of micro robot and analyses the vibrating performance without and with damp, researches the propelling force of driven wing and the resistance of micro robot in liquid based on the theory of flat board resisting stream, builds up the dynamic model of swimming micro robot for the first time in nation and analyses its swimming performance which is influenced by driving signal frequency, amplifying performance of main machanism, area of driven wing, character of fluid and so on. this dissertation manufactures the micro robot and sets up the experimental environment and tests the amplifying effect and the vibrating performance

    本文建立了主體機構靜力學模型，研究了主體機構的結構參數對微位移放大性能的影響；建立了主體機構振動模型，研究了主體機構在無液體阻尼和有液體阻尼情況下的振動特性；根據流體力學平板繞流理論，研究了驅動翼產生的推進力和微機器人在流體中受到的阻力；在此基礎上國內首次建立了泳動微機器人的動力學模型，並對模型進行了深入的研究，詳細闡明了驅動信號頻率、主體機構放大性能、主體機構振動特性、驅動翼面積、液體性質等因素對微機器人泳動特性的影響。
  18. General test methods for determining heat transfer performance and flow resistance of heat exchangers

    換熱器熱工性能和流體阻力特性通用測定方法
  19. In experimentation, the project adopts computer, data collection board, sensor and software. finally, the theory analsis is validated that the contact of noise elimination, velocity of flow, resistance loss

    在試驗中，採用了以計算機、數據採集卡、傳感器和處理軟體得到阻性消聲器的動態特性，從而驗證了阻性消聲器的消聲量、氣體流速和阻力損失之間聯系的理論分析。
  20. The influence of fouling on the thermodynamic performance of shell heat exchanger and its design calculation is analyzed, and the choice of estimation method of fouling heat resistance and fluid flow mode is discussed

    摘要分析了污垢對管殼式換熱器的熱動力性能及換熱器設計計算的影響，討論了污垢熱阻估算方法和流體流動方式的選擇。
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