microjet 中文意思是什麼

microjet 解釋
微射流
  1. The most attractive advantage of the microjet technique is that its working substance comes from environment and related tank, piping and valve can be omitted

    其最大特點是：不需要專門的工質儲箱，而是直接從環境獲取工質。
  2. The mechanism of active flow direction control is the microjet ' s microscale disturbance coupling with the macroscale ' s flow through collective interaction

    作為一種全新的流場主動控制手段，微射流是通過其微尺度擾動同宏觀大尺度流動的整體耦合作用達到控制宏觀流動的目的。
  3. Analysis indicates the " low pressure closed reticular flow region " results in the non - equilibrium of pressure along the primary jet ' s orifice. to obtain as large vectoring angle as possible, the optimal ranges of angles, frequencies, velocity amplitudes, and distances from the microjet actuator to the primary jet exit were discussed. the relationship between the vectoring angle of the primary jet and the phase - difference of two adjacent actuators was analyzed

    分析了「拉」模型單作動器模式下，微射流作動器的入射角度、驅動頻率、速度幅值及與主射流間的距離對主射流偏轉程度的影響，並確定了作動器工作參數的最佳范圍;分析了「拉」模型雙作動器模式下，不同的相位差對主流偏轉程度的影響。
  4. The result shows the periodic characteristics of microjet flow field including vortex pair evolution, immigration and dissipation process

    模擬結果顯示了微射流的產生、形成、發展與耗散過程以及微射流的卷吸特徵等。
  5. Through measuring the jet length, the following law is obtained : there exists an optimal driving signal frequency that can produce the strongest microjet for a certain actuator configuration at constant input power

    實驗測量了不同頻率下微射流的流向長度，發現了如下規律：對特定幾何結構及尺寸的微射流作動器，在輸入功率一定的情況下，存在最佳頻率使得微射流最強。
  6. A new method for active control of flow field appears. it is the so - called microjet technology. its fundamental principle is based on the mems, the chaotic theory and non - linear complicated system theory

    以微電子機械繫統（ mems ） 、混沌論及非線性復雜大系統不穩定理論為基礎，一種全新的流場主動控制技術? ?微射流技術應運而生。
  7. The 3d simulation result shows characteristics as well as creating, developing and dissipation process of the microjet. the results show good agreement with experimental results. the numerical study reveals the spanwise instability of vortex pairs, resulting in the breakdown of the coherent vortex structure

    三維微射流流場的數值模擬再現了實驗所觀察到的旋渦對的生成、發展及其相干性的消失過程；揭示了旋渦對沿展向的不穩定性是旋渦對相干性消失的主要原因。
  8. By comparing the flow fields of microjet under different working parameters, the law of jet strength changing with driving frequency was obtained

    通過對作動器不同工作參數下流場的對比分析，得到了驅動頻率對微射流形態的影響。
  9. Research results in aboard show that the microjet technique has vast prospects for application. in addition to active flow control, it can also be used as boundary layer control, aerodynamic resistance reduction, combustion strengthening and cooling improvement

    國外的研究表明，這種技術除了可用於流動方向控制外，在附面層控制、降低阻力、增強燃燒以及強化冷卻等很多方面也有顯著效果。
  10. By solving the 2 - d viscous navier - stocks equation, the flow field of the microjet was simulated. the results clearly reveal the features of microjet and the process of vortex pairs ? formation, advection, diffusion and entrainment effection on ambient fluid

    結果清晰的反映了作動器出口附近微射流場的形態，同時也再現了此區域內旋渦對的生成、遷移和擴散過程以及微射流對周圍流體的卷吸作用。
  11. The result shows that a new kind of flow will be produced instead of the microjet when frequencies exceed a critical value, suppose the characteristic velocity of the micro - actuator remains constant

    結果顯示：在作動器出口最大速度一定的情況下，當頻率超過一臨界值后將無法產生微射流，而產生另外一種形態的流動。
  12. The microjet is a zero net mass - flux and does n ' t require internal source of jet fluid. its control system is simple, light and little energy consumed. microjet is superior to conventional jet

    微射流控制系統簡單、輕便、能耗極小且不需要工質源，初步顯示出了常規射流控制方法所不具備的優勢，具有非常廣闊的應用前景。
  13. There came a new flow control technique called microjet in the 1990s, which was based on the theories of nonlinear complex system and chaos

    經過人們長期的探索，在二十世紀九十年代初，國外出現了一種基於混沌理論和非線性復雜性理論的全新流場控制技術? ?微射流技術。
  14. 2. the laminar / turbulence models were used to simulate the single microjet flow field

    分別採用層流、湍流模型對單微射流流場進行了數值模擬。
  15. By submerging the buzzer into the water, the working condition of the microjet was satisfied

    通過將蜂鳴器潛入水中，則可滿足微射流作動器的工作條件。
  16. The core of the technique is the microjet produced by a micro - actuator driven through electrical signal

    該技術的核心是微射流，它是在電信號驅動的微作動器作用下產生的射流。
  17. 5. the modification of the aerodynamic force performance on a 2d cylinder by use of microjet was numerically simulated

    5 .數值模擬再現了微射流改變繞流圓柱氣動性能的情形。
  18. What ? more, some basic knowledge on vortex was also introduced because its important role in the flow field of microjet

    而微射流場又和旋渦密不可分，所以文中也介紹了和旋渦相關的基本知識。
  19. Since the tight relationship between the microjet technique and mems, a general introduction to mems was performed in the thesis

    鑒于微射流技術和mems技術的緊密聯系，本文對mems技術進行了概要介紹。
  20. So this dissertation studies the microjet flow field and the synthetic flow field of the microjet and the mean flow by numerical simulation

    本文對微射流及其與主射流的合成流場進行數值模擬和機理分析，為微射流技術的工程應用研究打下基礎。
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