湍動激發 的英文怎麼說

中文拼音 [dòng]
湍動激發 英文
excitation of turbulence
  • : [書面語]Ⅰ形容詞(湍急) rapid; rushing; torrential; swiftⅡ名詞(急流的水) rapids; rushing waters
  • : Ⅰ動詞1 (水因受到阻礙或震蕩而向上涌) swash; surge; dash 2 (冷水突然刺激身體使得病) fall ill fr...
  • : 名詞(頭發) hair
  • 激發 : 1 (使奮發) arouse; stimulate; set off; stir up 2 [物理學] excitation; exciting; incitement; inc...
  1. Changes in the gain could occur if the length of the maser changed because of turbulent gas motions.

    氣體的流運使微波射區的長度改變時,增益就可能生改變。
  2. As to the simulation, three - dimensional n - s equations and two - phase flow model, in which the liquid toluene spray as discrete particles was considered, were employed to describe the turbulent combustion processes in the combustion chamber. the mass and energy transfer between the two phases were calculated by the droplet evaporation model, and the arrehnius model was used to obtain the gas chemical reaction rate. the details of 3d flow field, the distributions of temperature and compounds were obtained by solving the equations

    數值模擬方面,應用三維流n - s方程以及顆粒軌道模型描述了光器燃燒室內部的噴霧兩相燃燒流過程,兩相之間的質量、能量交換由液滴蒸模型計算,氣相化學反應速率由arrhnius公式計算,通過耦合求解氣液兩相模型方程,模擬了燃燒室三維流場,得到了燃燒室內的溫度和組分濃度分佈。
  3. In chapter 3, the subgrid eddy - viscosity model for large eddy simulation is applied to calculate the three dimensions unsteady periodic turbulent flow in yantan francis turbine. the pulsating characteristics of some main physical parameters in flow field are found. the calculated axial water thrust of hydraulic turbine agrees with the model - test value

    第三章採用大渦模擬亞格子渦粘模型,對巖灘混流式水輪機的流場進行三維非定常流分析,得到了流場中各物理量的脈特性,計算出ms的軸向水推力與模型試驗值大小相當;同時論證了對于下機架承重的混流式水輪電機組可採用其推力軸承負荷作為水電站廠房振的最大垂直振荷載。
  4. Based on the vibration test in yantan hydropower house, in this paper the author adopt les method which belong to three dimensions unsteady turbulent flow numerical analysis to simulate vibration resource characteristics of hydrogenerator set, a harmonic vibration model of powerhouse substructure is put forward to carry out firstly a precise modal analysis and dynamic response analysis for generator floor. the numerical calculation results agree well with the surveyed data in situ

    本文結合巖灘水電站廠房振的試驗研究,採用非定常流數值分析的大渦模擬方法進行混流機組水力振振源模擬;提出一種水電站廠房下部結構簡諧振模型,首次進行了電機層樓板結構的精確模態分析和水力振荷載下的力響應分析,各項計算結果與實測數據吻合良好。
  5. Evaluation results show that the turbulence in convection zone is capable of generating enough wave energy to supply coronal energy lose due to convection and radiation

    利用理論結果的計算表明,對流層的對流完全有可能足夠的波能去補充日冕中等離子體對流和輻射造成的能量損失。
  6. At the same time, the possibility of using nonlinear optics in widening the detecting wave band of hartmann - shack wavefront sensor is exploringly discussed. adaptive optics guarantees the beam quality of laser projecting system. beam cleanup, atmospheric turbulence compensation and correction of any disturbance and fabrication error in the light way are required to promise a near diffraction beam, but normal adaptive optics system can only correction one of them

    自適應光學進行光束大氣傳輸波前畸變校正時,要求系統必須能進行光束凈化和校正大氣流造成的波前畸變,並且能夠同時有效地克服射系統製造誤差、重力變形以及光路內部氣體擾的影響,得到接近衍射極限的輸出光光束。
  7. This program is launched to solve a fundamental issue existed : the direct factor influencing the optical transmission - variation of refraction index of the media in flow - field, in other words, to use ground simulation equipment or facilities to investigate the ao effects when qualitatively visualizing and quantitatively measuring the interaction of high - temperature, turbulent or shock wave flow - field with optical beam propagating through them, so that technology support can be provided for the high - speed interceptor development

    本項目就是針對這一瓶頸技術存在的基礎性問題:流場介質折射率變化是影響光學傳輸最直接的因素,即針對光線穿過高溫和流、波等復雜流場作定性顯示和定量測量問題而開展的氣光學效應地面模擬測試研究工作,為高速攔截彈的展提供技術基礎。
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