有激波流動 的英文怎麼說

中文拼音 [yǒujībōliúdòng]
有激波流動 英文
shocked flow
  • 有 : 有副詞[書面語] （表示整數之外再加零數）: 30 有 5 thirty-five; 10 有 5年 fifteen years
  • 激 : 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...
  • 波 : Ⅰ名詞1 （波浪） wave 2 [物理學] （振動傳播的過程） wave 3 （意外變化） an unexpected turn of even...
  • 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...
  • 流動 : 1. （液體或氣體移動） flow; run; circulate 2. （經常變換位置） going from place to place; on the move; mobile
  1. Based on the epwp and wpwp in conjunction with abnormal north and west wind, a new possible iii mechanism is provided for the evolution of the 1997 / 1998 el nino. to be specific, the warm kelvin wave propagating to east excited by the abnormal west wind can suppress the cold upwelling flow in the eastern pacific, which, in turn, is favorable to the eastern pacific sst increase ; abnormal west wind can make the warm water of the wpwp east edge extend to east, which is conductive directly to eastern pacific sst increase ; the abnormal west wind propagating to east can make the sea surface warm water near two equatorial laterals converge to the equator by ekman drifting, which, in rum, strengthens the downwelling flow near the equator, leading to eastern pacific sst increase

    將東、西太平洋暖池及異常北風、西風一併結合起來考慮，提出1997 1998elnino事件發生、發展的一種新的可能機制：異常西風激發東傳的暖kelvin波對東太平洋的冷上翻流有抑制作用，從而有利於東太平洋海表溫度增加；異常西風驅動西太平洋暖池東端暖水向東伸展直接有利於東太平洋海表溫度增加；東傳的異常西風可以通過埃克曼漂流效應將赤道兩側的海表暖水向赤道輻合從而加強了赤道附近的下沉流，也有利於東太平洋赤道附近海表溫度增加。
  2. Study on the laser scanner is very important since fluctuate of rotating speed of the motor, wobble of the shaft of the laser scanner, tremble introduced by motor changing phase, shake generated out of dynamic balance, turbulence introduced by the deflector rotating at high speed have an influence on rotating shaft and light beam so as to decrease quality of the laser imagesetter

    轉速的波動、掃描器主軸的晃動、電機換相過程中的抖動、動不平衡產生的震動、轉鏡高速旋轉產生的湍流對轉軸和光束的影響等諸多因素，直接影響激光照排的質量。所以，對轉鏡式激光掃描器的研究有十分重要的意義。
  3. The shearing layer is carried by the jet and the eddy is formed because of the instability and selective amplification of shearing layer which will propagate to the downstream. as the eddy impacts the impinging wall, a wave of pressure disturbance with certain frequency is induced. this wave then propagates to the upstream with high speed, and results in the overlap and amplification of the waves when the frequencies of them are close with each other

    當前噴嘴流束中的不穩定擾動波在穿過腔內的剪切層時，剪切層對其有選擇放大作用，形成渦環結構，剪切流動中渦環與碰撞壁撞擊，在碰撞區域產生壓力擾動波並向上游反射，在上游剪切層分離處誘發新的擾動的產生，當新擾動與原擾動匹配時，射流上游就被不斷地受到周期性激勵，腔內就產生流體自激振蕩並在後噴嘴出口形成脈沖射流。
  4. 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，對流層的湍動對流完全有可能激發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。
  5. Because of the clamping capacitor and the interleaved structure, it has some good features compared with other flyback converters, such as : the topology is simple and can be realized easily ; the voltage spike of the power switch is availably restrained and without leakage - inductance energy loss ; the ripple of the input and output current is reduced, correspondingly, the volume and weight of the output and input filter is also significantly reduced

    由於箝位電容的加入，相對于其他類型的反激式變換器電路，該拓撲具有一些獨特的優點:電路結構簡單且易於實現;無需另加輔助開關管，實現了開關管的有源箝位，抑制了開關管的電壓尖峰;提高了輸入、輸出電流的脈動頻率，減小了輸入及輸出濾波器體積。
  6. The numerical examples presented here are representative test cases of the aerodynamics problems which contains shock and complicated flow structures. the solutions of euler equations for these examples certify the advantages of eno schemes

    文中選取了具有代表性的算例，通過求解euler方程來驗證eno格式在處理包含激波和復雜流動結構的空氣動力學問題中所具有的優點。
  7. Based on the high - low voltage electric driving unit, a new electric driving unit is built, which not only has the advantages of the high - low voltage electric driving unit but also has the advantage of obtaining high limiting current and low maintaining current easily. using self - excitation chopper circuit, the electric driving unit is good efficient, and the heat creating from the solenoid is small

    在高低壓驅動電路的基礎上又設計出一種高低壓自激斬波恆流驅動電路，該驅動電路除了具有高低壓驅動電路的功能外，還具有高壓限流和低壓維持電流獲取方便、能量利用更為合理、閥發熱更少等特點。
  8. All the improvements included the modifications on the sound velocity, characteristic mach number and the mach number at the grid interface. several 2d flow fields which had shock, shear flow, rarefaction wave, or turbulent boundary layer and the combination of them were computed

    該格式改進了聲速、特徵馬赫數的處理方式，對網格界面馬赫數進行了修正，並求解了含有脫體激波、斜激波、剪切流、膨脹扇、及湍流附面層等流動特徵的復雜流動。
  9. ( 3 ) with the increase of the injected current, the lasing wavelength of fgesl appears fluctuation, the side mode suppression ratio ( smsr ) increases accompanied by an oscillation, and the p - i curve distorts slightly

    Fgesl的激射波長隨ld的注入電流的增大而發生波動;邊模抑制比（ smsr ）隨注入電流的增大總體上呈現上升趨勢，但其變化過程並不平滑而是有較大的波動; fgesl的p一i曲線有微小的扭曲。
  10. An experimental investigation on the transition in the boundary layer of horizontal plane with and without single two - dimensional roughness elements has been carried out in the wind tunnel. the distribution in normal and stream - wise directions of intensity of t - s wave excited by vibrating beam was measured in every condition. neutral curves were obtained by measuring the growth of the t - s wave at the normal critical location along the stream - wise direction

    在風洞中對水平光滑平板以及加有粗糙元平板的邊界層轉捩進行了測量與研究，比較了不同情況下平板邊界層內由振動梁激勵生成的t - s波沿流向和法向強度的分佈規律，得到了相應的振型增長曲線以及中性曲線。
  11. 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湍流造成的波前畸變，並且能夠同時有效地克服發射系統製造誤差、重力變形以及光路內部氣體擾動的影響，得到接近衍射極限的輸出激光光束。
  12. Based on the analysis of the existing dedusting method of advanced coal - fired combined cycle, a new dedusting concept was proposed for the high temperature and high pressure dusty gases according to the theory that the flow direction of the gas but the dust in dusty supersonic gas flow changes and the gas velocity decreases after the dusty supersonic gas flow passes through the oblique shock

    摘要在分析先進燃煤聯合循環現有除塵方式的基礎上，根據含塵超音速氣流穿過斜激波后，氣體流動方向將發生變化，而灰塵顆粒方向基本維持不變的事實，提出了一種高溫高壓氣體除塵的新概念。
  13. In this thesis, a 2 - d axial symmetric n - s equation was solved by using steger - warming flux splitting, muscl, b - l model and finite volume method to simulate an experiment, which was to observe explosion phenomenon

    本文用steger - warming分裂和b - l湍流模型的有限體積演算法求解二維軸對稱navier - stokes方程，數值模擬了錐形激波管中爆炸波運動和爆炸波正壓和負壓脈沖。
  14. The main numerical method of this code is coming from scheme ( jameson, schimit and turkel ) : using cell - centered finite volume method as spatial discretization tools, and a system of ordinary differential equations for time variable is obtained, which is solved by utilizing five - step runge - kutta scheme as time marching method, introducing artificial dissipation to damp high frequency oscillations near the shock and stagnation point

    本論文採用歐拉方程作為控制方程，利用中心有限體積法進行空間離散，得到對時間變量的常微分方程組，採用龍格庫塔多步法進行時間積分，加入人工粘性以消除激波和駐點附近的壓力振蕩等方法來對naca0012翼型的實際流動進行并行數值模擬。
  15. The minimum requirement for supersonic separator to accomplish its basic function is that the flow inside the separator must be at the critical state at the laval nozzle throat and its flow rate must be equal to its critical flow rate, or the dehydration performance will deteriorate

    改進旋流器的設計，使其摩阻盡量小，從而使激波向遠離laval噴管喉部方向移動，可以有效改善分離管的工作性能。在目前所設計的三個旋流器中，旋流器a的
  16. Finally, the two dimensional flow in the diffuser is calculated, the results show that the change of ma makes an effect to the performance of the diffuser. owing to the accretion of ma, the action of oblique shock waves and the boundary layer pricks up, the flow separates from the wall where the shock waves impinge on the boundary layer more quickly, the cluster of diamond shock waves becomes larger. moreover, by comparing the change of flow field under different structure parameter, it is found that the augment of length of constant area section alter the structure of fluid field little, a smaller area ratio and larger angle of compression section make the diffuser working better

    最後，針對擴壓器中的二維流場進行了數值模擬，結果表明馬赫數對擴壓器性能影響較大，隨著馬赫數的增大，擴壓器管道內激波-附面層干擾加劇，流動從附面層分離相應加劇，激波串數目增多;通過比較不同結構參數下的擴壓器內流場，發現等直段長度的變化幾乎沒有改變流場結構，只是對局部流場稍有影響，並且在其它參數不變的情況下，一定范圍內減小面積比a2 / a1和增大收縮角有利於擴壓器性能的提高。
  17. Most of partial differential equation arising from physical or engineering science can be formulated into conservation form : it directly reflects conservation laws in natural sciences. from viewpoints of fluid dynamics, it can be obtained from the mass, momentum, energy conservation laws. because the form ( 0. 2. 1 ) has no other terms such as dispersion, diffusion ( caused by nonuniformity of some physical states ), reaction, memory, damping and relaxation etc, smoothness of solution of ( 0. 2. 1 ) may be loss as times goes on. even for the smooth inital data, solutions of ( 0. 2. 1 ) become discontinuous in a finite time

    由於雙曲守恆律（ 0 . 1 . 1 ）沒有其它項，如色散（ dispersion ） ，擴散（ diffusion ） （某物理量分佈不均勻引起的輸運） ，反應（ reaction ） ，記憶（ memory ） ，阻尼（ damping ）及鬆弛（ relaxation ） （描述非平衡態）等，而僅有輸運或對流項（ convection ） （由於流體的流動引起的輸運）時，守恆律（ 0 . 1 . 1 ）的解失去光滑性（這里不特殊說明守恆律就指該意義下） ，甚至即使光滑的初始數據，解隨著時間的發展會變成不連續，這在物理上表現為激波的形成。
  18. Carbon nanotubes were separately synthesized by a new pulsed laser ablation ( pla ) for in - situ growth method and cvd support method in this paper. ft - ir, uv - vis, xfs, laman, tem, xrd, bet methods were used to characterize the sol, carbon nanotube and other products in the experiment. in the pla method, the sols containing carbon nanotubes were successively obtained by using 1064nm pulsed laser to ablate the interface of fe / c, or ni / c targets and ethanol under common temperature and pressure, and then carbon nanotubes were directly acquired by evaporating the ethanol

    脈沖激光轟擊原位生長法是在常溫常壓下使用1064nm波長的脈沖激光轟擊目標靶與乙醇流動相的固液界面來連續制備含有碳納米管的溶膠，進而除去乙醇相得到碳納米管，其中目標靶為石墨與fe 、 ni等金屬催化劑混合壓製成的靶片； cvd基體法是使用自製的六方介孔mcm - 41多孔材料為基體，負載fe催化劑活性組分，通過cvd法催化裂解c2h2來生長碳納米管。
  19. Nasa - 37 transonic and nwpu - 1 subsonic rotors are calculated by using this program. results of calculation indicates that this program can admirably simulate rotor rows flow in axial compressors and distinguish passage shock, leakage vortex path and separation of boundary layer

    用該程序分別計算了nasa - 37跨音速轉子和nwpu - 1亞音速轉子，計算結果表明本文建立的孤立轉子程序能夠較好的模擬軸流壓氣機葉片排內流動情況，能夠有效的捕捉通道激波和間隙泄漏渦軌跡以及葉片附面層的分離。
  20. For applications involving shocks, second order schemes such as tvd schemes are usually adequate if only relatively simple structures are present in the smooth part of the solution. however, high order shock capturing schemes ( order of at least three ) are more efficient than low order schemes when a problem contains rich structures as well as schocks

    在計算含有激波但光滑區不存在復雜波系結構的流場時，二階差分格式如tvd類格式已能夠得到比較理想的數值計算結果；然而，對于即含激波，光滑區又富含各種波系結構的流場，高階高精度格式的激波捕捉格式相對低階格式具有更高的解析度，更能夠反映流場的真實流動。
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