渦流分佈 的英文怎麼說

中文拼音 [guōliúfēnbù]
渦流分佈 英文
vortex distribution
  • 渦 : 渦名詞1. （漩渦） eddy; whirlpool; vortex 2. （酒窩） dimple
  • 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...
  • 分 : 分Ⅰ名詞1. （成分） component 2. （職責和權利的限度） what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] （料想） judge
  1. By comparing the dry plate pressures drop and distributions of velocities simulated on single valve with those of double valves, it was found that there was intense turbulence in the flow fields around fixed - valve, there were eddy areas between valve side orifices and tray wall, there were eddies above the valves too, these led to the complex behaviors of gas perforating valve, these had a great effect on the gas - liquid mass transfer process. at the same time, in order to prevent the disadvantageous effect of gas between one valve with another on the gas - liquid mass transfer, it was very effective to change the fields of gas perforating valve by folding the edges of valve

    通過對數值模擬得出的單閥和雙閥塔板的干板壓降及流場速度分佈分析對比后發現，固定閥周圍流場存在較強的湍動，閥側孔與塔板壁面區域以及閥體的上方空間存在明顯的渦流區，使氣體穿閥后的行為變得復雜，並對氣液傳質過程產生重大影響；模擬結果表明，為防止和削弱固定閥間的對沖造成的「死區」對傳質帶來的不利影響，通過折邊來改變氣體的氣路是非常有效的，模擬值與實驗值基本得到吻合。
  2. Based on researching the shaft bearing replacer, this paper built the models of electromagnetic field and vortex density in bearing race snap being induction heating

    摘要在研究軸承內環感應拆裝的基礎上，建立了感應加熱過程中工件內電磁場和渦流分佈的基本方程。
  3. The regularities distribution of the electromagnetic field and vortex density had been simulated by the software matlab, the results of simulation not only proved the existence skin effect but also provided theory evidence for designing and researching of the shaft bearing replacer

    通過matlab軟體對被加熱工件進行了電磁場和渦流分佈的計算機模擬，形象描述了工件內電磁場的分佈規律，證明了集膚效應的存在，為軸承感應拆卸裝置的設計研究提供了理論依據。
  4. In this paper, some characteristics of flow movement and sediment transport are analyzed by using the flume experiment data. the cross section of compound channel can be divided into four regions : the undisturbed region in main channel, the interactive region between channel and plain, the undisturbed region in flood plain and the boundary region. in the undisturbed regions, the distribution of longitudinal velocity along the depth has the feature of lograithmic. whereas, in the interactive region, the longitudinal velocity does not obey the logarithmic distribution law, but it can expressed as a revised logarithmic function by using a wake function. on the basis of the kinematic equation the velocity distribution of transverse velocity is obtained. in the boundary region, the longitudinal velocity obeys the law of parabolic distribution. furthermore, according to the simplified diffusion equation, the transverse distribution of sediment concentration in the interactive region is deduced. the analysis is in good agreement with the measured data

    本文根據漫灘水流的運動特點，將漫灘水流的復式斷面分為主槽平衡區、灘槽交互區、灘地平衡區及邊壁區等4個區，並給出了各區寬度的經驗公式.根據灘槽交互區垂線流速分佈的變化特點，提出了附加尾流函數的對數流速分佈公式.在簡化水流運動方程和泥沙擴散方程的基礎上，對灘槽交互區內垂線平均流速及含沙量沿橫向分佈進行了理論分析，提出了反映灘槽水流動量交換強度的橫向渦量粘性系數及橫向擴散系數的表達式，得到了漫灘水流垂線平均流速及含沙量沿橫向分佈的解析解，並與實測資料吻合較好
  5. Based on the green ' s formula and the assumption of the propeller blade ' s thin sections, a lifting - surface method of propellers with the vortex lattice and equal source panel distributions on the mean camber surface has been introduced for the prediction of steady propeller ' s hydrodynamics in this paper. an approximate kurta condition was applied

    基於creen公式和薄翼理論假設導出的升力面方法，採用在螺旋槳拱弧面上分佈離散渦、源布置方法預報均勻流場中的螺旋槳的定常性能，螺旋槳尾渦面上壓力連續性條件採用近似的kutta條件處理。
  6. At some situation, this secondary flow causes the upper plate to have a suck - down force phenomenon

    而橫向流會造成上沖噴泉流、渦流、壁流與停滯線等流場結構的改變，進而影響上平板之壓力分佈。
  7. The contrast analysis for the vertical distribution feature of the simulated physical quantities such as vorticity, divergence, vertical velocity. spiral degree etc suggests that there are a good disposal among the various physical quantities fields in the different stage during the period of sandstorm development, and reveals that the dynamic mechanism of the forming, developing, decreasing of the sandstorm weather and trigger and indication effects of the micro - mesoscale systems and secondary vertical circulation to the occurring and developing of sandstorm in northwest area

    對渦度、散度、垂直速度、螺旋度等物理量的水平和垂直分佈特徵進行對比分析，發現各物理量場在沙塵暴發展的不同時期有著很好的配置，揭示出西北地區沙塵暴天氣的形成、發展、消弱的物理機制和中小尺度系統、次級垂直環流對沙塵暴天氣發生發展的觸發和指示作用。沙塵暴區上空螺旋度垂直分佈為高層負值，低層正值，螺旋度大小的演變與沙塵暴的出現有一定的對應關系。
  8. The turbocharger noise is formed by the rotation noise resulting from the periodical air cutting of the fan blade and the turbulent noise of high - speed gas flows. as a continuous high frequency noise, it mainly falls between the 500 to 10 000 hz range

    渦輪增壓器的噪聲是由於葉片周期性地切割空氣產生的旋轉噪聲和高速氣流形成的湍流噪聲而形成的，是一種連續性的高頻噪聲，主要分佈在500 ~ 10000hz的頻率范圍。
  9. Through analysis of potential vorticity in isobaric surface field, in low - troposphere a positive potential vorticity disturbance exist and form incline disturbance column northward before rainstorm generation, at the same time have also reflected positive potential vorticity disturbance for severe convection weather trigger role in lower - troposphere ; soon positive potential vorticity disturbance in high - troposphere downward, form one vertical disturbance column, now corresponding precipitation develop stage ; in the prosperous stage of rainstorm that maintains isolines of horizontal distribution and still have straight positive potential vorticity disturbance in 600 - 700 hpa isobaric surface field ; when near ground arises negative potential vorticity disturbance, precipitation also weaken

    通過對等壓面的位渦分析，發現了在暴雨發生前，在對流層低層有正位渦擾動存在並向北形成傾斜的擾動柱，同時也反映了對流層低層正位渦擾動對強對流天氣的觸發作用；隨后高層正位渦向下擾動，形成一個垂直擾動柱，這時對應降水的發展階段：在暴雨的鼎盛階段， 600 700hpa上空維持水平分佈的等值線，在其上還有正的位渦擾動；當近地面出現負的位渦擾動時，降水隨之也減弱。
  10. After simulating the model of water hydraulic valves, the velocity distribution, pressure distribution, energy distribution can be obtained and relations between the valve channel and the energy loss, the negative pressure distribution can be analyzed, which offers the theory foundation for designing water hydraulic valves with the high efficiency, low energy loss and low noise

    通過對水壓閥模型的cfd穩態和瞬態解析，可以得到水壓閥內流場的速度分佈、壓力分佈及能量分佈，據此定性分析流道結構（速度、壓力、流動的分離與再附壁，旋渦的產生與消失等）與能量損失、負壓分佈等的關系，從而為設計出高效率、低能耗、低噪聲的水壓閥提供理論依據。
  11. For both newtonian flow and non - newtonian flow, the vortices are generated when the waviness of the bottom profile is beyond a critical number. by increasing the waviness, a second vortex can be generated. with the increasing of reynolds number, the symmetry of the streamlines at re = 0 is destroyed and the vortices are sloped and become larger

    當波形板的波動度超出臨界值，波形板壁面上的流動出現流線分離，流動中有渦生成;增大波動度，流動中出現第二個渦; re = 0 ，流線在流場中對稱分佈;雷諾數增大，流線駐點在水平方向出現位置偏移，渦的范圍增大;對于非牛頓流體，隨著剪切變稀指數的減小，渦的作用范圍減小。
  12. The distributing patterns of the eulerian residual currents of the four major tide constituents ( i. e. m2, s2, ol and kl ) imply that fine - grained sediment transport over the central mud of the northern yellow sea is weak. the eulerian residual currents of kl and s2 respectively form an anti - clockwise eddy near the coastal mud - deposit area of northern shandong peninsula, which may increase the deposition rate of mud

    各分潮歐拉余流總的分佈趨勢表明北黃海中部泥區細顆粒沉積物輸運的量值很小， k1和s2分潮歐拉余流各自在山東半島北側近岸泥質區形成的順時針渦漩可能促進了該處的泥質沉積。
  13. Abstract : the flow field mesurement and visualization of the reduced sp ace shuttle model are introduced briefly. that includes the vortex field mesureme nt 、 body pressure distribution mesurement and oil flow visualization. the testing mach nos and angles of attack are 0. 4, 0. 6, 0. 8, 1. 5, = 0 ？

    文摘:敘述航天飛機簡化模型流場測量與觀察，進行了旋渦場測量，機身壓力分佈測量和組合體的油流觀察。
  14. At the same time, dispersion of different stokes number particles influenced by the ordered large - scale turbulent structures of the carrier gas phase was investigated. and the following " conclusion was drawn : particles of mediate stokes number mainly concentrated in the outer boundary region of large scale eddies, and they had the nignest dispersion rate ; particles or little stakes number mainly lay in the core region of the eddies, and they had the lest dispersion rate ; though particles of large stokes number distributed throughout the eddy structures

    同時還模擬研究了不同stokes數顆粒在二維流場旋渦擬序結構作用下的運動擴散特性，詳細描述了不同stokes數顆粒在流場中的空間分佈規律，認為：中等stokes數顆粒集中於流場旋渦的外沿區域，在流場空間中的擴散率最高；小stokes數顆粒集中於流場系列旋渦的渦核區域，在流場空間中的擴散率最低；而大stokes數顆粒則遍佈於流場旋渦渦核和渦外沿區域。
  15. The salinity distribution characteristics are the high - salinity in the bohai bay and the low - salinity in the boahi strait. the density distribution shows that there is a large cyclonic density circulation in bohai sea and it is likely to exist some density current gyre in the middle part of the bohai sea. in winter the saddle - like pattern of the bohai sea temperature and salinity shows that the circulation structure is much complexer than the previous research results

    密度分佈表明：夏季渤海灣口已經由以前的低密度中心變為現在的高密度中心，相應的環流結構也必會發生大的變化；夏季渤海中部會存在一個反氣旋式的密度環流，並在局部可能存在多個密度流渦環；冬季渤海「馬鞍狀」溫鹽結構反映其密度環流結構要比以往研究結果復雜得多。
  16. The strict solution of the eddy current distribution inside a conductor cylindrical boundary surface for quasi - state - state is obtained by derivation of maxwell ’ s equations ; meanwhile, the approximate solution of the eddy current and electromagnetic field in the condition of the low - frequency or the high - frequency are obtained. furthermore the penetration depth of the skin effect is achieved

    五、討論了似穩條件下導體圓柱面內的渦電流分佈的規律。我們採用圓柱界面條件下獲得的趨膚效應的穿透深度與採用平面條件下獲得的趨膚效應的穿透深度相一致，我們的研究可視為對傳統教材相關論述的有益補充。
  17. In this paper, the electromagnetic problems of the passive feedback coils that restrain the vertical displacement of plasma in fusion device is discussed and the induced currents on the passive feedback coils, the eddy currents magnetic field and the electrical parameters of coils are also analyzed

    本文研究了聚變裝置中用於抑制等離子體垂直位移的被動反饋線圈電磁問題，分析了被動反饋線圈感應電流分佈、渦流磁場及線圈電氣參數等問題。
  18. Calculating the distribution of losses in stator strands based on the eddy current distribution coefficient method. it shows that results from this method and the traditional method are nearly same. so, the average method can be applied to calculate the temperature field

    研究結果表明，採用渦流分佈系數法和傳統所採用平均法計算損耗進而得到的溫度場真實分佈基本相同，可在工程中採用更為簡便的渦流平均法計算損耗和溫度場。
  19. Calculation of stator temperature field of generator based on

    基於渦流分佈系數法的發電機定子溫度場計算
  20. In chapter 2, gives a brief introduction to the basic theory of induction heating technique ; a mathematical modal is developed to describe the distribution of electromagnetic field and eddy current density in the long solid cylinder billet of induction heating. the general question of eddy current field calculation and the weakness of design theories for induction - heating coils that has won great popularity in engineering are pointed out

    第二章：介紹了感應加熱的基本原理，推導了感應加熱工件內電磁場與渦流分佈的理論公式，對感應加熱渦流場計算的一般問題、傳統感應加熱工程工程設計計算的不足以及電磁場數值計算方法作了介紹。
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