渦動氣流 的英文怎麼說

中文拼音 [guōdòngliú]
渦動氣流 英文
wind eddies
  • : 渦名詞1. (漩渦) eddy; whirlpool; vortex 2. (酒窩) dimple
  • : Ⅰ名詞1 (氣體) gas 2 (空氣) air 3 (氣息) breath 4 (自然界冷熱陰晴等現象) weather 5 (氣味...
  • : 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...
  • 氣流 : 1 [氣象學] air current; airflow; wind current; airstream2 [語言學] breath氣流紡紗 open end spinni...
  1. One of factors which activize the explosive development of cyclone exists strong convective instability in lower layers from the analysis of the barotropic potential vorticity

    由正壓位分析得出,旋爆發性發展的啟因子之一為低層存在強對性不穩定。
  2. The nozzle flow is composed of the main gas stream and the secondary air stream in order to simulate the nozzle of turbofan engine

    噴管中的由主和次組成,用以模擬扇發機的噴管。
  3. How often does severe clear air turbulence occur over tropical oceans

    熱帶海洋晴空發生強的頻率如何?
  4. We can use the mm5 model in definite time, definite area weather forecasting. we conclude that : : the moving route of this necw in its developing progress was direct - south along latitude, the cold air is rough, and just this made the rough vertical velocity ; the necw southern moving and conflicting with the west pacification sub - tropical high makes rough jet steam. the plenty south - west warm and wet air made by the jet stream gave the rainstorm demanded vapor ;. the rough vertical velocity by jet stream is a main reason in this rainstorm ; the mm5 model uses four - direction analysis data as its input, this avoids some errors occurred in observe and transfer, thus made the result more useful

    綜合分析認為: ( 1 ) 、這次冷在其發生發展過程中,其移路徑是沿經圈直線南壓,攜帶的冷空勢力較強,形成槽后較強的垂直運; ( 2 ) 、西太平洋副熱帶高壓偏北位置與東北冷南壓形成的急軸,把源源不斷的西南暖濕輸送到遼西地區,也就是急軸的左前方位置,為這次暴雨的產生提供了充足的水汽來源; ( 3 ) 、低空急不但為暴雨輸送水汽,其造成的較強的垂直環也是產生強降水的一個主要原因; ( 4 ) 、 mm5模式以四維同化資料作為初始場,最大限度地避免了觀測誤差可能造成的積分不穩定,提高了模擬結果的參考價值。
  5. Because of its special structure, the high velocity flow under the shield, big vortex and upcast flow behind the shield will affect the spray drift. if these situations could be changed, the drift can be reduced further

    但由於該罩蓋的結構特點,其下方產生較大速度的運和罩蓋後部產生的以及上旋,將直接影響霧滴的飄失。
  6. As the hot air rises, a powerful updraft is also created by the tower that allows air to be continually sucked through 32 turbines, which spin to generate power 24 hours a day

    當熱空上升時,一股有力的上升被可以讓32個輪持續吸引的塔所生成,那些輪可以產生24小時的力來紡紗。
  7. Although the knowledge of wind effects on tall buildings has significantly improved over the last decades, an understanding of the mechanism that the atmospheric flow field to various wind include effects on structures has not been developed sufficiently for formulation of functional expressions. not only is the wind approaching a building complex, but the flow pattern generated around a building is complicated by the distortion of the mean flow field, the flow separation, the vortex formation, and the wake development

    在過去的幾十年裡,雖然人們對高層建築風效應的了解已有顯著提高,但對大場與結構物各種風致響應的關系還不能用解析表達式加以描述。由於平均場的奇變、分離、旋形成以及紊的發展,不僅使得向建築物的風,而且使得繞建築物的譜變得十分復雜。
  8. Based on detailed analyze on turbine engine and ramjet, a new conceptive internal - rotor burnt rotating ramjet ( irbrr ) with an rotating cylinder in the center of rotor in which the revolved stream can be ram - compressed and burnt has been proposed and some primary research have been done as below : the scheme of structure, principles, thermodynamic cycle and performances of the new conceptive engine has been studied in the paper

    本文通過對燃輪發機和航空沖壓發機的原理結構進行詳細分析並進行融合創新,提出了一種利用內置旋轉汽缸進行旋轉沖壓壓縮和旋燃燒的新概念內置燃燒室旋轉沖壓發機,並進行了一些前期的基礎性探索研究,具體研究內容有:對旋轉沖壓發機進行了總體方案設計、工作原理分析、熱力循環和性能分析等概念性研究。
  9. In the swirl, air stream at the periphery tend to have higher temperature compared to that in the center. by means of a separating plate, the airflow is separated into streams of hot and cold air. each stream of air then emerges from a particular end of the tube, named the cold and hot end accordingly

    體在熱端管的過程中,外層溫度升高,內層返溫度降低,高溫從熱端閥出,低溫體通過冷孔板出,從而將進管的分離為冷熱兩股溫度不同的
  10. In 1999, the dipole existed in between the okhotsk high and the depression in the north of northeast china, thus the okhotsk high became active and maintained, the subh was located to an area quite further south than usual. the high persisted in the east region of nw china, the cold air flowed to the mid - lower reaches of the yangtze river along the high. in the east region of nw china, air steam under troposphere was strong sinking motion, and formatted the negative vorticity region, the vapour flux divergence was divgence. lt was apparently that the rain could n ' t occur in the eastern portin of nw china. in 2000 year, okhotsk high was very weak or did n ' t exist in, there was high in the east asia - japan, the subh is located to an area further north than usual. in the east region of nw china, the trough maintained, air stream under troposphere was strong ascending motion, the cycolonic circulation was prevailing, the vapour flux divergence was intensive convergences the rain easy happened in the east areas of northwest china

    4多梅雨1999年鄂霍茨克海阻塞高壓與我國東北北部低壓形成偶極子,使得阻塞高壓穩定少,西太副高位置偏南,西北地區東部持續受高壓控制,冷空沿此高壓經長江中下游地區上空;在西北地區東部對層中下層下沉運較強,呈反度,水汽通量散度輻散,不利於西北地區東部降水。空梅雨2000年相反,鄂霍茨克海高壓減弱甚至不存在,東亞-日本為高壓,西太副高位置偏西偏北,西北地區東部處于西風槽中,對層中下層上升運增強,盛行低壓環,水汽通量散度強烈輻合,有利於降水生成。
  11. Numerical investigation on the throughflow characteristics of a variable - geometry power turbine for marine gas turbine

    艦船燃輪機變幾何輪通特性的數值研究
  12. The analysis of dry pv shows that the high pv dominate the area of typhoon, the higher is the center value of pv, the stronger is the typhoon. lt is also shown that the most important reason resulting in rainstorm is the cold air ( high pv ) which spreads to south from the upper troposphere or lower stratosphere and transports into the warm air. the joining situation of upper and lower pv area make vortex develop. pv transpotation reduces static stability, which increases the releasing of instability energy and makes rainstorm amplify

    對干位的分析表明:臺風或臺風環區為高值位區,臺風越強,位中心值越大;對層上部或平層下部冷空(高位)的擴散南下與暖濕的交匯是造成特大暴雨的重要原因,因為上游斜壓性的發展使對層頂發生折疊,平層與對層相互作用增強,上下位區相接的形勢使低層旋發展,上升運加強,位的下傳有效地降低了靜力穩定度,有利於位勢不穩定能量的釋放,使得暴雨增幅。
  13. Then numerical experiments on forcing dissipation and heating response of dipole ( unipole ) are carried out using global spectral model of quasi - geostrophic barotropic vorticity equation. for every experiment model integration is run for 90 days on the condition of three waves quasi - resonance. the results are given as follows : ( 1 ) under the effects of basic flow intensity and dipole ( unipole ) forcing source, there exist strong interaction among the three planetary waves, and there also exist quasi - two - week and intra - seasonal oscillation of the three planetary waves

    然後,用數值試驗的方法,應用強迫耗散準地轉正壓度方程的全球譜模式,並在方程中考慮了偶(單)極子的熱力強迫作用,在三個行星波準共振的條件下,模式共積分90d ,得出: ( 1 )在基本強度和偶(單)極強迫熱源的共同作用下,三個行星波之間存在很強的波?波相互作用,且波振蕩呈現準雙周和季節內振蕩。
  14. Abstract : the paper introduces a new kind of vortex gas mass flowmeter, which can measure gas mass flow by testing the vortex frequency and the horizontal varying lifting force

    文摘:介紹了一種利用檢測漩頻率和橫向變升力的方法測量體質量量的漩體質量量計。
  15. With computations and analysis, the comprehension on the mixing and combustion process is increased, and some significative results are listed below : a ) there are three recirculation regions and one vortex region in the combustor, and these recirculation regions affect the combustion process deeply, b ) increasing side - arm angle and moving side - air inlet position toward the fuel inlet can improve mixing and combustion characteristics, and increase the combustion efficiency, c ) when the angle between two air - inlets equals to 180

    通過計算與分析,增進了對補燃室內摻混燃燒過程的理解,為固體火箭沖壓發機補燃室設計提供了一些有意義的結果: 1補燃室內的十分復雜,存在三個迴區和一個旋區,迴區對摻混燃燒過程有重要影響; 2增大空入射角度、向前移道出口位置有利於增強頭部迴區強度,增強摻混效果,燃燒效率上升; 3
  16. The article point out that the downward transport of the high moist potential vorticity from high level causes the development of low level cyclone. the rainfall may occur near the south area of positive center of mpv1 and negative region of mpv2 at 500hpa

    在整個降水過程中,副熱帶高壓穩定少,其西北側的暖濕為強降水提供了充沛的水汽條件,地面冷鋒和高原低是其抬升機制。
  17. It is crucial for cooling high temperature parts in aero - engines to master the rule of the flow field in turbine discs air cooling system

    掌握輪盤腔冷卻系統內的運規律是對航空發機高溫部件進行冷卻的關鍵。
  18. System provide superiority momentum and middle - level dry and cold atmosphere for the hailstone convection. the ground pressure field and wind field provide low layer warm and humid condition. the second part is simulating water vapor combine conditions

    此次冰雹強對過程主要是受深厚的低系統作用的結果,為此次天過程提供了優越的力條件,有利於對層低層暖濕空的抬升和中層乾冷空的注入。
  19. A mathematical model is developed for simulating transient performance of the turbofan engine, in which the transient heat transfer between the components and airflow, tip clearance and components efficiency changes caused by heat transfer are analyzed

    摘要以某扇發機的過渡態性能模擬為研究對象,建立了過渡過程中零部件與之間的不穩定熱交換、由於熱交換引起的間隙變化以及引起的部件效率變化的數學模型,並且將此模型引入面向對象的航空扇發機過渡過程性能模擬程序的框架中。
  20. To satisfy the practical need of film cooling in turbine blades of aeroengine, some detailed experimental measurements on the flow field in the channel with the holes on the wall and in the holes had been completed within a wide range of aerodynamic parameters. and the interrelated numerical simulated compute had also been implemented

    本文根據航空發機中輪導向葉片膜冷卻的實際需要,在寬廣的參數范圍內,對葉片內冷通道的場進行了詳細的實驗測試,同時還進行了相應的數值模擬計算。
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