氣旋流 的英文怎麼說
中文拼音 [qìxuánliú]
氣旋流
英文
cyclonic air current-
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
由正壓位渦分析得出,氣旋爆發性發展的啟動因子之一為低層存在強對流性不穩定。In a word, convective instability strong baxoclinicity barotropic advection of potential vorticity and latent heat release are factors which activize this explosive development of cyclone
總之,對流不穩定、強斜壓性和正壓位渦平流、潛熱釋放是本次氣旋發展的啟動因子。On windy occasions such as the approach of a tropical cyclone, air streams of high wind speed may emerge from mountain gaps
風吹越山脈在刮大風的時候,例如在熱帶氣旋逼近時,高速氣流會在山峽形成。In the northern southern hemisphere, the air around an anticyclone moves in a clockwise counterclockwise direction
在北南半球,反氣旋附近的氣流是順時針逆時針方向運行的。In the northern ( southern ) hemisphere, the air around an anticyclone moves in a clockwise ( counterclockwise ) direction
在北(南)半球,反氣旋附近的氣流是順時針(逆時針)方向運行的。Low - level cyclones usually imply horizontally confluent flow and vertically rising air resulting in inclement weather. low - level anti - cyclones bring in fine and stable weather due to horizontally diffluent flow and vertically sinking air
低空氣旋表徵水平匯聚、垂直上升的不穩定氣流,可以導致惡劣天氣產生;低空反氣旋則代表水平輻散、垂直下沉的穩定流場,伴隨著晴朗的天氣。The result shows that : the sand - dust storm occured in favorable climate background that is drought and rainless, the tilted trough and mongolia cyclone are the important weather systems that caused the severe sand - dust storm, tilted trough and strong frontal zone caused the mongolia cyclone developed and the clod front strengthened at surface, high jet and ferrel circulation are the main reason that momentum spreaded downward from higher level and frontal zone strengthened on lower level
結果表明:沙塵暴是在乾旱少雨的有利的氣候背景下產生的。斜壓槽和蒙古氣旋是觸發這次強沙塵暴天氣過程的重要的天氣系統,高空斜壓槽和強鋒區促使了地面蒙古氣旋的發展和冷鋒的加強,誘發沙塵暴天氣。高空急流及其下方的ferrel環流起到了高層動量下傳和加強低層鋒區的重要作用。Inertial instability barotropic advection of potential vorticity the subsidence of the large value of potential vorticity above cyclone and geostrophic adjustment process is dynamical factors which make the cyclone developed violently
慣性不穩定,正壓位渦平流以及正壓位渦大值下沉至氣旋上空和地轉適應過程是氣旋強烈發展的動力因子。The weakest convective instability is at the occluded stages of cyclone
氣旋錮囚期對流不穩定最弱。Experimental research on the flow characteristics of an air atomizing spray nozzle
氣動旋流霧化噴嘴流動特性Wet and dry numerical simulation tests for explosive cyclone over western pacific were performed. by contrast the results show that : tropopause and constant temperature surface were raised by latent heat release in upper level and disturbance trough was produced because air flow ascended and became cold. owing to this process adaption, inertial instability emergenced
對氣旋強烈爆發的過程進行干濕對比數值模擬試驗,得出:潛熱釋放使對流層項和等溫面抬高,氣流在高層的上升冷卻形成擾動槽,其適應過程使高層出現慣性不穩定。Study on the principle of air core forming in hydrocyclone
水力旋流器內空氣柱的形成規律初探In this thesis hydraulic experimental studies and theoretical analyses on the vortex - flow drop shaft were conduced and the following results were accomplished : ( 1 ) in the model test some hydraulic characteristics including the shape of air core in the center of the drop shaft, the radial distribution of water flow velocity and the distribution of pressure on the wall of the drop shaft were measured under the condition of high water head above 250m and large discharge above 1400m3 / s. ( 2 ) a kind of computational method for the spiral water flow in the air core region of drop shaft was discussed and applied and the results agree the experimental data well. ( 3 ) the total ratio of energy dissipation in the drop shaft can reach 90 % and the energy dissipation in every region was discussed quantitatively
本文通過試驗研究與理論分析對旋流式豎井泄洪洞應用於高水頭、大泄流量情況時存在的一些水力學問題進行了研究和探討,取得以下主要成果:一、結合小灣工程導流洞改建,對高水頭( 252m ) 、大泄流量( 1400m ~ 3 s )條件下旋流式豎井中的水流運動特徵進行了比較全面的測量,包括空腔形態、徑向流速分佈及井壁壓強等;二、提出了豎井空腔段螺旋水流水力計算方法,其計算結果與實測值吻合良好;三、利用試驗與計算結果,對旋流式豎井的消能機理進行了探討,對豎井各部分的消能能力有了總體認識;四、對豎井下部消力井的合理井深進行了優化試驗研究,發現消力井合理深度為0 . 9d左右;五、通過試驗研究,歸納出豎井水流總摻氣量估算方法,為導流洞排氣方案的設計提供了參考依據;六、在高水頭、大流量條件下,豎井空腔段下部流速很高,盡管水流螺旋運動引起的離心力可以確保井壁壓強保持正壓,但空化數依然較低,因此豎井的空化空蝕始終是工程界關注的重大問題。Abstract : the distribution of cooling air which is in the grille - brick of the inner combustion hot air stove has been simulated with three dimension turbulent mathematical model so as to find a method which is used to improve the distribution of cooling air in hot air stove. the influence of differential horizontal plates on the distribution of cooling air is discussed. the results show that original big circle round field of flow in the pillar - cavity is changed into full one - way field of flow and edges gas flow, at the same time, is increased by horizontal plates. there is a different function with horizontal plates and vertical plates. to make the uniform distribution of cooling air in the hot air stove, it is necessary that horizontal plates and vertical plates are used in a combined way
文摘:應用紊流三維數學模型模擬內燃式熱風爐內冷風在格子磚柱中的分佈,尋求改善其分佈的途徑.討論了加設不同布置的水平導流板對氣流分佈的影響.模擬結果表明,在支柱空腔內加設水平導流板改變了原有大迴旋流場,使迴旋流變成大面積的單向流.通過在支柱空腔內加設水平導流板可以發展邊緣氣流,這恰好與加設豎直導流板的作用相反,水平導流板和豎直導流板的結合使用有望實現冷風在格子磚柱中的均勻分佈Earth's atmosphere has nothing that resembles a big, stable, anticyclonic flow.
地球的大氣層沒有哪一部分象是一股穩定的大反氣旋流。The vorticities of cyclonic and anticyclonic circulations take on positive and negative values respectively
氣旋和反氣旋環流的渦度分別會取正值和負值。The simulated scs surface circulation is generally cyclonic ( anticyclonic ) during the winter ( summer ) monsoon period with a strong western boundary current. the surface circulation in spring and in fall possesses transitional characters between summertime and wintertime
模擬結果給出了南海環流的基本特徵:西邊界流、南海暖流、冬季(夏季)海盆尺度的氣旋(反氣旋)式環流。When the wpi - soi correlation is weak and the west pacific sst warmer ( colder ), a anomalous anticyclonic ( cyclonic ) circulation is found in the lower troposphere over northern equatorial western pacific. this anomalous circulation is not in favor of maintaining a significant correlation between the west pacific sst and enso
Wpi - soi相關關系微弱時,在西太平洋赤道北側的對流層低層存在高(低)海溫?反氣旋(氣旋)異常環流系統,不利於維持enso與西太平洋海溫變化間的緊密聯系。In addition, the vortex structures of the gas flow field and particle dispersion were studied when the coupling action between the two phases was considered in the case of different mass loading of mediate stokes number particles was provided in the gas - particle plane jet
另外,文中還模擬研究了氣粒兩相平面射流中不同質量攜帶率下中等stokes數顆粒與氣相流場的相間耦合作用下氣相流場的旋渦擬序結構以及顆粒運動擴散規律。Air swirl pipe
空氣旋流管分享友人