斜壓氣流 的英文怎麼說
中文拼音 [xiéyāqìliú]
斜壓氣流
英文
barochinic flow- 斜 : 形容詞(跟平面或直線既不平行也不垂直的) oblique; slanting; skew; bevel; diagonal; askew; inclined; tilted
- 壓 : 壓構詞成分。
- 氣 : 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...
- 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...
- 氣流 : 1 [氣象學] air current; airflow; wind current; airstream2 [語言學] breath氣流紡紗 open end spinni...
-
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。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。It is shown that deep abnormal high pressure confined area ( abnormal prressure fluid compartment ) at footwall in southern margin of the basin and uplift sector closely related to faulting should be as a domain or direction for exploration , and structural traps ( like faulting barrier , anticline , etc. ) along with original oil / gas reservoirs at major faulting footwall as the main exploratary targets
盆地南緣斷裂下盤深層的異常高壓封閉區(流體封存箱) 、與斷裂密切相關的隆起段是今後主要勘探方向與領域,斷裂遮擋、背斜等構造型圈閉? ?主斷裂下盤原生油氣藏是主要的勘探對象。The updated model with complete forcing has excellent ability of simulation and forecast. to study yellow and east china circulation in winter and summer, based on long - term ocean observation data of january and august, the fine structure of yellow and east china seas circulation is diagnostically calculated with complete forcing ( including surface wind stress, boundary transportation, baroclinic effect, tide, changjiang river runoff ) in winter. the influences of factors on main circulation patterns are discussed respectively
對于冬季和夏季海洋環流的情況,在多年觀測的溫鹽資料基礎上,分別以1月份和8月份代表黃東海冬季和夏季的情況,以月平均大氣風應力、邊界流輸送、溫鹽斜壓效應、潮汐、長江口徑流等作為強迫條件,對黃東海環流的細微結構作了高分辨的三維數值模擬,探討了各因子對冬、夏季主要流系的動力學作用。On the basis of these results, the relations of total - pressure recovery coefficient or flow coefficient and flight mach number, angle of attack and the second movable wedge angle of the inlet have been founded by hypersurface fitting, then the mathematical model of the inlet is established
根據流場計算結果並利用超曲面擬合方法建立了進氣道總壓恢復系數、流量系數與飛行馬赫數、進氣道攻角及二級可調斜板角度之間的關系,由此得到了二元混壓式超聲速進氣道數學模型。The blade inner channel cooling is a complex convection - conduction coupling problem. this thesis build a three - dimension. compressible turbulence model, and give a general solve method. with the geometrical model of the glossily rectangle straight channel, the rectangle straight channel with in - line arrays disturb plates, the rectangle straight channel with staggered arrays disturb plates, the rectangle straight channel with slant disturb plates, this thesis compute the flow and heat transfer condition when the cold air path though these channels, and gain the temperature field, pressure field, velocity filed, in addition. this thesis also analyze the influence of the different channel height, the different channel materials, the different channels, and gain the function relation between he nusselt number, friction factor and reynolds number. this thesis is emphasis on the new heat transfer enhancement structure, that is, disturb plates, with the comparison with the glossily channel and channel with pin fins, the heat transfer enhancement effect of the former is better, and the conclusion can be used in the design of aircraft blade
葉片內部通道冷卻是一個復雜的對流?導熱耦合傳熱問題,本文在分析葉片內部通道冷卻的流動與傳熱情況的基礎上,建立了三維、可壓縮紊流的物理模型,得到了通用的求解辦法;利用不帶擾流片的矩形直通道、帶順排擾流片矩形直通道、帶叉排擾流片、帶傾斜擾流片的矩形直通道的幾何模型,計算了冷卻空氣通過這幾種通道時的流動與換熱情況,得到了各種不同情況下計算區域的溫度場、壓力場、速度場;在此基礎上分析了不同的通道高度、不同的葉片通道材質對葉片內部通道冷卻的影響,並整理得到了各種通道形式下,努謝爾數和阻力因子與雷諾數的函數關系;本文重點研究了新型的葉片內部通道冷卻強化傳熱措施?帶擾流片的內部冷卻通道的強化傳熱效果,通過與光滑矩形直通道、帶針肋通道的冷卻效果的比較,表明了這種新型鮚構的優勢,對于葉片內部通道冷卻結構的設計可以起到指導的作用。Results show that all the geometric parameters have remarkable effects on combustion performance ; the swirl of intake air generated by skew intake holes enhances fuel - air mixing, minimizes dead zone and stabilizes the flame with reverse flow, but the excessive reverse flow can cause overheat in combustion chamber and exhaust ; the consistency of flow resistance in intake and exhaust system is conducive to the stability of heater performance
研究表明,燃燒室進氣孔的孔徑、孔數、孔的分佈及方向等均對燃燒性能影響很大;斜孔所產生的旋轉進氣,雖具有強化燃氣混合、消除死區和迴流穩焰的作用,但迴流過度會使燃燒室及排溫過高;保證進排氣系統流動阻力(壓力)的一致性,有助於保證加熱器性能穩定。In the second part of the paper, with employing the game reanalysis data and on the basis of the theories of the baroclinic vorticity development, this paper inferred from the dynamic analysis that the horizontal vorticity can represent the baroclinic intensity of the large - scale atmosphere, and the conversion of the horizontal vorticity converting into the vertical vorticity is actually the phenomenon that the horizontal vorticity flux of the summer monsoon owning the striking longitudinal - direction vertical structure and the strong baroclinicity, influence on the horizontal movement of the atmosphere
在第二部分,基於第一部分的結果,本文在斜壓渦度發展理論的基礎上,用在我國季風區具有更高準確性的game再分析資料,討論分析了能代表大尺度大氣斜壓性強度的水平渦度在向垂直渦度轉化的情況,說明了此轉化就是具有明顯經向垂直結構特徵和強斜壓性的夏季風環流圈將其經向垂直剖面上的渦旋通量強迫於水平運動的現象。With the research of the evolvement features of barotropic and baroclinic atmosphere flow fields, the mechanism has been studied of the formation, development and die out of the heavy rainfall which occurred in wu - han during the period of 21 - 22, july 1998. the results are shown as follows : the evolvement of the rainstorm has a close relation to the barotropic component of the real atmospheric flow filed. and the barotropic component is, to a certain degree, also responsible for the coupling characteristics of high - and low - level jets
本文從研究大氣正、斜壓流場的演變特徵入手研究了1998年7月武漢的一次強暴雨發生、發展、消亡全過程的機理,研究結果表明: ( 1 )未經過尺度分離的實際大氣流場正壓分量的演變與此次暴雨的醞踉、發展和消亡相對應,並且正壓分量在一定程度上反映高、低空急流耦合特徵。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
對干位渦的分析表明:臺風或臺風環流區為高值位渦區,臺風越強,位渦中心值越大;對流層上部或平流層下部冷空氣(高位渦)的擴散南下與暖濕氣流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流層頂發生折疊,平流層與對流層相互作用增強,上下位渦區相接的形勢使低層渦旋發展,上升運動加強,位渦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。But when the baroclinicity of low level vortex was strengthened and when warm air came into being, all the rain belts lay in the left and the front of southeast low level jet
當低渦的斜壓性加大,出現暖空氣的作用時,暴雨區均出現于西南風急流的左前方。The baroclinic component of the real atmospheric flow fields played a dominant role during the torrential rain. with the development of the rainstorm, the barotropic component of the real atmospheric flow fields decreased, along with the baroclinic component increasing
暴雨前後,實際大氣流場的斜壓性一直佔主導地位,並且隨著暴雨的發展,實際大氣流場的正壓性減弱而斜壓性進一步增強。The numerical simulation with complete forcing produces the main characteristics of yellow and east china seas circulation in summer. baroclinic effect plays a important role on yellow seas circulation that yellow seas cold water mass induces a anticlockwise circulation. tide also strengthens it
夏季黃海的環流結構體現了較強的斜壓性,主要以密度流為主,黃海冷水團在黃海中部誘導了一個氣旋式環流,潮汐作用亦對這一環流有貢獻。With the development of the storm, the barotropic component of the mesoscale flow field was decreasing and the baroclinic component was reinforced. on the contrary, the barotropic component of the subsynoptic scale flow fields was reinforced and the baroclinic component was decreasing. the baroclinic kinetic energy played a key role in the process of the rainstorm.
暴雨前後,次天氣尺度與中尺度流場的斜壓性都是佔主導地位,隨著暴雨的發展,中尺度流場的正壓性減弱而斜壓性進一步增強,而次天氣尺度流場的正壓性增強而斜壓性減弱。With 1958 ~ 1997 ncep / ncar reanalysis data and 1961 ~ 1995 summer ( jja ) rainfall and temperature records of 160 stations in china, a new east asian subtropical summer monsoon circulation index is defined, in which the barotropic and baroclinic components of the circulation are included
摘要採用大氣環流正、斜壓分解方法,從東亞副熱帶夏季風為正、斜壓混合型季風觀點出發,定義並計算了1958 - 1997年東亞副熱帶夏季風環流指數。In transforming stage the intruding of cold air intensifies convergence in lower level, which makes for kinetic energy generation and favors to cyclone maintaining. in reintensifying stage the effect of upper jet increases kinetic energy generation by divergent wind in lower level, which causes baroclinic developing in cyclone
在變性階段,由於冷空氣的侵入使低層的動能製造增加,對臺風的維持起了主要的作用在重新加強階段,高空急流的影響使低層散度風的動能製造明顯增加,使氣旋斜壓不穩定發展。In contrast, the baroclinic component over low levels was stronger to south of wuhan and the barotropic component was strong to north of wuhan
暴雨期間實際大氣流場高層的斜壓分量很強;低層武漢以南斜壓分量較強,而武漢以北的正壓分量強。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。The configuration of the diffuser should be designed as a channel to allow the main flow pass through a shock train
擴壓段的形狀應設計成能使主氣流通過系列斜激波串減速的通道。During the rainstorm, the subsynoptic scale flow fields and baroclinic component of the mesoscale high - level flow fields were extremely strong, as well as the barotropic component was obviously strong over low levels
暴雨期間次天氣尺度流場與中尺度流場的高層的斜壓分量很強,而低層的正壓分量很強。分享友人