vortex structure 中文意思是什麼

vortex structure 解釋
日面旋渦結構
  • vortex : n. (pl. vortexes,-ti-ces )1. 旋渦;旋風;旋卷行雲。2. 【物理學】渦旋;【航空】渦流;【動物;動物學】〈V-〉 單腸渦蟲的一屬。
  • structure : n. 1. 構造,結構;組織;石理,石紋。2. 建造物。3. 【化學】化學結構。4. 【心理學】(直接經驗中顯現的)結構性,整體性;整體結構。adj. -d ,-less adj.
  1. And the paper analyzes the physical reasons that the supersonic flow of fadw degrades the optical quality. and the structure of free - vortex jet of fadw is studied using the methods of shadowgraph and lsi, respectively

    並利用陰影法和剪切干涉法對該窗口的射流流場結構進行了實驗觀察和測量,對其所涉及的氣動光學現象進行了相應的實驗測量和分析。
  2. 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動氣流和罩蓋後部產生的渦流以及上旋氣流,將直接影響霧滴的飄失。
  3. The paper analyzes the characteristic of aerodynamics with structure of helicopter propeller blade, dissertrates vortex theory and the theory about gliding air field which produce the power of helicopter propeller blade. at the same time it also deduce the method of computing the induced velocity produced by helicopter propeller blade with vortex theory. at last, an influcence to the spreading of sound is discussed

    並且將兩種定位演算法進行了比較,說明了優劣;結合直升機的結構分析了旋翼的空氣動力特性,論述了直升機旋翼產生拉力的滑流理論和渦流理論,結合渦流理論論述了直升機旋翼流場誘導速度的計算方法,在此基礎上分析了直升機旋翼流場對聲音傳播的影響。
  4. However, in real atmosphere, there exists vortex street made of two or three mesoscale vortices in typhoon eye - wall or outer region according to circulation of mesoscale structure observations

    但是,據近來臺風環流中尺度結構的觀測結果,實際大氣中,臺風眼墻或外區有時存在2 - 3個中尺度渦構成的渦列。
  5. They are experiment b in which a a bogused vortex with tilted vertical structure is planted and the terrain of zhoushan archipelago exists, experiment bt in which a a bogused vortex with right vertical structure is planted and the terrain of zhoushan archipelago exists, experiment nb in which a a bogused vortex with tilted vertical structure isn " t planted and the terrain of zhoushan archipelago exists, experiment bnz in which a a bogused vortex with tilted vertical structure is planted and the terrain of zhoushan archipelago is removed, experiment blz in which a a bogused vortex with tilted vertical structure is planted and the heights of terrain of zhoushan archipelago are doubled, experiment bmz in which a a bogused vortex with tilted vertical structure is planted and main islands of zhoushan archipelago are set as a part of mainland

    本文應用三重嵌套網格區域的非靜力mm5模式模擬了其生命後期,沿30 n一帶西行登陸的過程,並就熱帶氣旋的bogusing問題、熱帶氣旋登陸過程中的結構演變和舟山群島地形對熱帶氣旋的影響進行了探討,並通過一系列的敏感試驗來確定小型島嶼地形的作用。本文採用了六個試驗方案: ( 1 )試驗b ,有舟山群島的地形,且加入傾斜垂直結構人造熱帶氣旋的試驗方案。 ( 2 )試驗bt ,有舟山群島的地形,且加入正壓垂直結構人造熱帶氣旋的試驗方案。
  6. The paper gives a mechanical and history analysis on the characteristic of laojunshan metamorphic core complex in southeastern yunnan and its structural environment, and considers that metamorphic core complex is actually a nuclear column of a vortex structure, which was caused by the wenshan ? malipo strike - slip fault

    通過滇東南老君山變質核雜巖特徵及周圍構造環境的力學分析及歷史分析認為,該變質核雜巖實質上是旋扭構造的砥柱,而旋扭構造又源於文山?麻栗坡斷裂的走滑運動,拆離伸展構造晚于旋扭構造。
  7. Stream ascended strongly in the center of the mesoscale vortex and the structure of lower - level convergence and upper - level divergence are very favorable to the generation and development of the mesoscale convective system

    該低渦中心存在著強上升運動,低層輻合高層輻散的配置非常有利於中尺度對流系統的發生發展。
  8. In the pseudo - time region, high efficient lu - sgs scheme was used in time - marching. cases with uniform or non - uniform inlet stagnation pressure and with or without tip - gap flow were studied. computed results showed that complex structure vortex appeared and secondary flow occurred in the flow of cascade with tip - gap

    對進口總壓均勻或總壓周向虧損(模擬上游尾跡) 、葉尖無間隙或有間隙等三種不同情況的流場計算結果,進行對比分析發現,流場中廣泛存在流動分離、分離渦以及二次流,這是引發非定常擾動的根源。
  9. In this paper, a bogused vortex with tilted vertical structure is firstly taken into account. check results of experiment b, experiment bt and experiment nb, we find that the simulated tc track, center pressure and pattern of precipitation during landing in experiment b are better than others. so, a bogused vortex with asymmetrical horizontal structure and tilted vertical structure is good for a tc moving in mid - latitude, which may be a new way to initialize this kind of tc in numerical simulation

    本文首次採用傾斜垂直結構的人造熱帶氣旋作為初始渦旋,試驗b和試驗bt以及試驗nb的模擬結果對比發現,前者對9806號熱帶氣旋登陸前後的運動路徑、中心氣壓、降水分佈和初始結構的模擬能力優於後兩者,因此,具有傾斜垂直結構的人造熱帶氣旋比正壓結構的人造熱帶氣旋更適合於作為模擬中緯度運動的熱帶氣旋的初始渦旋,從而提出解決該類熱帶氣旋初始化問題的一種新思路。
  10. Furthermore, the horseshoe shape vortex system occurred to the upstream of the jet exit and the layer structure of vortexes occurred to the wake of the reverse flow region downstream of the jet are also investigated

    另外,觀測到射流噴口上流的馬蹄渦系以及射流逆流區下游尾跡區旋渦的層狀結構形式。
  11. The complex vortex system structure and shock wave system structure inside this rotor is obtained. wall flow patterns on the blade surface and hub surface are found out. the complex vortex system structure, such as horseshoe vortex, passage vortex, corner vortex and trailing vortex, and the interaction with shock wave system are researched. especially, the character of the tip clearance flow inside the rotor passage is revealed, and the interaction between shock wave and tip clearance flow near blade tip and the evolution of tip clearance flow are considered

    給出了葉片表面及輪轂面上的壁面流型,分析並揭示了轉子葉道內的馬蹄渦、通道渦、角渦、尾渦等復雜渦系及其與激波的相互干涉;特別是,分析並揭示了轉子葉道內頂隙射流的特點,得到了頂隙附近激波與泄漏流動的干涉形態及泄漏流動的發展,並著重給出了其與激波的干涉形態。
  12. While slug structure is leaving from computing domain, the successive disturbance develop in downstream direction, the legs of hair - pin vortex approach the wall continuously and induce vortex structures near the wall. the evolution of this near - wall vortex structures brings the secondary transition to turbulence in the pipe flow

    隨著塞流結構流出計算域,后繼擾動向下游繼續發展,表現為發卡渦的渦腳向壁面不斷貼近,進而誘發近壁渦結構,近壁渦結構的進一步演化促使圓管流動出現二次轉捩,發展到了湍流階段。
  13. A novel strip - coil - baffle structure used to enhance heat transfer and support the tube bundle for a tube - shell heat exchanger is proposed. the new structure can sleeve the tubes in bundle alternatively to create a vortex flow in a heat exchanger. the numerical simulation on the flow and heat transfer characteristics for this new structure heat exchanger is conducted. the computational domain consists of two strip - coil sleeved tubes and two bare tubes oppositely placed at each corner of a square. the velocity and temperature fields in such strip - coil - baffled channel are simulated using fluent software. the effects of the strip - coil - baffles on heat transfer enhancement and flow resistance in relation to the reynolds number are analyzed. the results show that this new structure bundle can enhance the heat transfer coefficient up to a range of 40 ? to 55 ? in comparison with a bare tube bundle ; meanwhile, higher flow resistance is also accompanied. it is believe that the strip - coil - baffled heat exchanger should have promising applications in many industry fields

    介紹了一種用於強化管殼式換熱器殼側傳熱和支撐管束的螺旋折流片新型結構,該結構是對換熱器管子相間地套上螺旋折流片以產生旋渦流動.研究模型是在正方形布置的4個管子中的2個對角管子套上螺旋折流片后形成的通道,利用fluent軟體對該上述四管通道模型的流場和溫度分佈情況進行了數值模擬;分析了四管通道模型中螺旋折流片對強化傳熱和流動阻力隨雷諾數的變化關系的影響.算例結果顯示該新型結構可比相同尺寸的光管通道中的情形傳熱系數提高約40 ? 55 ? ,同時也將伴隨較高的流動阻力.可以相信螺旋折流片式換熱器將會在許多工業領域有良好的應用前景
  14. Abstract : a novel strip - coil - baffle structure used to enhance heat transfer and support the tube bundle for a tube - shell heat exchanger is proposed. the new structure can sleeve the tubes in bundle alternatively to create a vortex flow in a heat exchanger. the numerical simulation on the flow and heat transfer characteristics for this new structure heat exchanger is conducted. the computational domain consists of two strip - coil sleeved tubes and two bare tubes oppositely placed at each corner of a square. the velocity and temperature fields in such strip - coil - baffled channel are simulated using fluent software. the effects of the strip - coil - baffles on heat transfer enhancement and flow resistance in relation to the reynolds number are analyzed. the results show that this new structure bundle can enhance the heat transfer coefficient up to a range of 40 ? to 55 ? in comparison with a bare tube bundle ; meanwhile, higher flow resistance is also accompanied. it is believe that the strip - coil - baffled heat exchanger should have promising applications in many industry fields

    文摘:介紹了一種用於強化管殼式換熱器殼側傳熱和支撐管束的螺旋折流片新型結構,該結構是對換熱器管子相間地套上螺旋折流片以產生旋渦流動.研究模型是在正方形布置的4個管子中的2個對角管子套上螺旋折流片后形成的通道,利用fluent軟體對該上述四管通道模型的流場和溫度分佈情況進行了數值模擬;分析了四管通道模型中螺旋折流片對強化傳熱和流動阻力隨雷諾數的變化關系的影響.算例結果顯示該新型結構可比相同尺寸的光管通道中的情形傳熱系數提高約40 ? 55 ? ,同時也將伴隨較高的流動阻力.可以相信螺旋折流片式換熱器將會在許多工業領域有良好的應用前景
  15. Among them, the reaction between typhoon circulation and adjacent mesoscale vortex is more and more noticed. the relation of the structure of circular basic flow of typhoon and the reaction is short of study in existent work

    其中,臺風環流與相鄰中尺度渦旋的相互作用是一個受到廣泛關注的問題,在已有工作中,臺風圓形基流結構與這種相互作用之間的聯系缺乏研究。
  16. Numerical study of vortex structure within turbine cascade with tip clearance

    有間隙渦爐葉柵渦系結構的數值模擬
  17. A new multimode perceptual method for 3d vortex structure

    一種結合視覺聽覺觸覺的三維渦流結構多通道感知方法
  18. The 3d simulation result shows characteristics as well as creating, developing and dissipation process of the microjet. the results show good agreement with experimental results. the numerical study reveals the spanwise instability of vortex pairs, resulting in the breakdown of the coherent vortex structure

    三維微射流流場的數值模擬再現了實驗所觀察到的旋渦對的生成、發展及其相干性的消失過程;揭示了旋渦對沿展向的不穩定性是旋渦對相干性消失的主要原因。
  19. An analysis method of vortex structure based on wavelet analysis

    基於小波分析的一種渦結構分析方法
  20. When the legs of hair - pin vortex move to downstream and extend in azimuth direction, they cause the formation of the vortex structure near the wall. this near - wall vortex structure develops to downstream quickly

    發卡渦的渦腳在向下游發展的同時沿周向擴展,並誘發近壁渦,該近壁渦沿流向快速擴展。
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