渦狀形 的英文怎麼說

中文拼音 [guōzhuàngxíng]
渦狀形 英文
swirl
  • : 渦名詞1. (漩渦) eddy; whirlpool; vortex 2. (酒窩) dimple
  • : Ⅰ名詞1 (形狀) form; shape 2 (情況) state; condition; situation; circumstances 3 (陳述事件或...
  1. Three kinds of trapezoid, delta and airfoil shaped vortex generators are designed based on traditional, sub boundary layer and micro - vortex generators conceptual design, to study the influence of the shape, height, aspect ratio, chordwise position, spanwise position and direction angles of vortex generators on boundary layer separation control

    ( 5 )綜合分析研究了流發生器的工作原理和設計原則。根據國內外資料,研究了流發生器、高度、展弦比、尖削比、弦向位置、展向位置和方位角等因素對附面層分離控制效果的影響。
  2. The wreaths of smoke curled up in such fanciful whorls from his opium tainted cigarette.

    這些煙圈出自他那帶鴉片味的香煙頭,成各種光怪陸離的花紋而裊裊上升。
  3. The series equipment versatillty, its performance had achieved the international advanced level, is at present is most effective, the practical reliable crushed stone machine, is suitable specially for the manufacture grinding compound, fireproof the matreial, the cement, the quartz sand, the emery, the stove are cut broken glass the power, the copper ore, the concrete aggregate and so on many kinds of, the crisp materials on the control granulated substance machine energy conserva tion 50 %, is in the present world system qranulated substance equipment

    物料由機器上部垂直落入高速旋轉的葉輪內,在高速離心力的作用下,與另一部分以傘式分流在葉輪四周的物料產生高速撞擊與粉碎,物料在互相撞擊后,又會在葉輪和機殼之間以物料流多次的互相撞擊、摩擦而粉碎,從下部直通排出,成閉路多次循環,由篩分設備控制達到所要求的成品粒度。
  4. In the second chapter, the fluid mechanics principle of vortex flowmeter at first was introduced. the classical theory about vortex flowmeter and the method of computational fluid dynamics about flow around body were expanded on, and the model of the single bluff body and the dual bluff body vortex flowmeter were constructed. and then, fvm - finite volume method - analysis software fluent was applied to analyze the flow phenomenon of flow over single bluff body or dual bluff body

    然後通過大量實驗和理論分析給出雙鈍體街流量計的設計準則:當管徑為d ,鈍體為三角,則鈍體設計參數為:銳邊寬度= 0 . 26d ,高度= 0 . 34d ,鈍體之間的距離= 1 . 2d (即當兩鈍體寬度相等且鈍體距離等於單鈍體兩列旋之間的距離) 。
  5. Under certain favourable conditions, thunderstorms are accompanied by tornadoes over land and waterspouts over sea. they are intense columnar vortices in the shape of funnel clouds with very strong winds and very low pressure near the centre

    在某些有利環境里,雷暴可能伴有強勁的柱旋,以漏斗雲的態出現,旋接觸地面時叫陸龍卷,接觸海面時叫水龍卷。
  6. Under certain favourable conditions, thunderstorms are accompanied by tornadoes ( over land ) and waterspouts ( over sea ). they are intense columnar vortices in the shape of funnel clouds with very strong winds and very low pressure near the centre

    在某些有利環境里,雷暴可能伴有強勁的柱旋,以漏斗雲的態出現,旋接觸地面時叫陸龍卷,接觸海面時叫水龍卷。
  7. The paper researches the vortex moment caused by the shape and locality error of one hole in the sphere socket. by analyzing and comparing the result we can find the method to decrease the vortex moment

    本課題只研究球窩其中的一個節流孔的和位置誤差所引起的流力矩,通過分析比較計算結果,從而找到減小流力矩的方法。
  8. The results of the experiments indicate that : thermal plumes in the mantle ( i. e. mantle plumes ) should be divided into two types, vertical plumes, as mentioned traditionally, and non - vertical plumes, including those of inclined - columns, vortexes, etc., and the former may be only a particular case of the latter ; under the condition of the coriolis force to be ignored

    在忽略科里奧利力的情況下,板塊的下插和滯積下沉、巖石圈根的存在以及地幔介質粘度的非均勻分佈等都可能構成不同的障礙導流體,導致地幔的旋運動。
  9. 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系以及射流逆流區下游尾跡區旋的層結構式。
  10. Numerical simulation by cfd was carried out to understand the hot current behavior in a tunnel with longitudinal ventilation. it becomes clear that fire source modeling is very important because the hot current behavior is strongly affected by the fire source position and is sensitive to methods in the modeling of the fire source. the flame area which has developed from the fire source is an area of chemical reaction caused by combustion. even if grids in the vicinity of the fire source are made fine, it was difficult to simulate the heat generation area with consideration to this chemical reaction through using a method for setting the heat release rate simply on the fire source surface. therefore, we proposed a method adopting the knowledge on flame shape under the longitudinal ventilation and incorporating it into numerical simulation and it showed a good agreement with the experimental results. it was shown through experiments in a tunnel with longitudinal ventilation that the hot current developed toward the tunnel center downwind from the fire source near a wall. the cause was investigated by numerical simulation and it became clear from the results that the spiral air by the fire plume created a vortex in the crevice between the wall and the plume

    運用cfd進行數字模擬,以了解縱向通風隧道內熱煙氣流的特性.通過模擬發現對火源進行模擬非常重要,熱煙氣流特性受火源位置的影響很大,並且對火源模擬方法很敏感.火源生成的火焰區是燃燒引起的化學反應區域.即使火源附近的木垛排列完好,也很難在考慮這些化學反應條件下模擬熱生成區域.建議考慮縱向通風隧道內火焰並對它進行數字模擬.模擬結果與試驗結果非常吻合.試驗證明,在縱向通風隧道內,熱煙氣流從靠近墻體火源處順風向隧道中心蔓延.數字模擬結果發現,火災羽流造成的螺旋上升空氣會在墻體和羽流之間成一個流區
  11. Abstract : numerical simulation by cfd was carried out to understand the hot current behavior in a tunnel with longitudinal ventilation. it becomes clear that fire source modeling is very important because the hot current behavior is strongly affected by the fire source position and is sensitive to methods in the modeling of the fire source. the flame area which has developed from the fire source is an area of chemical reaction caused by combustion. even if grids in the vicinity of the fire source are made fine, it was difficult to simulate the heat generation area with consideration to this chemical reaction through using a method for setting the heat release rate simply on the fire source surface. therefore, we proposed a method adopting the knowledge on flame shape under the longitudinal ventilation and incorporating it into numerical simulation and it showed a good agreement with the experimental results. it was shown through experiments in a tunnel with longitudinal ventilation that the hot current developed toward the tunnel center downwind from the fire source near a wall. the cause was investigated by numerical simulation and it became clear from the results that the spiral air by the fire plume created a vortex in the crevice between the wall and the plume

    文摘:運用cfd進行數字模擬,以了解縱向通風隧道內熱煙氣流的特性.通過模擬發現對火源進行模擬非常重要,熱煙氣流特性受火源位置的影響很大,並且對火源模擬方法很敏感.火源生成的火焰區是燃燒引起的化學反應區域.即使火源附近的木垛排列完好,也很難在考慮這些化學反應條件下模擬熱生成區域.建議考慮縱向通風隧道內火焰並對它進行數字模擬.模擬結果與試驗結果非常吻合.試驗證明,在縱向通風隧道內,熱煙氣流從靠近墻體火源處順風向隧道中心蔓延.數字模擬結果發現,火災羽流造成的螺旋上升空氣會在墻體和羽流之間成一個流區
  12. As one of the main participators on the internet, the digital archives are in the center of the contradiction all along. moreover, because of the special status of archive information and all the national archives, this conflict tends towards complication : different copyright conditions of holdings, obscure attribution to the digitization right and the network transmission right, weak protection for the archive databases, immature of the copyright collective administration organization, high - degree flexibility of the " fair use " in the network, inconsistent of the terms in the relevant legislations or regulations, etc, all the difficult points turn up

    數字檔案館作為網路的參與主體之一,也一直處于這一矛盾漩的中心,並且由於它所提供的內容涉及檔案這一特殊信息式,以及檔案館作為國家文化事業單位的特定地位,其著作權問題更趨復雜化:館藏檔案著作權態不一、數字化權與網路傳播權歸屬不明、檔案數據庫的弱保護、著作權集體管理組織尚未成熟、網路合理使用范圍高度彈性化、相關法律法規限定內容互有交叉,等等,各種難點紛至沓來。
  13. In lifting - surface theory, the non - liner phenomena of the trailing vortex in the transition wake area and of the tip vortex separation are considered. in surface panel method hyperboloidal quadrilateral panels are employed and the morino ' s analytical formulation is used to determine the influence coefficients. the more reasonable pressure kutta condition is satisfied at the trailing edge of propeller blade

    在計算中,對于升力面理論,本論文考慮了過渡區尾收縮和葉梢分離的非線型現象的影響;對于面元法,本論文採用的是計算較為簡便的基於擾動速度勢的基本公式及雙曲面的面元,在槳葉隨邊滿足更趨合理的壓力kutta條件,並用morino導出的解析公式計算面元的影響系數的快速有效的數值預報方法。
  14. The long stalks of crops were bent over, usually in a swirling direction, and flattened down in a variety of patterns

    這些長長的麥梗被折彎,而且通常成漩攤平成各種
  15. In order to effectively inspect all kinds of defects and to improve the sensitivity and accuracy of inspection, the far field eddy current testing system should be improved further

    為了達到對各種缺陷的有效診斷,提高檢測靈敏和準確性,還需進一步改進和完善遠場流檢測系統。
  16. Firstly, the basic character of the remote filed eddy current is simulated and analyzed in case of two - dimension axial symmetry which approves the existence of remote filed eddy current phenomenon ; the full circumferential defect model is investigated to approve the feasibility of using the rfec techniques to detect the position and depth of defect ; the pit corrosion 、 circumferential and axial crack models are simulated, and the defect character based on voltage plane polar plot and the changes of phase and amplitude are analyzed to supply the standard for defect reconfiguration

    首先,在二維軸對稱情況下模擬與分析了遠場流的基本特性,證實了遠場流現象的存在;對全周向缺陷的遠場流檢測進行了詳細研究,證實了遠場流檢測缺陷位置和深度的可行性;對點腐蝕、軸向與周向裂紋三種非軸對稱缺陷進行三維有限元模擬,利用相位差和幅值變化曲線與電壓平面極坐標圖對缺陷特徵進行分析,為缺陷重構提供了依據。
  17. An aeroengine power - turbine 1 ( superscript st ) stage rotor shrouded blade is taken for an example in the article, tightness of shroud and contact force 、 blade body stress under working state and assembly state are calculated by finite element contact analysis method, influence of working load ( temperature and centrifugal force ) is mainly analyzed

    摘要以航空發動機動力輪一級帶鋸齒葉冠的轉子葉片為例,用有限元接觸分析方法對裝配和工作態下的葉冠緊度和葉冠接觸力、葉身應力進行了計算和分析,著重考察了工作載荷(溫度和離心力)對葉冠接觸力的影響。
  18. Earth is believed to have formed into a terrestrial planet 4. 56 billion years ago when swirling space debris and gas clumped together

    當成漩太空碎片聚集在一起的時候,地球被認為在45 . 6億年前成。
  19. In the same cloud band above the equator, the small swirls in the left - hand image have morphed into larger wave - like features in the right - hand photo

    在左圖赤道上同一雲帶中的小漩成了右圖中較大的波結構。
  20. The relationship between the non - dimensional drag coefficient of sma plate face and time is presented, and the pressure distribution on and around the sma plate surface as well as the karman vortex configuration in the wake at a certain time are given

    給出了記憶合金薄板表面的流體無量綱阻力系數隨時間的變化關系,同時給出了某一時刻薄板表面及其周邊的壓力分佈和薄板尾跡中的卡門態。
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