渦殼 的英文怎麼說

中文拼音 [guō]
渦殼 英文
scroll case
  • : 渦名詞1. (漩渦) eddy; whirlpool; vortex 2. (酒窩) dimple
  1. In practice, the turbine disc and the nozzles are fitted into a casing.

    實際上,輪圓盤和噴嘴是裝在機里的。
  2. Numerical investigation on the swirling flow inside a volute influenced by distorted inflow

    離心風機蝸進口周向來流的非均勻性對其旋流動影響的數值研究
  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,與另一部分以傘狀形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,又會在葉輪和機之間以物料形成流多次的互相撞擊、摩擦而粉碎,從下部直通排出,形成閉路多次循環,由篩分設備控制達到所要求的成品粒度。
  4. The top sediment above 1. 8m depth was referred to be the deposit under the cold water mass since 9. 7kabp. in the middle southern yellow sea. q - mode factor analysis was employed on 98 samples and 33 benthic foraminiferous species with relative abundance of more than 2 % in at least 3 samples and 5 varimax factors had been recognized as follows : factor 1 ( ammonia beccarii vars

    南黃海中部泥質區的ey02 - 2孔共揭示了氧同位素6期以來的海侵海退序列,該孔浮遊有孔蟲匱乏,說明黃海暖流對鉆孔所處南黃海中部冷泥質沉積區影響一直很弱,底棲有孔蟲中玻璃質占絕對優勢,比例為93 . 87 100 。
  5. Turbine shroud ring

  6. A numerical simulation of three - dimensional gas flow field in a preheating cyclone

    渦殼式旋風預熱器單體三維氣相場的數值模擬
  7. This program can be used to calculate continuous enclosure type isolated - phase bus of different volt and current conveniently. secondly, it calculates a series of rational continuous enclosure type isolated - phase bus for the external diameter of the enclosure is 900mm, analyzes and calculates the magnetic fields of the continuous enclosure type isolated - phase bus by using limited unit method. from this it acquires the distributions of magnetic fields and magnetic density as well as the eddy current

    其次,以全連離相封閉母線外外徑為900mm的情況進行了理論計算,計算了多種預選方案,採用有限元方法對全連離相封閉母線場域的電磁場進行了數值計算,得出了設計母線的電磁場及電密分佈以及流等情況,並對所得結果進行了分析。
  8. The research indicates that the microscale spiral ( vortex ) growth dislocation is another important growth mechanism of pteria penguin and blister pearl from sanya, hainan province

    通過對該珍珠層的表徵與示蹤,初步證實微尺度螺旋(旋)生長位錯是海南三亞企鵝貝及其附珍珠又一重要的生長機制。
  9. During past year, 28 times of measurements for two units of b plant of zhelin hydropower station were made, the states of pressure pulsation in the draft cone tube, head cover and spiral case of units were acquired under different water heads, and the influences of that on safety and stability of units operations were also acquired

    摘要在長達一年多的時間里,對柘林水電廠b廠兩臺機組進行了28臺次試驗,全面掌握了機組各水頭下尾水錐管、頂蓋和渦殼中的壓力脈動情況,以及對機組安全穩定運行的影響。
  10. According to the results of analysis, the shape of the spiral case and stay vanes were improved to reduce the hydraulic losses

    根據解析結果,對渦殼和固定導葉進行了改進以減少水力損失。
  11. Study on formation process of gh202 alloy die forging of sphere turbine

    202合金輪球模鍛件成形工藝研究
  12. 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式換熱器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
  13. 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式換熱器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. In order to avoid the shell cracking during baking process of quick investment casting based on stereolithography ( sl ) pattern, an expanding model of sl pattern - ceramic shell is proposed via analyzing the interaction between investment shell and sl pattern, then the cracking condition of investment shell is given

    摘要為了解決快速熔模鑄造中型開裂問題,對樹脂模型與型材料在消失過程中的熱變形機理和型開裂條件進行了有限元分析,建立了原型型熱變形數學模型,並應用於新型燃氣輪導向器的快速鑄造。
  15. Also, the chamfer of the stay vanes entrance and the surface roughness of the flow channel were optimized by the numerical investigations

    亦對固定導葉入口沖角、渦殼壁面粗糙度對流動的影響進行了定量分析。
  16. This paper deals with a lump - sum flow analysis of a spiral case, stay ring and vaneless annular walls for a small francis turbine by the latest cfd code

    本文對常用的小型混流式水輪機渦殼、座環和無導葉環壁面內流動狀況用最新的cfd技術進行了整體數值解析。
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