spiral case 中文意思是什麼

spiral case 解釋
螺殼
  • spiral : adj 1 螺旋形的,盤旋的,盤旋上升的。2 【數學】螺線的。n 1 螺旋形物。2 螺簧;【物理學】螺線。3 【...
  • case : CASE =computer aided software engineering 【計算機】計算機輔助軟體工程。n 1 情況,狀況;真相。2 ...
  1. Our bindery is capable of producing a wide variety of binding styles, including case - bound, perfect bound, flexi - bound, thread sewn or notch bound, wire - o bound, spiral, saddle stitch bound, and others

    裝釘的類別亦十分繁多,包括精裝無線膠釘軟脊膠釘鎖線或開糟裝釘雙線圈裝釘螺旋裝釘騎馬裝釘以及其他等等。
  2. In certain case it might be necessary to further decompose a spiral into convex subsets.

    在某些情況下,把一個螺旋形進一步分解成凸子集是必要的。
  3. The transient cfd simulation including the spiral case, stay vane, guide vane, runner vane and draft tube at different operation points is studied fitly, then the result of the pressure distribution on runner blade is provided for the runner transient structural simulation by fluid - structure interaction ( fsi ) method

    文中首先對高水頭小負荷的渦帶工況下混流式水輪機內流場進行非定常cfd計算,得到渦帶工況下葉片表面不同時刻的水壓力載荷,並利用流固耦合方法對轉輪進行結構場瞬態特性計算,分析轉輪葉片的動應力特性。
  4. Technological guide for assembly and welding of metal spiral case of turbine

    水輪機金屬蝸殼安裝焊接.工藝導則
  5. Three - dimensional nonlinear analysis of complete bearing spiral case without cushion

    完全聯合承載蝸殼三維非線性分析
  6. The calculation model of hydro - mechanical transient in existence was deeply studied and the conclusion is that, for kaplan turbine and pelton turbine, neglecting differences of dynamic mater pressure along the turbine spiral case during transient may cause some error in the calculation of pressure rise and speed rise

    本文深入研究分析了軸流式和沖擊式機組過渡過程計算的現有模型,指出現有模型中對蝸殼(進水管)部分的處理方法會給這兩種機組的過渡過程計算帶來相對較大的偏差。
  7. 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。
  8. 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。
  9. In this paper, at first the cfd simulation including the spiral case, stay vane, guide vane, runner vane and draft tube at different operation points is studied, then the result of the pressure distribution on runner blade is provided for the runner structural simulation by fluid - structure interaction ( fsi ) method

    本文首先對混流式水輪機全流道內流場進行了多工況的cfd計算,得到不同工況下轉輪葉片表面水壓力載荷,並利用順序流固耦合方法對轉輪在各種工況下的應力特性進行計算。
  10. Our products includes dead - end, clamp, formed wire dead - end, dielectric dead - end product line, spiral vibration damper, dielectric suspension and splice case, etc can be customized to satisfy the requirement from our energy customers and optic fiber manufacturers

    電力金具產品有:導線耐張線夾拉線耐張線夾單懸垂線夾雙懸垂線夾護線條接續條防振金具等。
  11. 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。
  12. The optimized model, in which water turbine is decomposed and placed along the spiral case ( placed at the nozzles for pelton turbine ), is proposed in this paper. transient calculation for two projects showed that the proposed optimized model are reasonable and effective

    本文從理論分析入手,根據軸流式機組和沖擊式機組的特點,提出把水輪機分解成多個水輪機,並把它們放置在蝸殼沿線(噴嘴處?對于沖擊式機組)的優化方案,以減少用現有模型計算帶來的偏差。
  13. The cutting method, installation and welding technique of the expansion joint of spiral case of no. 5 generating unit of long - tan hydropower station have gained good effectiveness, which can be used for reference for the similar generating unit

    龍灘水電站安裝完畢的5號機蝸殼湊合節的下料方法、安裝與焊接工藝都取得了良好的效果,對同類機組會有一定的借鑒作用。
  14. In order to ensure the material quality and welding quality of expansion joint of spiral case, and the safety and reliability of hoisting equipment, the practical, scientific and reasonable installation technique is key and essential

    摘要為了保證蝸殼湊合節瓦片的下料質量、吊裝設備安全可靠和焊接質量,切實可行和科學合理的安裝工藝將是極其關鍵的一項工作內容。
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