swirling flow 中文意思是什麼
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Measurement of fluid flow in closed conduits. velocity - area methods of flow measurement in swirling or asymmetric flow conditions in circular ducts by means of current - meters or pitot static tubes
密封管中流體流量的測定.用電流表或靜壓皮託管測量圓管道內迴旋流或不對稱流動流量的速度-面積法 -
Measurement of fluid flow in closed conduits - velocity area methods - methods of flow measurement in swirling or asymmetric flow conditions in circular ducts by means of current - meters or pitot static tubes
封閉管道內液體流量測量.第2部分:速度范圍法.第3節:用流量計或皮托靜壓管在圓形管道中渦流或不平衡流動條件下測量流量 -
Numerical investigation on the swirling flow inside a volute influenced by distorted inflow
離心風機蝸殼進口周向來流的非均勻性對其旋渦流動影響的數值研究 -
Research about the congealed influence of swirling flow congealment on slag coagulant
旋流混凝作用影響鋼渣混凝劑混凝效果的研究 -
The horizontal swirling flow internal dissipater tunnel being built in gongboxia power station will be the first one reconstructed from a diversion tunnel whose discharge reaches to 1000m vs and water head is more than 100m in china. its scheme ' s argumentation, test research and future apply will have important meanings to the design. research and engineering application of internal dissipation discharge tunnel with swirling flow, will powerfully promote engineering application of this new kind of dissipation mode, which may solve some high velocity problems in high dam construction and provide a engineering example for technological and economical augmentation in a diversion tunnel reconstruction. it is of theoretical and practical importance to promote hydraulic structure researches and development
公伯峽水電站右岸旋流內消能泄洪洞是國內第一個泄量達1000m s 、水頭超過100m ，即將修建的旋流式內消能泄洪洞，其方案的論證與試驗研究以及建成后投入使用，將在國內外旋流式內消能泄洪洞設計、研究與工程應用中具有重要的意義，將有力的推動這一新的消能形式在工程中的應用，從而為解決高壩建設中泄水建築物的高速水流問題與導流洞改建的技術與經濟問題提供工程實例，對推動與發展水工水力學的研究與發展均具有重要的理論與實踐意義。 -
A simulation is carried on three swirling flow with different nonaxisymmetric tangential injection in a horizontal straight pipe to find if neglect their deflations whether they equate to axisymmetric module. a conclusion can be found that when nonaxiwymmetric conditions are occurred, there will be deflections near entrance that are different from axisymmetric condition, and these deflections will be erased on area far from entrance
另外對水平圓管中三種非軸對稱切向入流按軸對稱近似計算時進行數值比較分析，發現三種非軸西安理工大學碩士學位論文對稱切向入流條件下在近入口處出現很大的偏差，這種偏差不能忽視;而經過充分的發展之後，這種差別將被抹平，即在離入口較遠的區域各種情況的計算結果與軸對稱條件比較差別不大。 -
Relaxation factors are adopted. a program is produced to simulate swirling air flow in a horizontal straight pipe and compare with experiment data. the simulation prove that the modified k - model can predict the core, annular and wall regions near entrance and axial velocity far from entrance, but it ca n ' t predict tangential velocity well in weak swirling area far from entrance
編程計算水平圓管內螺旋氣流的流動參數並與實驗數據對比，結果表明修正-湍流模型在近入口處基本上能預測出中心區、環形區和近壁區的流動特性，在遠離入口弱旋流區域對軸向速度的預測符合實際情況，但是出現對周向速度修正過大的現象。 -
Spiral ( swirling ) flow is a sort of special and regular vortex movement
螺旋流是湍流中一種特殊的、規則的渦旋運動。 -
It is a significant subject to study fruid - particle two phases swirling flow, and many study have been carried on it
研究流體-顆粒兩相螺旋流是一個很有生產實際意義的課題。 -
The study in this dissertation has provided a good basis for numerical simulation of three - dimensional fluid - particle swirling flow in a pipe
通過本文的工作，為今後進一步研究管內三維螺旋流問題打下了良好的基礎。 -
With the development of computer, numerical method becomes an effective method to study fruid - particle two phases swirling flow
隨著計算機技術的日益提高，數值方法成為目前研究流體-顆粒兩相螺旋流問題的一種有效方法。 -
The retrofit and commissioning of double adjustable swirling flow burner of boiler no1 in huanneng nantong power plant is introduced
介紹了華能南通電廠# 1鍋爐雙調風燃燒器的改造與調試情況。 -
In order to solve above mentioned two kind problems, in recent years, many test researches and designing schemes have been done aimed at internal dissipater with swirling flow
為了解決上面兩個方面的問題，近十幾年以來，國內外對旋流式內消能工進行了較多的試驗研究與設計方案論證。 -
Finally, author analyzed and compar ed these two schemes on the aspects of technology and economy according to the wholly structure optimizing process and outcome, and recommended the final scheme of the right bank ' s diversion tunnel of gongboxia power station reconstructed into a horizontal swirling flow internal dissipater tunnel
最後根據整個體型優化過程與結果，從技術與經濟對比分析兩個方面，對公伯峽右岸旋流泄洪洞進行了選型研究與方案比較，提出了公伯峽水電站右岸旋流內消能泄洪洞的最終推薦方案。 -
Numerical simulation of flow field in furnace of boiler with swirling burners
旋流燃燒鍋爐爐內流場的數值研究 -
The particles are rolled up by swirling flow. when the particle move to core area its tangential position change far
顆粒運動到軸心位置時周向位移迅速增大，周向力使顆粒堆捲起來。 -
Swirling flow is one of the fashions which often appears in our everyday lives and nature. swirling flow is a very complex flow because of the streamline curvature and the skewness of the velocity vector
螺旋流問題是日常生活和生產實踐中經常出現的一種流動形式，由於流線彎曲、流動斜交，使流動變得十分復雜。 -
Numerical simulation of gas - solid two - phase flows in a swirling - flow combustor through the use of a modified k - - kp two - fluid model
雙流體模型用於模擬旋流突擴燃燒室內氣固兩相流動 -
A program is produced to simulate the particle ' s tracks in swirling air flow in a horizontal straight pipe and find that the tendency of particle migration towards pipe center is not affected by initial position of a particle and all particles are sent into pipe by the axial motion of the swirling flow
編程計算顆粒在管中螺旋氣流的運動軌跡，數值結果表明，無論顆粒初始位置如何，所有顆粒都被推向軸心位置，並被螺旋流的軸向運動推入管中。 -
Firstly in the paper the research of hydraulic characters and the optimize of structure have being carried out on the four bigger design schemes of permanent internal dissipation discharge tunnel reconstructed from the right bank ' s diversion tunnel of gongboxia power station with a method of theoretical analysis combined with test comparisons. on this basis, two form swirling flow internal dissipation schemes, vertical and horizontal axis are recommended to the construction unit of the station as the schemes to be selected next
本文採取理論分析與試驗比較相結合的方法，首先對黃河公伯峽水電站右岸導流洞改建為永久式內消能泄洪洞的四個較大設計方案進行了水力特性的試驗研究與體型優化，在此基礎上，向建設單位分別提供了豎井旋流內消能的推薦方案與水平旋流內消能的推薦方案。
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