氣泡理論 的英文怎麼說

中文拼音 [pāolún]
氣泡理論 英文
bubble theory
  • : Ⅰ名詞1 (氣體) gas 2 (空氣) air 3 (氣息) breath 4 (自然界冷熱陰晴等現象) weather 5 (氣味...
  • : 泡Ⅰ名詞1 (氣泡) bubble 2 (像泡一樣的東西) sth shaped like a bubble Ⅱ動詞1 (較長時間地放在液...
  • : Ⅰ名詞1 (物質組織的條紋) texture; grain (in wood skin etc ) 2 (道理;事理) reason; logic; tru...
  • : 論名詞(記錄孔子及其門徒的言行的「論語」) the analects of confucius
  • 氣泡 : air bubble; bubble; bubble cell; pin hole
  • 理論 : theory
  1. This paper introduces mechanism, research methods and main results about microbubble dray reduction

    該文介紹了微降阻機、研究方法和重要結
  2. Ultrasonic has being attracted much attention gradually in fuel atomization because of some specialities of cavitation and infection on liquid flow. in the course of atomization of pitchy oil, especially, does it show greatly its advantage, but its material atomizational mechanism need research ulteriorly. the primary content of this thesis is about adding cantilever reed to effervescent atomizer so as to combine ultrasonic and effervescent. this thesis has discussed ultrasonic some mechanism, ultrasonic dynamical procreator, effervescent and liquid mucosity infection on atomization, at the some time we make some experiments and discuss atomization rule following some machinery parameter and run parameter so as to find some rule about ultrasonic atomization and to rich the research of ultrasonic atomization mechanism. all that will be beneficial to the design about ultrasonic atomization atomizer

    超聲波由於其空化機及對液體的流變性影響等特性,在燃油霧化燃燒中逐步引起人們的重視,尤其在重渣油等高粘度液體的霧化過程中逐步顯示出其優越性,但其具體的霧化機還需要做進一步的研究在霧化噴嘴基礎加入懸臂式簧片哨,將超聲波與霧化相結合是本文討的主要內容本文從研究超聲波的一些機入手,討了超聲動力發生器霧化以及液體粘度對霧化質量的影響,並通過具體的實驗,根據實驗數據來討霧化質量隨各種結構參數運行參數的變化規律,以便找到超聲霧化的一些規律,豐富對超聲霧化機的研究,對超聲霧化噴嘴的設計具有一定的指導意義。
  3. The paper has researched the principle of bubble oscillation, analysed the reason of producing bubble oscillation, especially showed the main essential characteristic and influence factor of bubble oscillation by way of simplifying bubble expanding equation. this offered theoretic basis for studying bubble oscillation influence on bubble growth and strictly controlling foam plastic forming

    本文研究在膨脹階段,振動的機,分析振動產生的原因,特別通過對膨脹方程的簡化,揭示振動的主要本質和影響因素,為研究振動對膨脹過程的影響,嚴格控制沫塑料成型加工提供依據。
  4. And experimental study on the heat transfer performance and pressure drop characteristic of the process of bubbling evaporative cooling are carried. as there are so little attention and studies on the process bubbling evaporative cooling about heat transfer in the world at present, this paper mainly deals with the effects of the different bare tower velocity, weir height, heat flux density and plate perforation geometries on the heat transfer coefficient and the pressure drop of the process of air flowing

    由於目前國內外對鼓蒸發冷卻過程在換熱方面的關注和研究較少,本文對不同空塔速度、不同堰高、不同熱流密度、多孔板的不同幾何尺寸對換熱系數及空流動過程阻力的影響進行了實驗研究及分析,總結了本實驗條件下換熱及阻力的實驗關聯式。
  5. A mathematical model was proposed to compute the interfacial area on the valve tray

    同時根據湍流液體中變形與破碎的機,建立了計算浮閥塔板相界面積的模型。
  6. The dynamic behavior of bubbles in the turbulent liquid is analyzed theoretically, the mechanism of bubble deformation and breakage is explored on the basis of kolmogoroff ' s isotropic turbulence hypothesis, and the mathematical model for predicting gas - liquid interfacial area is proposed

    同時,還從上分析了湍流液體中變形與破碎的機,提出了預測液相界面積的多相湍流動力學模型。
  7. The project of the experimental and theoretic research on friction reduction by microbubbles for high - speed ships, supported by the national natural science foundation of china ( no. 19772050 ), aims to study the key technology of air - jetting devices and its relevant problems, theoretically predict the law of bubble diffusing in the boundary layer and calculate the friction of the hull

    國家自然科學基金項目「高速船減阻試驗及研究」的目的在於研究高速船噴裝置的關鍵技術及其相關問題,並從上預測噴在船底邊界層的擴散規律和計算船體摩擦阻力,為將這一技術應用到實船上提供基礎。
  8. On the basis of analysis of characteristic of common air detector, in allusion to specific request of air bubble monitoring in the transfusion pipe, the thesis selects ultrasonic air detector to monitor air bubbles, then analyzes and reasons its feasibility in theory

    在分析常用的探測器特點的基礎上,針對輸液管檢測的具體要求,選用超聲波探測器傳感器進行檢測,並對其可行性進行了原性的分析和證。
  9. When nals was used as the collector in the process, the optimal conditions were the ph of feed solution 5. 0 - 6. 0, air flow rate 100ml / min, the liquid column depths 20cm, the surfactant concentration determined by its cmc and feed concentration. under this condition, the 3 can be above 20. also, the optimal ph ( 5. 0 ) was calculated theoretically for the recovery of the cu ( ii )

    對以十二烷基硫酸鈉為捕集劑的沫吸附分離過程的工藝參數進行了研究,並得出本分離系統所確定的最佳工藝參數為: ph5 . 0 6 . 0 ,體流量100ml min ,液位高度20cm ,最佳表面活性劑濃度由其臨界膠束濃度和原料液濃度確定,此時(濃縮比)可達20以上;同時還從上推算出沫吸附分離銅的最佳ph值范圍為5 . 0左右。
  10. The present paper firstly gives a review about the developments and researching status of gas - liquid two - phase flow. the complexity and difficulties in gas - liquid two - phase flow are discussed. based on this, the dissertation presents theoretical and experimental investigations on adiabatic gas - liquid two - phase turbulent flow in a bubble column

    本文綜述了國內外對鼓液兩相流的研究現狀,通過分析指出液兩相流問題的復雜性及其模化尚存在的問題,從和實驗兩個方面對鼓塔內液兩相湍流進行了研究。
  11. The analyses of stochastic force on fluidized bed systems apply the stochastic theory to flowing mechanism and studies of bubble distribution, and redound to open out the inside nonlinear mechanism and characteristic of fluidized beds

    對流化床系統的隨機力分析將隨機的方法運用到流化床流動機分佈研究中,有助於揭示流化床內部非線性機和特性。
  12. Abstract : the image of arc zone of flux - cored underwater wet welding was developed with underwater ccd camera system and composed filter technology. the discussion is mainly focused on the theory of edge detection. an image edge detection method based on median filter and grads algorithm was developed to detect the arc burning zone and arc bubble zone efficiently, which laid the foundation for further analysis of underwater wet welding arc mechanism and process control

    文摘:通過復合濾光技術和水下ccd攝像系統,採集出了藥芯焊絲水下濕法焊接電弧區域圖像,重點述了邊緣檢測,確定了基於中值濾波和梯度運算元的電弧區域圖像邊緣檢測方法,有效地區分了電弧燃燒區域和電弧區域,從而為水下濕法焊接電弧的機分析及水下焊接過程式控制制奠定了基礎。
  13. Based on theoretical analysis, microbubble drag reduction is due to structure change of turbulent boundary layer caused by the microbubbles. experiments testify microbubble drag reduction for turbulent boundary layer, as well as bubble size, main flow velocity, etc. affecting the reduction ; with proper flow field model, turbulent model and difference scheme, numerical methods simulate the effect of boundary layer and bubble numbers on dray reduction

    分析提出微降阻機在於其引起湍流邊界層結構的變化;實驗證明了微對湍流邊界層的降阻作用以及尺度、主流速度等對降阻作用的影響;數值方法利用適當的流場模型、湍流模型和差分格式,模擬邊界層和數等對降阻的影響。
  14. Pulsation dynamics of an underwater explosion bubble vertical migrating to a horizontal rigid plane

    水平剛性面下方水下爆炸垂向運動的研究
  15. By employing cole ' s classical theory of bubble dynamics, the motion of bubble produced by the underwater explosion and the corresponding bubble pulsating pressure are calculated. a profile function of the shock wave and its parameters are determined according to the principle of wave profile similitude and the equality of impulses. finally an analytic formula is derived to simulate the whole time history of the pressure from the front shock wave to the bubble pulsation, representing the fluid loadings of the underwater explosion

    木文首先應用庫爾的經典水下爆炸運動計算出的運動和脈動的壓力波形,再依據波形相似的原則尋找波形模擬函數,用沖量相等的原則確定波形參數,得出了從沖擊波到脈動壓力整個過程對水下爆炸載荷進行模擬的解析公式。
  16. Focusing on image measurement method for bubble in multiphase flow, theoretical and experimental studies have been made in this paper systematically and comprehensively

    本文圍繞摻多相流中的圖像測量方法進行了系統而深入的和實驗研究。
  17. In the theoretical research part of the project, liang zhi yong adopted the pseudo - spectral matrix method to simulate the friction reduction by microbubble on flat plates numerically ; and lin li ming used the model of ipsa ( inter - phase slip algorithm ) provided in phoenics to study this problem

    在微減阻基金項目研究方面,梁志勇採用偽譜矩陣方法對平板微減阻進行了數值模擬;林黎明則主要是採用phoenics軟體提供的ipsa模型進行平板微減阻計算。
  18. In the simulation of friction reduction on a flat plate, since the effects, including the order of magni tude of several interact ions between water and microbubbles and correlated coefficient models of interactions, on the results are unknown, which are rather important in establishing the simplified model put into the theory and engineering practice, the results about them are presented as the preparation for the further study

    在平板微減阻中,由於水-微之間的各種相互作用力的量級,以及這些作用力的系數模型對計算結果的影響是未知的,而這一點在建立簡化模型開將期應用於和工程實踐中是相當重要的,因此本文對此進行了計算,以為深入研究作準備。
  19. For the laser stream cleaning, the removing force is qualified by setting up a model, in which laser heats the medium film and produces bubbles in a film of medium near substrate surface, then the growing bubble impels the medium around it, at last the particles on the surface are removed by the rapidly moving medium

    然後引入成長動力學和流體沖擊力學,解釋了激光濕式清洗中微粒被去除的機,建立了激光濕式清洗光學基片的動力學模型。試驗的結果與模型分析的結都表明激光濕式清洗能夠有效去除表面吸附的微米甚至亞微米級的污染微粒。
  20. Program of the model was built and having a mathematical simulation. and perfoimed a detailed analysis of the simulation result of the important characterize parameter, the height of advance, the height of the absorption ' s liquor face, and the difference of the libr density

    泵的主要的特性參數,直徑,提升高度,吸收器液面設計高度,製冷量,濃度差的相互關系,在文中進行了詳盡的數值模擬計算,並對模擬結果進行了分析。
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