氣泡計數 的英文怎麼說

中文拼音 [qìpāojìshǔ]
氣泡計數 英文
bubble counting
  • 氣 : 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 : 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...
  • 計 : Ⅰ動詞1 （計算） count; compute; calculate; number 2 （設想; 打算） plan; plot Ⅱ名詞1 （測量或計算...
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 氣泡 : air bubble; bubble; bubble cell; pin hole
  • 計數 : count; tally; counting計數卡 numbered card
  1. 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理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，但其具體的霧化機理還需要做進一步的研究在氣泡霧化噴嘴基礎加入懸臂式簧片哨，將超聲波與氣泡霧化相結合是本文討論的主要內容本文從研究超聲波的一些機理入手，討論了超聲動力發生器氣泡霧化以及液體粘度對霧化質量的影響，並通過具體的實驗，根據實驗數據來討論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，豐富對超聲霧化機理的研究，對超聲霧化噴嘴的設計具有一定的指導意義。
  2. Moreover, the resulted prediction model of foam size of the closed cell aluminum foam was verified by comparison to the experimental results from the foaming process at different foaming conditions, and the predicted bubble diameter is in good agreement with the experimental ones, the relative error distributes between - 5. 04 % and 6. 32 %

    當入射空氣的壓強、氣流量，液面高度，出氣孔直徑增大時，氣泡直徑隨之增大；當出氣孔數量，液體粘度增大時，氣泡直徑減小，表面張力對氣泡直徑的影響可以忽略不計；靜態條件下液體表面氣泡直徑的預測值和實驗測量值符合得較好，相對誤差分佈在- 5 . 04 % ~ 6 . 32 %之間。
  3. At first, bubble flow image is acquired using laser and incandescence lamp respectively as light source and using ccd. according to different optics - dispersion character, threshold segmentation method is proposed to identify gas from the gas - water flow, which make steadfast base for further calculate void fraction. the precision of threshold directly affect the calculate precision of void fraction

    文中分別採用激光片光源和影視燈照明，採用逐行掃描數字ccd攝像機獲取氣泡的流動圖像；根據氣泡和水對光的反射特性不同，提出採用閾值法識別圖像中的氣泡和水，從而為進一步計算摻氣濃度打下堅實的基礎。
  4. Measuring cylinder is used on test bench of fuel injection pump all over the world, so manufacture error, sight error etc make the accuracy degree low. the thesis analyses the problem of fuel measurement system of the test bench of fuel injection pump, and the experiments and designs are done according to the problem, and the type and situation of the test bench of fuel injection pump all over the world is refered to

    目前國內外噴油泵試驗臺量油系統普遍採用量筒式計量法，該方法存在量筒的製造誤差、沉積誤差、液面讀數誤差、氣泡誤差、揮發誤差以及測量人員的視覺誤差等，使得測量精度較低、耗時長，已不能滿足對汽車發動機的環保技術要求和節能要求。
  5. The general numerical method employed for the present computations was ipsa which is a solver for multi - phase flows

    數值求解採用ipsa演算法。實驗上，設計製造了鼓泡塔氣液兩相流動循環系統。
  6. Using digital image processing technique to process the solid - gas - water three - phase flow image and separate dispersed phase from the three - phase flow image, author calculated the bubble number, particle number in instantaneous image, area of bubble image and other parameters, and analyzed the effect of image enhancement, image segmentation, image analysis and other problems existed in bubble image processing

    應用數字圖像處理方法對水氣固三相流圖像進行處理，將其中的分散相分別提取出來，計算得出瞬時圖像范圍內的氣泡個數、粒子個數，氣相所佔流動截面比等參數；分析了圖像增強、圖像分割、圖像分析等方法在多相流圖像測量上的作用以及氣泡圖像處理中存在的問題。
  7. According to different optics - reverberation character of water and gas, this paper put forward how to identify gas from the gas - water digital image and how to f - urther calculate void fraction. the result shows that the method possesses relatively satisfactory precision

    基於水和氣體對光的反射特性的不同，提出了一種自動識別水氣二相流中的氣泡的數字圖像處理方法，並進一步給出計算二維、瞬時摻氣濃度場的演算法。
  8. 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氣泡運動理論計算出氣泡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，得出了從沖擊波到氣泡脈動壓力整個過程對水下爆炸載荷進行模擬的解析公式。
  9. The experimental results of two - phase flow and electric performance reveal the two - phase flow characteristics, the rule of bubble growing and breaking away and the effect of the gravity factor on cell performance. the work provided dependable scientific data and guidance for the application of the proton exchange membrane fuel cell in the aerospace realm. the main work and results of the study are presented as follows : 1

    實驗得到了微重力條件下直接甲醇燃料電池內部伴有電化學反應的氣液兩相流動圖像和相應電性能等實驗數據，揭示出了伴有化學反應的氣液兩相流特點、氣泡生長與脫離規律以及重力因素對燃料電池性能的影響規律，為質子交換膜燃料電池在航天領域的應用提供了可靠的科學數據和設計與運控指導。
  10. 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

    在微氣泡減阻基金項目理論研究方面，梁志勇採用偽譜矩陣方法對平板微氣泡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模型進行平板微氣泡減阻計算。
  11. 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

    在平板微氣泡減阻中，由於水-微氣泡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理論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。
  12. In this paper, numerical investigation into the friction reduction by microbubble for high - speed ships is performed

    本文工作主要是通過計算流體力學方法對船舶微氣泡減阻進行數值模擬。
  13. Numerical calculation of light scattering caused by large spherical bubbles with geometrical physical model

    大氣泡散射的幾何物理模型數值計算
  14. 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

    對氣泡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理論分析。
  15. The numerical simulations are consisted of two parts : the first is to simulate the friction reduction by microbubbles on a flat plate ; the second is to simulate initially the friction reduction on the approximated ship model with the flat bottom

    本文對微氣泡減小表面摩擦阻力的現象進行了數值計算。數值模擬分成兩個部分：第一部分是平板微氣泡減阻的數值模擬；第二部分是平底近似船模數值模擬的初探。
  16. In the text applying the theory of two - phase flow ' press - drop and diversion - phase model, having a analysis to the press characterize of the important part namely the bubble pump of the no - pump libr absorption air - condition, and set up the relational mathematical model

    本文對無泵溴化鋰吸收式空調器的關鍵部位，氣泡泵的特性按照流體力學兩相流的理論進行了分析研究，並應用兩相流的分相模型，建立了數學模型，並進行了數值模擬計算。
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