gas bubble 中文意思是什麼

gas bubble 解釋
氣泡
  • gas : n （pl gases ）1 氣，氣體，氣態 〈cf fluid; solid〉 2 可燃氣，煤氣，沼氣；【礦物】瓦斯。3 【軍事...
  • bubble : n 1 泡，水泡；氣泡；泡沫。2 幻想，妄想，泡影；欺詐性的投機事業。3 冒泡，起泡，沸騰（聲）。4 泡泡...
  1. As opposed to gas-liquid systems, there is an interchange of gas between bubble and continuous phase in fluidized beds.

    與氣-液系統不同的是，在流化床中氣泡和連續相之間有氣體交換。
  2. The explanation could lie in the sharp temperature jump a particle experiences when it becomes dispersed in a bubble of reactant gas.

    其解釋是當顆粒被分散於反應氣體的氣泡中時，經受著溫度的突然躍升。
  3. It is studied that the formation mechanism of taylor bubble and its control method in gas - liquid two - phase flow, which affects the pressure balance and mechanical driving efficiency in the flow of petroleum engineering. experiments show that the formation of taylor bubble in gas - liquid two - phase flow is due to the intensive congregation and amalgamation of small bubbles driven by void fraction waves and that the highly turbulent flow is able to restrain this formation. thus, the flow regime transition may be checked by increasing the flow turbulence and controlling the disturbed frequency

    對大管徑氣-液兩相流動中嚴重影響壓力平衡與機械驅動效率的段塞流生成機制和控制方法進行了研究，實驗證明段塞流的形成是由於空隙率波的大幅度增長使氣泡高度集中，並形成聚並所致。強湍流運動可以抑制taylor泡的形成。因此，通過強化湍流或控制擾動頻率可以對氣泡聚並起明顯的抑制作用。
  4. Based on the analysis and study of the primary principle and countermeasure process of the underwater acoustic countermeasure equipments, the mathematical models of the typical underwater acoustic countermeasure equipments such as the wide - band noise jammer target radiation noise simulator echo simulator and the gas bubble are presented

    在詳細分析、研究水聲對抗器材有關基本概念、基本工作原理及對抗過程的基礎上，歸納、總結了噪聲干擾器、目標輻射噪聲模擬器、主動回波模擬器及氣幕彈等當前典型水聲對抗器材的數學模型。
  5. In the course of its rapid expansion, the hot gas bubble, while still under water, initiates a shock wave.

    在熱氣泡迅速膨脹過程中，（它仍然在水下），它引起了沖擊波。
  6. 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。
  7. 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，還從理論上分析了湍流液體中氣泡變形與破碎的機理，提出了預測氣液相界面積的多相湍流動力學模型。
  8. The algorithm of image processing is the key. due to anomalous welding seam, the intensive arc light, random breaking of the bubble and gathering of the gas in the welding area, the seam images captured contain a lot of noise. in this case the noise must be removed and the welding seam is positioned accurately

    本系統的圖像處理部分採用了ccd攝像頭和視頻捕獲卡，圖像處理的演算法是最關鍵的部分，由於焊縫圖像並不是十分規則，而且在焊接時還會受到強烈弧光、飛濺和工件表面狀況的影響，因此在這種情況下，必須有效的排除干擾把焊縫的中心位置準確找出來。
  9. If bubbles of hydrogen gas adhere to the cathode surface, plating is prevented around the bubble and a pit in the coating results.

    如果氫氣泡粘附到陰極表面上，氣泡周圍的鍍覆就會停止，於是形成一個麻點。
  10. Another measure of holdup is the k factor used by bankoff in connection with the bubble flow pattern in gas-liquid flow.

    滯留現象的另一個度量是Bankoff在氣-液流動的泡狀流型中所採用的因數K。
  11. Experimental investigation of noise reduction on torpedo model by using the gas bubble screen technique

    魚雷氣幕屏蔽及模型降噪試驗研究
  12. In the course of its rapid expansion, the hot gas bubble, while still under water, initiates a shock wave

    在熱氣泡迅速膨脹過程中， （它仍然在水下） ，它引起了沖擊波。
  13. The performance of several real underwater acoustic countermeasure equipments like the noise jammer, the acoustic bait and the gas bubble are investigated

    分析研究了幾種典型的水聲對抗器材，包括噪聲干擾器、聲誘餌及氣幕彈。
  14. Gas bubble in underwater explosion

    水下爆炸氣泡
  15. The analysis of dynamic response of ship hull subjected to gas bubble impulsive pressure of underwater explosions

    水下爆炸氣泡脈動壓力下艦船動態響應分析
  16. Approximate analytical periods to oscillations of a spherical gas bubble in an ideal incompressible fluid

    理想不可壓流體中氣泡非線性振動周期的解析逼近
  17. 05. 02 gas bubble separation time of petroleum oils, test method for

    石油氣泡分離時間的試驗方法
  18. A numerical simulation on effects of vertical channel wide on deformation and heat transfer of a rising gas bubble

    豎直流道寬度對氣泡運動行為影響的數值模擬
  19. By now, many achievements have been acquired, including hundreds of empirical correlations to predict the chf value, and models for chf in different conditions, what ' s more, more basic research about two - phase flow, heat transfer, and behavior of gas bubble etc. whereas, all approach of predicting chf value or explaining the phenomena, has disadvantages of limited parameter range and accuracy

    包括各種參數條件下的經驗公式，對于不同機制下的理論研究以及更加基礎的兩相流動、兩相傳熱、汽泡動力學等多方面的研究。但是在所有目前已經取得的成果中，還是存在適用范圍的局限性以及精確性的問題，因此繼續對chf現象進行深入研究是很有必要的。
  20. The finite difference method and matlab / simulink are used to simulate the pressure transients accompanying the growing and collapsing of gas bubbles and cavitation in low pressure hydraulic pipelines. a method using selector block in matlab simulink to solve the equations in spatial dimension is developed. the pressure transients under different conditions such as different initial flow rate, different viscosity and different initial gas bubble volume are simulated

    採用有限差分及matlab / simulink模擬方法，提出了採用simulink中selector模塊求解空間域上積分的方法，對低壓液壓管路有氣泡和氣穴產生的瞬態壓力脈動過程進行了時間域和空間域上的求解，對不同起始流量、不同液壓油粘度和不同初始氣泡量等條件下的瞬態壓力脈動過程進行了模擬研究。
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