空泡壓力 的英文怎麼說

中文拼音 [kōngpāoyālì]
空泡壓力 英文
cavity pressure
  • 空 : 空Ⅰ形容詞（不包含什麼; 裏面沒有東西或沒有內容; 不切實際的） empty; hollow; void Ⅱ名詞1 （天空） s...
  • 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...
  • 壓 : 壓構詞成分。
  • 力 : Ⅰ名1 （力量; 能力） power; strength; ability; capacity 2 [物理學] （改變物體運動狀態的作用） forc...
  • 空泡 : [醫學] vacuole; physalides; vacuolus
  1. The advantage and disadvantage of measurement of propeller - induced pressure by using different equipment is discussed. the method to obtain self - propulsion point for full scale in depressurized towing tank is studied. the measurements of pressure of two propeller models are carried out, the results of the measurement agree with those obtained by cavitation tunnel very well, which proves this measurement is successful, and the theoretical prediction is verified too

    比較了不同測試設備用於螺旋槳脈動壓力測試的優缺點，探討了在減壓拖曳水池中實現實船自航點的方法，並進行了兩只螺旋槳模型的脈動壓力測試，經與空泡水洞中脈動壓力的測試結果進行比較，說明該項測試是成功的，同時也對脈動壓力的理論預報結果做了驗證。
  2. 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。
  3. The prediction error percentage of the 52000t all - purpose cargo ship compared with the model test result is 21. 8 %, 300000t vlcc compared with the measured value is merely 3. 64 %

    用該公式預報的5 . 2萬噸多用途貨船的脈動壓力值與空泡水筒中的實驗值相比誤差為21 . 8 % ；預報了30萬噸超大型油船的激振力並由該激振力算出的尾端振動速度值與實測值相比誤差僅為3 . 64 % 。
  4. When alveolar pressure exceeds 80 - 100mmhg, air can be forced into pulmonary capillaries

    當肺泡的壓力超過80至100水銀汞柱時，空氣便會被強迫的進入肺部血管內。
  5. Neglecting the influence of some factors, such as liquid ' s viscidity etc., upon the process of empty bubble breaking, the authors analyze the pressure variation on bubble ' s wall in all directions when it shrinks, and deduce the equation of its moving track towards the rigid side wall under the function of asymmetry pressure

    摘要通過對忽略液體粘性等一些因素對空泡潰滅過程的影響，分析了空泡在收縮過程中，泡壁四周壓強的變化，得出空泡在此不均勻壓強的合力作用下向剛性邊壁運動的軌跡方程。
  6. 3 ) open - water and self - propulsion tests for the hd propeller and mau propeller. 4 ) cavitation observation and pulsing pressure measurement

    3 ）滬東型（ hd ） mau圖譜槳的敞水試驗和自航試驗4 ）滬東型（ hd ）螺旋槳的空泡觀察與脈動壓力測量。
  7. The functions of hemodialysis instrument include the blood circuit, the dialysate circuit, the pressure detection, the air bubble detection and temperature detection

    以及此血液透析儀所具有的功能，包括血液流路、透析液迴流路以及壓力檢測、空氣氣泡檢測、溫度檢測等。
  8. The main work in this paper includes three parts : the theory research on partially - cavitating and super - cavitating axisymmetric bodies, the numerical computations and experimental investigations on partially - cavitation and super - cavitation on axisymmetric bodies. after finishing the study of theory and experiment on the partially - cavitation and super - cavitation for axisymmetric body, i use the potential flow theory to build the mathematical model on the partially - cavitation and super - cavitation for axisymmetric body. many cavity wake models, such as pressure recovery close model, riabouchinsky model and re - entrant jet model, are studied seriously

    本文在深入研究了回轉體局部空化與超空化理論及實驗結果的基礎上，基於勢流理論，建立了回轉體局部空泡和超空泡流場的基本數學模型，通過對kinnas和fine 、 uhlman以及jiedang和gertkuiper等人基於二維水翼提出的壓力恢復閉合模型、鏡像板模型和回射流模型等空泡尾流模型進行了逐一的研究分析，發現其中的壓力恢復閉合模型較適用於模擬回轉體空泡尾部流場，並選用此空泡尾流模型作為求解回轉體空化流場正問題與逆問題的數學模型的組成部分。
  9. Presently most of the theoretical method to predict the propeller - induced hull pressure fluctuation is based on the calculation method in which the pressure is induced by pulsating source in infinite flow. the calculation method is adopted and the corresponded computer program is complied. the propeller - induced hull pressure fluctuation due to blade thickness, blade load, cavity thickness and the change of the cavity volume can be analyzed respectively in the computer program

    目前，螺旋槳誘導的船體表面脈動壓力的理論預報方法，大多是以無限流場中點脈動源誘導的周圍流場的脈動壓力的計算方法為基礎的，本文採用該方法編制了計算程序，可以分別考慮槳葉厚度、槳葉負荷、槳葉上空泡厚度及其體積變化在船體表面指定位置上產生的脈動壓力。
  10. With the fund item sponsored by the national laboratory of hydrodynamics, the study on measurement method of propeller - induced pressure with using self - propulsion model has been carried out in depressurized towing tank

    在脈動壓力的模型測試研究方面，本文在水動力學國家重點實驗室基金項目的資助下，對在減壓拖曳水池中利用自航模進行空泡螺旋槳誘導的脈動壓力的測試方法進行了研究。
  11. The prediction of propeller - induced hull pressure fluctuation in non - uniform flow is studied by using theoretical calculation and model experiment systematically. an intact method and computer program for the prediction of unsteady cavitating propeller - induced hull pressure fluctuation in non - uniform flow is set up in this paper. the measurement of propeller induced hull pressure fluctuation in depressurized towing tank carried out in this paper is the first time inland

    本文從理論計算和模型試驗兩個方面系統地研究了不均勻流場中螺旋槳空泡誘導的船體表面脈動壓力的預報問題，建立了一套完整的預報非定常空泡螺旋槳誘導的船體表面脈動壓力的方法和程序，並在國內首次完成了在減壓拖曳水池中進行空泡螺旋槳誘導的船體表面脈動壓力測試。
  12. Relativel ~ ~ matlab language is more powerful than oilier computing language, especially in computation fluid mechanics, it helps to simply draw charts of vortex, stream function, velocity, pressure, and the amount of work can be extremely reduced, and the program coniplving can also be controlled easily

    得到空化數的分佈以後，進而分析流場內空泡的運動軌跡，最後得到空泡半徑在流場內隨壓力的變化關系曲線，以及在流場內空泡半徑沿壓力最小點的分佈規律。
  13. By using the simulation language open gl and programming environment vc + + 6. 0, the torpedo supercavitation simulation programis developed. with the program, we can study the supercaviting byvaring the value of the shape of the cavitato, the pressure and the mainstream velocity

    應用模擬語言opengl和編程開發環境vc + + 6 . 0 ，初步開發了魚雷超空化模擬程序，本程序可以通過改變空化器形狀、壓力值、水流速度等參數來考察超空泡的形狀。
  14. The better agreement between the calculated value and the measurement result of propeller - induced hull pressure fluctuation proves that the program in this paper can be suitable for engineering application

    經與空泡水洞中螺旋槳模型脈動壓力測試結果比較，表明本文的計算程序可以用於工程實際。
  15. The paper is on how to set up lab platform of vapour spewing to uppercooling water surface to coagulate directly and to observe and analyse which vapour coagulate on the water surface, the results enable people to know the security system of nuclear power. the range of the pressure parameters of prz is from 0. 2mpa to 0. 6mpa, and the range of the initial temperature parameters of cmt is from 23. 5 to 78. 5, all of the testing points are 30 and there are fifty thousand testing data. many results of vapour spewing to uppercooling water surface vertically to coagulate can get. for example : coagulating can make the water of cmt surge forcefully when vapour spews to uppercooling water surface, too many vapour - bubbles come into being and strike the water of cmt owing to rupture continually, all these will strengthen the surge because of the vapour pressure of cmt

    實驗中prz飽和蒸汽壓力變化范圍為: 0 . 2mpa - 0 . 6mpa ， cmt中水初始溫度變化范圍: 23 . 5 - 78 . 5 ，實驗中測試工況30個左右，實驗測試數據50萬余個，得出了很多與非能動安全系統相關的蒸汽垂直噴向過冷水表面凝結時的結論：蒸汽垂直噴入過冷水表面凝結時會造成cmt中液面的強烈波動和振蕩，產生大量蒸汽汽泡，汽泡不斷破裂對cmt中液體帶來很大沖擊，勢必引起cmt中液體的振蕩，造成cmt汽空間汽壓不均勻，加強cmt液體的振蕩和波動。
  16. Considering cavitation and the coupling of solid and fluid, the structure responses caused by combination of underwater explosion and hydrostatic pressure are simulated through modeling shell structure and its outer water

    通過對殼體結構及外部水域進行建模，並考慮流固耦合及空泡因素，模擬出結構受水下爆炸載荷及靜水壓力聯合作用下的響應。
  17. The bubbl n sonic has a special natural aspiration structure that eliminates the need to use a compressor and enables air - water mixing powered only by ordinary water supply pressure

    無需氣泡攪拌壓縮機等設備，靠自來水壓力吸入空氣產生氣泡，是一種天然的吸氣特殊構造。
  18. Based on the cavitation chart it can be seen that the charging air with appropriate parameters on blade surface is efficient and feasible for improving the cavitation performance of propeller blades

    根據翼型在充氣前後的壓力分佈，確定空泡斗的變化，從而可以認定按適當參數提供的二相流對于擴大空泡斗，以改善螺旋槳空泡性能是有益的和可行的。
  19. The main work in this paper includes four parts : the theory research on supercavitat ing axisymmetric bodies, the numerical computations of the pressure and the velocity of the supercavity surface, experimental investigations and computer simulation of supercavitation on axisymmetric bodies

    本文的主要研究工作包括：魚雷超空泡數學模型的理論分析、超空泡表面的壓力和速度數值計算、超空化實驗研究和超空泡可視化模擬四個部分。
  20. The sources are distributed on the bodies and cavity surfaces, a computer program is written to display curves of the pressure coefficient value and velocity value of the supercavity surface

    通過在回轉體表面和空泡表面分佈源匯的方法，建立了求解回轉體超空泡表面壓力系數和速度的計算公式。
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