測氣泡計 的英文怎麼說
中文拼音 [cèqìpāojì]
測氣泡計
英文
pompholygometer- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 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...
- 氣泡 : air bubble; bubble; bubble cell; pin hole
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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。The special area of foam was detected for the compound tray of 20 % free area by ccd camera and computer identification technology of gas and liquid two phase flow in column. with the rectangular plexiglass tower in 200mm x 300mm, and it ' s correlation was obtained. this experiment offered data of special area for establishing mass transfer model of foam
在200mmx300nun的有機玻璃方塔內,以空氣水為介質,採用ccd拍攝技術和塔內氣液兩相流計算辨識技術,測定了開孔率為20的復合塔板上泡沫層的氣液接觸比表面積,並建立了關聯式。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「高速氣泡船減阻試驗及理論研究」的目的在於研究高速氣泡船噴氣裝置的關鍵技術及其相關問題,並從理論上預測噴氣氣泡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。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。If the bulb of a gas thermometer is placed in successively colder environments, it records successively lower pressures.
如果把氣體溫度計測溫泡逐一放進漸漸變冷的各個環境中去,它所記錄的壓強值也就遞減。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。Thus the areas of the overlapping regions are compensated efficiently and the accuracy of measurement is highly improved. the volume of the bubbles can be estimated on the bubbles " area information, and a genetic algorithm ( ga ) based method is used to match and track bubbles in the image sequences, which solve tracking problem under complex conditions efficiently, such as some bubbles may have kinetic occlusion and crossover, some newly generated bubbles may entered into flow field and run away. a smooth kinetic locus is obtained by fitting the discrete centroids with a cubic spline function and at the same time the visual measurement is realized
根據氣泡在圖像平面中的面積估計氣泡的體積,並對流場中的所有氣泡採用遺傳演算法進行最佳的匹配跟蹤,有效地解決了氣泡群在流場中出現如遮擋、交又、新它『出現、逃逸等復雜情況下的準確跟蹤,並採用三次樣條插值方法對離散的質心點軌跡進行擬合,得到氣泡在流場中平滑的運動軌跡,從而實現了摻氣水流特性的可視化測童。Based on simulation results which were satisfied, the effect of bubble diameter on entrainment concentration forcast result was analyzed. the bubble moving rule was found which includs the bubble is escaping upwards along the way, the diameter of the bubble is bigger, the velocity upwards is larger and the bladder remaining near channel bottom is smaller. to make best use of the function of the aerator, the demands of enough air entrainment quantity and suitable air bubble diameter are needed to be satisfied
根據計算結果,對水氣兩相流中氣泡尺寸對摻氣濃度預測結果的影響進行了分析,得到沿程氣泡不斷上逸,氣泡粒徑越大,其上逸速度越大,則留在渠底附近的氣泡越少的氣泡運動規律,提出了摻氣槽的設計,除滿足摻氣量外還應滿足摻氣粒徑要求的工程建議。Analysis of tobacco and tobacco products ; determination of flow rates of gas using the soap film bubble flowmeter
煙草和煙草製品的分析.用皂膜泡流量計測量煙氣的流量Standard test method for open - cell content of rigid cellular plastics by the air pycnometer
用空氣比重計測量硬質泡沫塑料的開孔氣穴含量的標準試驗方法The design of structure of ultrasonic transducer and circuit for signal disposing can realize dual air bubbles monitoring function
設計了超聲波換能器的結構和信號處理電路,能夠實現二重氣泡監測功能。A set of experimental system was designed to in measure water - gas two - phase flow and influence factors in bubble image analysis was discussed
作者與他人合作設計構建了一套水氣兩相流圖像測量實驗系統,詳細分析了氣泡圖像實驗的各種影響因素,為后續研究提供了前提條件。In this article, a transparent dmfc was designed and the experimental system was set up. with the aid of visualization technology, the two - phase flow with chemical reactions in the anode channels and the effect of the co2 bubble on the cell performance were studied under normal and microgravity environment
本文設計了透明的直接甲醇燃料電池,建立了燃料電池測試系統,並分別在常重力和微重力環境下利用可視化技術對直接甲醇燃料電池陽極兩相流動以及流道內co2氣泡對電池性能的影響進行了研究。分享友人