水流氣泡 的英文怎麼說
中文拼音 [shuǐliúqìpāo]
水流氣泡
英文
stream nucleus- 水 : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 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...
- 水流 : 1. (江河) rivers; streams; waters2. (流動的水) current; water flow; fluent; flow; [水文] stream current
- 氣泡 : air bubble; bubble; bubble cell; pin hole
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Image edge detection method for ert system of gas - liquid two - phase flow
水平井筒氣液兩相分散泡狀流流動模型Gas - assist injection molding systems, gas booster systems, nitrogen gas generators ( psa ), supercritical fluid foaming systems, water - assist injection molding systems
氣體輔助成型系統、氣體增壓機、氮氣製造機、超臨界流體發泡及應用系統、水輔助成型系統。According to separating touch of fluid potential field in f, y oil layer, eight oil or gas accumulation systems are divided in f, y oil layer, they are daqing - zhaoyuan oil or gas accumulation system, longhupao - taikang oil or gas accumulation system, heiyupao - yian oil or gas accumulation system, haerbin - shuangcheng oil or gas accumulation system, zhaodong - mingshui oil or gas accumulation system and hailun oil or gas accumulation system
根據扶、楊油層流體勢場分隔槽,將松遼盆地北部扶、楊油層劃分出八個含油氣系統,即即大慶?肇源含油氣系統、龍虎泡?太康含油氣系統、英臺?大安含油氣系統、朝陽溝?肇東含油氣系統、齊齊哈爾?依安含油氣系統、肇東?明水含油氣系統、哈爾濱?雙城含油氣系統、海倫含油氣系統。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。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。Established 20 years ago, the chu - lung resort was wulai s first dedicated hot springs hotel. the men s pool faces an uninhabited hillside and the yenti reservoir, while the women s pool is located on the side of the ravine. it features hot, medium and cold baths, with water massage sections and baths scented with tea, lemon and other fragrances
半露天的男性養生池,面對一片無人的山林,還有堰堤水庫澎湃雄壯的瀑布水流而半露天的仕女池則在南勢溪洪荒峽邊,擁有冷中高溫三種不同溫度的溫泉池,還有具按摩放鬆作用的水流區氣泡區,和茶浴檸檬浴等不同味道湯池。Mushy pvc ( dop + additives ) - beater ( stir well ) - vacuuming ( materiel has been completely dewatered and debubbled after vacuuming ) or mix with color paste which has been processed by ball mill and then dropped into mould cavity by needle cylinder ) - solidified in the constant temperature box ( color fixing ) - input basic material - sent to the constant temperature box in the flowing way and then forming and then forming and sent out automatically - cooled by fan - finished products
糊狀pvc (增塑劑dop +助劑- - -打漿機攪拌均勻- - -抽真空處理) (真空機處理后的物料已完全脫離水分和氣泡)或球磨機處理后的色漿混合後用針筒滴入模具形腔- - -放入恆溫箱中固化(色彩定形) - - -注入底料- - -流水式送入恆溫機,定型后自動送出- - -風扇冷卻- - -成品As the moving particle in the turbulence boundary layer, the resistance on microbubble from water may be fallen inside the scope of the stokes law
作為湍流邊界層中運動的粒子,微氣泡受到水的阻力可能會在stokes阻力范圍內。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。As a result of the heterogeneous distribution of bubbles in the horizontal air - water bubbly flow, the wall shear stress was different along the circumference of tube
摘要水平管泡狀流時氣泡主要集中在管道的上部,在管下部只有少量的氣泡。Compared with dc - mhd propulsion, ac mode has no electrode and does n ' t apply electric field to fluid directly. thus it avoids the detriment and noise caused by the air bubble generated by electrolysis, and makes the ship more quietly. these characters will help to develop a more efficient ship thruster
與直流磁流體推進相比,交流磁流體推進方式的最大特點就是沒有電極,因此沒有電極壽命問題,消除了電極表面壓降對推進器效率的影響,也沒有電機表面電化學過程產生的不良效應,如氣泡、電解質對海水的污染等。Because the bubbles and water are both colorless and transparent in aerated water flows, the contrast of the captured images is low, and uneven illumination exists. two bubbles extraction methods are proposed to eliminate the un - balance of illumination and higher accuracy bubble extraction is obtained
由於摻氣水流中的氣泡的和水都是無色透明的,這使得拍攝到的氣泡圖像存在對比度低,並且存在光照不均的影響,為了解決光照對分割結果的影響,達到高精度提取氣泡的目的,本文提出了兩種圖像分割方法。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。During its migration towards the surface in the forms of microbubble, water power, diffusion and filtration, the effects and styles of hydrocarbon are closely related to such geological factors as the cover of the oil and gas accumulation, fault and fissure system, nature of fluids in the reservoir and pressure of the strata
摘要烴類以微泡、水動力、擴散和滲透方式向地表遷移過程中,其效能、方式與油氣藏的蓋層、斷裂與裂隙系統、儲層的流體性質、地層壓力等地質因素密切相關。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。The experimental results show that the method is effective to identify the flow patterns of bubbly, plug, stratified, wavy, slug and annular in a horizontal pipe. the identification accuracy is shown as follows : bubbly flow is 93. 3 %, plug flow is 85. 3 %, stratified or wavy flow is 97. 3 %, slug flow is 98. 6 %, and annular flow is 92. 7 %. an estimation of the process time is 22 frame / s
實驗結果表明,該方法能自動有效地識別水平管道內的氣泡流、塞狀流、層狀流、波狀流、彈狀流和霧環狀流等基本流型;識別準確率如下:氣泡流為93 . 3 ,塞狀流為85 . 3 ,分層流為97 . 3 ,彈狀流為98 . 6 ,霧環狀流為92 . 7 ;識別圖像速度約為22幀秒,適合於在線實時識別兩相流流型。For the first time, author proposed a quantitative method of evaluate bubble image, and obtained optimal water - gas two - phase image illumination scheme through comparative experiment
首次提出了氣泡圖像的評價量化方法,並通過對比實驗,得到了最佳的水氣兩相流照明方案。Powerful jets of air from it s unique comfortable mat generates millions of refreshing bubbles for a soothing and relaxing sensation compact and lightweight easy to use remote control with timer functions for your convenience and comfort
馬力強勁,強力的按摩水流,每分鐘產生200萬個以上的含氧超音波氣泡,按摩拍打您的全身,並將含氧氣泡送入身上的每個毛細孔,使您肌膚保濕而光滑細致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。分享友人