層狀流動 的英文怎麼說
中文拼音 [céngzhuàngliúdòng]
層狀流動
英文
stratified flow- 層 : i 量詞1 (用於重疊、積累的東西 如樓層、階層、地層) storey; tier; stratum 2 (用於可以分項分步的...
- 狀 : Ⅰ名詞1 (形狀) form; shape 2 (情況) state; condition; situation; circumstances 3 (陳述事件或...
- 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...
- 層狀 : banding
- 流動 : 1. (液體或氣體移動) flow; run; circulate 2. (經常變換位置) going from place to place; on the move; mobile
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The studies of plane heterogeneity are as follows : the text counts the parameters of the sandlayers " geometric shape of different sedimentous microfacies ; speculates the conditions of lateral communication by sandstone density according to the method brought forward by j. r. l. allen ; gets a group of parameters including the reservoir thickness, porosity and coefficient of permeability by using kriging method according to the data of logging results ; makes certain the direction of coefficient of permeability with variation function by modeling globosity function ; divides the sandlayers into five types by using the method of flowing cell based on three parameters, that is x h, kxh and h / h, and accounts the favorable region. on the base of above - mentioned studies, the text evaluates the heterogeneity of sandlayers and gives the resolutions to these problems to serve the development of the field
Allen )等人提出的統計方法,用垂向上砂體密度的界限來推測砂體側向連通情況;根據每口井的測井解釋資料,利用克里金插值法對外間進行插值,得到了一組反映儲層特徵在平面上變化的參數,包括儲層厚度分佈、孔隙度以及滲透率,並且成圖;利用變差函數法,通過球狀函數模擬,確定儲層優勢滲透率方向:根據流動單元法,以儲能系數、容積系數以及凈毛厚度比三個參數為依據,通過聚類分析方法進行流動單元劃分,並且按照參數特徵將其分為五類,統計各砂層有利流動單元區塊。The module was divided into sub - channels, and the hydrodynamics in each channel was just the function of the local cell packing fraction. based on the theoretical probability density distribution functio
在裝填密度較小的時候,紊流傾向十分明顯;當裝填密度較大的時候,殼程的流動狀況與層流相對比較接近。According to their space position, the seismic features of shallow gas in this region can be divided into three groups : ( 1 ) features in the stratum : acoustic blanket, acoustic curtains, acoustic turbidity, irregular strong top reflection boundary, and phase pull - down in both flanks ; ( 2 ) features of the seabed : seabed pockmark and giant sunken pit ; ( 3 ) features in the seawater column : acoustic plumes, cloudy turbidity and point - line - type reflection
該區的淺層氣地震特徵按空間位置分為3大類: ( 1 )地層中的特徵:聲學空白、聲學幕、聲學擾動、不規則強反射頂界面、兩側相位下拉; ( 2 )海底面的特徵:海底麻坑、大型塌陷坑; ( 3 )海水層中的特徵:聲學羽流、雲狀擾動、點劃線反射。Where air bubbling up through fine powder creates channels that resemble drainage networks. this process of deepening and enlarging rivulets mimics the formation of streambeds on earth and mars
在網狀河流景觀中,流體動力學發揮了作用:空氣穿透細沙層向上冒出,造成類似河川的網狀流域。But black upward mobility consists largely of people from poor families moving up
但是黑人在社會階層上的向上流動大多都限於擺脫貧困的狀態。The flow characteristics, distributions of current density and chemical components, and the performance of these two different designs are calculated and compared. the flow and mass transport characteristics are analyzed in detail, which indicate that strong forced convection is produced in the interdigitated flow field, which consist of dead - end gas channel that force the gases through the porous electrodes. results of comparison show that forced convection induced by the interdigitated flow field in the diffusion layer effectively enhances mass transport of reactants and products, thus leading to a higher cell performance and the limiting current density
在傳統流道設計的pemfc中,反應物從流道到催化層的供應和生成物從催化層到流道的排出主要是以擴散為主,而在交叉梳狀流道設計中,以流動帶動的對流傳遞則占據了主導地位,而且這種以對流為主的傳遞機理大大提高了反應物和產物傳遞速率,從而有效地改善了電池的極限電流密度和極化性能等特性。( 2 ) irrigating with less water, only when the quantity of irrigating water in a puddle is more than 4000m1, it can spread into 20cm depth where the crop roots are gathered. otherwise, it is hard for the crops to absorb the irrigating water, and the irrigating water is wasting. ( 3 ) the vertical distribution state of n. p. k. is that, n. moves with the irrigating water fast and most of n. gathers in the soil of 30 - 40cm depth ; the moving rules of p. and k. are similar
( 3 ) n 、 p 、 k元素在土壤中的垂直分佈狀況為: n素隨滴灌水在土壤中的流動性較強,在30 ? 40cm土層集聚量較大; p素和k素在土壤中運移規律基本相似,都以土表集聚為主,到30 ? 40cm土層, k ~ +含量就接近對照,這說明土表滴灌施鉀肥實際意義不大。Bufurcation and chaos in a parallel plate - type structure under flowing pressure
流動壓力作用下板狀疊層結構的分岔與混沌This paper analyzed the mechanism that gas and liquid flow through the holes according to the fluid characteristics of the compound tray, and put forward that there are three states of liquid flowing, gas flowing and blocked for the holes because of the foam fluctuating on the tray while the compound tray operates
本文根據復合塔板的氣液流動特點,分析了氣液穿孔流動的機理。根據前人的研究結果,提出復合塔板在操作時,由於泡沫層的波動,其篩孔存在通氣、通液和阻塞三種狀態。The income distribution effect of fdi through outward trade channel should n ' t be ignored too. it has different behaviors for the whole country and various areas. within the whole country, through attraction to the labor flow, the effects of fdi on skilled and non - skilled labors is different, and thus having different income distributional effects on labors in various levels
外商直接投資通過貿易渠道的收入分配效應同樣不可忽視,這在全國與各地區的表現不同,在全國范圍內,外商直接投資通過吸引勞動力要素流動,對技術和非技術勞動力就業產生了不同的作用,從而影響到不同層次勞動力之間的收入分配狀況。Treating the soil as a two - phase mixture and considering the interactive influence of seepage and solid deformation, this paper analyzes the dynamic impedance of group piles in layered saturated porous media by indirect boundary element method and investigates the effects of pore fluid in saturated soils on dynamic impedance of piles
摘要將飽水軟土地基視為兩相介質,考慮水的滲流和土骨架變形的耦合作用,用間接邊界元法分析層狀飽水軟土地基中橫向受荷群樁動力阻抗,探討飽和土中孔隙流體對飽和土中橫向受荷群樁動力阻抗的影響。Supposed that the fluid in all the fields will accomplish a transport in down - flow distance a z, the flow in trickle - bed is a m step markov process, where m = z / z ( z - the height of trickle - bed ). according to the theory of random process, the statistic of the markov process will be calculated out from the original distribution and state - transport matrix
假定液體從床層上端面向下流過z距離后,處于各區的流體就實現了一步轉移,則可將床內液體的流動視為從一個初始分佈開始,經過m步( m = z z , z為床層高度)轉移的狀態離散、滴流床流率分佈的模擬與整流時間離散的markov過程。The last part of the thesis, we test the model by using a second - branch " s data and provide the comprehensive assessment on the commercial bank, it gives an actual example to tell you how to use the system. one point that deserves mentioning is that some of the indexes need further research and amendment in the practice and the shortage of the system
在對理論回顧和現狀調查分析的基礎上提出某商業銀行二級分行競爭力評價指標體系構建的思路、框架、層次、指標及權重設置,根據銀行經營的「三性」原則,制訂相應反映流動能力、安全能力、盈利能力、發展能力和其它共五方面能力的指標。And such zones act as an important dynamic condition for low - level water transfer and also a favorable environmental condition for " seeding - water supply ". there stronger echoes are detected, meaning that bubble convection develops in the precipitating fields of the clouds that are homogeneous in the main, causing centers of > 10 mm / hr surface rainfall to occur and migrate
這些不穩定區是低層水汽輸送摘要重要的動力條件,也是「播撒一供應」機制發生的有利的濕熱力環境條件,雲系較強降水回波在這里得到發展,使整體均勻的冷鋒層狀雲系降水場有較強回波帶和對流泡發展,帶來地面有> 10mmlh較強降雨中心產生和移動。The result shows that the heat transfer coefficient within the hollow fiber module with laminar flow can be calculated based on the correlation. by analyzing the equation, it was founded that the heat transfer coefficient under laminar flow is almost independent of the feed flow rate. numerical simulation of temperature distribution in hollow fiber membrane module with laminar flow was carried out
首先採用純水為研究體系,研究分析了中空纖維管內的傳熱系數,研究表明,纖維管內的流動屬于層流狀態,其邊界層傳熱系數可用關聯式來計算,由此式看出,層流狀態下,流速對傳熱系數的影響很小。It is validated that the numerical methods can absolutely predict the flow in the microchannels. the flow field around the roughness and the pressure drop of midline along flow direction are analyzed. it ' s found that the range of the pressure drop change relate to the magnitude of relative roughness, the distance between two parallel planes, the re number and ratio of the size of roughness and the distance between two roughness
通過對粗糙元周圍流場和充分發展段中心線壓力曲線的分析,發現有粗糙元存在的兩平行平板間微通道,其充分發展段壓降大於光滑平板充分發展段壓降;當相對粗糙度和re不變時,隨著板間距的減小,粗糙度對主流的影響不斷增大;當板間距和相對粗糙度不變時,在層流狀態下,粗糙度對流動的影響不隨re的變化而變化;當板間距和re保持不變時,相對粗糙度越大,其對流動的影響就越大。By analyzing flow status of fluid in aerating pipeline, giving up hydraulics and utilizing hydromechanics and advance numerical calculations, the prediction method to solve optimizations height on flow status in aerating pipeline is studied and put forward, which provides a scientific theory base to realize effective drag reduction and economic principle in blend phase transportation for pipeline design
摘要通過分析摻入少量高粘流體形成分層紊流層流的流動狀態,拋棄傳統的水力學研究方法,應用流體力學原理、高級程序設計語言和先進的數值計算技術研究了摻入少量高粘流體分層紊流層流減阻規律,為實現管道混相輸送時高效減阻和經濟節約的設計提供理論依據。Flow of block avalanche soils is caused by the resistance reduction due to pore water pressure. the supernormal pore water pressure between the block avalanche soils and underlay reduces the weight of block avalanche soils as well as the resistance between the block avalanche soils and underlay
塊狀崩塌土快速加載使其與下墊層之間出現超載孔隙水壓力,且不能及時消散,減小了塊體的有效重量,達到了減阻作用,其流動化機理為壓差減阻。This dissertation has on the research and design of a micro turbine engine as background and it is for the purpose of comprehending viscous flow behaviors in micro scaled conditions and that in the mini - turbine cascades. a mini wind tunnel is designed and set up which also can be used in other micro flow experiments. on the basis of this mini wind tunnel, three mini flow experiments, including micro jet experiment, micro boundary layer experiment and mini - turbine cascades experiment, have been carried out
本文以某型微型渦輪噴氣發動機研製為背景,以認識微尺度下粘性流體流動狀態及其機理和微渦輪葉柵通道內部流動特性為目的,設計並搭建了除本實驗外還可供其他流體力學實驗使用的微型風洞,並在該微型風洞基礎上進行了微尺度射流實驗、微尺度壁面邊界層實驗和微尺度渦輪葉柵實驗。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。分享友人