turbulence effect 中文意思是什麼

turbulence effect 解釋
亂流效應
  • turbulence : n. 1. (風等的)狂暴;激流(現象)。2. 騷亂,動亂;強橫。3. 【氣象學】亂流。
  • effect : n 1 結果。2 效能,效果,效力,效應,作用,功效;影響。3 感觸,印象;外觀,現象。4 旨趣,意義。5 ...
  1. By comparing the dry plate pressures drop and distributions of velocities simulated on single valve with those of double valves, it was found that there was intense turbulence in the flow fields around fixed - valve, there were eddy areas between valve side orifices and tray wall, there were eddies above the valves too, these led to the complex behaviors of gas perforating valve, these had a great effect on the gas - liquid mass transfer process. at the same time, in order to prevent the disadvantageous effect of gas between one valve with another on the gas - liquid mass transfer, it was very effective to change the fields of gas perforating valve by folding the edges of valve

    通過對數值模擬得出的單閥和雙閥塔板的干板壓降及流場速度分佈分析對比后發現,固定閥周圍流場存在較強的湍動,閥側孔與塔板壁面區域以及閥體的上方空間存在明顯的渦流區,使氣體穿閥后的行為變得復雜,並對氣液傳質過程產生重大影響;模擬結果表明,為防止和削弱固定閥間的對沖造成的「死區」對傳質帶來的不利影響,通過折邊來改變氣體的氣路是非常有效的,模擬值與實驗值基本得到吻合。
  2. Another man-made effect is the generation of mechanical turbulence caused by the nonuniform height of buildings in a city.

    由於城市建築物高度不一致而引起的機械湍流是另一種人為的影響。
  3. The effect of hand massage accompanied moderate frequent electrotherapeutics on small joint functional turbulence of chest vertebra

    中頻電療配合手法治療胸椎小關節紊亂癥
  4. The blade inner channel cooling is a complex convection - conduction coupling problem. this thesis build a three - dimension. compressible turbulence model, and give a general solve method. with the geometrical model of the glossily rectangle straight channel, the rectangle straight channel with in - line arrays disturb plates, the rectangle straight channel with staggered arrays disturb plates, the rectangle straight channel with slant disturb plates, this thesis compute the flow and heat transfer condition when the cold air path though these channels, and gain the temperature field, pressure field, velocity filed, in addition. this thesis also analyze the influence of the different channel height, the different channel materials, the different channels, and gain the function relation between he nusselt number, friction factor and reynolds number. this thesis is emphasis on the new heat transfer enhancement structure, that is, disturb plates, with the comparison with the glossily channel and channel with pin fins, the heat transfer enhancement effect of the former is better, and the conclusion can be used in the design of aircraft blade

    葉片內部通道冷卻是一個復雜的對流?導熱耦合傳熱問題,本文在分析葉片內部通道冷卻的流動與傳熱情況的基礎上,建立了三維、可壓縮紊流的物理模型,得到了通用的求解辦法;利用不帶擾流片的矩形直通道、帶順排擾流片矩形直通道、帶叉排擾流片、帶傾斜擾流片的矩形直通道的幾何模型,計算了冷卻空氣通過這幾種通道時的流動與換熱情況,得到了各種不同情況下計算區域的溫度場、壓力場、速度場;在此基礎上分析了不同的通道高度、不同的葉片通道材質對葉片內部通道冷卻的影響,並整理得到了各種通道形式下,努謝爾數和阻力因子與雷諾數的函數關系;本文重點研究了新型的葉片內部通道冷卻強化傳熱措施?帶擾流片的內部冷卻通道的強化傳熱效果,通過與光滑矩形直通道、帶針肋通道的冷卻效果的比較,表明了這種新型鮚構的優勢,對于葉片內部通道冷卻結構的設計可以起到指導的作用。
  5. Effect of heated wall on extended self - similarity of wall turbulence

    壁面加熱邊界條件對湍流擴展的自相似性的影響
  6. In this paper, the standard three - dimensional k - two - equation turbulence model which modifies the item of buoyant effect and simple algorithm are adopted, wall functions are used to deal with the boundary condition and a simplified method - box method is used to model the supply air boundary condition

    本文數值計算採用經過浮升力項修正的k -兩方程模型和simple演算法,壁面邊界條件採用標準壁面函數,風口邊界條件採用盒子方法。廠房內的氣流運動主要受風口出流動量的制約,因此選擇合理描述入流邊界條件的風口模型對數值模擬至關重要。
  7. In this article, simulations of air distribution in the vav air - conditioned office are carried out in the cases of different air - supplying diffusers including slot diffuser, sqaure grille, bar grille and square diffuser to supply air, the standard three - dimensional k - ? two - equation turbulence model with correctional item of buoyancy effect and simple algorithm are adopted, and wall function method is used to handle boundary conditions

    本文採用經過浮升力項修正的-兩方程模型和simple演算法,應用壁面函數法處理邊界條件,對利用包括條縫風口、方型百葉風口、長條型百葉風口和方型散流器不同型式送風口送風的變風量空調房間內的氣流組織進行了模擬。
  8. This paper introduces that turbulence generating bars installed on the nanping pm3 & pm4 ( 3 150mm ) and their running effect

    摘要介紹南紙(上標# ) 3 、 (上標# ) 43150紙機在烘缸內安裝破水棒的實踐經驗及其運行效果。
  9. This paper studies the diffuser ' s influence on the fadw ' s running properties experimentally including the inner wall and outer wall of diffuser and the backpressure of the diffuser. to prevent the gas of fadw from leaking into the laser cavity because of the effect of layer and turbulence the leak - proof flakes are designed. first the method of the leak - proof flake design is studied and then its influence on the properties of fadw is studied experimentally

    實驗研究了擴壓器對fadw工作性能的影響,提出了擴壓器結構和超音速噴管相對布局參考數據;研究了氣動窗口側壁防漏片的結構對氣動窗口性能的影響,並給出其工程設計方法;同時還研究了擴壓器不同的背壓對整個fadw作性能的影響,據此提出了擴壓器與引射器結合的設計方案,從而為大壓比、高性能的fadw的設計提供了進一步設計參考方法。
  10. The experimental results of the flow characteristics of the mmc heat sink indicate that the critical reynolds number signifying the transition from laminar flow to turbulent flow is in advance ; under the same experimental conditions, the variation in entrance direction of the microchannel inlet and outlet has little effect on the microchannel ; the experimental values of the friction factor of the de - ionized water in a microchannel agree well with those calculated using the theoretical laminar formula ; furthermore, a comparison of the experimental results and simulation results shows that navier - stokes equation and rng - turbulence model can be used to model the laminar and turbulence flow regions in a microchannel ; meanwhile, the correlations of the flow resistance in the turbulent flow regions for the de - ionized water as the working fluids are obtained from experiments

    對歧管式單通道熱沉流動特性的研究結果表明,微通道內流體流態由層流向紊流轉變的臨界雷諾數提前;改變流體的進出口方向對熱沉總壓降造成的影響很小;摩擦系數的實驗值與理論值較接近;數值模擬結果能夠與實驗值較好吻合;並由實驗給出了紊流區流動阻力的實驗關聯式。此外,選用十二烷基硫酸鈉( sodiumdodecylsulphate , sds )以及烷基多糖苷( alkylpolyglycoside , apg )作為減阻添加劑,研究了表面活性劑添加對微通道流動特性的影響。
  11. The effect of mesh - addition on the turbulence spatial structure of drag - reducing flow

    添加篩網對減阻流體湍流空間結構的影響
  12. The anisotropy invariant map was also introduced briefly. the effect of the distance away from the wall and the reynolds number on the turbulence structure in a pipe flow was also analysed

    介紹了湍流不變量圖在圓管湍流研究中的應用,分析了離壁距離和雷諾數對管流湍流結構的影響。
  13. The atmospheric turbulence effect the performance of free - space laser communication, and the atmospheric turbulence almost determined the operation distance of laser communication system

    論文作者討論了大氣擾動對空間激光通信的影響,特別是大氣湍流對空間激光通信的影響。
  14. This paper offers a method that can avoid the incorrect or rough methods mostly accepted now, and this method considers the temperature change along pipeline, the difference of friction loss in turbulence zone and the throttle effect in cross - section of reduced pipe

    針對現有的靜態模擬演算法存在的錯誤和不足,提出了一種更為精確的模擬演算法,該演算法除考慮了管道沿線的溫度變化、處于不同的紊流區摩阻損失的大小不同之外,還考慮了變徑管道在變截面處存在節流效應等問題。
  15. Large eddy simulation of particle wake effect and rans simulation of turbulence modulation in gas - particle flows

    顆粒尾渦增強湍流的大渦模擬以及氣固兩相流中湍流變動的數值模擬
  16. By applying k - e turbulence closure model, which express properly the turbulent mixing effect, the seasonal thermal mixing and stratification were well simulated

    后來應用了?兩方程湍流閉合模式,該模式合理地表達了由湍流產生的混合效應。
  17. Inducement of turbulence and its effect on fire transmission in gas explosion

    湍流的誘導及對瓦斯爆炸火焰傳播的作用
  18. However, the effect of high particle concentration on particle collision should be taken into account in the dense gas - solid two - phase flow. at the same time, gas turbulence should be taken into account in the simulation of gas flow in dense gas - solid two - phase flow

    然而,在高顆粒濃度下顆粒碰撞對的確定需要考慮高顆粒濃度存在的影響,同時在高顆粒濃度流化床氣固兩相流動中,需要考慮氣體粘性的作用。
  19. According to the traditional rytov method, the theory model of modified rytov method is given for plane wave and spherical wave propagation in the atmospheric turbulence, and the characters of optical scintillation for waves propagation along horizontal paths is studied, the inner scale effect is considered, especially. then, the results, calculated by the modified rytov method, is compared with the experiment measurement, it shows that the modified method is suitable in moderate atmospheric turbulence

    本文介紹了光波在湍流大氣中傳播的弱起伏和強起伏理論,從經典弱起伏理論出發,給出了光波在水平傳輸時的修正rytov方法理論模型,分析了在考慮湍流內尺度的影響下平面波和球面波入射時的閃爍特性,在中等湍流區計算結果與最近實驗結果符合得較好。
  20. The turbulence effect of high power laser propagation in the atmosphere

    強激光大氣傳輸時的湍流效應
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