particle flow 中文意思是什麼
particle flow
解釋
粒子流-
Compared with traditional contact flow measurement methods, presents the non - contact flow measurement methods, and emphases the application of laser doppler anemometry ( lda ) and particle image velocimetry ( piv ) to flow field measurement
摘要與傳統接觸式流量測試方法相比較，介紹了非接觸式流量測試方法，重點介紹了激光多普勒技術（ lda ）和粒子圖像測試技術（ piv ）在流場測試中運用的原理。 -
In this paper a kind of cardio - cerebral arterial bifurcation vessel hemodynamic characteristics are studied with the boundary element method, and the blood flowing velocity vector distributions have been calculated. in addition, the flow field distribution and the pressure on the particle surface are also calculated, when there is flow - round particle at the place of bifurcation, the move tendency of the particle is judged, the possible reasons of causing the atherosclerosis, thrombus, angioma are analysed
本文用邊界元方法研究了一類典型心腦動脈分支血管中血液流動的流體動力特性，計算了分支血管血液流動的速度矢量分佈，同時計算了分支附近有多個顆粒狀繞流物時血液的流場分佈，及顆粒物所受壓力狀況，給出了顆粒物的運動趨勢，分析了引起粥樣斑塊病變、血瘤、血栓的可能原因 -
The influence of inflow velocity, the baffle body height and the clapboard position on the flow velocity, flow equilibrium between the two sides of the clapboard, particle distribution, rich / lean concentration ratio and flow resistance characteristic are studied numerically
文章研究了來流速度，撞擊塊高度、隔板位置等因素對氣相速度場、隔板兩側配風均勻性、顆粒濃度、濃淡分離比和燃燒器內阻力特性的影響。 -
The particle is displaced in a flow domain.
這質點在流動區域內運動。 -
Coarse particle flow behavior in draft tube of spouted bed
噴動床導向管內粗顆粒的動特性 -
Investigation to gas - particle two - phase flow in cfb using ptv technology
技術研究循環流化床內氣固兩相流動 -
Particle dispersion due to gravity in gas - particle turbulent flow
氣粒湍流流動中考慮重力時顆粒的擴散 -
On the basis of the previous studies, a systematical study on the test and analysis of the atomization model is made herein based on both the prototype test and model test for jiangya dam, and then the data processing system for the atomized water particle size is developed as well ; which is a new trial carried out for the model law for the intensity of rainfall from atomization of flood - discharging flow
摘要在以往的研究成果基礎上，結合江埡大壩原、模型測試成果，對霧化模型的測試分析技術進行了系統研究，開發了霧化粒度數據處理系統，對泄洪霧化雨強的模型律進行了新的探索。 -
Kzl series air clean filter to enter empty to is it stand to press since, the compressor and air conditioner imprison the wind system, blast furnace air - introduced machine of steel plant, gas turbine, air making oxygen raw materials air compressor filter, strain and contain a large number of dust except that among them, prevent from in dust particle long - time adjustment air current sports, to operated equipment above blade, impeller, flow dish and part lead to the fact the harm
Kzl系列空氣自潔過濾裝置kzl系列空氣自潔過濾裝置是對進入空壓站壓縮機及空調關風系統，鋼鐵廠高爐引風機燃氣輪機制氧原料空壓機的空氣進行過濾，濾除其中含有大量塵埃，避免灰塵粒子在長時間的調整氣流運動中，對以上運行設備的葉片葉輪流道及部件將造成損害。 -
By performing fourier transformation, the relationship between the turbulent intensity of the particle and that of the carrier fluid was obtained which makes clear that particle size, specific gravity, velocity gradient, and the characteristic frequency of energy - containing eddies are four basic influencing parameters. it is proven theoretically that under certain conditions, the stream - wise and transverse particle turbulent intensities exceed those of the carrier fluid. based on the equations of two - phase flow, the presence of fine sediment suspension is shown to attenuate the turbulent intensity of the water
通過對細小顆粒在剪切流場中運動方程的fourier分析，得到了顆粒脈動強度和流體脈動強度之間的定量關系，表明顆粒粒徑、顆粒密度、流速梯度以及紊動場含能旋渦的特徵頻率是影響顆粒脈動強度的主要因素，首次從理論上證明了在一定條件下，顆粒在縱、垂向的脈動強度均會超過相應的流體脈動強度，為已有的實測資料提供了合理的解釋。 -
The research aims at the demonstration and the mend of the design on the new purifier and presents a calculation method for solving the two - phase flow in fluid machine by the finite element method. after analyzing the two - phase flow in the new purifier by means of the continuum model, poisson equation, navier - stokes equation and continuous equation are derived and solved by using the finite element method. the solution on pressure, velocity and particle concentration simulates the departure well between oil and water, which proves the accuracy of the design on the new purifier
本文採用兩相流連續介質模型，由兩相分離流動理論得到控制方程，採用chorin的直接速度-壓力mac法的思路，對新型油水分離裝置內油水兩相流動作了細致的分析，同時首次把科氏慣性力引入兩相流模型中，進行分析和計算，將研究擴展到三維，並用有限元法分別解poisson方程、 n - s方程、連續方程的方法，對流場內壓力場、速度場、濃度場進行了分析和計算，較好地模擬了新型油水分離裝置內油水分離的現象，證明了設計方案的正確性。 -
In addition, the vortex structures of the gas flow field and particle dispersion were studied when the coupling action between the two phases was considered in the case of different mass loading of mediate stokes number particles was provided in the gas - particle plane jet
另外，文中還模擬研究了氣粒兩相平面射流中不同質量攜帶率下中等stokes數顆粒與氣相流場的相間耦合作用下氣相流場的旋渦擬序結構以及顆粒運動擴散規律。 -
According to the experimental data of droplet size 、 particle spectrum range 、 droplet cone shape 、 flow rate 、 cover area and cover area rate which obtained through changing the pressure of power sprayer and the nozzle diameter in greenhouse ， this paper made comparative analysis on atomizing performance in same pressure and different nozzle type between same nozzle type and different pressure. the conclusion is that : the ejection rate and the droplet cone shape change with the variation of pressure and nozzle diameter ， average particle diameter decreases obviously and particle quantity increases obviously with the increase of pressure and decrease of nozzle diameter. these results will lay experimental foundation for precise spraying 、 low pollution and highly effective operation
本文根據溫室內動力噴霧機壓力與噴嘴孔徑的變化影響霧滴大小、粒譜范圍、霧錐形狀、流量、覆蓋面積及覆蓋面積率的試驗數據，對相同壓力下不同噴嘴型號和相同噴嘴型號時壓力不同時的微粒化性能進行對比分析和研究，得到如下結論噴出量與霧錐形狀隨著壓力和噴嘴孔徑大小變化而變化；平均粒徑隨著壓力的增加和噴嘴孔徑的減小而明顯減小；粒數隨著壓力的增加和噴嘴孔徑的減小而明顯增多，為精噴量、低污染、高防效的防除作業奠定了實驗基礎。 -
Leo kadanoff is a theoretical physicist who has done research on chaos theory, superconductivity, phase transitions, fluid flow, the sociology of urban areas, heat transfer in missiles and elementary particle physics, during the last twenty - five years, he has devoted considerable effort to the development of teaching programs for underaduates based upon the use of small computers
本書作者將電動力學、引力理論和規范場論現代物理學中三種最基本的理論，納入一個共同的體系，內容既包括引力理論物理基礎的介紹，同時也提供了描述愛因斯坦廣義相對論所必須的數學基礎，如彎曲時空的幾何等等。 -
The system of piv is constructed suitable for measuring the particle movement and the flow pattern of particle clusters is visualized in the cfb. under the low and high solid flux, this work also study the aggregate properties such as the two - dimensional shapes, velocity and existence time of clusters on several axial / radial positions
對循環流化床冷態實驗臺兩測試段進行了流型和顆粒團可視化研究，分別獲得了較低循環流率下過渡區和在高循環流率下稀相區顆粒團的運動速度，形狀，持續時間及其動態變化情況。 -
Cm series pumps are the centrifugal pumps which are direct - coupled between mini - type electric machine and single stage pump body, adopting the reliable and durable mechanical seals, the centrifugal pumps possess large flow quantity, with certain ability of discharging dirty water and particle
Cm系列單級離心泵是一種高效的家用電泵，由節能電機和離心泵組成，採用高質的特殊的機械密封裝置，重量輕，消耗小，操作簡便，安全可靠。 -
Numerical simulation of three dimensional gas - particle flow in a spiral cyclone
螺旋型旋風分離器兩相流場的數值模擬 -
( 1 ) the cfd model for the pulse combustion spray drying process. the computational fluid dynamics ( cfd ) based on the two - phase flow theory was employed in this paper, which used the standard k - e model and the particle trajectory model to simulate the gas - particle flow in the drying chamber. the momentum, heat and mass transfer regarding both gaseous and particulate phases during the spray drying inside the drying chamber was also revealed
為解決這一難題，本文利用氣體一顆粒兩相流理論和計算流體力學（ cfd ）技術，建立了更符合實際噴霧乾燥過程的數學模型即噴霧乾燥的cfd模型，並進行了脈動燃燒噴霧乾燥過程模擬，其主要內容如下： （ 1 ）建立了脈動燃燒噴霧乾燥的cfd模型該數學模型建立在氣體一顆粒兩相流基礎之上，用標準k -模型預測乾燥室內的氣體湍流運動過程，顆粒軌道模型追蹤乾燥室內顆粒群的運動軌跡，熱質傳遞模型描述空氣和液滴的熱質傳遞過程。 -
Based on the theory of particle flow, particle flow code ( pfc ) model of sand and clay were constituted respectively by adopting the different particle contact constitutive relationships
摘要本文基於顆粒流理論，引入不同的顆粒接觸連接本構模型，分別建立了砂土和粘性土的顆粒流模型。 -
Fabrication methods are categorized into three classes according to the consolidation mechanisms of the ceramic suspensions by fluid removal, physical or chemical gelation and particle flow
按照陶瓷裝料固結方式的不同對其進行了分類，分別為通過液體排除、物理或化學膠凝及顆粒流動進行陶瓷裝料固結的無模成形技術。
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