顆粒碰撞 的英文怎麼說

中文拼音 [pèngzhuàng]
顆粒碰撞 英文
grain collision
  • : Ⅰ名 (小圓珠形或小碎塊形物) small particles; grain; granule; pellet Ⅱ量詞(用於粒狀物)
  • : 動詞1 (一物體突然接觸另一物體; 撞擊) touch; bump 2 (碰見; 遇到) meet; run into 3 (試探 ) tr...
  • : 動詞1 (猛然碰上) collide; strike; knock; bump against; run into 2 (碰見) bump into; run into;...
  • 顆粒 : 1 (小而圓的東西) pellet; bead; dust; anything small and roundish (as a bean pearl etc )2 (一...
  • 碰撞 : 1 (猛然碰上) collide; run into; knock against; run foul of; crash 2 [物理學] collision; impact;...
  1. Based on the principle of mechano - chemistry, the strong shock and crashing mechanical force produced by ls - 250 pulverizer can act to the surface of superfine carbon and white carbon particles during the process. the result of the experiment indicated that distortion and amorphism change occur to the surface crystal lattice of carbon particles, and the phenomena are prick up as the action time of mechano - chemical force

    依據機械化學原理利用ls一250型流能粉碎機高速旋轉的動齒工作過程中產生的強烈沖擊、機械力,使其作用於超細石墨及白碳黑表面,檢測表明,石墨子表面晶格發生畸變及無定形化,且隨著機械力作用時間的延長而加劇。
  2. By making some assumptions, collision frequency were presented. then the the flocculation kinetics model was established through population balance equation. comparison of experimental data and modeling results indicate that there are the same trend between the two. so the model can predict floes number and size during flocculation of yellow river ' s loess particles without using empirical parameters. the tem and sem were used to obsever floes in the study of floe structure. the flocculation was divided as flocculi, floc and floe aggregate. the floes structure model was established by assumption that particles position in floe accords with tetrahedron. the fractal dimension of model and experimental floes was found to be coincidentso the model can reflect the structure of flocs formed in flocculation of yellow river ' s loess particles by macromolecule flocculant at a certain extent

    最後,本文還對絮凝動力學和絮體結構進行了研究,在前人研究的基礎上,針對高分子絮凝黃河泥沙,對絮凝過程作了一些符合試驗條件的假設,建立了顆粒碰撞頻率表達式,應用了數量平衡方程,從而建立了絮凝過程的動力學生長模型,模型計算結果與試驗數據對比表明,二者趨勢一致,在沒有使用經驗參數的情況下基本上能夠描述黃河泥沙絮凝過程中絮體數量和尺寸分佈的變化過程;對絮體結構的研究中,應用掃描電子顯微鏡和透射電子顯微鏡對絮體進行了觀察,將絮體分為絮、絮團和絮網三個不同的生長階段,通過假設結合位置符西安建築科技大學博士學位論文合正四面體,建立了絮體結構模型,計算得到的模型絮體分形維數基本與試驗中的實際絮體相符,在一定程度上能夠反映高分子絮凝黃河泥沙生成的絮體結構。
  3. On the contrary, beds of large uniformly sized solids often fluidize poorly with bumping, spouting and slugging.

    相反,均勻大床層常常由於、噴射和騰涌而流化不好。
  4. I think that the filth dropout from surface of filter comes from synthetical action of the particles collide and current sheer ad put forward the most efficient outwash style and outwash coefficient in produce technology and it can use as technology f reference in practical application

    認為污物由濾料表面脫落是顆粒碰撞和水流剪切兩者綜合作用的結果。並提出了針對生產工藝最有效的沖洗方式和沖洗參數,可作為實際運行工藝參考。
  5. In the study, the author questions and analyzes why the secondary coagulation has the advantages on the fractal theory and traditional coagulation mechanisms, such as charge neutralization and effective collision of the particle and so on, and combine the theory of quality research and quantity analysis

    本研究對二次凝聚優于常規凝聚的原因從電性中和、的有效等傳統混凝機理及分形理論方面進行了探討和分析,並實現了定性理論研究和定量理論分析的統一。
  6. And vibration function make supplies viscidity and interior frictional force of particle reduce greatly, make the sport tempo of the particle of the supplies increase, has increased the number of times of colliding effectively, accelerate cement particle surface hyrate to speed that liquid phase spread, is it fully go on to mix and stir at micro competence to guarantee

    而振動作用使物料間的粘性和內摩擦力大大減小,使物料的運動速度增大,增加了有效次數,加快了水泥表面水化物向液相擴散的速度,從而保證了拌和在微觀水平上的充分進行。
  7. In the previous direct simulation monte carlo ( dsmc ) method used in the dilute gas - solid flow, particle collision probability was calculated by the equation used for rarefied gas molecules. and gas phase was simulated by the laminar navier - stokes equations

    已有的應用直接模擬蒙特卡羅( dsmc )方法模擬流化床內稀疏氣固兩相流動的研究中,均採用稀薄氣體分子概率的計算方法計算氣固兩相流中概率,採用層流navier - stokes方程模擬氣相流動。
  8. By introducing the diffusion caused by sediment colliding, the diffusion theory is revised, and the equation for sediment concentration distribution is derived from theory analysis

    進而在引入顆粒碰撞擴散的基礎上,對泥沙擴散理論進行修正,從而在理論上得到了挾沙水流泥沙含量分佈規律的公式。
  9. In this paper, to investigate the coagulation process of inorganic suspended particles ( isp ), online monitoring of the coagulation process was conducted by using pda2000. the process of floe formation and the morphological characteristics of floes were investigated in detail through tv - microscope. the mechanism of partical collision and coagulation kinetics were preliminary discussed

    為了考察無機懸浮體系的混凝過程,研究絮凝體的構造特徵,本文通過pda2000對無機懸浮體系的混凝進行光學在線監測,運用電視顯微攝像儀對絮凝體的形成過程及其形態學特性進行了系統的研究,對膠體顆粒碰撞機制及混凝動力學作了初步探討。
  10. Three models are proposed as follows by applying the model of " mixed flow " : the stress of increasing fluid on fouling, collision between solid particles and fouling, and solid particles movement velocity ; the effects of operating parameters, properties of particles, and the volume fraction of particles on stress in solid - liquid two phase flow, collision stress between solid particles and fouling, maximal contacting area between solid particles and fouling and maximal contacting time between solid particles and fouling are investigated systematically by calculating and theoretical analysis

    利用「混流」模型,建立了兩相流體的剪應力模型、固體與垢層的模型和固體的運動速度模型;通過計算和理論分析,系統地考察了操作參數、物性、體積分率等對固液兩相流剪應力、對垢層的力、與垢層的最大接觸時間和最大接觸面積的影響。
  11. The particle collision frequencies and granular temperature as a function of particle concentration were obtained

    得到了顆粒碰撞頻率和溫度隨濃度的變化規律。
  12. The radial distribution function was introduced in order to take into account the effect of the uneven local particle concentration on the particle collision probability

    推導了高濃度氣固兩相流概率的計算公式,引入徑向分佈函數來考慮局部濃度不均勻性對顆粒碰撞概率的影響。
  13. While in the upper region, the turbulent intensities of water exceed those of the particles. light particles possess higher turbulent intensities than the heavy ones of the same size

    頻繁的作用和很大的流速梯度是增強脈動的兩大主要原因,其對輕的影響大於對重的影響。
  14. Discrete particle models can be classified into deterministic method and stochastic method in accounting for the particle collisions

    在離散模型中,根據對過程的處理方法的不同可分為確定性模型和隨機性模型。
  15. Numerical simulation on the gas - solid multiphase flow in new type pulverized coal impact rich / lean burner is presented in it. under the guidance of the theory of computer aid test ( cat ), the dissertation uses particle - particle random impact model and the fluctuating - spectrum - random - trajectory ( fsrt ) model to simulate the gas phase flow and the particle phase flow based on the lagrange approach, compared with experimental results, and reaches satisfied efforts

    在cat計算機輔助試驗理論的指導下,結合實驗研究,本文採用包括脈動頻譜隨機軌道( fsrt )模型、的隨機模型等先進的氣固多相流模型,在高濃度氣固多相流動數值模擬這一前沿研究方面得到了很有價值的結果。
  16. 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,在高濃度下顆粒碰撞對的確定需要考慮高濃度存在的影響,同時在高濃度流化床氣固兩相流動中,需要考慮氣體粘性的作用。
  17. Brownian motion the random motion of microscopic particles due to their continuous bombardment by the much smaller and invisible molecules in the surrounding liquid or gas

    布朗運動:顯微鏡下可見的的隨機運動,是由於在液體或氣體環境下許多小而不可見的分子連續產生的。
  18. We successfully apply the two - fluid model ( tfm ) to the study of two dimensional and three dimensional dense gas - solid flow characteristics. the results show some rules on the particle collisions and gas particle interactive influence of the vertical upward pipe

    在對高濃度氣固兩相流的研究中,成功的運用雙流體模型對兩維和三維垂直立管段進行了研究,揭示了垂直立管內的高濃度氣固流動的顆粒碰撞以及氣相和相的相互影響的一些規律。
  19. Then we apply the approach of direct particle simulation ( dps ) to the simulation of soft sphere model and hard sphere model by innovatively combining the different method of dealing the particle collision algorithm of hard and soft sphere model. we also calculate the different cases with the two approaches

    接著運用相直接模擬思想,大膽地鞣和了國內外學者關于軟、硬模型對顆粒碰撞計算的不同方法,分別用軟、硬模型計算了不同的例子。
  20. The analysis method of failure by particle impact

    顆粒碰撞失效分析
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