液滴分佈 的英文怎麼說

中文拼音 [fēn]
液滴分佈 英文
droplet distribution
  • : 名詞(液體) liquid; fluid; juice
  • : Ⅰ動詞(液體一點一點地向下落) drip Ⅱ名詞(一點一點地向下落的液體) drop; droplet Ⅲ量詞(用於滴下的液體的數量) drop
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  1. As the distribution becomes wider they also tend to become skewed with a longer tail towards larger drop sizes.

    變寬時,它們往往變得不對稱,向較大的尺度一端伸延得更長。
  2. As to the simulation, three - dimensional n - s equations and two - phase flow model, in which the liquid toluene spray as discrete particles was considered, were employed to describe the turbulent combustion processes in the combustion chamber. the mass and energy transfer between the two phases were calculated by the droplet evaporation model, and the arrehnius model was used to obtain the gas chemical reaction rate. the details of 3d flow field, the distributions of temperature and compounds were obtained by solving the equations

    數值模擬方面,應用三維湍流n - s方程以及顆粒軌道模型描述了激光器燃燒室內部的噴霧兩相燃燒流動過程,兩相之間的質量、能量交換由蒸發模型計算,氣相化學反應速率由arrhnius公式計算,通過耦合求解氣兩相模型方程,模擬了燃燒室三維流場,得到了燃燒室內的溫度和組濃度
  3. The pilot fuel model has been given to calculate the distribution of the liquid fuel and time of fuel pre - combustion, at the same time, analyzing the important action to the combustion of the natural gas in the combustion chamber of engine, determining the best quantity of pilot fuel. the explosive combustion model has been established to compute the pressure of the cylinder during the combustion, determining the main influence factors. the emission model has been established to forecast the co, nox emission

    理論方面,提出了基於化學反應的燃燒模型?多組氣相反應系統的化學反應動力學模型,以此進行雙燃料發動機的熱力學?化學反應動力計算;引燃油燃燒模型,計算引燃油規律和滯燃期,驗證引燃油在雙燃料發動機燃燒過程中的作用,揭示不同噴油規律對雙燃料發動機的影響,確定在不同負荷下的合理引燃油量;爆震模型,揭示爆震與工質能量釋放間的關系和影響爆震的各種運轉因素,確定合理的爆震依據,減小爆震傾向。
  4. A study on radial liquid distribution in trickle bed using visual image techniques

    可視化圖象法評價流床
  5. The experimental results show that, with the increase of three parameters the diameters of the droplets will all decrease

    試驗結果表明:隨著體壓力、體流量及靜電電壓的增加,噴霧霧粒徑都變小且都會更均勻。
  6. By means of a detailed analysis to the interaction between droplet and its carrying fluid for horizontal stratified / atomization two - phase flow, a theoretical model is proposed to calculate the droplet axial velocity profile and the relative slip between dispersed phase and continuous phase

    摘要通過對水平層霧化流中和其攜帶流體間交互作用的析,提出了一個預則水平層霧化流中軸向速度以及彌散相和連續相之間相對滑移的理論模型,通過計算獲得了兩相速度參數及相對滑移參數。
  7. A distribution function of droplet volume was derived using the information entropy

    採用最大熵原理,推導出噴霧場體積函數。
  8. The mainly objective includes two parts : one is to develop the mathematical m odel t o study t he flow m echanism o f 1 iquid i n t he b ed of tbr, and the other is to study the technology and device to distribute the liquid uniformly. in the first part, some theoretical models were established to simulate the distribution of flow rate of liquid, such as discrete model, differential calculus model and stochastic model. but these models are difficult to calculate or ca n ' t lead to good results

    在理論模型方面,前人提出了離散模型、微模型和隨機模型等來模擬體的徑向和軸向流率,但仍然存在許多問題,往往計算工作量大且常偏離實際情況,本文作者在導師的指導下,參照前人的研究成果,在流床的流率中採用了狀態離散、時間離散的markov過程描述了流床的流率,結果與實驗值吻合較好。
  9. 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,則可將床內體的流動視為從一個初始開始,經過m步( m = z z , z為床層高度)轉移的狀態離散、流床流率的模擬與整流時間離散的markov過程。
  10. The random mathematical model is described using equivalent markov equations. the time and state parameters are discrete. based on the model, the flow rate distributions along radial and average at any height can be calculated directly, moreover, the probability transition matrix of the flow can be determined via the statistic character of the random cumulate particles, and be corrected by s. cd the random theoretical model shown in fig. l, the section of the bed of tbr is divided into a series of concentric circles

    一、在常溫和常壓下進行流床反應器流率的研究,以狀態離散、時間離散的齊次markov過程描述了流床在流區的流率,建立了流床在流區流率的隨機模型,根據此模型可以: 1 、可直接確定任一高度下的體徑向流率及平衡流率; 2 、體流動的概率轉移矩陣可由隨機堆積顆粒的統計特性確定,以參數s修正。
  11. The different ratio and dosage of composite surfactants were researched about the polymer latex ' s stabilization and structure. afterwards, the emulsion polymerization of tris, mma, and p ( mma - co - ptris ) were carried out. some different monomer ratio copolymer latex and homopolymer latex are prepared by emulsion polymerization used self - made organosilicone monomer - [ tris ( trimethylsiloxy ) silyl ] propylmethacrylate and mma

    用ir , tem , dma ,水接觸角測試等方法表徵所制備的均聚物和共聚物膜發現:採用有機硅表面活性劑與十二烷基硫酸鈉復配使用,用量在6 8 (相對單體量)可得到粒徑均勻且穩定的均聚和共聚乳
  12. Abstract : a continuity wave model is put forward for the dispersion processof liquid - liquid two - phase system, by coupling mass and momentum conservation equations of two - fluid model. the conditions that result in a dispersion choke and the weak instability of a dispersion process are derived from the model. the phenomena of catastrophic inversion and transitional inversion are explained. the effect of drop size distribution on the maximum volume concentration of a emulsion is predicted using the model. according to the theory herein, emulsion inversion is the regime transition of liquid - liquid system due to the instablity of a dispersion process. the effect of drop size distribution on the maximum volume concentration of a liquid - liquid emulsion only occurs in a certain range of weber numbers

    文摘:以雙流體模型為基礎,通過質量守恆方程和動量守恆方程的耦合,提出了-兩相系中彌散傳質的連續波模型.由該模型得到彌散傳質過程阻塞和彌散傳質過程弱不穩定性產生的條件,計算了尺寸及其對乳化極大堆砌數的影響,解釋了劇變型乳化逆變和漸變型乳化逆變現象.研究結果表明,乳化逆變是由於彌散傳質過程的不穩定性而引起的懸浮體型態的改變,隨尺寸多散性的增大,極大堆砌數增大;隨平均尺寸的增大,多散性對極大堆砌數的影響減弱;當韋伯數足夠大時,尺寸及其對乳化極大堆砌數無影響
  13. The numerical simulation is carried out and the sauter mean diameter and the axial and radial size distribution of droplet of round jets and annular jets were obtained. numerical results are in good agreement with experimental data

    針對hy911圓柱形射流和環形射流,計算出霧化sauter平均直徑以及軸向和徑向尺寸,計算結果與實驗數據吻合較好。
  14. Calculated the aggregation frequency for the crown - shaped liquid droplets on condersor at > 90 in light of the properties of liquid droplets distribution function, and the detailed balance equation is derived for liquid - vapour phase transition

    摘要根據冷凝壁面液滴分佈函數的概念和性質,計算了> 90時冷凝壁面球冠形的融並頻率;導出純氣相變下冷凝壁面的細致平衡方程。
  15. 4, the formation mechanism of the n - sic particles in the ceramic coating prepared by the nano - micrometer n - sic / al2o3 composite powder located within m - al2o3 grains is revealed : m - al2o3 would be well melted during spraying and form droplet, the n - sic particles existing on the surface of droplet, then the particle enter the droplet when it is impacted and flattened on the substrate

    4 、提出了利用納米一微米n - sic al _ 2o _ 3包覆復合粉末所制的陶瓷塗層中n - sic粒子於m - al _ 2o _ 3晶內的機理:在噴塗過程中微米級al _ 2o _ 3完全熔化形成, n - sic粒子存於表面,在撞擊基材平鋪過程中n - sic粒子進入內部形成。
  16. The axial droplet velocity profile is nearly linear across the pipe section, and is different from the axial gas velocity profile

    速度與氣相速度不同,在垂直方向上的軸向速度近乎呈線性
  17. This thesis presents basic researches on spraying and atomization process of the liquid propellant - key issue of regenerative liquid propellant gun interior ballistic process. the distributing properties of droplet sizes in atomization field of liquid propellant hy911 were experimentally, theoretically and numerically investigated

    本文以再生式體發射藥火炮( rlpg )為工程背景,圍繞rlpg內彈道循環的關鍵問題?體藥噴射及霧化過程開展基礎研究,針對國產hy911體發射藥,系統地進行了噴霧場尺寸的測試、理論建模與數值模擬。
  18. ( 2 ) base on the analysis of the atomizing principles of spray nozzle, mathematical model of combined spin - flow pressure spray drying was set up and the essential parameters such as spraying pressure, liquid quantity, temperature, spraying angle, inject distance, particle diameter and distribution, hollow diameter for several materials in normal conditions by experiment and ldv

    ( 2 )對旋流式組合壓力噴嘴噴射霧化機理加以析,建立了旋流式噴嘴霧化的數學模型,採用冷態試驗法並藉助激光霧測試等實驗裝置對噴嘴的霧化參數(如霧化壓力、噴量、料溫度、霧化角、霧距、霧直徑和以及噴嘴的空芯半徑等)進行測量和計算。
  19. Each side drop solution 2 - 3 dripping, immediately grabbed both sides of the nose, the first move under the falls, so distribution solution nasal ministries

    每側入藥2 - 3,立即捏住兩側鼻孔,頭向前下低垂,使藥鼻腔各部。
  20. ( 4 ) the droplets diameter of the combined spin - flow pressure spray drying are between 30um and 150um and the ranges of the droplets are narrow. the average diameter of the droplets is between 50 um and 100 um and the spraying angle can be adjusted from 30 to 180

    ( 4 )採用旋流式組合壓力噴嘴霧化后的直徑大都在30 150um之間,霧范圍較窄,其霧化的平均直徑在50 100um左右,壓力噴嘴的霧化角度可在150 180范圍內。
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