流態化顆粒 的英文怎麼說
中文拼音 [liútàihuàkēlì]
流態化顆粒
英文
fluidized particle- 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...
- 態 : 名詞1. (形狀; 狀態) form; condition; appearance 2. [物理學] (物質結構的狀態或階段) state 3. [語言學] (一種語法范疇) voice
- 粒 : 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)
- 顆粒 : 1 (小而圓的東西) pellet; bead; dust; anything small and roundish (as a bean pearl etc )2 (一...
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The hydraulic gradients of settling slurry flow transported in three kinds of moving states, i. e. suspension, saltation, or partially suspension were investigated, based on analyzing the changes of solid particles and water in momentum, velocity and their mass related to momentum exchanging over the acceleration period of the solid particles
從固體顆粒加速期間清水與固體顆粒的速度變化、動量傳遞、相關質量等基本問題分析入手,研究了沉降性漿體在水平管道內流動時其固體顆粒在3種流動狀態下的水力坡度,提出了沉降性漿體在水平管道內流動的機理模型,進而用該模型對一些輸送條件下的沉降性漿體的水力坡度進行了計算。After the ventilator is started, the dust catcher is under negative state and will absorb air with dust in the ductwork to the case on the dust catcher, then the air current will enter into the upper side of filter bag flowing from upper side to lower part ; most of the dust will come out from the filter bag under function of gravity and inertia and then fall into the lower case ( ash hopper ), then the clean air will enter into the air via ventilator
當通風機啟動后,除塵器便處于負壓狀態,並將余風管中的含塵空氣吸入到除塵器上箱體內,然後氣流進入濾袋上口自上而下流動,多數粉塵顆粒在重力和慣性力的作用下穿出濾袋下口,沉降至下箱體內(灰斗) ,被濾的凈化氣體經通風機排入大氣中。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。The wavelet multi - analysis is adopted to further understand the microstructure of solids holdup fluctuation, the vivid fingermark images show that it is a fractal and dissipative structure. the low and frequency signals reflect the dilute phase fluctuation behavior and dense phase ( cluster ) fluctuation behavior, respectively. to deep understand the multi - scales characteristic of gas - solids circulating fluidization, the wp decompose methods for obtaining the eigenvalue of gas - solid fluidized bed has been developed. the results show that eigenvalues of different scales are effective for identification of non - uniform and dynamic structure of gas - solid fluidized bed
小波多分辨分析法得到指紋圖形象地揭示了顆粒濃度脈動的自相似、分叉等具有混沌特徵的微觀結構;小波分解后信號中的低頻和高頻成分分別代表了稀相和密相的脈動行為,小波包分解提取能量特徵值的方法能夠揭示氣固的多尺度特性,不同尺度上的能量特徵值四川大學碩十論文反映了氣固循環流化系統中存在的非均勻動態時空結構。The porous ceramics is composed of lots of bridge arch - shaped microspores that connected and well - distributed inside the material. when the fluid passes through these pores, the suspended matters, colloid particles and big molecular organic substances are withheld or absorbed to the inner surface of the pore, and result in filtration, purification adn even - dispersion, high strength, good resistance to abrasion, high temperature and corrosion, no pollution, long workinglife, and easy to regenerate, the porous ceramics are available for filtration and fluidization of variou gas and liquid
微孔陶瓷過濾介質由許多大小分佈均勻,相互連通的橋拱狀開口氣孔組成.當流體從這些氣孔中通過時,流體中的懸浮物質,膠體顆粒,大分子有機物等被截留,吸附在微孔道內,從而達到了凈化和過濾均勻化的效果.微孔陶瓷強度高,耐磨損,耐高溫,耐腐蝕,無污染,氣孔分佈均勻,使用壽命長且再生簡便,特別適用於各種氣,液過濾和流態化過程Under the low solid flux, the particle velocity in the whole flow field was processed by mqd in the transitional flow regions. the results show that the variation of particle velocity with the time and the influence of particle clusters in the real time. under the high solid flux, in the dilute flow region, the particle velocity is analyzed and discussed with the variation of operating condition
在低循環流率下對過渡區典型流態下顆粒團的不同流態進行了mqd法處理,獲得了整場顆粒運動速度及隨時間變化規律,顆粒團運動對流場內顆粒速度的動態影響;對稀相區在較高固粒流率下對顆粒運動速度進行了變工況分析和討論。The product of this project has applied the latest refrigeration technology to make liquid carbon dioxide into throttling expansion to generate snow - shaped dry ice and then to compress the snow - shaped dry ice into dry ice grains with high density, which can be used for cleaning at various occasions as well as for refrigerated anti - staling
該項目產品利用最新製冷技術,使液態二氧化碳節流膨脹生成雪花狀乾冰,再將雪花狀乾冰壓縮成高密度乾冰顆粒,用於各種不同場合的清洗以及冷藏保鮮等。The crystal pvc was crashed by jet - mill to prepare nanocrystal pvc. the crash, degradation and the change of morphology and crystalline structure changes of pvc was studied by ftir, sem, dsc, tem
用氣流磨對結晶pvc進行粉碎,制備了納米晶pvc ,研究了在高速氣流作用下pvc的破碎降解、顆粒形態和微晶結構變化。The crystal pvc is crashed by jet - mill to prepare nanocrystal pvc. the crash, degradation and the change of morphology and crystalline structure changes of pvc is studied by ftir, sem, dsc, tem. the self - plasticization of nanocrystal pvc is studied, too
用氣流磨對結晶pvc進行粉碎,制備了納米晶pvc ,研究了在高速氣流作用下pvc的破碎降解、顆粒形態和微晶結構變化,研究了納米晶pvc對pvc的增塑作用。Based on an experiment performed on the piston ring - cylinder bore wear tester, liquid - solid lubrication is investigated in this thesis. the wear of the samples under different lubrication conditions ( the solid concentrations are 0 %, 0. 02 % and 0. 1 % by weight ) are discussed. the variations of the surface topography, especially the statistical parameters and functional parameters are studied, and the reasons that cause the variations are analysed
本研究基於活塞環-缸套摩擦磨損臺架實驗研究了液-固二相流體潤滑的問題,探討了潤滑油中不含固體顆粒、含有0 . 02和0 . 1納米顆粒三種潤滑狀態下的磨損情況,並進一步研究了液-固二相流體潤滑狀態下試件表面形貌特性的變化,主要是統計參數和功能參數的變化,並探討了引起變化的原因,為更深入的液-固二相流體潤滑問題的研究以及表面形貌設計提供理論上的參考。Granule which dimension is millimeter only is used generally, the micron can have the ability of enhance, the nami will be exceed, the define of microscope granule measure is all of data which can be scaled and statistic included geometry, pileup, combination, make up, object shape, micro hole. the basic object which is discussed by the article and software is granule dimension ( length, granularity ) and orientation measure
毫米顆粒僅具常規性能和常規用途,微米( 10 ? 0 . 1微米)顆粒具增強功能(力學增強、流態化能力增強、磁力增強等) ,納米( 100 ? 0 . 1納米)顆粒具超常功能(韌性陶瓷? ?摔不碎,超硬銅材? ?硬度提高500 , 750度低熔銅、黑色白金、隱形材料等) 。Visual images and micro - structure of various clusters are also captured using high - speed imaging under the typical operating conditions, which reveals the variability of gas - solid flow pattern under high solid concentration
同時獲得了典型工況下多種流態圖及顆粒團顯微圖片,揭示了循環流化床內氣固流型及其變化規律。In this paper, the two - phase flow behaviors of gas - solid circulating fluidized bed have been first studied by analysing experimental data. then, based on fractal theory wavelet package analysis ( wpa ) de - noising method was used to denoise solids concentration and pressure fluctuation signals. the solids concentration signals have also been investigated by wavelet multi - resolution analysis and wavelet package decompose, contributed to disclose the non - uniform flow structures of gas - solids phase
然後將基於分形理論的小波包消噪方法用於顆粒濃度和壓力波動去噪,並對氣固流化床中的顆粒濃度信號進行了小波多分辨分析和小波包多尺度分解,從新角度揭示了氣固流態化系統的非均勻氣固兩相流動結構。Based on a large amount of experimental data, nonlinear analysis, such as complexity theory, and approximate entropy ( apen ) which is adopted systematically in the fluidization research the first time, are implemented in the time series analysis of pressure fluctuation and particle concentration in gas - solid fluidized beds, and the nonlinear characteristics of fluidized beds are discussed comprehensively
本文在大量實驗數據基礎上,將非線性方法,包括復雜性理論,以及首次被系統引入流態化研究的近似熵,應用到氣固流化床壓力及顆粒濃度脈動時間序列分析中,較為系統地探討了流化床的非線性特徵。With the increase of temperature and biomass, nh4 + and no3 - in the surface water were largely consumed and decreased as a result ; while organic n and particle p increased as the enhancement of suspending biological particles. no2 - in the surface water increased with temperature as nitrifying bacteria became active
隨著氣溫升高和河流表層生物量的增大,表層水nh _ 4 ~ + 、 no _ 3 ~ -因大量消耗而降低;有機氮和顆粒態磷含量因生物顆粒的增加而加大; no _ 2 ~ -也會因硝化細菌活動的加劇而增加。In the experimental data processing, the application of mqd cross - correlation arithmetic is successful in obtaining the properties of particle velocities under different operating conditions
在對循環流化床冷態試驗臺進行piv測試試驗研究中,運用mqd互相關處理演算法獲得了不同工況下顆粒運動速度參數的分佈規律。This thesis is aimed to study the flow field in circulating fluidized bed ( cfb ) holier in cold state based on the system of particle image velocimetry ( piv ), several parts are included : the distribution of particles velocity in cfb boiler including radial velocity and axial velocity of particles ; the average radial and axial concentration distribution of particles in cfb boiler ; the average radial and axial size distribution of particles in cfb boiler
本文採用piv系統對循環流化床鍋爐冷態流場進行了試驗研究,研究的主要內容包括:循環流化床冷態流場粒子的速度分佈特性,包括粒子的徑向速度和軸向速度分佈;循環流化床顆粒的平均濃度沿徑向和軸向分佈特性;循環流化床顆粒平均粒徑的軸向和徑向分佈特性。Meanwhile, because there are a lot of sediments in sewage in the forebay, the bad flow pattern will make sediments depositing freely and the sediment deposition will cause worse flow pattern
同時,由於排污泵站進水水流中含有大量的懸浮固體顆粒,不良的前池流態會使泥沙更容易在前池淤積,而泥沙淤積又進一步加劇了前池流態的惡化。The model is applied to the study of ground states in monodisperse and polydisperse er fluids. the effects of dielectric constants on the structure formation in both systems are studied in a wide range of dielectric contrasts between the particles and the fluids
該模型的有效性和簡單性,使我們能夠計算引入多極矩作用后,在單一分佈和多分佈的er流體體系中,基態結構隨顆粒偶極矩因子的變化。Pressure fluctuation time series in gas - solid fluidized beds contain many dynamic information, such as particle characteristics, operating conditions, bubble behavior. in the paper, nonlinear analysis is adopted and implemented so as to understand the fluidization from a new viewpoint in depth
氣固流化床壓力脈動時間序列包含了床層運動的許多動態行為信息,包括顆粒特性、操作條件,氣泡行為等,文中應用多種非線性方法來對其進行研究,以期能從新的角度來更深入地認識流態化規律。分享友人