氣流分級機 的英文怎麼說

中文拼音 [qìliúfēnjíjī]
氣流分級機 英文
air classifier
  • 氣 : Ⅰ名詞1 （氣體） gas 2 （空氣） air 3 （氣息） breath 4 （自然界冷熱陰晴等現象） weather 5 （氣味...
  • 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...
  • 分 : 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
  • 級 : Ⅰ名詞1 （等級） level; rank; grade 2 （年級） any of the yearly divisions of a school course; gra...
  • 機 : machineengine
  • 氣流 : 1 [氣象學] air current; airflow; wind current; airstream2 [語言學] breath氣流紡紗 open end spinni...
  1. The gas field in pemfc means the gas distribution in gas source, gas inlet tube ( scale of m ), gas - blower, gas manifold ( scale of cm ), channel ( scale of mm ), diffusion layer ( scale of um ), hydrophobic layer and catalyst layer ( scale of nm ). the aim of changing the scales is to make oxygen reach reaction area as evenly as possible

    Pemfc的氣場指在氣源、進氣管（分米級） 、風機、進氣箱（厘米級） 、流道（毫米級） 、擴散層（微米級） 、疏水層（亞微米級） 、催化層（納米級）中的氣體分佈，每一級尺度的變化是為了氣體的進一步均勻化。
  2. It is discovered that the combustion condition of the second stage pc is up to the outlet temperature of the first stage pc and the content of combustible gases in first stage flue also plays positive effect on the ignition of second stage pc. the effects of parameters of two coal - air mixture, wall temperature of first ignition chamber and annular filling air on imfit are studied experimentally in this thesis. in this thesis, the numerical simulations of ignition and combustion of pc in imfit are conducted

    本文通過建立數學模型，對感應加熱煤粉多級無油點火進行數值模擬，研究了一級煤粉煤粉在點火室內的著火過程和二級點燃過程、煤粉粒徑分佈對煤粉多級無油點火的影響，研究了一級點火室壁面溫度、一級煤粉氣流和二級煤粉氣流的風粉參數在煤粉多級無油點火過程中的影響規律；根據二級點燃段的流場和溫度場分佈，研究了環形夾心風推遲二級煤粉著火的機理。
  3. In this thesis, adopting compressible navier - stokes equations and compressible k - - e turbulence double model, studied 2d viscous flow field in wet turbine ' s separate - stage. coordinate transformation is made for the navier - stokes equations by using body fitted coordinate system, moreover, the flow field in 2d cascade is calculated by using the well - established simple method

    本文採用可壓縮氣體的n - s方程，並採用可壓縮的-湍流雙方程模型，研究了飽和汽輪機分離級內二維粘性葉柵流場，採用貼體坐標系對n - s方程進行了坐標變化，並利用成熟的simple演算法對二維葉柵內的流場進行了計算。
  4. The primary of linear induction motor which drives the metro is installed on the chassis bogie, and because it is quite strict with laying down railway rail to use flat linear induction motor to drive metro, its secondary - - - - reaction board ( called induction board ), which is a kind of compound board of aluminum and steel, is fixed on the rail sleeper between the track. it is the airgap which is a gap between the primary and secondary of lim. the electromagnetic airgap is a very important parameter of lim

    利用有限元法對直線感應電動機二維非線性渦流場進行了數值計算，並在此基礎上，運用電磁場有限元分析的專用軟體ansoftmaxwell2d對單邊型直線感應電動機的瞬態特性進行了模擬分析，得到電機運行過程中的電磁推力、法向力、初級電流、氣隙磁密等曲線，通過改變直線電機參數，分析了電機氣隙對其瞬態性能的影響。
  5. The contrast analysis for the vertical distribution feature of the simulated physical quantities such as vorticity, divergence, vertical velocity. spiral degree etc suggests that there are a good disposal among the various physical quantities fields in the different stage during the period of sandstorm development, and reveals that the dynamic mechanism of the forming, developing, decreasing of the sandstorm weather and trigger and indication effects of the micro - mesoscale systems and secondary vertical circulation to the occurring and developing of sandstorm in northwest area

    對渦度、散度、垂直速度、螺旋度等物理量的水平和垂直分佈特徵進行對比分析，發現各物理量場在沙塵暴發展的不同時期有著很好的配置，揭示出西北地區沙塵暴天氣的形成、發展、消弱的物理機制和中小尺度系統、次級垂直環流對沙塵暴天氣發生發展的觸發和指示作用。沙塵暴區上空螺旋度垂直分佈為高層負值，低層正值，螺旋度大小的演變與沙塵暴的出現有一定的對應關系。
  6. A transparent model is used to make the deflection jet board grounded on the inhere enlarged dimensions. the finished experiments are conducted to catch the flow rate directions and the situation of cavitation using a high - speed video cameras. in this paper, the finite element analysis and visualiation research of servo valve prestage jet flow field are carried out, which establish the theoretical foundation for mathematical model of servo valve prestage and the whole mathematical model of hydraulic servo valve

    在對射流前置級驅動的伺服閥射流流場數值模擬的基礎上，用有機玻璃在偏導射流板原始尺寸的基礎上進行了擴大，製作了透明的偏導射流板，運用高速攝像機、液壓泵站等組成了可視化實驗系統，對射流流場的流速方向、渦流、氣穴等現象進行了多方位的觀測，並通過對接收管接收壓力的測試，對流場分析結果進行了驗證。
  7. Numerical investigation to small high speed centrifugal compressor

    小型高速離心壓氣機級內部的三維流場分析
  8. It has not only better physics machine function, but also better bio - compatibility, bone - combined character than bio - metal and alloys, bio - ceramics and bio - macromolecule etc. making use of the water heat synthesization method, air current comminution method and classification filtration composite technique has preparated even crystal of ha, average particle size is 280nm

    本文研製了無機纖維增強pmma ha人工顱骨復合材料，該復合材料與金屬材料、陶瓷材料和高分子材料相比，不僅具有良好的物理機械性能，而且具有良好的生物相容性和骨結合特性。利用水熱合成法、氣流粉碎法和分級篩分等多種技術制備了粒徑均一的ha晶體，平均粒徑為280nm 。
  9. With the method, the calculation of arbitrary stage characteristics is carried out. in order to verify the method, a example of a 2 - spool, 16 - stages axial - flow fan / compressor is used for characteristics

    文中對一臺多級軸流風扇壓氣機在各種工況下進行詳細的性能特性計算，並對計算結果進行了分析，以驗證方法的可行性。
  10. Utilizing the property that the grains and the mixed stone have different specific weight and suspension speed as well as the airflow that is blown upward through the grains, the machine keep heavy impurity at the lower layer and uses a screen to force the material and impurity to move in different directions, thus separating the two of them

    該機是利用糧食與並肩石比重和懸浮速度不同的特性，藉助向上穿過糧流顆粒料間隙氣流作用，促使糧食與並肩石分級及重雜在下層，二者在往復運動篩板的作用下各自從相反方向運動，從而把並肩石從糧食中分離出來。
  11. To meet the needs for wider surge margin of the turbofan engine, a new model was developed to predict the characteristics of the fan / high pressure compressor and turbine in this thesis. several ways, including, variable inlet guide vanes of the fan, variable guide vanes of the high pressure compressor, the variable inlet area ratio of the mixer and the nozzle areas, were presented to enlarge the surge margin of the turbofan engine. meanwhile, a method of combined variable geometries for optimizing controls of inlet guide vanes of the fan, guide vanes and the first two stators of high pressure compressor, area ratio of mixer and noz zle areas was established

    為了滿足下一代作戰飛機對推進系統的性能和穩定性要求，本文建立了壓縮系統特性和渦輪特性的新模型，並分別採用改變渦扇發動機風扇進口導流葉片、壓氣機導流葉片和前兩級靜葉片、混合室進口處內、外涵面積比和尾噴管面積，研究了其對發動機性能和穩定性的影響，進而得出了渦扇發動機變幾何擴穩的方法，為發動機變幾何擴穩研究打下理論基礎。
  12. Abstract : the description is given to features in producting zinc power with redistillation and condensation and optimization of zinc powder screen classification by introducing pneumatic classifier for yielding variety of and high - quality zinc powder product

    文摘:介紹了精餾冷凝法生產鋅粉的特點及引入氣動分級機優化鋅粉篩分分級流程，產出多品種、高質量的鋅粉產品的生產實踐。
  13. There are great differences between ground test of a flight vehicle ' s aerodynamics and that of a dual - mode scramjet when ground test facilities are used to do experiments on a dual - mode scramjet engine, the components of incoming flow and its parameters, including total pressure, total temperature ( or total enthalpy ) and velocity must be simulated. at the same time, since the fuel ' s resident time within a combustor is very short, on the order of one millisecond, it is difficult to measure the flow - fields

    進行雙模態沖壓發動機地面試驗研究時，必須要求試驗設備能模擬實際飛行條件下來流氣體的組分、總壓、總溫（或總焓）以及來流氣體的流動速度；同時由於燃料在燃燒室內駐留的時間很短，一般為毫秒量級，從而使流場物理量的測定顯得非常困難。
  14. To improve the performance of ashp, an improved ashp system is presented. different from the original system, the new one can control the refrigerant flow rate by the sub - cooling of condenser and adjust the sup - heating of the compressor inlet vapor by the heater in accumulator. the simulation shows the new system not only has better dynamic characteristic of frost and defrost of ashp, but also has higher coefficient of performance

    為改善空氣源熱泵機組的結霜除霜動態性能，提出了一種利用冷凝器過冷度來調節製冷劑流量，在氣液分離器里增加電熱裝置保持壓縮機進口過熱度的改進型系統，結果表明這種改進型系統不但可以改善系統的運行性能，同時能改善系統運行的經濟性，為機組的技術升級和產品更新提供了一個新的途徑。
  15. By comparing the calculated results and test data for a multi - stage axial compressor, this method demonstrates that it could assist in predicting the characteristics of multistage axial compressor and spanwise parameter distribution under off design working conditions

    對一臺多級軸流壓氣機的計算結果與試驗數據的對比分析表明，該方法能較好地預測多級軸流壓氣機的特性和非設計工況下級間參數的分佈。
  16. The radial, circumferential and axial distributions of static pressure amplitude under post - stall conditions are measured and compared. the experimental results have proved the feasibility of using one - dimensional model to analyze the post - stall behavior and recoverability of compression systems. at the same time, the results of experiment have provided the first - hand data for analyzing and calculating vibrating response of blades under post - stall conditions

    以單級軸流壓氣機實驗器為對象，研製了兩種型式的靜壓動態探針?梳形針和圓盤針，詳細測量了過失速狀態下流道中壓力沿徑向、周向和軸向分佈，驗證了用一維模型分析壓氣機過失速性能和失速可恢復性的可信度，同時為過失速狀態下葉片的振動響應分析計算提供了第一手實驗數據。
  17. The flow field analysis and performance study of the air turbo classifier

    渦輪式氣力分級機流場的理論分析與計算
  18. Development of contrary centrifugal ultrafine air class ifier

    逆流離心式超細空氣分級機的研製
  19. The effect of frequency spectrum of the eddies of turbulent flow in a turbo classifier on its classification characteristics

    渦流空氣分級機內湍流渦頻譜對其性能的影響
  20. And this driving type results in the disadvantages of metro project such as the high cost of construction and maintenance, the big noise of vibration. the linear metro, which is droved by linear induction motor ( lim ), needn ’ t intermediate gearing and is droved to advance directly by the electromagnetic thrust between primary and secondary of lim. its force of traction is no longer restricted with the track adherence and the wheel only plays the support and guidance role

    電磁氣隙是直線感應電動機的一個重要參數，氣隙的變化會直接影響到電磁推力、初級電流等電機特性，而推力和電流對地鐵的穩定運行起著至關重要的作用，所以對地鐵中直線感應電動機的性能及氣隙變化對電機性能的影響進行分析研究具有非常重要的意義。
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