空氣分佈器 的英文怎麼說

中文拼音 [kōngfēn]
空氣分佈器 英文
air distributor
  • : 空Ⅰ形容詞(不包含什麼; 裏面沒有東西或沒有內容; 不切實際的) empty; hollow; void Ⅱ名詞1 (天空) s...
  • : 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...
  • : 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
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 空氣 : 1 (大氣) air; atmosphere 2 (氣氛) atmosphere 3 (氣閘) air brake4 pneum ; pneumo ; pneumat ;...
  1. Abstract : apply computer simulation to the distribution pattern of air - flow without considering the cold condition of the combustion and compare the flow patterns under different designed circumstances. and the effect of the design of the partition in the air way of the burner on the flow and mixture of gas and air is especially studied. the result shows that the design of partition plays a very important role in strengthening the mixture of gas and air, but increases the loss of the resistance in the air way and the total pressure of the air way in same working conditions needs increasing

    文摘:應用計算機模擬的方法,在不考慮燃燒的冷態情況下,研究了熱風爐燃燒室內的規律.在此基礎上,比較了2種不同設計方案的流流動特徵,尤其是研究了燃燒通道內阻流板的設置與否對和煤的流動和混合的影響.結果表明,阻流板的設計對加強和煤的混合有著極為重要的作用,同時也增加了管道的阻力損失,在同樣的工況條件下需要提高管道系統的總壓力
  2. Second, the starting and stopping behaviors under disturbed condition are analyzed and calculated by using the dynamic concentrative parameter model, which gives some advice to better prescribe refrigeration system and set theoretic foundation for carrying out automatic control of refrigeration system. third, the normal running process is analyzed and calculated by means of rational matching theory, which gives some advice on how to better understand the parameter change under steady state and the affection of inlet - parameter on evaporator. fourth, the simulation software with dynamic characteristic is designed, which can be applied to calculate thernio - parameter of cryogen, air humidity and frost thickness under different initial and boundary conditions, and to carry out dynamic simulation under conditions of dryness, wetness and frostiness, at the same time, to achieve detection and simulation at any stage from starting to stopping

    本文的主要內容如下: 1 )對翅片管蒸發結構特點進行析,選取適當的微元控制體,就干、濕和霜工況下對每個微元別進行傳熱傳質析,基於經驗關系式確定霜的有關參數,對于霜工況下的霜生長建立模型,經適當假設,運用質量守恆、能量守恆和動量守恆方程建立適合動態模擬的蒸發數學模型,為系統模擬奠定基礎; 2 )對蒸發在大擾動下的開、停機過程,運用動態集中參數模型進行析和計算,為更好地描述製冷系統運行的全過程奠定基礎,同時也為製冷系統實現自動控制提供一定的理論基礎; 3 )對蒸發正常運行過程,運用動態參數和參數間定量耦合的觀點來析和計算,為更好地了解穩態工況下各點參數的變化情況及各入口參數對蒸發動態特性的影響即蒸發性能對各參數變化的敏感性; 4 )編寫翅片管蒸發動態特性模擬計算程序,可以計算不同邊界條件和初始條件下的製冷劑熱力參數、溫濕度和霜厚度場,實現對翅片管蒸發在干、濕和霜工況下的動態模擬。
  3. Moreover, the system of powdered coal conveying with primary air is the most important tache, whether the distribution of primary air is even or not directly relates to whether the distribution of powdered coal is even or not in all firing implement and nozzles, sequentially directly relates to whether it is hard to take fire, whether the fire is stable, whether there is coking and how about the heat efficiency of the boiler, hi addition, if there is jamming and deflagrate in the system of powdered coal conveying with primary air, severe safety accident can be resulted

    良好的煤粉配風是建立合理的爐內動力工況和穩定燃燒的必要條件。而其中一次熱風送粉系統又是最重要的一個環節,一次風配風是否均勻直接關繫到煤粉在各燃燒和各噴嘴中的是否均勻,從而直接關繫到著火是否困難、火焰是否穩定、局部是否結焦以及鍋爐的熱效率高低。若一次風送粉系統發生堵塞和煤粉爆燃則可能引發嚴重的安全事故。
  4. Firstly, simulate flow field of rear smoke channel, plot velocity magnitude and ash concentration distribution in section of entry of heat pipe air preheater, compare with data which were measured in guiyang power station, verify simulation to be reasonable and right. secondly, simulate all kinds of factors which affect flow field ' s uniformity such as length, thickness, location of diffluent board, ash concentration, ash diameter, and so on, find the chiefly factors. thirdly, install guide board in curve channel in rear smoke channel, then simulate its " flow field, plot velocity magnitude and ash concentration distribution

    在此基礎上模擬在冬夏兩季不同情況下,不同流速對熱管預熱壁面溫度的影響;然後對影響整個流場的各種因素:包括流板長度、厚度、偏離中心流道位置的偏離度、飛灰濃度、飛灰粒徑等因素進行數值模擬;最後提出在流煙道轉彎處加裝導流板,並模擬加裝導流板后的流場,得到下級預熱出口、熱管預熱進口處的斷面速度場、濃度場,以論證加裝導流板能達到流場均勻化的作用。
  5. The world ' s reference bioaerosol sampler is a multi - stage, multi - orifice cascade impactor designed to measure the concentration and particle size distribution of aerobic bacteria and fungi

    世界標準的微生物采樣是多級,多孔瀑布式撞擊采樣。是為測量中細菌和真菌微粒大小的濃度而設計。
  6. The theoretical analysis shows that any human activities, responsible for the changes of rock, air, water, soil and biology inside or outside the caves, will influence inevitably cave animals in terms of such levels as molecule, cell organelle, cell, tissue, organ, system, individual, population, society and ecosystem. these effects can be observed on cave animal ' s shape - building, activity, tissue structure, metabolism, space - time distribution, biothythm, structure of population and society, food chain, bio - relation, diversity of population and society, and function of the above - mentioned levels

    理論析表明,凡是能夠引起地表和洞穴巖石、、水、土壤、生物等變化的一切人類活動都不可避免地使洞穴動物在子、細胞、細胞、組織、官、系統、個體、種群、群落和生態系統各級層次上產生效應,這些效應具體表現在影響洞穴動物形態建成、行為、組織結構、新陳代謝、時、生物節律、種群和群落結構、食物鏈結構、生物關系、種群和群落多樣性以及各層次所表現的功能的多少、快慢、強弱等方面。
  7. Through the research work of this article, it is shown that cfd technology can efficeintly instruct the design of indoor air distribution and evaluate indoor air quality and ventilating effect ; the distribution of heat sources have great impact on indoor air distribution ; under variable air volume condition, the indoor temperature and velocity fields are quite even and the thermo - environment is relatively good when using diffusers with coanda effect such as square diffuser and slot diffuser to supply air

    經過本文研究發現,利用cfd技術可以有效地對調室內流組織設計進行指導,全面對室內品質和通風效果進行評價。熱源對于調室內的流組織具有極其重大的影響。在變風量條件下,利用具有良好貼附效應的送風口如方型散流和條縫風口送風,調室內的溫度場和速度場較均勻,室內的熱環境良好。
  8. According to the re - analyses on pollen assemblages and archeological evidences in the site and related documents, this paper reconstructs the sequence of fossil pollen - pollen - vegetation - paleoclimate during the prehistoric period, emphatically discussing environment changes, the space - time distributed law on archaeological sites, the origin of culture fault and formation mechanism

    本文根據孢粉學和考古學證據,結合相關文獻資料,從古地理學、考古學、歷史學等綜合研究的角度,重建史前時期化石花粉? ?孢粉植被? ?古候環境的演變序列,著重探討太湖流域新石時期的環境變遷與古文化遺址的時規律、文化斷層的成因及其機制。
  9. The turbocharger noise is formed by the rotation noise resulting from the periodical air cutting of the fan blade and the turbulent noise of high - speed gas flows. as a continuous high frequency noise, it mainly falls between the 500 to 10 000 hz range

    渦輪增壓的噪聲是由於葉片周期性地切割產生的旋轉噪聲和高速流形成的湍流噪聲而形成的,是一種連續性的高頻噪聲,主要在500 ~ 10000hz的頻率范圍。
  10. Experimental investigation and numerical simulation on air temperature distribution around wire - and - tube condenser

    絲管式冷凝周圍溫度的實驗研究及模擬
  11. And if it is the drying of relative light and small granular and powder like materials, cloth bag dust catcher is needed, and the pneumatic feeder apparatus is offered as a choice. add particulate material into fluid - bed dryer by feeder and send the filtered and heated clean air into fluid - bed by air - blower

    散粒狀固體物料由加料加入流化床乾燥中,過濾后的潔凈加熱後由鼓風機經板與固體物料接觸,形成流態化達到固相的熱質交換。
  12. ( 3 ) the most principal factors that influence the supersonic atomization process include the flow ratio of the gas - liquid metal ( gmr ) value, the flow of atomizing of gas and the range of the inverse vortex taper. the more of the value of three factors, the more advantage they are for the atomization and the more fine the powders are. ( 4 ) the produced powders are the best in efficient atomization efficiency, particle diameter, particle shape and dispersion when the solder alloy is zhl63a, atomizing medium is n2, the protrusion h = 6. 0mm, atomizing gas pressure p = 100mpa, over - heat temperature t = 167 ( t = 350 )

    研究結果表明: ( 1 )超音速霧化體流場在導液管下端形成一個倒渦流錐,在二維間上呈軸對稱的雙峰,負壓形成於這個倒渦流錐內; ( 2 )修正後的霧化體速度公式可以滿足超音速霧化的要求; ( 3 )影響超音速霧化工藝最根本的因素有液質量流率比( gmr )的大小、霧化體流量和倒渦流錐范圍,三個因素的值越大,對形成細粉越有利; ( 4 )在焊錫合金為zhl63a ,霧化介質微n _ 2 ,導液管突出高度取h = 6 . 0mm ,霧化體壓力取p = 1 . 0mpa ,合金過熱度取t = 167 ( t = 350 )時,所制得的粉末在有效霧化率、顆粒球形度、粒度及其離散度三個方面綜合性能最好。
  13. Ate plays a more and more important role in the test and repair of aircraft avionics, and can considerably improve servicing quality and efficiency. our task is to develop a new type of ate used to test six kinds of aircraft avionics instruments located in the cockpit. it should be able to fulfill the test of all functions and performances of each instruments according to it ’ s component maintenance manual

    本文研究一種新的航儀表自動測試設備,能對六種於駕艙內的指示型航電子儀表?速馬赫數指示、電動壓高度表、無線電距離磁指示、地平儀、姿態指示儀、水平位置指示儀進行檢測,完成維修手冊所規定的全部功能、性能方面的綜合測試。
  14. As air distributor in a variable air volume system, the performance of slot diffuser is the best one, but the type of diffuser is too expensive, so at home many firms try to choose square diffuser

    條縫形散流作為變風量系統的空氣分佈器其性能是最好的,但這種條縫形散流過于昂貴,故國內許多公司選擇採用方形散流
  15. The main studies of this thesis have been focused on the mass transport phenomenon in the hollow fiber membrane contactor, including the development of the model of the gas diffusion through the microporous membrane, the analytical solution of the shell side mass transfer differential equation in an orderly packed parallel flow module, the calculation of the shell side flow distribution in a randomly packed module, the estimation of the influence of the random arrangement of the fibers on the shell side mass transfer, and the experiments of the absorption of co2 into water

    膜接觸是一種通過膜作為兩相之間的離界面而實現相間傳質的雜化膜過程。本論文主要研究中纖維膜接觸的傳質行為,研究內容包括體通過微孔膜擴散模型的建立、中纖維膜均勻的平行流組件殼程傳質微方程的解析求解、中纖維膜不均勻組件中流體的數學計算、中纖維膜不均勻對殼程傳質影響的估算以及co _ 2體吸收實驗。
  16. This distributor use small space. has more distribute hole, little gas resistance, low pressure drop, wide operation flexibility

    間佔位更低,體通道開孔率更大,流阻力小,壓降低,操作彈性范圍大。
  17. The optimized experimental conditions are determined and the densities of some elements in the mental alloy standard samples are measured. the experimental results shows that the spectral intensity of the plasma enhances significantly with the increase of the operating voltage and the power density. ( 1 ) to the steel ally sample, the emission intensities of the spectra reach to the maximum values when the laser operating voltage is 1600v and the argon pressure is 600 torr. under the same pressure, the spectral intensity of the plasma in the argon atmosphere is stronger than that in the air. when the argon pressure is 320 to rr, the signal - noise ration is about 5 times than that which the argon pressure is 700 torr, but the temperature of plasma is less about 1000k

    ( 1 )對于光譜標鋼準樣品,當激光工作電壓為1600v 、氬壓力為600乇時,譜線強度達到最大,並且在相同壓強下,氬中的等離子體與中的等離子體相比,其輻射強度明顯增強;氬壓力為320乇時的譜線信背比約為600乇條件下的5倍,而等離子體溫度卻下降了近1000k ,即等離子體溫度隨環境壓的增大而增大;當激光束的焦斑在樣品表面上下移動時,激光誘導量、等離子體的激發溫度、譜線強度都呈不對稱性,其最大值對應的焦斑位置都位於樣品表面之下0 . 4mm左右。
  18. Observation of meteors throws light on our understanding of the motion of the celestial bodies in our solar system, physical properties of the earths upper atmosphere and the spatial distribution of meteoroids which helps choosing safe and proper trajectories for launch vehicles such as artificial satellites

    觀測研究流星對研究太陽系天體的運動地球高物理性質了解流星體這項資料對選擇航天如人造衛星的運行軌跡十重要等都有重要的意義。
  19. There will appear a very uneven flow field, and appear a very big velocity magnitude distribution and ash concentration distribution near back wall. thus, the velocity magnitude is far bigger than that of optimal design velocity magnitude, which will lead to serious wear and tear in metal face of heater. especially, because of curve structure in front of heat pipe air preheater, there is more serious wear and tear

    由於靠近豎井后墻面的煙流速很大,飛灰濃度也較大,斷面速度的最大速度大於最佳設計速度的2 - 3倍,這樣將造成受熱面的嚴重磨損,特別是熱管預熱前端煙道的幾何結構有一定的轉角,更增加了磨損的程度。
  20. Method of testing for rating air distributor performance

    空氣分佈器性能試驗方法
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