air distribution method 中文意思是什麼

air distribution method 解釋
空氣分佈方法
  • air : n 1 空氣，大氣。2 天空，空中。3 微風，和風。4 態度，樣子，風度，氣派；〈pl 〉高傲的架子。5 傳播，...
  • distribution : n 1 分配，分發，配給；分配裝置[系統]；配給品；配給量；【經濟學】配給方法，配給過程；分紅；【法律...
  • method : n 1 方法，方式；順序。2 （思想、言談上的）條理，規律，秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. In this thesis hydraulic experimental studies and theoretical analyses on the vortex - flow drop shaft were conduced and the following results were accomplished : ( 1 ) in the model test some hydraulic characteristics including the shape of air core in the center of the drop shaft, the radial distribution of water flow velocity and the distribution of pressure on the wall of the drop shaft were measured under the condition of high water head above 250m and large discharge above 1400m3 / s. ( 2 ) a kind of computational method for the spiral water flow in the air core region of drop shaft was discussed and applied and the results agree the experimental data well. ( 3 ) the total ratio of energy dissipation in the drop shaft can reach 90 % and the energy dissipation in every region was discussed quantitatively

    本文通過試驗研究與理論分析對旋流式豎井泄洪洞應用於高水頭、大泄流量情況時存在的一些水力學問題進行了研究和探討，取得以下主要成果：一、結合小灣工程導流洞改建，對高水頭（ 252m ） 、大泄流量（ 1400m ~ 3 s ）條件下旋流式豎井中的水流運動特徵進行了比較全面的測量，包括空腔形態、徑向流速分佈及井壁壓強等；二、提出了豎井空腔段螺旋水流水力計算方法，其計算結果與實測值吻合良好；三、利用試驗與計算結果，對旋流式豎井的消能機理進行了探討，對豎井各部分的消能能力有了總體認識；四、對豎井下部消力井的合理井深進行了優化試驗研究，發現消力井合理深度為0 . 9d左右；五、通過試驗研究，歸納出豎井水流總摻氣量估算方法，為導流洞排氣方案的設計提供了參考依據；六、在高水頭、大流量條件下，豎井空腔段下部流速很高，盡管水流螺旋運動引起的離心力可以確保井壁壓強保持正壓，但空化數依然較低，因此豎井的空化空蝕始終是工程界關注的重大問題。
  2. Abstract : the distribution of cooling air which is in the grille - brick of the inner combustion hot air stove has been simulated with three dimension turbulent mathematical model so as to find a method which is used to improve the distribution of cooling air in hot air stove. the influence of differential horizontal plates on the distribution of cooling air is discussed. the results show that original big circle round field of flow in the pillar - cavity is changed into full one - way field of flow and edges gas flow, at the same time, is increased by horizontal plates. there is a different function with horizontal plates and vertical plates. to make the uniform distribution of cooling air in the hot air stove, it is necessary that horizontal plates and vertical plates are used in a combined way

    文摘:應用紊流三維數學模型模擬內燃式熱風爐內冷風在格子磚柱中的分佈，尋求改善其分佈的途徑.討論了加設不同布置的水平導流板對氣流分佈的影響.模擬結果表明，在支柱空腔內加設水平導流板改變了原有大迴旋流場，使迴旋流變成大面積的單向流.通過在支柱空腔內加設水平導流板可以發展邊緣氣流，這恰好與加設豎直導流板的作用相反，水平導流板和豎直導流板的結合使用有望實現冷風在格子磚柱中的均勻分佈
  3. In this article, simulations of air distribution in the vav air - conditioned office are carried out in the cases of different air - supplying diffusers including slot diffuser, sqaure grille, bar grille and square diffuser to supply air, the standard three - dimensional k - ? two - equation turbulence model with correctional item of buoyancy effect and simple algorithm are adopted, and wall function method is used to handle boundary conditions

    本文採用經過浮升力項修正的-兩方程模型和simple演算法，應用壁面函數法處理邊界條件，對利用包括條縫風口、方型百葉風口、長條型百葉風口和方型散流器不同型式送風口送風的變風量空調房間內的氣流組織進行了模擬。
  4. In this text, according to south china sea ( scs ) hydrology investigation data, including the nansen data, bt and ctd data, thermocline distribution of scs and its characteristics have been studied. at same time, with the data of sun " s thermal radiation, air temperature, and other weather data the ocean thermocline has been calculated. the research involves the following aspects : large - scale data processing method ; data quality control ; thermocline identification and statistics method ; thermocline map ; thermocline influence factors of scs ; thermocline results comparison using nansen data and bt data ; thermocline forecast

    研究涉及到以下幾個方面：大規模資料的處理方法、質量控制；溫躍層的計算機識別、溫躍層的統計分類方法；南海溫躍層三項示性特徵圖的繪制；南海溫度躍層的影響因素、南海溫度躍層的分佈狀況；南森資料與bt資料計算南海溫躍層的結果比較；海洋上層溫度結構模式及計算等。
  5. The research include : 1 ) measuring co2 concentration in the soil air and vegetation air by using co2 measuring instruments ; 2 ) measuring the releasing rate of co2 coming from soil surface by using alkaline absorbing method ; 3 ) measuring the hydrochemical indexes of soil water. the research results are as follows : ( 1 ) the author has made field observation of depth distribution of soil air co2 in the mt. jinfo karst experiment site. the results show that two concentration gradient, soil to atmosphere and soil to carbonate rock, are form

    本次實驗以典型的亞熱帶巖溶分佈區?金佛山自然保護區為例，選擇了巖溶窪地內的高山草甸和靠窪地邊緣地帶的方竹林、裸地以及石林內的喬木林4個樣地，對土壤co _ 2濃度空間分佈規律以及晝夜動態和日動態變化狀況進行了觀測，獲得了如下新的認識： （ 1 ）土壤中co _ 2濃度分佈的觀測結果表明，土壤中具有土壤-大氣、土壤-碳酸鹽巖兩個方向的co _ 2濃度梯度。
  6. In this dissertation, the author has covered such key points as follows : 1. modeling of fire distribution for all kinds of air defense weapons against low altitude targets ( including various anti - aircraft missiles against low altitude targets ) and taking into account the fire distribution against the cruise missile as a special air strike weapon for the first time ; 2. an overall analysis of the factors that have effect on threat degree and advantage degree as well as the fuzzy distribution of individual factors ; establishment of models for threat degree evaluation and advantage degree evaluation in fuzzy method in conjunction with fire distribution model in sort method, resulting in the materialization of a new fire distribution model, i. e., fuzzy sort model ; 3. modification of the definition of distribution line of target and realization of optimized fire distribution against the initial targets and the targets that await fire shift

    論文的主要內容包括: 1 ）建立了各種陸軍低空防空武器（包括各種低空防空導彈）的火力分配模型;首次將巡航導彈作為一種特殊的空襲兵器，優先考慮了對它的分配。 2 ）分析了威脅度和有利度的影響因素及各單因素的模糊分佈，建立了一種新的火力分配模型? ? 「模糊排序模型」 。 3 ）修改了目標分配線的定義，實現了對射擊目標和轉火目標的優化分配。
  7. They are jet formula method, cfd method and model experiment method considering the great many merits of cfd method such as easily applying to complex geometric, independent of experiential parameters and easily simulate for many conditions and so on, this thesis use cfd method to study of the air distribution of certain pratical project

    對于地下電站高大廠房氣流組織的研究目前有三種方法：射流公式法、 cfd方法、模型實驗法。 cfd方法以其易於適用復雜幾何形狀，不依賴經驗參數，易實現多工況模擬等諸多優點而倍受青睞，因此，本文採用cfd方法對某一實際工程進行了氣流組織研究。
  8. According to thermal state similitude model experiment of the langya mountain hydropower station, we adopt different velocity of air ventilation and exclude air proportion of upriver and downriver, this paper contrast the air distribution of the dynamo floor on each method, and educe the best projects of arch crest supply air that adapt to langya mountain hydropower station ’ s dynamo floor : g = 17. 4 10 ~ 4m ~ 3 / h, 22 vents, d = 600mm, the scale of volume 1 : 3, t0 = 16. 9. it ’ s also thought that improved any side of volume can reduce its temperature. when study on the air supply of langya mountain hydropower station ’ s underground dynamo floor by cfd software, it proved that cfd software is correct when compare with model experiment. when arrange the number of 5 kinds of vents, it concluded that the number of vents 14 to 22, it can ’ t change velocity, in 36 to 40 can lead to reduction of velocity. when vent in 14 to 36, the parameter kt doesn ’ t change, when the number is as large as 36, kt reduces

    在此基礎上，模擬了5種風口布置方案和送風量的改變對發電機層溫度場和速度場的影響，獲得了些可供參考的結論:在風量和送風速度不變的條件下，風口個數在（ 14 ~ 22 ）小范圍變化時，工作區平均風速基本不變，大幅度增加風口個數（ 36 ~ 44 ）就會導致工作區平均風速的降低，風口數在14 ~ 36之間對工作區的溫度不均勻系數影響不大，當風口數> 36時，溫度不均勻系數隨著風口數的增多而變小，速度不均勻系數一直隨著風口數的增加而減少;在風口布置和尺寸不變的情況下，送風量變化時，工作區平均溫度隨送風量增大而降低，平均溫度的降低量逐漸趨于減少，能量利用系數先是隨著送風量的增加而增大，后隨送風量增加而減少。
  9. Fire - resistance tests - fire dampers for air distribution systems - test method

    耐火試驗.空氣分配系統用火焰調節器.第1部分:試驗方法
  10. Fire - resistance tests - fire dampers for air distribution systems - guidance on the test method

    耐火試驗.空氣分配系統用火焰調節器.試驗方法指南
  11. A new method is developed to predict the temperature distribution of cooling - plate with non - uniform heat load on the surfaces, meanwhile, two types of cooling - plate used in the environment control system of airplane are studied experimentally under conditions of different reynolds number of air and surface heat loads

    摘要提出了一種新的冷板簡化數學模型，把翅片摺合成導熱系數?各向異性的等效厚度層實芯板，將冷板與空氣的對流換熱作?等效層的穩態導熱問題，計算了表面熱源非均勻條件下冷板的溫度分佈。
  12. This platform is then used to study the temperature distribution and fluctuation of module ' s wall, the fluctuations of thermal control system, temperature and humidity in the cabin for the short and long cycles of the thermal environment changes. this thesis suggests a temperature control method for cooling loops, a temperature and humidity control method of the cabin air and simulates their effectiveness

    用該平臺模擬了艙壁的溫度分佈及波動特點，研究了熱輻射環境的短周期和長周期波動及艙內熱負荷波動對熱控制系統及艙內空氣溫度、濕度造成的動態影響；給出了熱控迴路溫度控制方法，利用最佳去濕流量的概念提出了具有回熱流程的艙內空氣溫度、濕度控制方法，對控制效果進行了動態模擬。
  13. There is no thoroughly rounded theory about displacement ventilation system in our country at present and our research begins recently. the study work of this paper will be useful for further optimization design of displacement ventilation system. this dissertation includes five parts. the first part introduces the development of the displacement ventilation and the background of research in domestic and oversea. in the second part, it gives working principle of displacement ventilation system and it ’ s advantages to the mixture ventilation. the study also gives a series of indexes to evaluate displacement ventilation system and specifies air supply terminal device and so on. it is needed to simulate and analyse the velocity field, temperature field and distribution of flow field. this is the third part. the forth part specifies the simulative method for thermal stratification of displacement ventilation system. it gives some factors affecting thermal stratification height such as inlet temperature, inlet velocity, heat transfer of wall body, distance of heat source and so on

    本文的研究工作主要包括以下幾個方面的內容: （ 1 ）綜述了國內外相關的研究現狀和研究背景; （ 2 ）簡介了置換通風的工作原理，並分析了它相對于混合通風的優良特性及評價指標、末端裝置等; （ 3 ）對採用置換通風方式房間的溫度場、速度場和氣流分佈進行了模擬計算與分析; （ 4 ）對採用置換通風方式房間的熱力分層高度進行了模擬計算，並分析其影響因素，如:送風溫度、送風速度、圍護結構傳熱和熱源分佈等; （ 5 ）擬合了無量綱熱力分層高度相應于送風溫度t 、送風速度v 、熱源間距離l和圍護結構傳熱q的經驗公式。
  14. Due to 12 / 8 poles doubly salient permanent magnet motor, planar finite element method ( fea ) is applied to analyze the magnetic field inside the motor. and a series of static characteristics are investigated, such as field distribution, air gap magnetic density, field flux, inductance, static torque

    針對12 / 8極永磁式雙凸極電機，採用二維平面有限元法對電機內磁場進行分析計算，研究了電機磁場分佈、氣隙磁密、繞組磁鏈、繞組電感、靜態轉矩等一系列電機靜態特性。
  15. Dielectric air leakage test method for trunk, feeder and distribution coaxial cable

    干線饋電和配電同軸電纜用絕緣材料漏汽試驗方法
  16. Aimed at the fire distribution of the fire command for adg ( air defense group ) made up of agm in the army, a brief analysis of the different point of the shooting beteen anticraft guns and missle and the fire distribution method for adg made up of agm is given, an optimization mathematical model is presented

    針對陸軍彈炮混編防空群射擊指揮中的火力分配問題，簡要分析了防空導彈和高炮武器系統射擊的不同特點，提出了彈炮混編防空群的火力分配方法，並建立了優化火力分配方案的數學模型。
  17. When air exchange rate is high, the vertical variations of temperatures in the zone of occupant action are similar by the three methods. thus, the vertical indoor air temperature distribution in the high air exchange room is not mainly determined by heating method, but the way of air current

    此外，三種供暖方式的室內空氣溫度垂直分佈規律與封閉房間內的情況差別較大，房間通風量較大時，人體活動區域內沿高度方向三種採暖方式產生的空氣溫度變化基本相同。
  18. Mornitoring and testing method for energy saving of air compressor unit and air distribution system

    空氣壓縮機組及供氣系統節能監測方法
  19. Single - duct air distribution method should be used when designing the full air conditioning system with no special requirement

    設計全空氣空氣調節系統並當功能上無特殊要求時，應採用單風管送風方式
  20. The design process of cold air distribution with ice storage system was investigated in this thesis. a computer software for the design of the system was developed. concerning with optimization of system design, this thesis disclosed the common problems of ignoring the particularity of the new system by analyzing the traditional design method, which results in the deviation between theoretical and experimental results

    1 、本文針對冰蓄冷低溫送風系統的優化設計問題，通過對目前工程中所採用的設計方法、思路的分析研究，發現現有的設計方法對冰蓄冷低溫送風系統的特殊性考慮不足，有的甚至沿襲常規系統的設計方法，從而導致設計與實際相差甚遠。
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