風速分佈 的英文怎麼說

中文拼音 [fēngfēn]
風速分佈 英文
wind speed of test point
  • : Ⅰ名詞1 (空氣流動) wind 2 (風氣; 風俗) practice; atmosphere; custom 3 (景象) scene; view 4 ...
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 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
  • 風速 : [氣象學] wind [air] speed; wind [air] velocity
  1. The three - dimensional cloud model with hail - bin microphysics could simulate the characteristics of the severe storm such as life cycle, rainfall distribution and diameter of hail well, and also could produce strong downdraft and wind shear ( downburst )

    而利用三維強冰雹雲模式對此次強暴的生命史、降水、降雹的大小等要素做了較好的模擬,並能夠模擬出伴隨強暴過程所產生的強下沉氣流和及地面強切變(下擊暴流) 。
  2. Some of the more pertinent variables include the relative wind, the type of terrain onto which the flammable fluid has drained, the fuel distribution, the location of the fuel spillage within the aircraft, the number of structural openings ( designed or crash produced ) that meter the inflowing air available for an internal fire, and the amount of fuel available to spill

    某些更重要的因素,包括相應的,油料瀉溢的地面狀況,油料的,飛機內油料外溢的位置,根據結構上開口的數量(設計上的與墜機造成的)來計算灌入的空氣是否會造成內部火災,以及可能外瀉的油料量。
  3. It shows that the injection quantity and the difference of temperature distribute as a parabola which is at the same load, and the minimum of the parabola corresponds to the optimum quantity of injection ( g ). under the condition that the quantity of injected mass, the air speed and the heat quantity is respectively g, v and q, the research demonstrates that the pentium iv chip ' s temperature variation can be controlled under 40c and work normally when the wind speed overpass 1. 5m / s and the power dissipation of the chip is 60w. otherwise this paper calculates the flooding limit of thermosiphon with several different methods

    對其充灌量、散熱量、電子元件( cpu模擬晶元)表面與環境溫度之差及通、流的影響進行了系統的測試,發現充液量與溫差的關系在負荷不變時呈拋物線,其極小值點對應的充液量是最佳充液量g 。在充液量為g時,對v 、散熱量q進行的研究表明,當超過1 . 5m / s后,奔騰晶元在60w發熱條件下晶元溫度小於40 ,能滿足長期正常工作。
  4. Under the assumption of linear ocean waves, and in the light of the theoretical framework about the probabilistic distribution of wave characteristics ( sun fu 1988 ), several probabilistic distributions of wave characteristics that is necessary for the estimation of breaking probability and whitecap coverage are derived. afterwards, the models of breaking probability and whitecap coverage are set up with these distributions in addition to the kinematical criterion

    在線性海浪假設下,基於孫孚( 1988 )關於三維海浪要素統計的理論框架,具體給出二維海浪波峰處質點水平度和表觀相的聯合函數,在此基礎上,根據運動學判據,別建立起浪破碎率和白浪覆蓋率的理論模式。
  5. Using the post processing tools of this cfd software, this article analyses the temperature and velocity field in the vav air - conditioned office and finally evaluates the indoor air distribution, adopting air diffusion performance index ( adpi )

    利用cfd軟體的后處理工具對不同送方式以及不同工況下的變量空調室內的溫度場和度場進行了析,最後採用空氣特性指標對空調室內的氣流組織進行了綜合評價。
  6. 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技術可以有效地對空調室內氣流組織設計進行指導,全面對室內空氣品質和通效果進行評價。熱源對于空調室內的氣流組織具有極其重大的影響。在變量條件下,利用具有良好貼附效應的送口如方型散流器和條縫口送,空調室內的溫度場和度場較均勻,室內的熱環境良好。
  7. By the numerical simulation, calculate the distribution of velocity ^ temperature and contaminant concentration of air in the room under different modes of air flow organization, and through analysing the outcomes of simulation, draw some conclusions

    對常見的辦公室環境,不同送回方式下的室內空氣的度、溫度及污染物濃度的進行模擬計算,並對模擬結果進行析,得出結論。
  8. A reasonable position of driving nozzle helps to achieve the maximum material flow that also depends on other parameters such as backpressure, properties of conveyed material and driving gas. it is observed that, an increase of convergent section angle is harmful to the pneumatic conveying system, and also influences on the mass flow rate of conveyed material, the distribution of static pressures in injector and the pressure drops of conveying pipe. in addition, within a reasonable scope of air mass rate, increasing the driving jet velocity is more advantageous than enlarging the dimension of driving nozzle

    試驗研究發現,氣體噴嘴位置對氣固噴射器的輸送能力影響最大,氣體噴嘴存在某一最佳位置,而這一最佳位置與背壓、輸送物料特性和輸送特性相關聯;氣固噴射器的收縮角對其輸送能力、內部靜壓和輸送管阻力特性均有適量影響,收縮角增大對整個輸送系統均不利;在適當的輸送范圍內,提高氣體噴嘴出口度比擴大氣體噴嘴尺寸更為有利,但氣體噴嘴出口度過高會增加氣固噴射器和輸送管內的能量損耗,給輸送帶來不利的影響;系統背壓與氣固噴射器的氣體噴嘴出口度的選取有關。
  9. Three experimental models were constructed, on the basis of the distribution and diffuse of the main production dust source. the experiments of dust transport and concentration distribution were done for many times, then show that the air velocity and dust distribution are the key factors which control dust distribution of the area nearby dust source

    根據礦井主要生產性塵源的及發塵特徵,構建了3種實驗模型進行粉塵運移和濃度實驗.結果表明,和塵源是決定塵源附近區域粉塵的關鍵因素.圖8 ,表2 ,參3
  10. Aiming at the study actuality of fan performance monitoring system and analysis of fan performance curve changes affected by inlet - box and the different fixed - angles of guide blades in the course of installation, a fan flow monitoring model based on rbfnn in whole flow zone was established in this thesis. in the model, the method of no throttle and fan performance curve were used as basis. and on the basis of that model, fan performance curves of 4 - 73no. 8d were approached with experimental data of different speed, different opening - angles of guide blade and different resistance of pipeline, the precision and the error law of model were studied

    本文針對電站機性能監測系統研究較少的現狀,在實驗的基礎上析了現場加裝進氣箱和由於安裝造成的導流器葉片開度不一致對機性能曲線的影響,並在此基礎上採用無節流方法測量流量,以機調節性能曲線為依據,建立了基於徑向基函數( rbf )神經網路的機流量全程監測模型;以實驗室4 - 73no . 8d離心機為研究對象,探討了rbf神經網路差壓模型在變轉、變導流器開度和變管網阻力等工況下的應用精度和誤差規律;最後用visualc + +語言開發了機性能在線監測系統。
  11. The tests were conducted in the hypersonic low density wind tunnel at nominal test conditions of mach 16, stagnation temperature 923k, stagnation pressure 1. 40mpa and 7. 30mpa. heat - transfer data were obtained on a hemisphere model, a sharp cone and a big blunt cone respectively by means of infrared thermal mapping techniques, that of a 0. 5mm thickness blunt cone by virtues of thermocouples. furth ermore, heat - transfer on all those models was calculated with the theoretical method

    最後在名義m _ = 16 、 t _ 0 = 923k 、 p _ 0 = 1 . 40mpa及7 . 30mpa的高超聲低密度洞中,利用紅外熱圖技術獲得了半球圓柱、尖錐、大鈍頭三個模型表面熱流,利用薄壁法技術得到了一壁厚為0 . 5mm的鈍錐模型表面的熱流,並通過工程理論方法計算了模型表面的氣動熱,把理論計算結果與上述試驗結果比較,幾者符合得較好。
  12. Then the air distribution system of the above - mentioned hotel ' s multi - function - hall was simulated with fidap, and the indoor temperature and velocity under the preliminary option was calculated. under the half - load condition of small air - supply quantity and slow velocity, finds that the problem has arisen, which the cold jets fall too fast in summer and the air distributes layer upon layer in winter

    然後應用fidap對上述旅館的多功能廳空調氣流組織初步方案進行了數值模擬計算,預測了該初步方案的室內溫度、,發現在送量和送度小的半負荷工況下,會出現夏季送時冷射流過早下降,冬季送時氣流的現象。
  13. ( 2 ) on the leading edge, the film cooling effectiveness at the zone immediately downstream of the cooling holes is affected by blowing ratio and mainstream reynolds number, while the effects are not important in the downstream zone far from the cooling holes. ( 3 ) on the front half of pressure surface, the effectiveness increases with decreasing blowing ratio at the downstream near the cooling row and it is contrary at the downstream far from the cooling row. ( 4 ) on the rear pare of the pressure surface, the effectiveness decreases with increasing blowing ratio and does not vary so much downstream in the cases of higher blowing ratio

    研究結果表明葉片吸力面端壁附近區域壓力系數呈現出較強的三維特性,動葉吸力面尤其明顯;氣膜孔流量系數隨吹比的增加而增大,在高吹比情況下,流量系數逐漸趨于常數;在不同型面區域,冷卻效率有較大的差異,而且吹比與主流雷諾數的影響程度也不盡相同;低吹比下,孔出口下游附近可以得到較好的冷卻,中、高吹比下,冷氣射流在加流動主流的作用下返回壁面進行二次冷卻,孔下游較遠區域可以得到較好的冷氣覆蓋。
  14. Our research analyzes comprehensively the sand data, such as thickness distribution, velocity distribution, frequency distribution of sand incipience velocity, expatiates the behaviors of these two sand incipiences in wind - blown - sand flow, then our research amends some deficiency of relative researches

    本文全面析了沙粒濃度和沙面上起動沙粒度參數的頻率等,闡述了兩種沙粒起動方式在沙流中的不同表現,並對相關研究資料中的不足進行修正。
  15. To model wind speed probability distribution of wind farm accurately, the random properties of natural wind should be fully recognized and then the calculation of wind energy potential can be obtained at the given sites

    資源認識方面充了解況的隨機性,合理擬合電場概率函數,準確估算出能潛力。
  16. Computational fluid dynamics ( cfd ) techniques are used to study and understand fluid behavior in tunnels. by simulating complex specific operational cases, we can educe velocity or flux distribution in tunnel under different ventilation and resistance situation and determine the favorable operational procedures of the erlang mountain tunnel ventilation in a fire case. comparison has been made between a simulation and experiment for some cases in order to prove the cfd model is powerful, so that enables the study of cases for which experimental data is not available

    採用本文將隧道內的氣流看成是理想流體的一維恆定流動,通過對二郎山特長公路隧道半橫向通系統建立隧道內的空氣動力學模型,利用計算機進行數值析與計算,得出發生火災時,不同通阻力條件下隧道中的風速分佈及流量,並通過實驗室隧道模型實驗進行驗證與修正,依據研究結果給出了二郎山半橫向通隧道的火災控制方案,從而解決了二郎山公路隧道通對火災的控制問題,同時為半橫向通公路隧道的火災通提供科學的方法。
  17. Since the suggested method makes a significant improvement in wind speed, it is more suitable for wind field estimation over complex terrain than other methods which only concerns the effect of distance. then we calculate the wind change with evaluation, last we can conclude the wind abase the hilly terrain, we find the wind in westward and center plain is much smaller than other area. while the wind in northward hilly area is much bigger with the hilly arising. the wind of chongqing is the biggest period in spring ( april ), the smallest period in winter ( january ), the wind in summer ( july ) is bigger than its in autumn ( october )

    本文利用重慶及其周邊地區的常規氣象站的1951 ? 1980年30年的平均資料,針對復雜地形診斷,以地理信息系統為數據處理平臺,根據重慶1 : 25萬dem數據,來獲得重慶市實際復雜地形的高程,提出了一種適合於起伏地形的權重內插方法,通過引入一個表示地形起伏變化程度的因子,構造了一種新的權重函數,來處理復雜地形上的,通過與只考慮距因素同反平內插方法比較發現,本方法更適合在起伏地形條件下使用;然後根據經驗公式在地形上進行計算,得出重慶地區起伏地形下的風速分佈;得出重慶市的西部、中部平原地帶較小,而北部山區隨海拔高度升高也較大;重慶市最大時期為四月份,冬季一月份最小,夏季(七月份)大於秋季(十月份) 。
  18. According to the wind speed distribution function with exponential rule, the difference value is accurately calculated between the actual wind power produced through the rotor swept area and the wind power produced by taking wind speed at the rotor centre as the design wind speed, and the power increment is obtained

    摘要根據指數律的風速分佈函數,對輪掃掠面積上的實際功率與以輪中心為設計產生的功率的差值做精確計算,得到了功率的增量。
  19. Hence, this paper is accomplished to develop the study of the wind power generation cost. the content is as follows : first, the history and the present of wind power generation are introduced ; second, the social cost of wind power generation are studied by means of comprehensive analyses

    1首先,本文介紹了力發電的歷史和現狀; 2其次,運用層次綜合析方法,從社會總成本的角度對力發電成本進行研究,得出力發電的社會總成本第二的結論; 3再次,運用風速分佈模型、期望發電量模型、電成本計算模型,對我國力發電的實際成本狀況進行研究;通過敏感性析的方法,以實例對影響電成本的因素進行研究。
  20. 10 - minute mean wind in hong kong

    香港各地區十鐘平均向及風速分佈
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