氣流速率 的英文怎麼說

中文拼音 [liú]
氣流速率 英文
air flow rate
  • : 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...
  • : 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...
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 率名詞(比值) rate; ratio; proportion
  • 氣流 : 1 [氣象學] air current; airflow; wind current; airstream2 [語言學] breath氣流紡紗 open end spinni...
  • 速率 : speed; rate; tempo
  1. Through the special studies on impacts to atomizing and humidifying effect from such factors as the firing pin type, centrifugal structure, higher spraying pressure, less aperture, initial water temperature and original state of the air, some conclusions are obtained, such as : the centrifugal nozzle with firing pin type, high pressure and little aperture has bigger air eddy and atomizing angle. the spaying liquid has high velocity. the droplet is small, and the heat and mass transfer velocity is high

    通過對撞針型結構、離心式結構、較高的噴水壓力、較小的噴嘴孔徑、噴水初溫及待加濕空初狀態對霧化加濕效果的作用原理的重點分析,得到:撞針型高壓小孔徑離心式噴嘴具有較大的空渦與霧化角,噴出的液體高、液滴小、水與空傳熱傳質高,撞針型結構提高了霧化加濕效,高壓小孔徑的特點為霧化加濕提供了較大的能量,而噴水初溫的升高會減小水的粘性力和表面張力,從而優化加濕效果。
  2. Peak updraft strength is slightly enhanced with hodograph curvature, 29. 0 m / s in b versus 26. 1 in c

    山頂上升強度隨矢端跡曲加大而稍有加強,在(圖上) b點是每秒29米, c點是每秒26 . 1米。
  3. The reaction activity was influenced by the velocity of gas, and the conversion rate was inverse ratio to the velocity of flow

    同時研究了反應對h _ 2s光催化氧化反應的影響, h _ 2s的去除成反比。
  4. Using jgp560c magnetron sputtering equipment, cu / ag film are deposited on cd1 - xznxte substrate by dc magnetron sputtering in order to get the influences of the main experiments parameters such as sputtering power, gas flow, vacuum air pressure, magnetoelectricity power and substrate temperature on deposition rate of film, discovered that dc sputtering power is the most key factor influencing the deposition rate

    在jgp560c型超高真空多功能磁控濺射鍍膜機上,採用直磁控濺射法在cdznte晶體上制備出cu ag合金薄膜,揭示了量、直濺射功、勵磁電源功、工作壓和襯底溫度等工藝參數對沉積的影響規律。結果表明濺射功對沉積的影響最大,隨濺射功的增大沉積增大。
  5. The pressure at every point along the pipeline, the gas - liquid phase flow rate and the law of the liquid holdup in the pipeline chang ing with time in the process of gas storage and supply at the time of peak shaving are simulatively calculated, and based on this, the problem on peak shaving is thoroughly analyzed by combining with the existing pinghu - shanghai gas pipeline in china

    模擬計算了調峰過程中管道儲和供過程沿線各點的壓力、液相和管內持液隨時間的變化規律,據此結合我國已建成現有的平湖一上海的天然管線,對調峰問題作了深入地分析。
  6. And the probability of small - size air core is the biggest while the ratio of runoff is small

    研究表明,在比較大時,中等尺寸的核出現概最大;比接近1時,小尺寸核出現概最大。
  7. Results show that the influence of mainstream reynolds numbers on heat transfer coefficience is little and the heat transfer coefficience raise with the increase of reynolds numbers. the influence of the position of holes on heat transfer coefficience is complex and correlate with the mainstream speed and the balde surface curvature. and the influence of blowing ratio on heat transfer coefficience is more great ( especially to stator ), and show a complex relation to mainstream reynolds number and the position of holes

    實驗結果表明,不同孔位出的換熱由於孔排下游表面來度及葉片表面曲的不同而有不同的規律,而主雷諾數對葉片表面特別是壓力面和前緣區域的換熱系數比的影響較小,吹風比對換熱系數影響較大(特別是導葉) ,並且隨膜孔位置和來雷諾數的變化而情況復雜。
  8. The feasibility that kaufman ion source is applied in reactive ion beam etching is discussed. etching characteristics of materials, including pr, cr, quartz, are investigated. the etch rate and mechanisms of such materials are measured and analyzed as a function of ion energy, ion beam density and ion incidence angle in pure ar and chf3, respectively. the etch rate has shown a square root dependence on variation versus

    深入研究了光刻膠、鉻薄膜、石英等光學材料離子束刻蝕特性,分別以ar和chf3為工作體,研究光刻膠、鉻薄膜、石英等的刻蝕隨離子能量,束密度和離子入射角度的變化關系,得到刻蝕與影響因素的擬合方程,為掩模的製作工藝路線提供了實驗依據和理論指導。
  9. As to the simulation, three - dimensional n - s equations and two - phase flow model, in which the liquid toluene spray as discrete particles was considered, were employed to describe the turbulent combustion processes in the combustion chamber. the mass and energy transfer between the two phases were calculated by the droplet evaporation model, and the arrehnius model was used to obtain the gas chemical reaction rate. the details of 3d flow field, the distributions of temperature and compounds were obtained by solving the equations

    數值模擬方面,應用三維湍n - s方程以及顆粒軌道模型描述了激光器燃燒室內部的噴霧兩相燃燒動過程,兩相之間的質量、能量交換由液滴蒸發模型計算,相化學反應由arrhnius公式計算,通過耦合求解液兩相模型方程,模擬了燃燒室三維場,得到了燃燒室內的溫度和組分濃度分佈。
  10. In this paper, high heat penetration into a moving particulate bed is described mathematically with a comprehensive heat and mass transfer model. the distribution of gas velocity and pressure, the temperature field of gas and solid in the moving particulate bed are examined for different conditions. the results show that thermal penetration into the moving packed - bed particles by fluid flow in porous media is high only in the position near the gas entrance. the thermal penetration thickness tends to increase with the fluid flow velocity and decrease with the particle moving velocity. in the region of thermal penetration, the porosity of solid bed has significant effect on gas field and pressure loss. it is feasible to reduce the gas pressure loss by a larger width / height packed bed in design and operation. the correspondence between thermal infection depth and particle bed height would be helpful to keep high oapacity of reactor and reduce the cost of operation

    針對移動顆粒床中物料層內的高溫體滲傳熱現象,考慮滲與傳熱的相互作用,採用局部非熱平衡假設建立了多孔介質滲傳熱物理數學模型並進行了數值計算.研究了不同情況下床內填充多孔介質中的固溫度和床層壓力損失.計算結果表明,高溫熱對移動床顆粒料層的熱滲透主要發生在滲入口端區域,增大入口滲度以及減小床層物料下移度將導致物料溫度沿床高慢下降,熱滲透深度擴大,熱滲透作用區域內的物料溫度水平提高.在熱滲透作用區域,孔隙場和壓力損失有很大的影響.研究結果對于移動顆粒床反應器的設計與運行具有一定的參考作用
  11. 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

    渦輪增壓器的噪聲是由於葉片周期性地切割空產生的旋轉噪聲和高形成的湍噪聲而形成的,是一種連續性的高頻噪聲,主要分佈在500 ~ 10000hz的頻范圍。
  12. Result of numerical simulation shows that the grads of continuous phase " s velocities decreases with the presence of microbubble of which the diameter is 100 / / w, the profiles of air volume fraction in the boundary layers is similar to triangle or echelon, affected by interaction among the particle, there is a saturated air fraction, within the scope of saturated air fraction, increasing the air injection ratio can accrete the friction reduction ratio, under the condition of same air injection ratio, the free - steam velocity is larger, the effect of friction reduction is worse

    計算結果表明,直徑為100 m的微泡能減小近壁面連續相的度梯度;微泡在邊界層中的濃度分佈近似為三角形或梯形分佈;受粒子間相互作用的影響,存在一飽和濃度;減阻隨噴量的增大而增大,直至飽和噴量,此後,增大噴量,壁面摩擦阻力變化不大;相同噴量下,來度越大,減阻越低。
  13. Great difference in pressure for two flow made pressure wave system and it help to extend the delay time for gas in chamber, which increases combustion effusion. second, to increase combustion effusion, the inlet temperature of air and gas should be enhanced in the range of heat releasing in chemical reaction. third, the first work condition is unburned absolutely and the second work condition is burnt in shear layer of inlet and the end of down wall zone in straight segment

    對于壓力差很大的兩股,所形成的壓縮波系的結構可以增加燃駐留時間,提高燃燒穩定性;為了提高擴散燃燒的效,在保證能放熱的化學反應溫度范圍之內,應適當提高燃及空的來入口溫度;燃噴嘴應居於燃燒室軸線上,是改進超音燃燒室結構的一種思路。
  14. Aerobic exercise is any exercise that raises your heart rate to the extent that it makes you slightly breathless and sweaty eg fast walking, jogging or cycling. aerobic literally means with oxygen

    帶氧運動是指任何能增加您的心跳以令您有少許喘汗的運動,例如急步行、緩步跑或踏單車。
  15. Effects of fluctuating temperature of gas flow on the instantaneous devolatilization rate of pulverized coal particle

    溫度脈動對煤粉顆粒瞬時熱解揮發的影響
  16. ( 4 ) the influence of pulsation frequency on the drying process two special cases, in which the selected pulsation frequencies were 0 h /, and 83 h / respectively, were simulated and their simulation results indicated that the pulsating frequency of gas stream could improve the intensities of the heat and mass transfer during a pulse combustion spray drying process

    ( 4 )揭示了脈動對乾燥過程的影響本文模擬脈動頻為83hz的脈動和非脈動的兩種乾燥過程,比較兩種乾燥過程的顆粒蒸發和濕含量變化。模擬結果表明脈動對噴霧乾燥過程有一定增強作用。
  17. In this thesis, we have mainly studied the characteristics of chf3, c6h6 and cf4 electron cyclotron resonance ( ecr ) plasma using langmuir probe and optical emission spectroscopy ( oes ). the relative concentration of different radicals in chf3 plasma and the effect of chf3 / c6h6 ratio on bond configuration of a - c : f films were discussed. it was showed that h, f, c2 were the main radicals among radicals of h, f, c2, ch and f2 in chf3 ecr plasma

    重點研究了chf _ 3 、 cf _ 4和chf _ 3 c _ 6h _ 6放電等離子體中基團的分佈;分析了不同基團的相對密度隨宏觀放電條件(微波輸入功、放電壓、源量比)的變化規律;探討了等離子體中各種基團的生成途徑;在不同源量比的條件下沉積了a - c : f薄膜並通過傅立葉變化紅外吸收光譜( ftir )的測量得到了薄膜中鍵結構的信息;分析了a - c : f薄膜的沉積及其鍵結構與等離子體空間基團分佈狀態之間的關聯。
  18. Two typical examples analyses are conducted for the average conditions both of winter and summer climates under vapor diffusion and air leakage. a further discussion is set forth to determine the main factors that the moisture accumulation in wall is affected. it is found that the factors are the relative humidity at the wall surface, indoor temperature, permeability, air pressure difference and rate of the infiltrative or exfiltrative airflow

    本文首先研究了墻體內的濕遷移過程,詳細分析了濕積累現象形成的原因,通過對夏、冬兩季平均候下墻內溫度、水蒸壓力、相對濕度及濕積累在僅有擴散、擴散與空滲透同時存在等情況所作的具體計算,發現墻內、外表面的相對濕度、室內溫度、滲透、空壓差以及空的滲度是影響墻內濕積累的主要因素。
  19. The results show that : the lose of pressure is small when air velocity and the longth of honeycomb potter heat storage bed are varied ; but the switch time of air and the bulk of storage bed play important roles as regard its dynamic thermal performance

    結果表明:蜂窩型陶瓷蓄熱體換熱器的壓力損失隨著空以及蓄熱體長度的不同而變化,但總體上說,其壓力損失並不大;四通換向閥的換向周期和蜂窩陶瓷蓄熱體換熱器的體積等是影響其溫度效和熱回收等熱性能的重要因素。
  20. Computer fluid dynamics ( cfd ) is adopted to simulate the flow fields of catalytic converter while researching the working process of emission postprocessor. the velocity field and pressure field of exhaust gas are obtained. methods of structural optimization of catalytic converter for improving gas flow and conversion efficiency are proposed

    本文在汽車排后處理裝置工作過程研究方面,運用計算體動力學軟體,對催化轉化裝置場開展了模擬,得出了度場和壓力場的分佈情況,提出了以改善動和催化轉化效的催化轉化裝置結構優化的方案。
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