空氣射流速度 的英文怎麼說

中文拼音 [kōngqìshèliúsùdù]
空氣射流速度 英文
air jet velocity
  • 空 : 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...
  • 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...
  • 射 : Ⅰ動詞1 （用推力或彈力送出） shoot; fire 2 （液體受到壓力迅速擠出） discharge in a jet 3 （放出） ...
  • 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...
  • 速 : Ⅰ形容詞（迅速; 快） fast; rapid; quick; speedy Ⅱ名詞1 （速度） speed; velocity 2 （姓氏） a surna...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 空氣 : 1 （大氣） air; atmosphere 2 （氣氛） atmosphere 3 （氣閘） air brake4 pneum ; pneumo ; pneumat ;...
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. （快慢的程度） speed; rate; pace; tempo
  1. The additional flow is formed by the device of dentoid baffle, and the application of the device of dentoid baffle cooperated with a stilling basin has been investigated by systematic model tests. based on the research results, the hydraulic problems such as the characteristics of hydrodynamic pressure and cavitation on the head of the denotid baffle, the properties of flow under the condition that the device of denotid baffle is used with a stilling basin, the hydraulic computation about a stilling basin, the estimation of energy dissipation and its various affection factors, the mechanism and effect of energy dissipation, and distributions of velocity and pressure and aerating concentration, etc, have been analyzed ; the method and step of hydraulic design of device of denotid baffle by which the additional flow is produced has also been proposed

    文中利用齒墩設施實現附加射流，對齒墩設施與消力池聯合應用進行了大量的和系統的模型試驗，分析研究了中低佛勞德數條件下，齒墩墩頭的動水壓強及空化特性，齒墩設施與消力池聯合應用時的流態特性，消力池的水力計算，消能量的估算及其各種影響因素，消能機理和效果，消力池內的流速、壓強特性，摻氣濃度分佈等水力學問題，並提出了實現附加射流齒墩設施的水力設計方法和步驟。
  2. 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，採用直流磁控濺射法在cdznte晶體上制備出cu ag合金薄膜，揭示了氣體流量、直流濺射功率、勵磁電源功率、工作氣壓和襯底溫度等工藝參數對沉積速率的影響規律。結果表明濺射功率對沉積速率的影響最大，隨濺射功率的增大沉積速率快速增大。
  3. 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、速度分佈，發現在送風量和送風速度小的半負荷工況下，會出現夏季送風時冷射流過早下降，冬季送風時氣流分層分佈的現象。
  4. At last, three - dimensional mathematical model of gas - particle two phase turbulence was established, and it was adopted to study the gas - particle two phase rectangular jet as well. the distribution of the time - averaged velocity and turbulence intensity was studied, and some of the simulation results were compared with the experimental results ; the coherent structure of flow field was described in the three direction, the evolution and motion of the eddies was discussed too ; the dispersion of fine particles in the three dimensional space was also investigated

    全面地分析了矩形射流氣相時均流場的速度、湍流強度的空間分佈規律，並就部分數值模擬結果與實驗結果進行了對比研究;描述分析了氣相流場湍流擬序結構，對流向、橫向和展向三個方向旋渦的空間結構特點進行分析研究，並分析了流向渦隨時間變化的發展、運動規律。
  5. According to the features of air - conditioner in truck, four main factors have been confirmed in the text which will affect body " s heat comfort : temperature of blowing the face, temperature of blowing the feet, velocity of air flow, average temperature of radiation. the index of pmv - ppd has also been selected as the method of evaluation for the heat comfort

    本文根據載貨汽車空調的特點，確定了影響人體熱舒適性的四個主要因素，即吹臉溫度、吹腳溫度、空氣流速、平均輻射溫度，並選定pmv - ppd指標作為熱舒適性的評價方法。
  6. The relation between thermal environment parameters for instance air temperature, relative humidity, air velocity and thermal sensation or thermal comfort has been studied in all environments. the differences of thermal sensation or thermal comfort in this environments and pmv - ppd are researched too

    並分析了在實際空調環境下、自然通風環境下和實驗空調環境下空氣溫度、濕度、空氣流速、環境輻射溫度等參數對人體熱感覺和人體熱舒適的影響;並將人體熱感覺和人體熱舒適與pmv - ppd指標進行了比較分析。
  7. While the speed is very large, the fuel - air mixing behind the airstream is decreased and the span that the fuel flow in the second combustor is reduced, so the combustion efficiency is decreased, h ) if the fuel streams impinge with the airstreams directly at the air - inlet exit, it make against increasing the combustion efficiency, i ) increasing air - to - fuel ratio within proper range can increase the combustion efficiency

    增加燃氣噴射速度有利於增強迴流區強度，頭部燃燒溫度上升，但速度太大則會減弱燃氣同空氣在進氣道下游的摻混燃燒，減少燃氣在室內停留時間，燃燒效率降低； 8燃氣射流與空氣流在進氣道出口直接撞擊不利於燃燒效率的提高； 9在適當范圍內增大空燃比能顯著提高燃燒效率。
  8. Planar laser induced fluorescence ( plif ) was used to study the spray / wall impinging in constant volume vessel. the experimental result show that when fuel spray impinging on the plane wall, wall jet was formed while fuel impinging on a plane wall with a bump, when the wall jet meet the bump, a secondary jet can be formed. some parameters affecting the secondary spray were studied, including bump height, the secondary impinging distance, impinging distance and injector parameters

    對傳統燃燒室和bump燃燒室內燃油空氣混合過程進行了對比研究，發現燃油撞壁以後在傳統燃燒室壁面形成壁面射流，這一層燃油濃度很高，很難與空氣混合，而在bump燃燒室內，壁面射流遇到bump后，會在空間形成二次射流，二次射流進一步能快速與空氣充分混合。
  9. It is shown that when the exit area of secondary nozzle and the fuel / oxidizer ratio is fixed, the increase of mass flow rate of secondary flow lead to the decrease of velocity of mixed flow, and increase of total mass flow rate. the synthetical result of these two phenomenon cause the increase of thrust of rocket ejector, but the increasing magnitude is relatively small, indicating that these is no necessary to claim large bypass ratio in rocket ejector design. in the comparison between two configurations, the typical one has better performance, indicating the importance of pressure ratio

    結果表明：在固定二次噴管出口面積和氧燃比的條件下，二次流（引射空氣流）流量的增加引起混合氣體出口速度的下降和總流量的增加，二者綜合作用使發動機推力增加，但增幅不大，表明在設計發動機結構和工作參數時，不必過分追求大的引射系數；兩種結構的性能對比分析表明了增壓比對引射火箭性能的提高具有重要意義；對引射火箭的熱力循環分析同樣表明，增壓比對于提高發動機性能非常關鍵。
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