inlet velocity 中文意思是什麼
inlet velocity
解釋
進口速度-
The effect of the height between nozzles and ground plate, the distance between the nozzles, the inlet velocity of the nozzles, and the velocity of the cross flow on the flowfield structure were studied one by one
分別就噴嘴距地面高度、噴嘴間距、噴嘴出口速度、橫向流等，對噴射垂直撞擊平板流場的影響，逐一討論。 -
Effect of inlet - air velocity distribution on performance of evaporative condenser
來流流場對蒸發式冷凝器性能影響的研究 -
Reynolds numbers ( based on average velocity at passage inlet and hydraulic diameter of the passage ) are changing from 20000 to 80000 and the extraction ratios ( suction ratios, sr ) are changing from 0. 30 to 0. 60 for each test model. so the influences of reynolds numbers, suction ratios and etc. on the discharge coefficients and pressure loss characterist ics are also presented. flow fields of typical passages are visualized with the flow visualization techniques and measured with hot - wire anemometer
對每一種通道結構，實驗在不同通道進口雷諾數（ re = 20000 、 40000 、 60000 、 80000 ）和不同通道總出流比（ sr = 0 . 30 、 0 . 45 、 0 . 60 ）下進行，以研究這兩個流動參數及其它相應變化的參數（氣膜孔的雷諾數re _ h 、氣膜孔與通道的動量比i等）對出流特性和流阻特性的影響規律。 -
The research results show that compared with the uniform inlet velocity profile, the exponential inlet velocity profile has more advantages to get lower contaminant concentration, to prevent patient and operating apparatus in the operating area from infection by airborne disease germs and to reduce the airflow rate needed for pollutant concentration control
研究表明，與通常採用的均勻風速的送風口相比，變化風速的送風口對于降低手術室工作細菌濃度，防止病人手術切口及手術器械等回風氣流攜帶的浮遊細菌再次感染，以及減少手術室的送風量等方面具有明顯的優點。 -
The results show that high inlet velocity and porosity is favorable for fuel cell performance. based on above - mentioned 3 - d mathematical model, a comparison study of pemfc with conventional and interdigitated flow fields has been conducted at last
最後，基於前面建立的數學模型，比較和計算了傳統流道設計和交叉梳狀流道設計pem燃料電池的流場、電流密度和物料等的多維分佈。 -
With the tracing particles, the sinking velocity of middle and higher density particles that pass through the lower density coal particles in jig bed for different jigging air circle were measured. the results showed that the air cycle with a long inlet period can promote the separation of middle and higher density particles and lower density coal particles
運用彩色人工顆粒，對不同跳汰周期下中、高密度顆粒在低密度煤炭床層中的沉降速度進行了示蹤研究，確認長進氣期周期有利於中、高密度顆粒與低密度煤炭顆粒的分離。 -
Based on the review, the fluid flow and heat transfer in the curved circular and rectangular pipes have been researched by employing perturbation method and numerical simulation with a physical model under the rotational orthogonal curvilinear coordinate in a rotating curvilinear pipe with multi - parameters. we firstly analyzed the fully developed fluid flow and heat transfer, mixed convection heat transfer, the development of flow and heat transfer in the inlet in different cross section ( circular, elliptical, annular and rectangular crossection ). the variations of the secondary flow, axial velocity, distribution of temperature, the friction force on the wall, the ratio of friction factor as well as the nusselt number with different dimensionless parameters had been examined in detailed
本文在總結和分析了一個世紀以來有關曲線管道流動和換熱特性的研究成果的基礎上，以旋轉正交曲線坐標系統下的多參數旋轉螺旋管道中的對流傳熱為物理模型，通過攝動方法和有限體積法，首次對各種截面（圓截面、橢圓截面、環形截面、矩形截面）旋轉曲線管道內充分發展流動的流動結構和傳熱特性（包括耦合對流傳熱特性）以及旋轉曲線管道開口段發展流動的流動結構和換熱特性進行了系統的數值模擬和理論分析，詳細討論了各種無量綱參數對管道內軸向速度分佈、二次流結構、溫度分佈、壁面摩擦力、摩擦系數比以及管道nusselt數的影響，獲得了若干創新性成果。 -
In the last part, an experiential formula for nondimensional thermal stratification height is obtained, which includes inlet temperature t, inlet velocity v, heat transfer of the wall body q and the distance of heat source l. in order to obtain a more realistic result, the ? model is used to simulate the airflow and the buoyancy item is treated by boussinesq hypothesis. the paper investigates the flow field of the displacement ventilation in an office by a numerical method
兩方程湍流模型為基礎的壁面函數處理方法，對熱浮升力項採用了boussinesq假設，得到了收斂的溫度場、速度場分佈。在此基礎上，給出了熱力分層高度的計算方法，並分析了送風溫度、送風速度、圍護結構傳熱和熱源分佈等因素對熱力分層高度的影響。 -
3 ). the flow velocity and temperature change rapidly in hot plenum under the transient condition such as in the case of reactor scram condition. thermal stratification phenomena will be observed nearby the inlet of intermediate heat exchanger
在事故停堆后的瞬態分析中，熱鈉池的流場和溫場變化劇烈，並在中間熱交換器的入口附近形成穩定的熱分層。 -
Definition of inlet velocity of tube well for water supply and its calculation
供水管井進水流速的定義及其計算上 -
It was found that there are lower pressure drop and better distribution in the radically variable cell diameter converter and the inlet loss of catalytic converter may be neglected when the velocity in cell passage is low
結果發現，三效催化器微元通道孔徑沿徑向的不同組合可以達到既不增加壓降、流速分佈又均勻的效果，而且在所計算的軸對稱三效催化器結構中，在通常的流量范圍內其進口損失可以忽略。 -
The effect of thermal conductivity of membrane on the distribution of temperature in the fuel cell is discussed, and the effect of inlet velocity and porosity of porous diffusion layers on the fuel cell performance are analyzed
討論了質子膜的導熱率對電池內溫度分佈的影響。分析了進料速度和多孔擴散層孔隙率對電池性能的影響，結果表明較快的進料速度和較大的擴散層孔隙率都能有效提高電池的性能。 -
At large attack angle the frequency of the vortex has n ' t a apparent zone of " lock - in ". the fluid - induced vibration at large attack angle belongs to the stable dynamic response problems. but a sudden skip of amplitude will occur at large inlet velocity
在大攻角下分離渦脫落的頻率沒有一個明顯的頻率鎖定區域，流體振動屬于穩定的動力響應問題，但在大來流速度下會出現振幅突跳的現象。 -
The test results indicate that the heat transfer rates of the test coils increase with air inlet velocity and fin numbers
由實驗數據得知濕盤管總熱傳量中，潛熱量的變化佔了大部分。 -
The dynamic response of fuel cell characteristics after step change of cathode inlet velocity, humidity and cell voltage was analyzed
最後，分析了陰極入口速度、濕度和電池電壓階躍變化后電池特性的動態響應特性。 -
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。 -
The simulation was began based on defining the boundary which was coupled with heat and mass transfer. numerical simulation was performed with different inlet velocity, temperature, water vapor concentration and channel width
對于數值模擬的結果，採用后處理工具tecplot等進行處理，得到了一、二次空氣通道內的壓力、速度、溫度以及水蒸汽濃度的分布圖。 -
Livg low inlet velocity gasification process
低入口速度氣化工藝 -
Influence of the gas - phase reaction and the inlet velocity on the catalytic reaction of ch
空間反應和入口速度對甲烷催化反應的影響 -
Influence of inlet velocity differences between two phases on les of particle dispersions in planar jet
入流滑移條件對兩相射流特性影響的大渦模擬研究
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