compressible flow 中文意思是什麼

compressible flow 解釋
可壓流
  • compressible : adj. 可壓緊的,可壓縮的。
  • flow : vi 1 流,流動。2 (血液等)流通,循環。3 流過;川流不息;(時間)飛逝;(言語等)流暢。4 (衣服、...
  1. Numerical simulations of compressible flow in cascade

    葉柵可壓縮流場的數值分析
  2. Simulations of compressible perfect gas flow by lattice boltzmann models

    模型模擬可壓縮完全氣體流動
  3. When is a flow compressible [ for both steady and unsteady flow ]

    什麼時候流動是可壓縮的[對穩態和非穩態流而言] ?
  4. First, it is compressible and cushiony ; second, it can be transported to a long distance with a little power loss ; the last, its flux and velocity of flow are quite high, so the reaction time of the operators can been considerably shortened. aiming to solve the problems of vibrating machinery such as short life - span, poor cushion and high energy consumption, the writer, on the basis of characteristic of pneumatic mentioned, contrives a set of valve controlled pneumatic vibrator, which has larger output vibrating force and longer life - span with simple structure. then, it is applied to drive a vibrating screen and the result is fairly well

    文中針對氣動技術本身的特性及優點,如:可壓縮,具有緩沖性;能耗損失小,便於遠距離輸送;流量大、流速高,執行元件響應速度快等,以解決振動機械在應用過程中的緩沖、能耗以及使用壽命等問題為目的,設計出一套輸出激振力大、結構簡單、使用可靠的閥控氣動激振器,並將其成功地運用到振動篩上,取得了較好的效果。
  5. Then, the navier - stokes equations for 2 - d axisymmetric compressible turbulent flow were constructed and phoenics was used to simulate the 2 - d axisymmetric compressible turbulent flowfield of rocket jet

    其次,建立了二維軸對稱可壓縮湍流流動的平均navier - stokes方程,並利用phoenics軟體對二維軸對稱火箭噴流進行了數值模擬。
  6. The blade inner channel cooling is a complex convection - conduction coupling problem. this thesis build a three - dimension. compressible turbulence model, and give a general solve method. with the geometrical model of the glossily rectangle straight channel, the rectangle straight channel with in - line arrays disturb plates, the rectangle straight channel with staggered arrays disturb plates, the rectangle straight channel with slant disturb plates, this thesis compute the flow and heat transfer condition when the cold air path though these channels, and gain the temperature field, pressure field, velocity filed, in addition. this thesis also analyze the influence of the different channel height, the different channel materials, the different channels, and gain the function relation between he nusselt number, friction factor and reynolds number. this thesis is emphasis on the new heat transfer enhancement structure, that is, disturb plates, with the comparison with the glossily channel and channel with pin fins, the heat transfer enhancement effect of the former is better, and the conclusion can be used in the design of aircraft blade

    葉片內部通道冷卻是一個復雜的對流?導熱耦合傳熱問題,本文在分析葉片內部通道冷卻的流動與傳熱情況的基礎上,建立了三維、可壓縮紊流的物理模型,得到了通用的求解辦法;利用不帶擾流片的矩形直通道、帶順排擾流片矩形直通道、帶叉排擾流片、帶傾斜擾流片的矩形直通道的幾何模型,計算了冷卻空氣通過這幾種通道時的流動與換熱情況,得到了各種不同情況下計算區域的溫度場、壓力場、速度場;在此基礎上分析了不同的通道高度、不同的葉片通道材質對葉片內部通道冷卻的影響,並整理得到了各種通道形式下,努謝爾數和阻力因子與雷諾數的函數關系;本文重點研究了新型的葉片內部通道冷卻強化傳熱措施?帶擾流片的內部冷卻通道的強化傳熱效果,通過與光滑矩形直通道、帶針肋通道的冷卻效果的比較,表明了這種新型鮚構的優勢,對于葉片內部通道冷卻結構的設計可以起到指導的作用。
  7. In this thesis, adopting compressible navier - stokes equations and compressible k - - e turbulence double model, studied 2d viscous flow field in wet turbine ' s separate - stage. coordinate transformation is made for the navier - stokes equations by using body fitted coordinate system, moreover, the flow field in 2d cascade is calculated by using the well - established simple method

    本文採用可壓縮氣體的n - s方程,並採用可壓縮的-湍流雙方程模型,研究了飽和汽輪機分離級內二維粘性葉柵流場,採用貼體坐標系對n - s方程進行了坐標變化,並利用成熟的simple演算法對二維葉柵內的流場進行了計算。
  8. Pneumatic fluid power - components using compressible fluids - determination of flow - rate characteristics

    氣動液壓動力.用可壓縮流體的元件.流動速率特性的測定
  9. The propose of this project is to develop a three - dimensional, compressible navier - stokes solver for detailed study the flow inside transonic turbine and compressor ' s stator in the airplane turbomachinery

    摘要本研究的目的在發展一系列飛機滑輪引擎之靜子葉片的計算流體力學方法與程式,計算程式方面包括三維葉片格點的建立與黏性流程式開發及撰寫等,程式發展完成後將進行一系列外形及氣流條件計算模擬。
  10. In this study, the transonic shock - wave / boundary - layer interaction and viscous shear stress for the turbine and compressor stator were simulated used the implicit two - factor flux - splitting schemes for solving the thin - layer compressible flow

    除驗證各式正確性外並模擬葉片外形對氣流分離、震波/邊界層相互干擾及壓縮比等關系,以及流體黏滯性等影響下,引擎能量損失與效益分析。
  11. In this paper, two - dimensional and three - dimensional flow models in supersonic inlet and a simple reacting flow model in combustor and integrated flow field are established on the basis of k ? two - equation turbulence model and steady - compressible n - s equations, which are dispersed by finite volume method

    本文以定常可壓縮n - s方程作為控制方程,採用-雙方程模型作為湍流模型,分別建立了超聲速進氣道的二維、三維流場計算模型和補燃室及一體化流場的湍流燃燒模型,並採用有限體積法對控制方程進行離散。
  12. Compressible flow theory

    可壓縮流理論
  13. Numerical method of initial compression waves produced by a high - speed train entering a tunnel - hood based on one dimensional unsteady compressible flow model

    高速鐵路隧道初始壓縮波一維流動模型的數值分析方法
  14. An analysis on the rate of convergence of an alternating direction characteristic finite element method for 3 - d compressible flow of contamination from nuclear waste

    三維可壓核廢料污染問題的交替方向特徵有限元格式的斂速分析
  15. The flash code is a modular, adaptive, parallel simulation code capable of handling general compressible flow problems in astrophysical environments

    Flash編碼是一個模塊的,可調整的,平行模擬代碼,它能夠在天體物理學環境中處理普通可壓縮流程問題。
  16. Two - dimensional compressible linear stability theory was discussed, and principle works were focused in predicting the transition of two - dimensional compressible flow, which based on numerical calculation of stability

    本文主要工作是在對二維可壓縮流動的穩定性數值計算的分析基礎上進行轉捩點位置的判定。
  17. ( 2 ) the flaws on the one - dimension ( 1 - d ) compressible isothermal average - friction - factor were indicated. a friction factor computation method was proposed, which is not only suitable for compressible flow but also easy to achieve the average wall shear stress

    ( 2 )指出關于微管道內已有的一維可壓縮等溫流動的平均阻力系數確定方法的不足之處,並提出了一種便於實用的可壓縮流動平均阻力系數的確定方法。
  18. Interface capturing method for multi - fluid flow, which smear out the tangential discontinuity, is developed to simulate the compressible flow. the multi - fluid problems can be transformed to a single - fluid to resolve, using the fluid dynamic conservative equations coupled with the interfaces capturing equations, and any of stability and non - oscillation scheme for the whole computational region. the two schemes mentioned above are better

    給出的方法具有以下特點:引入界面捕捉方程將切向間斷抹平,形式上將多流體計算轉化為單一流體計算,數值計算通過解流體動力學和界面捕捉耦合方程組來實現,可以應用的差分格式是任何一種穩定和不產生非物理振蕩現象的差分格式,前面提到的兩種格式只是其中效果比較好的格式。
  19. In this thesis work, a 1 - d hydraulic transient model and a 2 - d compressible flow model with the large eddy simulation approach have been applied to analyse the hydrodynamic process of the unsteady separated flow. prototype observation data of gezhouba shiplock no. 3 has been used to verify the computational results. it has been found that two different types of flow regime - stably - varying and strongly - oscillating regimes - could occur in the radial gate tunnel

    本文採取將一維非恆定流模型與二維可壓縮流一大渦模擬模型相結合的方法,分析了急變分離流的水動力學特性,並利用葛洲壩三號船閘的原型觀測資料驗證了數值模型的可靠性,發現閥門段存在平穩變化型和劇烈振蕩型兩種不同的流態,並詳細計算、分析了它們的流動特徵
  20. Because the equation of shallow water and the equation of inviscid compressible flow have completely similar mathematical forms, a lot of mathematical concepts and methods - including the numerical simulation method of aerodynamics can be used in the research of the shallow wave

    由於數學上淺水長波方程與可壓縮氣體的無粘性流方程類似,可以把淺水長波方程比擬成可壓縮氣體無粘性流方程,將空氣動力學中所得到的許多數學概念和方法(包括數值方法)直接應用於淺水長波的運動。
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