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- Jameson A. Transonic flow calculation [C]. MAE Report 1651,Prinston University. 傅德薰.;計算空氣動力學
- The drag of aftbody keeps constant in low subsonic flow, but increases in transonic flow due to the shock wave. 在低亞音速範圍,后 體阻力基本不變化,隨著馬赫數增加至跨音速,出現激波阻力。
- Using direct coupling some results of viscous/inviscid interaction are given in both incompressible and transonic flow. 給出了不可壓流動和跨音速流動中粘流/無粘流相互作用的某些正耦合的計算結果。
- A new and versatile algorithm for computing two-dimensional transonic flow using orthogonal stream-lines grids (SLG) has been developed. 本文給出了一種比較新型而通用的計算二維跨音速流動的數值演算法 --正交流線網格法(SLG)。
- In transonic flow, a simple empirical formulation is given to predict the wave drag of upswept aftbody, which extends the usable range of Mach number. 在跨音速範圍,給出了一種簡 單的上翹后體波阻的估算方法,拓寬了馬赫數的適用範圍。
- Using the improved method we studied inviscid and viscous transonic flow in turbomachinery based on Euler and Navier Stokes equations. 計算結果表明,本方法是透平機械內部跨音速流動計算的強有力的手段。
- An effective multigrid method has been developed to accelerate the Euler solution of transonic flow for a helicopter rotor in hover. 發展了一種加快懸停旋翼無粘流場計算收斂速度的多重網格方法。
- Witcomb notes that "you could write lots of equations for subsonic flow and lots for supersonic flow, but for transonic flow things got so complicated that nobody could write any equations for it. 惠特科姆指出,「人們能夠寫出許多關於亞聲速流動的方程,寫出許多關於超聲速流動的方程,但是,對於跨聲速流動,由於情況極其複雜,當時還沒有人能夠寫出有關跨聲速流動的任何形式的方程。
- As examples, an quasi-one-dimensional nozzle flow with shock and the subsonic and transonic flow about NACA-0012 and NACA64A-10 airfoils are calculated. The results are compared with the experimental data and the other computed results. 文中分別對一維管流,二維繞NACA-0012和NACA64A-10翼型在亞聲速和超聲速來流的跨聲速流場進行了計算,並將所得結果與有關實驗和計算結果進行了比較,均符合良好。
- The theory of S1 and S2 stream surface was applied to calculate and analyze the internal transonic flow field for a two-stage axial turbine used in turbopump for liquid rocket engine. 摘要應用S1,S2流面理論對某大型液氫/液氧火箭發動機渦輪泵的兩級軸流式渦輪內部跨聲速流場進行計算和分析。
- In this paper, the adaptive parallel Multigrid algorithm is applied in solving transonic flow equation with large disturbance in the axial direction and small disturbance in the transverse direction. 本文運用自適應并行多重網格法求解了軸向大擾動、徑向小擾動的跨音速方程。
- As validated in the present work in a number of transonic flows this method showed very promising performance. 本文對全速解法在二維層流的計算效果進行了考核,而後又將此演算法在湍流跨音速流動中應用。
- The applications as carried out by DLR range from low speed flows to transonic flows, from high lift configurations to propellers and rotor. 德國宇航研究院)對這些技術的應用包括從低速流到跨聲速流、從增升裝置到螺旋槳和旋翼、從彈射裝置和水塔儲水罐尾跡流旋渦到三角翼上渦破裂現象等的研究。
- The present thesis summarizes the author's work on the shock wave/boundary layer inferaction phenomena and the associated passive controls in transonic flows. 本文作者對跨音速流動中的激波/邊界層相互干擾及其控制進行了研 究。
- Traditional gust responses are mainly analyzed based on linear aerodynamic load calculations in frequency-domain,which is unsuitable for and the viscous and transonic flows. 傳統的陣風響應主要在頻域內進行分析,氣動載荷基於線性方法計算,不能考慮黏性和跨聲速流動影響。
- numerical computation of transonic flow 跨聲速流數值計算
- The beats of the drum were steady and slow. 鼓聲平穩而緩慢。
- The slow steady roll of the ship made him sick. 輪船不停地緩慢搖晃使他感到不適。
- The unsteady transonic flows around a pitching slender delta wing are simulated numerically with solving unsteady compressible Navier-Stokes equations by implicit finite difference TVD scheme. 用有限差分法求解N-S方程,數值模擬了細長三角翼作勻速上仰運動時的跨聲速繞流流場。
- He did not to be tied to a steady job. 他不願死守著一件乏味的工作。